(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.turf = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
var featureEach = require('@turf/meta').featureEach;
var geomEach = require('@turf/meta').geomEach;
var getCoords = require('@turf/invariant').getCoords;
var helpers = require('@turf/helpers');
var point = helpers.point;
var lineString = helpers.lineString;
var polygon = helpers.polygon;
var featureCollection = helpers.featureCollection;
 
module.exports = {
   lineIntersect: require('@turf/line-intersect'),
   bboxClip: require('@turf/bbox-clip'),
   polygonToLineString: require('@turf/polygon-to-linestring'),
   simplify:require('@turf/simplify'),
   featureEach: featureEach,
   featureCollection:featureCollection,
   polygon:polygon,
   point:point,
   lineString:lineString,
   geomEach:geomEach,
   getCoords:getCoords,
   helpers:helpers,
   bbox:require('@turf/bbox'),
   within:require('@turf/within'),
   center: require('@turf/center'),
   centerOfMass: require('@turf/center-of-mass'),
   centroid: require('@turf/centroid'),
   lineOffset: require('@turf/line-offset'),
   buffer: require('@turf/buffer'),
   difference: require('@turf/difference'),
   mask: require('@turf/mask')
};
},{"@turf/bbox":6,"@turf/bbox-clip":3,"@turf/buffer":7,"@turf/center":9,"@turf/center-of-mass":8,"@turf/centroid":10,"@turf/difference":12,"@turf/helpers":14,"@turf/invariant":16,"@turf/line-intersect":17,"@turf/line-offset":21,"@turf/mask":27,"@turf/meta":28,"@turf/polygon-to-linestring":29,"@turf/simplify":32,"@turf/within":34}],2:[function(require,module,exports){
module.exports = normalize;

var types = {
    Point: 'geometry',
    MultiPoint: 'geometry',
    LineString: 'geometry',
    MultiLineString: 'geometry',
    Polygon: 'geometry',
    MultiPolygon: 'geometry',
    GeometryCollection: 'geometry',
    Feature: 'feature',
    FeatureCollection: 'featurecollection'
};

/**
 * Normalize a GeoJSON feature into a FeatureCollection.
 *
 * @param {object} gj geojson data
 * @returns {object} normalized geojson data
 */
function normalize(gj) {
    if (!gj || !gj.type) return null;
    var type = types[gj.type];
    if (!type) return null;

    if (type === 'geometry') {
        return {
            type: 'FeatureCollection',
            features: [{
                type: 'Feature',
                properties: {},
                geometry: gj
            }]
        };
    } else if (type === 'feature') {
        return {
            type: 'FeatureCollection',
            features: [gj]
        };
    } else if (type === 'featurecollection') {
        return gj;
    }
}

},{}],3:[function(require,module,exports){
var helpers = require('@turf/helpers');
var lineclip = require('lineclip');
var getCoords = require('@turf/invariant').getCoords;
var lineString = helpers.lineString;
var multiLineString = helpers.multiLineString;
var polygon = helpers.polygon;
var multiPolygon = helpers.multiPolygon;

/**
 * Takes a {@link Feature} and a bbox and clips the feature to the bbox using [lineclip](https://github.com/mapbox/lineclip).
 * May result in degenerate edges when clipping Polygons.
 *
 * @name bbox-clip
 * @param {Feature<LineString|MultiLineString|Polygon|MultiPolygon>} feature feature to clip to the bbox
 * @param {Array<number>} bbox extent in [minX, minY, maxX, maxY] order
 * @returns {Feature<LineString|MultiLineString|Polygon|MultiPolygon>} clipped Feature
 * @example
 * var bbox = [0, 0, 10, 10];
 * var poly = {
 *   "type": "Feature",
 *   "properties": {},
 *   "geometry": {
 *     "type": "Polygon",
 *     "coordinates": [[[2, 2], [8, 4], [12, 8], [3, 7], [2, 2]]]
 *   }
 * }
 *
 * var clipped = turf.bboxClip(poly, bbox);
 *
 * //=clipped
 */
module.exports = function (feature, bbox) {
    var geom = getGeom(feature);
    var coords = getCoords(feature);
    var properties = feature.properties;

    switch (geom) {
    case 'LineString':
    case 'MultiLineString':
        var lines = [];
        if (geom === 'LineString') coords = [coords];
        coords.forEach(function (line) {
            lineclip(line, bbox, lines);
        });
        if (lines.length === 1) return lineString(lines[0], properties);
        return multiLineString(lines, properties);
    case 'Polygon':
        return polygon(clipPolygon(coords, bbox), properties);
    case 'MultiPolygon':
        return multiPolygon(coords.map(function (polygon) {
            return clipPolygon(polygon, bbox);
        }), properties);
    default:
        throw new Error('geometry ' + geom + ' not supported');
    }
};

function clipPolygon(rings, bbox) {
    var outRings = [];
    for (var i = 0; i < rings.length; i++) {
        var clipped = lineclip.polygon(rings[i], bbox);
        if (clipped.length > 0) {
            if (clipped[0][0] !== clipped[clipped.length - 1][0] || clipped[0][1] !== clipped[clipped.length - 1][1]) {
                clipped.push(clipped[0]);
            }
            outRings.push(clipped);
        }
    }
    return outRings;
}

function getGeom(feature) {
    return (feature.geometry) ? feature.geometry.type : feature.type;
}

},{"@turf/helpers":4,"@turf/invariant":5,"lineclip":44}],4:[function(require,module,exports){
/**
 * Wraps a GeoJSON {@link Geometry} in a GeoJSON {@link Feature}.
 *
 * @name feature
 * @param {Geometry} geometry input geometry
 * @param {Object} properties properties
 * @returns {FeatureCollection} a FeatureCollection of input features
 * @example
 * var geometry = {
 *      "type": "Point",
 *      "coordinates": [
 *        67.5,
 *        32.84267363195431
 *      ]
 *    }
 *
 * var feature = turf.feature(geometry);
 *
 * //=feature
 */
function feature(geometry, properties) {
    if (!geometry) throw new Error('No geometry passed');

    return {
        type: 'Feature',
        properties: properties || {},
        geometry: geometry
    };
}

/**
 * Takes coordinates and properties (optional) and returns a new {@link Point} feature.
 *
 * @name point
 * @param {Array<number>} coordinates longitude, latitude position (each in decimal degrees)
 * @param {Object=} properties an Object that is used as the {@link Feature}'s
 * properties
 * @returns {Feature<Point>} a Point feature
 * @example
 * var pt1 = turf.point([-75.343, 39.984]);
 *
 * //=pt1
 */
function point(coordinates, properties) {
    if (!coordinates) throw new Error('No coordinates passed');
    if (coordinates.length === undefined) throw new Error('Coordinates must be an array');
    if (coordinates.length < 2) throw new Error('Coordinates must be at least 2 numbers long');
    if (typeof coordinates[0] !== 'number' || typeof coordinates[1] !== 'number') throw new Error('Coordinates must numbers');

    return feature({
        type: 'Point',
        coordinates: coordinates
    }, properties);
}

/**
 * Takes an array of LinearRings and optionally an {@link Object} with properties and returns a {@link Polygon} feature.
 *
 * @name polygon
 * @param {Array<Array<Array<number>>>} coordinates an array of LinearRings
 * @param {Object=} properties a properties object
 * @returns {Feature<Polygon>} a Polygon feature
 * @throws {Error} throw an error if a LinearRing of the polygon has too few positions
 * or if a LinearRing of the Polygon does not have matching Positions at the
 * beginning & end.
 * @example
 * var polygon = turf.polygon([[
 *  [-2.275543, 53.464547],
 *  [-2.275543, 53.489271],
 *  [-2.215118, 53.489271],
 *  [-2.215118, 53.464547],
 *  [-2.275543, 53.464547]
 * ]], { name: 'poly1', population: 400});
 *
 * //=polygon
 */
function polygon(coordinates, properties) {
    if (!coordinates) throw new Error('No coordinates passed');

    for (var i = 0; i < coordinates.length; i++) {
        var ring = coordinates[i];
        if (ring.length < 4) {
            throw new Error('Each LinearRing of a Polygon must have 4 or more Positions.');
        }
        for (var j = 0; j < ring[ring.length - 1].length; j++) {
            if (ring[ring.length - 1][j] !== ring[0][j]) {
                throw new Error('First and last Position are not equivalent.');
            }
        }
    }

    return feature({
        type: 'Polygon',
        coordinates: coordinates
    }, properties);
}

/**
 * Creates a {@link LineString} based on a
 * coordinate array. Properties can be added optionally.
 *
 * @name lineString
 * @param {Array<Array<number>>} coordinates an array of Positions
 * @param {Object=} properties an Object of key-value pairs to add as properties
 * @returns {Feature<LineString>} a LineString feature
 * @throws {Error} if no coordinates are passed
 * @example
 * var linestring1 = turf.lineString([
 *   [-21.964416, 64.148203],
 *   [-21.956176, 64.141316],
 *   [-21.93901, 64.135924],
 *   [-21.927337, 64.136673]
 * ]);
 * var linestring2 = turf.lineString([
 *   [-21.929054, 64.127985],
 *   [-21.912918, 64.134726],
 *   [-21.916007, 64.141016],
 *   [-21.930084, 64.14446]
 * ], {name: 'line 1', distance: 145});
 *
 * //=linestring1
 *
 * //=linestring2
 */
function lineString(coordinates, properties) {
    if (!coordinates) throw new Error('No coordinates passed');

    return feature({
        type: 'LineString',
        coordinates: coordinates
    }, properties);
}

/**
 * Takes one or more {@link Feature|Features} and creates a {@link FeatureCollection}.
 *
 * @name featureCollection
 * @param {Feature[]} features input features
 * @returns {FeatureCollection} a FeatureCollection of input features
 * @example
 * var features = [
 *  turf.point([-75.343, 39.984], {name: 'Location A'}),
 *  turf.point([-75.833, 39.284], {name: 'Location B'}),
 *  turf.point([-75.534, 39.123], {name: 'Location C'})
 * ];
 *
 * var fc = turf.featureCollection(features);
 *
 * //=fc
 */
function featureCollection(features) {
    if (!features) throw new Error('No features passed');

    return {
        type: 'FeatureCollection',
        features: features
    };
}

/**
 * Creates a {@link Feature<MultiLineString>} based on a
 * coordinate array. Properties can be added optionally.
 *
 * @name multiLineString
 * @param {Array<Array<Array<number>>>} coordinates an array of LineStrings
 * @param {Object=} properties an Object of key-value pairs to add as properties
 * @returns {Feature<MultiLineString>} a MultiLineString feature
 * @throws {Error} if no coordinates are passed
 * @example
 * var multiLine = turf.multiLineString([[[0,0],[10,10]]]);
 *
 * //=multiLine
 *
 */
function multiLineString(coordinates, properties) {
    if (!coordinates) throw new Error('No coordinates passed');

    return feature({
        type: 'MultiLineString',
        coordinates: coordinates
    }, properties);
}

/**
 * Creates a {@link Feature<MultiPoint>} based on a
 * coordinate array. Properties can be added optionally.
 *
 * @name multiPoint
 * @param {Array<Array<number>>} coordinates an array of Positions
 * @param {Object=} properties an Object of key-value pairs to add as properties
 * @returns {Feature<MultiPoint>} a MultiPoint feature
 * @throws {Error} if no coordinates are passed
 * @example
 * var multiPt = turf.multiPoint([[0,0],[10,10]]);
 *
 * //=multiPt
 *
 */
function multiPoint(coordinates, properties) {
    if (!coordinates) throw new Error('No coordinates passed');

    return feature({
        type: 'MultiPoint',
        coordinates: coordinates
    }, properties);
}


/**
 * Creates a {@link Feature<MultiPolygon>} based on a
 * coordinate array. Properties can be added optionally.
 *
 * @name multiPolygon
 * @param {Array<Array<Array<Array<number>>>>} coordinates an array of Polygons
 * @param {Object=} properties an Object of key-value pairs to add as properties
 * @returns {Feature<MultiPolygon>} a multipolygon feature
 * @throws {Error} if no coordinates are passed
 * @example
 * var multiPoly = turf.multiPolygon([[[[0,0],[0,10],[10,10],[10,0],[0,0]]]]);
 *
 * //=multiPoly
 *
 */
function multiPolygon(coordinates, properties) {
    if (!coordinates) throw new Error('No coordinates passed');

    return feature({
        type: 'MultiPolygon',
        coordinates: coordinates
    }, properties);
}

/**
 * Creates a {@link Feature<GeometryCollection>} based on a
 * coordinate array. Properties can be added optionally.
 *
 * @name geometryCollection
 * @param {Array<{Geometry}>} geometries an array of GeoJSON Geometries
 * @param {Object=} properties an Object of key-value pairs to add as properties
 * @returns {Feature<GeometryCollection>} a GeoJSON GeometryCollection Feature
 * @example
 * var pt = {
 *     "type": "Point",
 *       "coordinates": [100, 0]
 *     };
 * var line = {
 *     "type": "LineString",
 *     "coordinates": [ [101, 0], [102, 1] ]
 *   };
 * var collection = turf.geometryCollection([pt, line]);
 *
 * //=collection
 */
function geometryCollection(geometries, properties) {
    if (!geometries) throw new Error('No geometries passed');

    return feature({
        type: 'GeometryCollection',
        geometries: geometries
    }, properties);
}

var factors = {
    miles: 3960,
    nauticalmiles: 3441.145,
    degrees: 57.2957795,
    radians: 1,
    inches: 250905600,
    yards: 6969600,
    meters: 6373000,
    metres: 6373000,
    kilometers: 6373,
    kilometres: 6373,
    feet: 20908792.65
};

/**
 * Convert a distance measurement from radians to a more friendly unit.
 *
 * @name radiansToDistance
 * @param {number} radians in radians across the sphere
 * @param {string} [units=kilometers] can be degrees, radians, miles, or kilometers inches, yards, metres, meters, kilometres, kilometers.
 * @returns {number} distance
 */
function radiansToDistance(radians, units) {
    var factor = factors[units || 'kilometers'];
    if (factor === undefined) throw new Error('Invalid unit');

    return radians * factor;
}

/**
 * Convert a distance measurement from a real-world unit into radians
 *
 * @name distanceToRadians
 * @param {number} distance in real units
 * @param {string} [units=kilometers] can be degrees, radians, miles, or kilometers inches, yards, metres, meters, kilometres, kilometers.
 * @returns {number} radians
 */
function distanceToRadians(distance, units) {
    var factor = factors[units || 'kilometers'];
    if (factor === undefined) throw new Error('Invalid unit');

    return distance / factor;
}

/**
 * Convert a distance measurement from a real-world unit into degrees
 *
 * @name distanceToDegrees
 * @param {number} distance in real units
 * @param {string} [units=kilometers] can be degrees, radians, miles, or kilometers inches, yards, metres, meters, kilometres, kilometers.
 * @returns {number} degrees
 */
function distanceToDegrees(distance, units) {
    var factor = factors[units || 'kilometers'];
    if (factor === undefined) throw new Error('Invalid unit');

    return (distance / factor) * 57.2958;
}

module.exports = {
    feature: feature,
    featureCollection: featureCollection,
    geometryCollection: geometryCollection,
    point: point,
    multiPoint: multiPoint,
    lineString: lineString,
    multiLineString: multiLineString,
    polygon: polygon,
    multiPolygon: multiPolygon,
    radiansToDistance: radiansToDistance,
    distanceToRadians: distanceToRadians,
    distanceToDegrees: distanceToDegrees
};

},{}],5:[function(require,module,exports){
/**
 * Unwrap a coordinate from a Point Feature, Geometry or a single coordinate.
 *
 * @name getCoord
 * @param {Array<any>|Geometry|Feature<Point>} obj any value
 * @returns {Array<number>} coordinates
 */
function getCoord(obj) {
    if (!obj) throw new Error('No obj passed');

    var coordinates = getCoords(obj);

    // getCoord() must contain at least two numbers (Point)
    if (coordinates.length > 1 &&
        typeof coordinates[0] === 'number' &&
        typeof coordinates[1] === 'number') {
        return coordinates;
    } else {
        throw new Error('Coordinate is not a valid Point');
    }
}

/**
 * Unwrap coordinates from a Feature, Geometry Object or an Array of numbers
 *
 * @name getCoords
 * @param {Array<any>|Geometry|Feature<any>} obj any value
 * @returns {Array<any>} coordinates
 */
function getCoords(obj) {
    if (!obj) throw new Error('No obj passed');
    var coordinates;

    // Array of numbers
    if (obj.length) {
        coordinates = obj;

    // Geometry Object
    } else if (obj.coordinates) {
        coordinates = obj.coordinates;

    // Feature
    } else if (obj.geometry && obj.geometry.coordinates) {
        coordinates = obj.geometry.coordinates;
    }
    // Checks if coordinates contains a number
    if (coordinates) {
        containsNumber(coordinates);
        return coordinates;
    }
    throw new Error('No valid coordinates');
}

/**
 * Checks if coordinates contains a number
 *
 * @name containsNumber
 * @param {Array<any>} coordinates GeoJSON Coordinates
 * @returns {boolean} true if Array contains a number
 */
function containsNumber(coordinates) {
    if (coordinates.length > 1 &&
        typeof coordinates[0] === 'number' &&
        typeof coordinates[1] === 'number') {
        return true;
    }

    if (Array.isArray(coordinates[0]) && coordinates[0].length) {
        return containsNumber(coordinates[0]);
    }
    throw new Error('coordinates must only contain numbers');
}

/**
 * Enforce expectations about types of GeoJSON objects for Turf.
 *
 * @name geojsonType
 * @param {GeoJSON} value any GeoJSON object
 * @param {string} type expected GeoJSON type
 * @param {string} name name of calling function
 * @throws {Error} if value is not the expected type.
 */
function geojsonType(value, type, name) {
    if (!type || !name) throw new Error('type and name required');

    if (!value || value.type !== type) {
        throw new Error('Invalid input to ' + name + ': must be a ' + type + ', given ' + value.type);
    }
}

/**
 * Enforce expectations about types of {@link Feature} inputs for Turf.
 * Internally this uses {@link geojsonType} to judge geometry types.
 *
 * @name featureOf
 * @param {Feature} feature a feature with an expected geometry type
 * @param {string} type expected GeoJSON type
 * @param {string} name name of calling function
 * @throws {Error} error if value is not the expected type.
 */
function featureOf(feature, type, name) {
    if (!feature) throw new Error('No feature passed');
    if (!name) throw new Error('.featureOf() requires a name');
    if (!feature || feature.type !== 'Feature' || !feature.geometry) {
        throw new Error('Invalid input to ' + name + ', Feature with geometry required');
    }
    if (!feature.geometry || feature.geometry.type !== type) {
        throw new Error('Invalid input to ' + name + ': must be a ' + type + ', given ' + feature.geometry.type);
    }
}

/**
 * Enforce expectations about types of {@link FeatureCollection} inputs for Turf.
 * Internally this uses {@link geojsonType} to judge geometry types.
 *
 * @name collectionOf
 * @param {FeatureCollection} featureCollection a FeatureCollection for which features will be judged
 * @param {string} type expected GeoJSON type
 * @param {string} name name of calling function
 * @throws {Error} if value is not the expected type.
 */
function collectionOf(featureCollection, type, name) {
    if (!featureCollection) throw new Error('No featureCollection passed');
    if (!name) throw new Error('.collectionOf() requires a name');
    if (!featureCollection || featureCollection.type !== 'FeatureCollection') {
        throw new Error('Invalid input to ' + name + ', FeatureCollection required');
    }
    for (var i = 0; i < featureCollection.features.length; i++) {
        var feature = featureCollection.features[i];
        if (!feature || feature.type !== 'Feature' || !feature.geometry) {
            throw new Error('Invalid input to ' + name + ', Feature with geometry required');
        }
        if (!feature.geometry || feature.geometry.type !== type) {
            throw new Error('Invalid input to ' + name + ': must be a ' + type + ', given ' + feature.geometry.type);
        }
    }
}

module.exports = {
    geojsonType: geojsonType,
    collectionOf: collectionOf,
    featureOf: featureOf,
    getCoord: getCoord,
    getCoords: getCoords,
    containsNumber: containsNumber
};

},{}],6:[function(require,module,exports){
var each = require('@turf/meta').coordEach;

/**
 * Takes a set of features, calculates the bbox of all input features, and returns a bounding box.
 *
 * @name bbox
 * @param {(Feature|FeatureCollection)} geojson input features
 * @return {Array<number>} bbox extent in [minX, minY, maxX, maxY] order
 * @example
 * var pt1 = turf.point([114.175329, 22.2524])
 * var pt2 = turf.point([114.170007, 22.267969])
 * var pt3 = turf.point([114.200649, 22.274641])
 * var pt4 = turf.point([114.200649, 22.274641])
 * var pt5 = turf.point([114.186744, 22.265745])
 * var features = turf.featureCollection([pt1, pt2, pt3, pt4, pt5])
 *
 * var bbox = turf.bbox(features);
 *
 * var bboxPolygon = turf.bboxPolygon(bbox);
 *
 * //=bbox
 *
 * //=bboxPolygon
 */
module.exports = function (geojson) {
    var bbox = [Infinity, Infinity, -Infinity, -Infinity];
    each(geojson, function (coord) {
        if (bbox[0] > coord[0]) bbox[0] = coord[0];
        if (bbox[1] > coord[1]) bbox[1] = coord[1];
        if (bbox[2] < coord[0]) bbox[2] = coord[0];
        if (bbox[3] < coord[1]) bbox[3] = coord[1];
    });
    return bbox;
};

},{"@turf/meta":28}],7:[function(require,module,exports){
// http://stackoverflow.com/questions/839899/how-do-i-calculate-a-point-on-a-circles-circumference
// radians = degrees * (pi/180)
// https://github.com/bjornharrtell/jsts/blob/master/examples/buffer.html

var helpers = require('@turf/helpers');
var featureCollection = helpers.featureCollection;
var jsts = require('jsts');
var normalize = require('@mapbox/geojson-normalize');

/**
 * Calculates a buffer for input features for a given radius. Units supported are miles, kilometers, and degrees.
 *
 * @name buffer
 * @param {(Feature|FeatureCollection)} feature input to be buffered
 * @param {number} radius distance to draw the buffer
 * @param {string} units any of the options supported by turf units
 * @return {FeatureCollection<Polygon>|FeatureCollection<MultiPolygon>|Polygon|MultiPolygon} buffered features
 *
 * @example
 * var pt = {
 *   "type": "Feature",
 *   "properties": {},
 *   "geometry": {
 *     "type": "Point",
 *     "coordinates": [-90.548630, 14.616599]
 *   }
 * };
 * var unit = 'miles';
 *
 * var buffered = turf.buffer(pt, 500, unit);
 * var result = turf.featureCollection([buffered, pt]);
 *
 * //=result
 */

module.exports = function (feature, radius, units) {

    var degrees = helpers.lengthToDegrees(radius, units);
    var fc = normalize(feature);
    var buffered = normalize(featureCollection(fc.features.map(function (f) {
        return bufferOp(f, degrees);
    })));

    if (buffered.features.length > 1) return buffered;
    else if (buffered.features.length === 1) return buffered.features[0];
};

function bufferOp(feature, radius) {
    var reader = new jsts.io.GeoJSONReader();
    var geom = reader.read(feature.geometry);
    var buffered = geom.buffer(radius);
    var writer = new jsts.io.GeoJSONWriter();
    buffered = writer.write(buffered);

    return {
        type: 'Feature',
        geometry: buffered,
        properties: {}
    };
}

},{"@mapbox/geojson-normalize":2,"@turf/helpers":14,"jsts":43}],8:[function(require,module,exports){
var each = require('@turf/meta').coordEach,
    centroid = require('@turf/centroid'),
    convex = require('@turf/convex'),
    explode = require('@turf/explode'),
    point = require('@turf/helpers').point;

/**
 * Takes a [feature](http://geojson.org/geojson-spec.html#feature-objects)
 * or a [featureCollection](http://geojson.org/geojson-spec.html#feature-collection-objects)
 * and returns its [center of mass](https://en.wikipedia.org/wiki/Center_of_mass)
 * using this formula: [Centroid of Polygon](https://en.wikipedia.org/wiki/Centroid#Centroid_of_polygon).
 *
 * @param {FeatureCollection|Feature} fc - the feature collection or feature
 * @returns {Feature<Point>} the center of mass
 * @example
 * var feature = {
 *   "type": "Feature",
 *   "properties": {},
 *   "geometry": {
 *     "type": "Polygon",
 *     "coordinates": [
 *       [
 *         [
 *           4.854240417480469,
 *           45.77258200374433
 *         ],
 *         [
 *           4.8445844650268555,
 *           45.777431068484894
 *         ],
 *         [
 *           4.845442771911621,
 *           45.778658234059755
 *         ],
 *         [
 *           4.845914840698242,
 *           45.779376562352425
 *         ],
 *         [
 *           4.846644401550292,
 *           45.78021460033108
 *         ],
 *         [
 *           4.847245216369629,
 *           45.78078326178593
 *         ],
 *         [
 *           4.848060607910156,
 *           45.78138184652523
 *         ],
 *         [
 *           4.8487043380737305,
 *           45.78186070968964
 *         ],
 *         [
 *           4.849562644958495,
 *           45.78248921135124
 *         ],
 *         [
 *           4.850893020629883,
 *           45.78302792142197
 *         ],
 *         [
 *           4.852008819580077,
 *           45.78374619341895
 *         ],
 *         [
 *           4.852995872497559,
 *           45.784075398324866
 *         ],
 *         [
 *           4.853854179382324,
 *           45.78443452873236
 *         ],
 *         [
 *           4.8549699783325195,
 *           45.78470387501975
 *         ],
 *         [
 *           4.85569953918457,
 *           45.784793656826345
 *         ],
 *         [
 *           4.857330322265624,
 *           45.784853511283764
 *         ],
 *         [
 *           4.858231544494629,
 *           45.78494329284938
 *         ],
 *         [
 *           4.859304428100585,
 *           45.784883438488365
 *         ],
 *         [
 *           4.858360290527344,
 *           45.77294120818474
 *         ],
 *         [
 *           4.854240417480469,
 *           45.77258200374433
 *         ]
 *       ]
 *     ]
 *   }
 * };
 *
 * var centerOfMass = turf.centerOfMass(feature);
 *
 * //=centerOfMass
 */
function centerOfMass(fc) {
    if (fc.type === 'Feature' && fc.geometry.type === 'Polygon') {
        var coords = [];
        each(fc, function (coord) {
            coords.push(coord);
        });

        // First, we neutralize the feature (set it around coordinates [0,0]) to prevent rounding errors
        // We take any point to translate all the points around 0
        var centre = centroid(fc);
        var translation = centre.geometry.coordinates;
        var sx = 0;
        var sy = 0;
        var sArea = 0;
        var i, pi, pj, xi, xj, yi, yj, a;

        var neutralizedPoints = coords.map(function (point) {
            return [
                point[0] - translation[0],
                point[1] - translation[1]
            ];
        });

        for (i = 0; i < coords.length - 1; i++) {
            // pi is the current point
            pi = neutralizedPoints[i];
            xi = pi[0];
            yi = pi[1];

            // pj is the next point (pi+1)
            pj = neutralizedPoints[i + 1];
            xj = pj[0];
            yj = pj[1];

            // a is the common factor to compute the signed area and the final coordinates
            a = xi * yj - xj * yi;

            // sArea is the sum used to compute the signed area
            sArea += a;

            // sx and sy are the sums used to compute the final coordinates
            sx += (xi + xj) * a;
            sy += (yi + yj) * a;
        }

        // Shape has no area: fallback on turf.centroid
        if (sArea === 0) {
            return centre;
        } else {
            // Compute the signed area, and factorize 1/6A
            var area = sArea * 0.5;
            var areaFactor = 1 / (6 * area);

            // Compute the final coordinates, adding back the values that have been neutralized
            return point([
                translation[0] + areaFactor * sx,
                translation[1] + areaFactor * sy
            ]);
        }
    } else {
        // Not a polygon: Compute the convex hull and work with that
        var hull = convex(explode(fc));

        if (hull) {
            return module.exports(hull);
        } else {
            // Hull is empty: fallback on the centroid
            return centroid(fc);
        }
    }
}

module.exports = centerOfMass;

},{"@turf/centroid":10,"@turf/convex":11,"@turf/explode":13,"@turf/helpers":14,"@turf/meta":28}],9:[function(require,module,exports){
var bbox = require('@turf/bbox'),
    point = require('@turf/helpers').point;

/**
 * Takes a {@link Feature} or {@link FeatureCollection} and returns the absolute center point of all features.
 *
 * @name center
 * @param {(Feature|FeatureCollection)} layer input features
 * @return {Feature<Point>} a Point feature at the absolute center point of all input features
 * @example
 * var features = {
 *   "type": "FeatureCollection",
 *   "features": [
 *     {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [-97.522259, 35.4691]
 *       }
 *     }, {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [-97.502754, 35.463455]
 *       }
 *     }, {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [-97.508269, 35.463245]
 *       }
 *     }, {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [-97.516809, 35.465779]
 *       }
 *     }, {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [-97.515372, 35.467072]
 *       }
 *     }, {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [-97.509363, 35.463053]
 *       }
 *     }, {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [-97.511123, 35.466601]
 *       }
 *     }, {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [-97.518547, 35.469327]
 *       }
 *     }, {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [-97.519706, 35.469659]
 *       }
 *     }, {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [-97.517839, 35.466998]
 *       }
 *     }, {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [-97.508678, 35.464942]
 *       }
 *     }, {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [-97.514914, 35.463453]
 *       }
 *     }
 *   ]
 * };
 *
 * var centerPt = turf.center(features);
 * centerPt.properties['marker-size'] = 'large';
 * centerPt.properties['marker-color'] = '#000';
 *
 * var resultFeatures = features.features.concat(centerPt);
 * var result = {
 *   "type": "FeatureCollection",
 *   "features": resultFeatures
 * };
 *
 * //=result
 */

module.exports = function (layer) {
    var ext = bbox(layer);
    var x = (ext[0] + ext[2]) / 2;
    var y = (ext[1] + ext[3]) / 2;
    return point([x, y]);
};

},{"@turf/bbox":6,"@turf/helpers":14}],10:[function(require,module,exports){
var each = require('@turf/meta').coordEach;
var point = require('@turf/helpers').point;

/**
 * Takes one or more features and calculates the centroid using
 * the mean of all vertices.
 * This lessens the effect of small islands and artifacts when calculating
 * the centroid of a set of polygons.
 *
 * @name centroid
 * @param {(Feature|FeatureCollection)} features input features
 * @return {Feature<Point>} the centroid of the input features
 * @example
 * var poly = {
 *   "type": "Feature",
 *   "properties": {},
 *   "geometry": {
 *     "type": "Polygon",
 *     "coordinates": [[
 *       [105.818939,21.004714],
 *       [105.818939,21.061754],
 *       [105.890007,21.061754],
 *       [105.890007,21.004714],
 *       [105.818939,21.004714]
 *     ]]
 *   }
 * };
 *
 * var centroidPt = turf.centroid(poly);
 *
 * var result = {
 *   "type": "FeatureCollection",
 *   "features": [poly, centroidPt]
 * };
 *
 * //=result
 */
module.exports = function (features) {
    var xSum = 0, ySum = 0, len = 0;
    each(features, function (coord) {
        xSum += coord[0];
        ySum += coord[1];
        len++;
    }, true);
    return point([xSum / len, ySum / len]);
};

},{"@turf/helpers":14,"@turf/meta":28}],11:[function(require,module,exports){
var each = require('@turf/meta').coordEach,
    convexHull = require('convex-hull'),
    polygon = require('@turf/helpers').polygon;

/**
 * Takes a {@link Feature} or a {@link FeatureCollection} and returns a convex hull {@link Polygon}.
 *
 * Internally this uses
 * the [convex-hull](https://github.com/mikolalysenko/convex-hull) module that
 * implements a [monotone chain hull](http://en.wikibooks.org/wiki/Algorithm_Implementation/Geometry/Convex_hull/Monotone_chain).
 *
 * @name convex
 * @param {Feature|FeatureCollection} feature input Feature or FeatureCollection
 * @returns {Feature<Polygon>} a convex hull
 * @example
 * var points = {
 *   "type": "FeatureCollection",
 *   "features": [
 *     {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [10.195312, 43.755225]
 *       }
 *     }, {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [10.404052, 43.8424511]
 *       }
 *     }, {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [10.579833, 43.659924]
 *       }
 *     }, {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [10.360107, 43.516688]
 *       }
 *     }, {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [10.14038, 43.588348]
 *       }
 *     }, {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [10.195312, 43.755225]
 *       }
 *     }
 *   ]
 * };
 *
 * var hull = turf.convex(points);
 *
 * var resultFeatures = points.features.concat(hull);
 * var result = {
 *   "type": "FeatureCollection",
 *   "features": resultFeatures
 * };
 *
 * //=result
 */
module.exports = function (feature) {
    var points = [];

    // Remove Z in coordinates because it breaks the convexHull algorithm
    each(feature, function (coord) {
        points.push([coord[0], coord[1]]);
    });

    var hull = convexHull(points);

    // Hull should have at least 3 different vertices in order to create a valid polygon
    if (hull.length >= 3) {
        var ring = [];
        for (var i = 0; i < hull.length; i++) {
            ring.push(points[hull[i][0]]);
        }
        ring.push(points[hull[hull.length - 1][1]]);
        return polygon([ring]);
    }
    return undefined;
};

},{"@turf/helpers":14,"@turf/meta":28,"convex-hull":37}],12:[function(require,module,exports){
// depend on jsts for now https://github.com/bjornharrtell/jsts/blob/master/examples/overlay.html
var jsts = require('jsts');

/**
 * Finds the difference between two {@link Polygon|polygons} by clipping the second
 * polygon from the first.
 *
 * @name difference
 * @param {Feature<Polygon>} p1 input Polygon feature
 * @param {Feature<Polygon>} p2 Polygon feature to difference from `p1`
 * @return {Feature<(Polygon|MultiPolygon)>} a Polygon or MultiPolygon feature showing the area of `p1` excluding the area of `p2`
 * @example
 * var poly1 = {
 *   "type": "Feature",
 *   "properties": {
 *     "fill": "#0f0"
 *   },
 *   "geometry": {
 *     "type": "Polygon",
 *     "coordinates": [[
 *       [-46.738586, -23.596711],
 *       [-46.738586, -23.458207],
 *       [-46.560058, -23.458207],
 *       [-46.560058, -23.596711],
 *       [-46.738586, -23.596711]
 *     ]]
 *   }
 * };
 * var poly2 = {
 *   "type": "Feature",
 *   "properties": {
 *     "fill": "#00f"
 *   },
 *   "geometry": {
 *     "type": "Polygon",
 *     "coordinates": [[
 *       [-46.650009, -23.631314],
 *       [-46.650009, -23.5237],
 *       [-46.509246, -23.5237],
 *       [-46.509246, -23.631314],
 *       [-46.650009, -23.631314]
 *     ]]
 *   }
 * };
 *
 * var differenced = turf.difference(poly1, poly2);
 * differenced.properties.fill = '#f00';
 *
 * var polygons = {
 *   "type": "FeatureCollection",
 *   "features": [poly1, poly2]
 * };
 *
 * //=polygons
 *
 * //=differenced
 */

module.exports = function (p1, p2) {
    var poly1 = JSON.parse(JSON.stringify(p1));
    var poly2 = JSON.parse(JSON.stringify(p2));
    if (poly1.type !== 'Feature') {
        poly1 = {
            type: 'Feature',
            properties: {},
            geometry: poly1
        };
    }
    if (poly2.type !== 'Feature') {
        poly2 = {
            type: 'Feature',
            properties: {},
            geometry: poly2
        };
    }

    var reader = new jsts.io.GeoJSONReader();
    var a = reader.read(JSON.stringify(poly1.geometry));
    var b = reader.read(JSON.stringify(poly2.geometry));
    var differenced = a.difference(b);

    if (differenced.isEmpty()) return undefined;

    var writer = new jsts.io.GeoJSONWriter();
    var geojsonGeometry = writer.write(differenced);

    poly1.geometry = differenced;

    return {
        type: 'Feature',
        properties: poly1.properties,
        geometry: geojsonGeometry
    };
};

},{"jsts":43}],13:[function(require,module,exports){
var featureCollection = require('@turf/helpers').featureCollection;
var featureEach = require('@turf/meta').featureEach;
var coordEach = require('@turf/meta').coordEach;
var point = require('@turf/helpers').point;

/**
 * Takes a feature or set of features and returns all positions as
 * {@link Point|points}.
 *
 * @name explode
 * @param {(Feature|FeatureCollection)} geojson input features
 * @return {FeatureCollection<point>} points representing the exploded input features
 * @throws {Error} if it encounters an unknown geometry type
 * @example
 * var poly = {
 *   "type": "Feature",
 *   "properties": {},
 *   "geometry": {
 *     "type": "Polygon",
 *     "coordinates": [[
 *       [177.434692, -17.77517],
 *       [177.402076, -17.779093],
 *       [177.38079, -17.803937],
 *       [177.40242, -17.826164],
 *       [177.438468, -17.824857],
 *       [177.454948, -17.796746],
 *       [177.434692, -17.77517]
 *     ]]
 *   }
 * };
 *
 * var points = turf.explode(poly);
 *
 * //=poly
 *
 * //=points
 */
module.exports = function (geojson) {
    var points = [];
    if (geojson.type === 'FeatureCollection') {
        featureEach(geojson, function (feature) {
            coordEach(feature, function (coord) {
                points.push(point(coord, feature.properties));
            });
        });
    } else {
        coordEach(geojson, function (coord) {
            points.push(point(coord, geojson.properties));
        });
    }
    return featureCollection(points);
};

},{"@turf/helpers":14,"@turf/meta":28}],14:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

/**
 * Earth Radius used with the Harvesine formula and approximates using a spherical (non-ellipsoid) Earth.
 */
var earthRadius = 6371008.8;

/**
 * Unit of measurement factors using a spherical (non-ellipsoid) earth radius.
 */
var factors = {
    meters: earthRadius,
    metres: earthRadius,
    millimeters: earthRadius * 1000,
    millimetres: earthRadius * 1000,
    centimeters: earthRadius * 100,
    centimetres: earthRadius * 100,
    kilometers: earthRadius / 1000,
    kilometres: earthRadius / 1000,
    miles: earthRadius / 1609.344,
    nauticalmiles: earthRadius / 1852,
    inches: earthRadius * 39.370,
    yards: earthRadius / 1.0936,
    feet: earthRadius * 3.28084,
    radians: 1,
    degrees: earthRadius / 111325,
};

/**
 * Units of measurement factors based on 1 meter.
 */
var unitsFactors = {
    meters: 1,
    metres: 1,
    millimeters: 1000,
    millimetres: 1000,
    centimeters: 100,
    centimetres: 100,
    kilometers: 1 / 1000,
    kilometres: 1 / 1000,
    miles: 1 / 1609.344,
    nauticalmiles: 1 / 1852,
    inches: 39.370,
    yards: 1 / 1.0936,
    feet: 3.28084,
    radians: 1 / earthRadius,
    degrees: 1 / 111325,
};

/**
 * Area of measurement factors based on 1 square meter.
 */
var areaFactors = {
    meters: 1,
    metres: 1,
    millimeters: 1000000,
    millimetres: 1000000,
    centimeters: 10000,
    centimetres: 10000,
    kilometers: 0.000001,
    kilometres: 0.000001,
    acres: 0.000247105,
    miles: 3.86e-7,
    yards: 1.195990046,
    feet: 10.763910417,
    inches: 1550.003100006
};

/**
 * Wraps a GeoJSON {@link Geometry} in a GeoJSON {@link Feature}.
 *
 * @name feature
 * @param {Geometry} geometry input geometry
 * @param {Object} [properties={}] an Object of key-value pairs to add as properties
 * @param {Object} [options={}] Optional Parameters
 * @param {Array<number>} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature
 * @param {string|number} [options.id] Identifier associated with the Feature
 * @returns {Feature} a GeoJSON Feature
 * @example
 * var geometry = {
 *   "type": "Point",
 *   "coordinates": [110, 50]
 * };
 *
 * var feature = turf.feature(geometry);
 *
 * //=feature
 */
function feature(geometry, properties, options) {
    // Optional Parameters
    options = options || {};
    if (!isObject(options)) throw new Error('options is invalid');
    var bbox = options.bbox;
    var id = options.id;

    // Validation
    if (geometry === undefined) throw new Error('geometry is required');
    if (properties && properties.constructor !== Object) throw new Error('properties must be an Object');
    if (bbox) validateBBox(bbox);
    if (id) validateId(id);

    // Main
    var feat = {type: 'Feature'};
    if (id) feat.id = id;
    if (bbox) feat.bbox = bbox;
    feat.properties = properties || {};
    feat.geometry = geometry;
    return feat;
}

/**
 * Creates a GeoJSON {@link Geometry} from a Geometry string type & coordinates.
 * For GeometryCollection type use `helpers.geometryCollection`
 *
 * @name geometry
 * @param {string} type Geometry Type
 * @param {Array<number>} coordinates Coordinates
 * @param {Object} [options={}] Optional Parameters
 * @param {Array<number>} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Geometry
 * @returns {Geometry} a GeoJSON Geometry
 * @example
 * var type = 'Point';
 * var coordinates = [110, 50];
 *
 * var geometry = turf.geometry(type, coordinates);
 *
 * //=geometry
 */
function geometry(type, coordinates, options) {
    // Optional Parameters
    options = options || {};
    if (!isObject(options)) throw new Error('options is invalid');
    var bbox = options.bbox;

    // Validation
    if (!type) throw new Error('type is required');
    if (!coordinates) throw new Error('coordinates is required');
    if (!Array.isArray(coordinates)) throw new Error('coordinates must be an Array');
    if (bbox) validateBBox(bbox);

    // Main
    var geom;
    switch (type) {
    case 'Point': geom = point(coordinates).geometry; break;
    case 'LineString': geom = lineString(coordinates).geometry; break;
    case 'Polygon': geom = polygon(coordinates).geometry; break;
    case 'MultiPoint': geom = multiPoint(coordinates).geometry; break;
    case 'MultiLineString': geom = multiLineString(coordinates).geometry; break;
    case 'MultiPolygon': geom = multiPolygon(coordinates).geometry; break;
    default: throw new Error(type + ' is invalid');
    }
    if (bbox) geom.bbox = bbox;
    return geom;
}

/**
 * Creates a {@link Point} {@link Feature} from a Position.
 *
 * @name point
 * @param {Array<number>} coordinates longitude, latitude position (each in decimal degrees)
 * @param {Object} [properties={}] an Object of key-value pairs to add as properties
 * @param {Object} [options={}] Optional Parameters
 * @param {Array<number>} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature
 * @param {string|number} [options.id] Identifier associated with the Feature
 * @returns {Feature<Point>} a Point feature
 * @example
 * var point = turf.point([-75.343, 39.984]);
 *
 * //=point
 */
function point(coordinates, properties, options) {
    if (!coordinates) throw new Error('coordinates is required');
    if (!Array.isArray(coordinates)) throw new Error('coordinates must be an Array');
    if (coordinates.length < 2) throw new Error('coordinates must be at least 2 numbers long');
    if (!isNumber(coordinates[0]) || !isNumber(coordinates[1])) throw new Error('coordinates must contain numbers');

    return feature({
        type: 'Point',
        coordinates: coordinates
    }, properties, options);
}

/**
 * Creates a {@link Point} {@link FeatureCollection} from an Array of Point coordinates.
 *
 * @name points
 * @param {Array<Array<number>>} coordinates an array of Points
 * @param {Object} [properties={}] Translate these properties to each Feature
 * @param {Object} [options={}] Optional Parameters
 * @param {Array<number>} [options.bbox] Bounding Box Array [west, south, east, north] associated with the FeatureCollection
 * @param {string|number} [options.id] Identifier associated with the FeatureCollection
 * @returns {FeatureCollection<Point>} Point Feature
 * @example
 * var points = turf.points([
 *   [-75, 39],
 *   [-80, 45],
 *   [-78, 50]
 * ]);
 *
 * //=points
 */
function points(coordinates, properties, options) {
    if (!coordinates) throw new Error('coordinates is required');
    if (!Array.isArray(coordinates)) throw new Error('coordinates must be an Array');

    return featureCollection(coordinates.map(function (coords) {
        return point(coords, properties);
    }), options);
}

/**
 * Creates a {@link Polygon} {@link Feature} from an Array of LinearRings.
 *
 * @name polygon
 * @param {Array<Array<Array<number>>>} coordinates an array of LinearRings
 * @param {Object} [properties={}] an Object of key-value pairs to add as properties
 * @param {Object} [options={}] Optional Parameters
 * @param {Array<number>} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature
 * @param {string|number} [options.id] Identifier associated with the Feature
 * @returns {Feature<Polygon>} Polygon Feature
 * @example
 * var polygon = turf.polygon([[[-5, 52], [-4, 56], [-2, 51], [-7, 54], [-5, 52]]], { name: 'poly1' });
 *
 * //=polygon
 */
function polygon(coordinates, properties, options) {
    if (!coordinates) throw new Error('coordinates is required');

    for (var i = 0; i < coordinates.length; i++) {
        var ring = coordinates[i];
        if (ring.length < 4) {
            throw new Error('Each LinearRing of a Polygon must have 4 or more Positions.');
        }
        for (var j = 0; j < ring[ring.length - 1].length; j++) {
            // Check if first point of Polygon contains two numbers
            if (i === 0 && j === 0 && !isNumber(ring[0][0]) || !isNumber(ring[0][1])) throw new Error('coordinates must contain numbers');
            if (ring[ring.length - 1][j] !== ring[0][j]) {
                throw new Error('First and last Position are not equivalent.');
            }
        }
    }

    return feature({
        type: 'Polygon',
        coordinates: coordinates
    }, properties, options);
}

/**
 * Creates a {@link Polygon} {@link FeatureCollection} from an Array of Polygon coordinates.
 *
 * @name polygons
 * @param {Array<Array<Array<Array<number>>>>} coordinates an array of Polygon coordinates
 * @param {Object} [properties={}] an Object of key-value pairs to add as properties
 * @param {Object} [options={}] Optional Parameters
 * @param {Array<number>} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature
 * @param {string|number} [options.id] Identifier associated with the FeatureCollection
 * @returns {FeatureCollection<Polygon>} Polygon FeatureCollection
 * @example
 * var polygons = turf.polygons([
 *   [[[-5, 52], [-4, 56], [-2, 51], [-7, 54], [-5, 52]]],
 *   [[[-15, 42], [-14, 46], [-12, 41], [-17, 44], [-15, 42]]],
 * ]);
 *
 * //=polygons
 */
function polygons(coordinates, properties, options) {
    if (!coordinates) throw new Error('coordinates is required');
    if (!Array.isArray(coordinates)) throw new Error('coordinates must be an Array');

    return featureCollection(coordinates.map(function (coords) {
        return polygon(coords, properties);
    }), options);
}

/**
 * Creates a {@link LineString} {@link Feature} from an Array of Positions.
 *
 * @name lineString
 * @param {Array<Array<number>>} coordinates an array of Positions
 * @param {Object} [properties={}] an Object of key-value pairs to add as properties
 * @param {Object} [options={}] Optional Parameters
 * @param {Array<number>} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature
 * @param {string|number} [options.id] Identifier associated with the Feature
 * @returns {Feature<LineString>} LineString Feature
 * @example
 * var linestring1 = turf.lineString([[-24, 63], [-23, 60], [-25, 65], [-20, 69]], {name: 'line 1'});
 * var linestring2 = turf.lineString([[-14, 43], [-13, 40], [-15, 45], [-10, 49]], {name: 'line 2'});
 *
 * //=linestring1
 * //=linestring2
 */
function lineString(coordinates, properties, options) {
    if (!coordinates) throw new Error('coordinates is required');
    if (coordinates.length < 2) throw new Error('coordinates must be an array of two or more positions');
    // Check if first point of LineString contains two numbers
    if (!isNumber(coordinates[0][1]) || !isNumber(coordinates[0][1])) throw new Error('coordinates must contain numbers');

    return feature({
        type: 'LineString',
        coordinates: coordinates
    }, properties, options);
}

/**
 * Creates a {@link LineString} {@link FeatureCollection} from an Array of LineString coordinates.
 *
 * @name lineStrings
 * @param {Array<Array<number>>} coordinates an array of LinearRings
 * @param {Object} [properties={}] an Object of key-value pairs to add as properties
 * @param {Object} [options={}] Optional Parameters
 * @param {Array<number>} [options.bbox] Bounding Box Array [west, south, east, north] associated with the FeatureCollection
 * @param {string|number} [options.id] Identifier associated with the FeatureCollection
 * @returns {FeatureCollection<LineString>} LineString FeatureCollection
 * @example
 * var linestrings = turf.lineStrings([
 *   [[-24, 63], [-23, 60], [-25, 65], [-20, 69]],
 *   [[-14, 43], [-13, 40], [-15, 45], [-10, 49]]
 * ]);
 *
 * //=linestrings
 */
function lineStrings(coordinates, properties, options) {
    if (!coordinates) throw new Error('coordinates is required');
    if (!Array.isArray(coordinates)) throw new Error('coordinates must be an Array');

    return featureCollection(coordinates.map(function (coords) {
        return lineString(coords, properties);
    }), options);
}

/**
 * Takes one or more {@link Feature|Features} and creates a {@link FeatureCollection}.
 *
 * @name featureCollection
 * @param {Feature[]} features input features
 * @param {Object} [options={}] Optional Parameters
 * @param {Array<number>} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature
 * @param {string|number} [options.id] Identifier associated with the Feature
 * @returns {FeatureCollection} FeatureCollection of Features
 * @example
 * var locationA = turf.point([-75.343, 39.984], {name: 'Location A'});
 * var locationB = turf.point([-75.833, 39.284], {name: 'Location B'});
 * var locationC = turf.point([-75.534, 39.123], {name: 'Location C'});
 *
 * var collection = turf.featureCollection([
 *   locationA,
 *   locationB,
 *   locationC
 * ]);
 *
 * //=collection
 */
function featureCollection(features, options) {
    // Optional Parameters
    options = options || {};
    if (!isObject(options)) throw new Error('options is invalid');
    var bbox = options.bbox;
    var id = options.id;

    // Validation
    if (!features) throw new Error('No features passed');
    if (!Array.isArray(features)) throw new Error('features must be an Array');
    if (bbox) validateBBox(bbox);
    if (id) validateId(id);

    // Main
    var fc = {type: 'FeatureCollection'};
    if (id) fc.id = id;
    if (bbox) fc.bbox = bbox;
    fc.features = features;
    return fc;
}

/**
 * Creates a {@link Feature<MultiLineString>} based on a
 * coordinate array. Properties can be added optionally.
 *
 * @name multiLineString
 * @param {Array<Array<Array<number>>>} coordinates an array of LineStrings
 * @param {Object} [properties={}] an Object of key-value pairs to add as properties
 * @param {Object} [options={}] Optional Parameters
 * @param {Array<number>} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature
 * @param {string|number} [options.id] Identifier associated with the Feature
 * @returns {Feature<MultiLineString>} a MultiLineString feature
 * @throws {Error} if no coordinates are passed
 * @example
 * var multiLine = turf.multiLineString([[[0,0],[10,10]]]);
 *
 * //=multiLine
 */
function multiLineString(coordinates, properties, options) {
    if (!coordinates) throw new Error('coordinates is required');

    return feature({
        type: 'MultiLineString',
        coordinates: coordinates
    }, properties, options);
}

/**
 * Creates a {@link Feature<MultiPoint>} based on a
 * coordinate array. Properties can be added optionally.
 *
 * @name multiPoint
 * @param {Array<Array<number>>} coordinates an array of Positions
 * @param {Object} [properties={}] an Object of key-value pairs to add as properties
 * @param {Object} [options={}] Optional Parameters
 * @param {Array<number>} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature
 * @param {string|number} [options.id] Identifier associated with the Feature
 * @returns {Feature<MultiPoint>} a MultiPoint feature
 * @throws {Error} if no coordinates are passed
 * @example
 * var multiPt = turf.multiPoint([[0,0],[10,10]]);
 *
 * //=multiPt
 */
function multiPoint(coordinates, properties, options) {
    if (!coordinates) throw new Error('coordinates is required');

    return feature({
        type: 'MultiPoint',
        coordinates: coordinates
    }, properties, options);
}

/**
 * Creates a {@link Feature<MultiPolygon>} based on a
 * coordinate array. Properties can be added optionally.
 *
 * @name multiPolygon
 * @param {Array<Array<Array<Array<number>>>>} coordinates an array of Polygons
 * @param {Object} [properties={}] an Object of key-value pairs to add as properties
 * @param {Object} [options={}] Optional Parameters
 * @param {Array<number>} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature
 * @param {string|number} [options.id] Identifier associated with the Feature
 * @returns {Feature<MultiPolygon>} a multipolygon feature
 * @throws {Error} if no coordinates are passed
 * @example
 * var multiPoly = turf.multiPolygon([[[[0,0],[0,10],[10,10],[10,0],[0,0]]]]);
 *
 * //=multiPoly
 *
 */
function multiPolygon(coordinates, properties, options) {
    if (!coordinates) throw new Error('coordinates is required');

    return feature({
        type: 'MultiPolygon',
        coordinates: coordinates
    }, properties, options);
}

/**
 * Creates a {@link Feature<GeometryCollection>} based on a
 * coordinate array. Properties can be added optionally.
 *
 * @name geometryCollection
 * @param {Array<Geometry>} geometries an array of GeoJSON Geometries
 * @param {Object} [properties={}] an Object of key-value pairs to add as properties
 * @param {Object} [options={}] Optional Parameters
 * @param {Array<number>} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature
 * @param {string|number} [options.id] Identifier associated with the Feature
 * @returns {Feature<GeometryCollection>} a GeoJSON GeometryCollection Feature
 * @example
 * var pt = {
 *     "type": "Point",
 *       "coordinates": [100, 0]
 *     };
 * var line = {
 *     "type": "LineString",
 *     "coordinates": [ [101, 0], [102, 1] ]
 *   };
 * var collection = turf.geometryCollection([pt, line]);
 *
 * //=collection
 */
function geometryCollection(geometries, properties, options) {
    if (!geometries) throw new Error('geometries is required');
    if (!Array.isArray(geometries)) throw new Error('geometries must be an Array');

    return feature({
        type: 'GeometryCollection',
        geometries: geometries
    }, properties, options);
}

/**
 * Round number to precision
 *
 * @param {number} num Number
 * @param {number} [precision=0] Precision
 * @returns {number} rounded number
 * @example
 * turf.round(120.4321)
 * //=120
 *
 * turf.round(120.4321, 2)
 * //=120.43
 */
function round(num, precision) {
    if (num === undefined || num === null || isNaN(num)) throw new Error('num is required');
    if (precision && !(precision >= 0)) throw new Error('precision must be a positive number');
    var multiplier = Math.pow(10, precision || 0);
    return Math.round(num * multiplier) / multiplier;
}

/**
 * Convert a distance measurement (assuming a spherical Earth) from radians to a more friendly unit.
 * Valid units: miles, nauticalmiles, inches, yards, meters, metres, kilometers, centimeters, feet
 *
 * @name radiansToLength
 * @param {number} radians in radians across the sphere
 * @param {string} [units='kilometers'] can be degrees, radians, miles, or kilometers inches, yards, metres, meters, kilometres, kilometers.
 * @returns {number} distance
 */
function radiansToLength(radians, units) {
    if (radians === undefined || radians === null) throw new Error('radians is required');

    if (units && typeof units !== 'string') throw new Error('units must be a string');
    var factor = factors[units || 'kilometers'];
    if (!factor) throw new Error(units + ' units is invalid');
    return radians * factor;
}

/**
 * Convert a distance measurement (assuming a spherical Earth) from a real-world unit into radians
 * Valid units: miles, nauticalmiles, inches, yards, meters, metres, kilometers, centimeters, feet
 *
 * @name lengthToRadians
 * @param {number} distance in real units
 * @param {string} [units='kilometers'] can be degrees, radians, miles, or kilometers inches, yards, metres, meters, kilometres, kilometers.
 * @returns {number} radians
 */
function lengthToRadians(distance, units) {
    if (distance === undefined || distance === null) throw new Error('distance is required');

    if (units && typeof units !== 'string') throw new Error('units must be a string');
    var factor = factors[units || 'kilometers'];
    if (!factor) throw new Error(units + ' units is invalid');
    return distance / factor;
}

/**
 * Convert a distance measurement (assuming a spherical Earth) from a real-world unit into degrees
 * Valid units: miles, nauticalmiles, inches, yards, meters, metres, centimeters, kilometres, feet
 *
 * @name lengthToDegrees
 * @param {number} distance in real units
 * @param {string} [units='kilometers'] can be degrees, radians, miles, or kilometers inches, yards, metres, meters, kilometres, kilometers.
 * @returns {number} degrees
 */
function lengthToDegrees(distance, units) {
    return radiansToDegrees(lengthToRadians(distance, units));
}

/**
 * Converts any bearing angle from the north line direction (positive clockwise)
 * and returns an angle between 0-360 degrees (positive clockwise), 0 being the north line
 *
 * @name bearingToAzimuth
 * @param {number} bearing angle, between -180 and +180 degrees
 * @returns {number} angle between 0 and 360 degrees
 */
function bearingToAzimuth(bearing) {
    if (bearing === null || bearing === undefined) throw new Error('bearing is required');

    var angle = bearing % 360;
    if (angle < 0) angle += 360;
    return angle;
}

/**
 * Converts an angle in radians to degrees
 *
 * @name radiansToDegrees
 * @param {number} radians angle in radians
 * @returns {number} degrees between 0 and 360 degrees
 */
function radiansToDegrees(radians) {
    if (radians === null || radians === undefined) throw new Error('radians is required');

    var degrees = radians % (2 * Math.PI);
    return degrees * 180 / Math.PI;
}

/**
 * Converts an angle in degrees to radians
 *
 * @name degreesToRadians
 * @param {number} degrees angle between 0 and 360 degrees
 * @returns {number} angle in radians
 */
function degreesToRadians(degrees) {
    if (degrees === null || degrees === undefined) throw new Error('degrees is required');

    var radians = degrees % 360;
    return radians * Math.PI / 180;
}

/**
 * Converts a length to the requested unit.
 * Valid units: miles, nauticalmiles, inches, yards, meters, metres, kilometers, centimeters, feet
 *
 * @param {number} length to be converted
 * @param {string} originalUnit of the length
 * @param {string} [finalUnit='kilometers'] returned unit
 * @returns {number} the converted length
 */
function convertLength(length, originalUnit, finalUnit) {
    if (length === null || length === undefined) throw new Error('length is required');
    if (!(length >= 0)) throw new Error('length must be a positive number');

    return radiansToLength(lengthToRadians(length, originalUnit), finalUnit || 'kilometers');
}

/**
 * Converts a area to the requested unit.
 * Valid units: kilometers, kilometres, meters, metres, centimetres, millimeters, acres, miles, yards, feet, inches
 * @param {number} area to be converted
 * @param {string} [originalUnit='meters'] of the distance
 * @param {string} [finalUnit='kilometers'] returned unit
 * @returns {number} the converted distance
 */
function convertArea(area, originalUnit, finalUnit) {
    if (area === null || area === undefined) throw new Error('area is required');
    if (!(area >= 0)) throw new Error('area must be a positive number');

    var startFactor = areaFactors[originalUnit || 'meters'];
    if (!startFactor) throw new Error('invalid original units');

    var finalFactor = areaFactors[finalUnit || 'kilometers'];
    if (!finalFactor) throw new Error('invalid final units');

    return (area / startFactor) * finalFactor;
}

/**
 * isNumber
 *
 * @param {*} num Number to validate
 * @returns {boolean} true/false
 * @example
 * turf.isNumber(123)
 * //=true
 * turf.isNumber('foo')
 * //=false
 */
function isNumber(num) {
    return !isNaN(num) && num !== null && !Array.isArray(num);
}

/**
 * isObject
 *
 * @param {*} input variable to validate
 * @returns {boolean} true/false
 * @example
 * turf.isObject({elevation: 10})
 * //=true
 * turf.isObject('foo')
 * //=false
 */
function isObject(input) {
    return (!!input) && (input.constructor === Object);
}

/**
 * Validate BBox
 *
 * @private
 * @param {Array<number>} bbox BBox to validate
 * @returns {void}
 * @throws Error if BBox is not valid
 * @example
 * validateBBox([-180, -40, 110, 50])
 * //=OK
 * validateBBox([-180, -40])
 * //=Error
 * validateBBox('Foo')
 * //=Error
 * validateBBox(5)
 * //=Error
 * validateBBox(null)
 * //=Error
 * validateBBox(undefined)
 * //=Error
 */
function validateBBox(bbox) {
    if (!bbox) throw new Error('bbox is required');
    if (!Array.isArray(bbox)) throw new Error('bbox must be an Array');
    if (bbox.length !== 4 && bbox.length !== 6) throw new Error('bbox must be an Array of 4 or 6 numbers');
    bbox.forEach(function (num) {
        if (!isNumber(num)) throw new Error('bbox must only contain numbers');
    });
}

/**
 * Validate Id
 *
 * @private
 * @param {string|number} id Id to validate
 * @returns {void}
 * @throws Error if Id is not valid
 * @example
 * validateId([-180, -40, 110, 50])
 * //=Error
 * validateId([-180, -40])
 * //=Error
 * validateId('Foo')
 * //=OK
 * validateId(5)
 * //=OK
 * validateId(null)
 * //=Error
 * validateId(undefined)
 * //=Error
 */
function validateId(id) {
    if (!id) throw new Error('id is required');
    if (['string', 'number'].indexOf(typeof id) === -1) throw new Error('id must be a number or a string');
}

// Deprecated methods
function radians2degrees() {
    throw new Error('method has been renamed to `radiansToDegrees`');
}

function degrees2radians() {
    throw new Error('method has been renamed to `degreesToRadians`');
}

function distanceToDegrees() {
    throw new Error('method has been renamed to `lengthToDegrees`');
}

function distanceToRadians() {
    throw new Error('method has been renamed to `lengthToRadians`');
}

function radiansToDistance() {
    throw new Error('method has been renamed to `radiansToLength`');
}

function bearingToAngle() {
    throw new Error('method has been renamed to `bearingToAzimuth`');
}

function convertDistance() {
    throw new Error('method has been renamed to `convertLength`');
}

exports.earthRadius = earthRadius;
exports.factors = factors;
exports.unitsFactors = unitsFactors;
exports.areaFactors = areaFactors;
exports.feature = feature;
exports.geometry = geometry;
exports.point = point;
exports.points = points;
exports.polygon = polygon;
exports.polygons = polygons;
exports.lineString = lineString;
exports.lineStrings = lineStrings;
exports.featureCollection = featureCollection;
exports.multiLineString = multiLineString;
exports.multiPoint = multiPoint;
exports.multiPolygon = multiPolygon;
exports.geometryCollection = geometryCollection;
exports.round = round;
exports.radiansToLength = radiansToLength;
exports.lengthToRadians = lengthToRadians;
exports.lengthToDegrees = lengthToDegrees;
exports.bearingToAzimuth = bearingToAzimuth;
exports.radiansToDegrees = radiansToDegrees;
exports.degreesToRadians = degreesToRadians;
exports.convertLength = convertLength;
exports.convertArea = convertArea;
exports.isNumber = isNumber;
exports.isObject = isObject;
exports.validateBBox = validateBBox;
exports.validateId = validateId;
exports.radians2degrees = radians2degrees;
exports.degrees2radians = degrees2radians;
exports.distanceToDegrees = distanceToDegrees;
exports.distanceToRadians = distanceToRadians;
exports.radiansToDistance = radiansToDistance;
exports.bearingToAngle = bearingToAngle;
exports.convertDistance = convertDistance;

},{}],15:[function(require,module,exports){
var invariant = require('@turf/invariant');

// http://en.wikipedia.org/wiki/Even%E2%80%93odd_rule
// modified from: https://github.com/substack/point-in-polygon/blob/master/index.js
// which was modified from http://www.ecse.rpi.edu/Homepages/wrf/Research/Short_Notes/pnpoly.html

/**
 * Takes a {@link Point} and a {@link Polygon} or {@link MultiPolygon} and determines if the point resides inside the polygon. The polygon can
 * be convex or concave. The function accounts for holes.
 *
 * @name inside
 * @param {Feature<Point>} point input point
 * @param {Feature<(Polygon|MultiPolygon)>} polygon input polygon or multipolygon
 * @return {boolean} `true` if the Point is inside the Polygon; `false` if the Point is not inside the Polygon
 * @example
 * var pt = turf.point([-77, 44]);
 * var poly = turf.polygon([[
 *   [-81, 41],
 *   [-81, 47],
 *   [-72, 47],
 *   [-72, 41],
 *   [-81, 41]
 * ]]);
 *
 * var isInside = turf.inside(pt, poly);
 *
 * //=isInside
 */
module.exports = function input(point, polygon) {
    var pt = invariant.getCoord(point);
    var polys = polygon.geometry.coordinates;
    // normalize to multipolygon
    if (polygon.geometry.type === 'Polygon') polys = [polys];

    for (var i = 0, insidePoly = false; i < polys.length && !insidePoly; i++) {
        // check if it is in the outer ring first
        if (inRing(pt, polys[i][0])) {
            var inHole = false;
            var k = 1;
            // check for the point in any of the holes
            while (k < polys[i].length && !inHole) {
                if (inRing(pt, polys[i][k], true)) {
                    inHole = true;
                }
                k++;
            }
            if (!inHole) insidePoly = true;
        }
    }
    return insidePoly;
};

// pt is [x,y] and ring is [[x,y], [x,y],..]
function inRing(pt, ring, ignoreBoundary) {
    var isInside = false;
    if (ring[0][0] === ring[ring.length - 1][0] && ring[0][1] === ring[ring.length - 1][1]) ring = ring.slice(0, ring.length - 1);

    for (var i = 0, j = ring.length - 1; i < ring.length; j = i++) {
        var xi = ring[i][0], yi = ring[i][1];
        var xj = ring[j][0], yj = ring[j][1];
        var onBoundary = (pt[1] * (xi - xj) + yi * (xj - pt[0]) + yj * (pt[0] - xi) === 0) &&
            ((xi - pt[0]) * (xj - pt[0]) <= 0) && ((yi - pt[1]) * (yj - pt[1]) <= 0);
        if (onBoundary) return !ignoreBoundary;
        var intersect = ((yi > pt[1]) !== (yj > pt[1])) &&
        (pt[0] < (xj - xi) * (pt[1] - yi) / (yj - yi) + xi);
        if (intersect) isInside = !isInside;
    }
    return isInside;
}

},{"@turf/invariant":16}],16:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var helpers = require('@turf/helpers');

/**
 * Unwrap a coordinate from a Point Feature, Geometry or a single coordinate.
 *
 * @name getCoord
 * @param {Array<number>|Geometry<Point>|Feature<Point>} coord GeoJSON Point or an Array of numbers
 * @returns {Array<number>} coordinates
 * @example
 * var pt = turf.point([10, 10]);
 *
 * var coord = turf.getCoord(pt);
 * //= [10, 10]
 */
function getCoord(coord) {
    if (!coord) throw new Error('coord is required');
    if (coord.type === 'Feature' && coord.geometry !== null && coord.geometry.type === 'Point') return coord.geometry.coordinates;
    if (coord.type === 'Point') return coord.coordinates;
    if (Array.isArray(coord) && coord.length >= 2 && coord[0].length === undefined && coord[1].length === undefined) return coord;

    throw new Error('coord must be GeoJSON Point or an Array of numbers');
}

/**
 * Unwrap coordinates from a Feature, Geometry Object or an Array
 *
 * @name getCoords
 * @param {Array<any>|Geometry|Feature} coords Feature, Geometry Object or an Array
 * @returns {Array<any>} coordinates
 * @example
 * var poly = turf.polygon([[[119.32, -8.7], [119.55, -8.69], [119.51, -8.54], [119.32, -8.7]]]);
 *
 * var coords = turf.getCoords(poly);
 * //= [[[119.32, -8.7], [119.55, -8.69], [119.51, -8.54], [119.32, -8.7]]]
 */
function getCoords(coords) {
    if (!coords) throw new Error('coords is required');

    // Feature
    if (coords.type === 'Feature' && coords.geometry !== null) return coords.geometry.coordinates;

    // Geometry
    if (coords.coordinates) return coords.coordinates;

    // Array of numbers
    if (Array.isArray(coords)) return coords;

    throw new Error('coords must be GeoJSON Feature, Geometry Object or an Array');
}

/**
 * Checks if coordinates contains a number
 *
 * @name containsNumber
 * @param {Array<any>} coordinates GeoJSON Coordinates
 * @returns {boolean} true if Array contains a number
 */
function containsNumber(coordinates) {
    if (coordinates.length > 1 && helpers.isNumber(coordinates[0]) && helpers.isNumber(coordinates[1])) {
        return true;
    }

    if (Array.isArray(coordinates[0]) && coordinates[0].length) {
        return containsNumber(coordinates[0]);
    }
    throw new Error('coordinates must only contain numbers');
}

/**
 * Enforce expectations about types of GeoJSON objects for Turf.
 *
 * @name geojsonType
 * @param {GeoJSON} value any GeoJSON object
 * @param {string} type expected GeoJSON type
 * @param {string} name name of calling function
 * @throws {Error} if value is not the expected type.
 */
function geojsonType(value, type, name) {
    if (!type || !name) throw new Error('type and name required');

    if (!value || value.type !== type) {
        throw new Error('Invalid input to ' + name + ': must be a ' + type + ', given ' + value.type);
    }
}

/**
 * Enforce expectations about types of {@link Feature} inputs for Turf.
 * Internally this uses {@link geojsonType} to judge geometry types.
 *
 * @name featureOf
 * @param {Feature} feature a feature with an expected geometry type
 * @param {string} type expected GeoJSON type
 * @param {string} name name of calling function
 * @throws {Error} error if value is not the expected type.
 */
function featureOf(feature, type, name) {
    if (!feature) throw new Error('No feature passed');
    if (!name) throw new Error('.featureOf() requires a name');
    if (!feature || feature.type !== 'Feature' || !feature.geometry) {
        throw new Error('Invalid input to ' + name + ', Feature with geometry required');
    }
    if (!feature.geometry || feature.geometry.type !== type) {
        throw new Error('Invalid input to ' + name + ': must be a ' + type + ', given ' + feature.geometry.type);
    }
}

/**
 * Enforce expectations about types of {@link FeatureCollection} inputs for Turf.
 * Internally this uses {@link geojsonType} to judge geometry types.
 *
 * @name collectionOf
 * @param {FeatureCollection} featureCollection a FeatureCollection for which features will be judged
 * @param {string} type expected GeoJSON type
 * @param {string} name name of calling function
 * @throws {Error} if value is not the expected type.
 */
function collectionOf(featureCollection, type, name) {
    if (!featureCollection) throw new Error('No featureCollection passed');
    if (!name) throw new Error('.collectionOf() requires a name');
    if (!featureCollection || featureCollection.type !== 'FeatureCollection') {
        throw new Error('Invalid input to ' + name + ', FeatureCollection required');
    }
    for (var i = 0; i < featureCollection.features.length; i++) {
        var feature = featureCollection.features[i];
        if (!feature || feature.type !== 'Feature' || !feature.geometry) {
            throw new Error('Invalid input to ' + name + ', Feature with geometry required');
        }
        if (!feature.geometry || feature.geometry.type !== type) {
            throw new Error('Invalid input to ' + name + ': must be a ' + type + ', given ' + feature.geometry.type);
        }
    }
}

/**
 * Get Geometry from Feature or Geometry Object
 *
 * @param {Feature|Geometry} geojson GeoJSON Feature or Geometry Object
 * @returns {Geometry|null} GeoJSON Geometry Object
 * @throws {Error} if geojson is not a Feature or Geometry Object
 * @example
 * var point = {
 *   "type": "Feature",
 *   "properties": {},
 *   "geometry": {
 *     "type": "Point",
 *     "coordinates": [110, 40]
 *   }
 * }
 * var geom = turf.getGeom(point)
 * //={"type": "Point", "coordinates": [110, 40]}
 */
function getGeom(geojson) {
    if (!geojson) throw new Error('geojson is required');
    if (geojson.geometry !== undefined) return geojson.geometry;
    if (geojson.coordinates || geojson.geometries) return geojson;
    throw new Error('geojson must be a valid Feature or Geometry Object');
}

/**
 * Get Geometry Type from Feature or Geometry Object
 *
 * @throws {Error} **DEPRECATED** in v5.0.0 in favor of getType
 */
function getGeomType() {
    throw new Error('invariant.getGeomType has been deprecated in v5.0 in favor of invariant.getType');
}

/**
 * Get GeoJSON object's type, Geometry type is prioritize.
 *
 * @param {GeoJSON} geojson GeoJSON object
 * @param {string} [name="geojson"] name of the variable to display in error message
 * @returns {string} GeoJSON type
 * @example
 * var point = {
 *   "type": "Feature",
 *   "properties": {},
 *   "geometry": {
 *     "type": "Point",
 *     "coordinates": [110, 40]
 *   }
 * }
 * var geom = turf.getType(point)
 * //="Point"
 */
function getType(geojson, name) {
    if (!geojson) throw new Error((name || 'geojson') + ' is required');
    // GeoJSON Feature & GeometryCollection
    if (geojson.geometry && geojson.geometry.type) return geojson.geometry.type;
    // GeoJSON Geometry & FeatureCollection
    if (geojson.type) return geojson.type;
    throw new Error((name || 'geojson') + ' is invalid');
}

exports.getCoord = getCoord;
exports.getCoords = getCoords;
exports.containsNumber = containsNumber;
exports.geojsonType = geojsonType;
exports.featureOf = featureOf;
exports.collectionOf = collectionOf;
exports.getGeom = getGeom;
exports.getGeomType = getGeomType;
exports.getType = getType;

},{"@turf/helpers":14}],17:[function(require,module,exports){
var helpers = require('@turf/helpers');
var meta = require('@turf/meta');
var lineSegment = require('@turf/line-segment');
var getCoords = require('@turf/invariant').getCoords;
var rbush = require('geojson-rbush');
var point = helpers.point;
var featureCollection = helpers.featureCollection;
var featureEach = meta.featureEach;

/**
 * Takes any LineString or Polygon GeoJSON and returns the intersecting point(s).
 *
 * @name lineIntersect
 * @param {FeatureCollection|Feature<LineString|MultiLineString|Polygon|MultiPolygon>} line1 any LineString or Polygon
 * @param {FeatureCollection|Feature<LineString|MultiLineString|Polygon|MultiPolygon>} line2 any LineString or Polygon
 * @returns {FeatureCollection<Point>} point(s) that intersect both
 * @example
 * var line1 = {
 *   "type": "Feature",
 *   "properties": {},
 *   "geometry": {
 *     "type": "LineString",
 *     "coordinates": [[126, -11], [129, -21]]
 *   }
 * };
 * var line2 = {
 *   "type": "Feature",
 *   "properties": {},
 *   "geometry": {
 *     "type": "LineString",
 *     "coordinates": [[123, -18], [131, -14]]
 *   }
 * };
 * var points = turf.lineIntersect(line1, line2);
 * //= points
 */
module.exports = function (line1, line2) {
    var results = [];
    // Handles simple 2-vertex segments
    if (line1.geometry.type === 'LineString' &&
        line2.geometry.type === 'LineString' &&
        line1.geometry.coordinates.length === 2 &&
        line2.geometry.coordinates.length === 2) {
        var intersect = intersects(line1, line2);
        if (intersect) results.push(intersect);
        return featureCollection(results);
    }
    // Handles complex GeoJSON Geometries
    var tree = rbush();
    tree.load(lineSegment(line2));
    featureEach(lineSegment(line1), function (segment) {
        featureEach(tree.search(segment), function (match) {
            var intersect = intersects(segment, match);
            if (intersect) results.push(intersect);
        });
    });
    return featureCollection(results);
};

/**
 * Find a point that intersects LineStrings with two coordinates each
 *
 * @private
 * @param {Feature<LineString>} line1 GeoJSON LineString (Must only contain 2 coordinates)
 * @param {Feature<LineString>} line2 GeoJSON LineString (Must only contain 2 coordinates)
 * @returns {Feature<Point>} intersecting GeoJSON Point
 */
function intersects(line1, line2) {
    var coords1 = getCoords(line1);
    var coords2 = getCoords(line2);
    if (coords1.length !== 2) {
        throw new Error('<intersects> line1 must only contain 2 coordinates');
    }
    if (coords2.length !== 2) {
        throw new Error('<intersects> line2 must only contain 2 coordinates');
    }
    var x1 = coords1[0][0];
    var y1 = coords1[0][1];
    var x2 = coords1[1][0];
    var y2 = coords1[1][1];
    var x3 = coords2[0][0];
    var y3 = coords2[0][1];
    var x4 = coords2[1][0];
    var y4 = coords2[1][1];
    var denom = ((y4 - y3) * (x2 - x1)) - ((x4 - x3) * (y2 - y1));
    var numeA = ((x4 - x3) * (y1 - y3)) - ((y4 - y3) * (x1 - x3));
    var numeB = ((x2 - x1) * (y1 - y3)) - ((y2 - y1) * (x1 - x3));

    if (denom === 0) {
        if (numeA === 0 && numeB === 0) {
            return null;
        }
        return null;
    }

    var uA = numeA / denom;
    var uB = numeB / denom;

    if (uA >= 0 && uA <= 1 && uB >= 0 && uB <= 1) {
        var x = x1 + (uA * (x2 - x1));
        var y = y1 + (uA * (y2 - y1));
        return point([x, y]);
    }
    return null;
}

},{"@turf/helpers":18,"@turf/invariant":19,"@turf/line-segment":22,"@turf/meta":20,"geojson-rbush":41}],18:[function(require,module,exports){
arguments[4][4][0].apply(exports,arguments)
},{"dup":4}],19:[function(require,module,exports){
arguments[4][5][0].apply(exports,arguments)
},{"dup":5}],20:[function(require,module,exports){
/**
 * Callback for coordEach
 *
 * @private
 * @callback coordEachCallback
 * @param {[number, number]} currentCoords The current coordinates being processed.
 * @param {number} currentIndex The index of the current element being processed in the
 * array.Starts at index 0, if an initialValue is provided, and at index 1 otherwise.
 */

/**
 * Iterate over coordinates in any GeoJSON object, similar to Array.forEach()
 *
 * @name coordEach
 * @param {Object} layer any GeoJSON object
 * @param {Function} callback a method that takes (currentCoords, currentIndex)
 * @param {boolean} [excludeWrapCoord=false] whether or not to include
 * the final coordinate of LinearRings that wraps the ring in its iteration.
 * @example
 * var features = {
 *   "type": "FeatureCollection",
 *   "features": [
 *     {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [26, 37]
 *       }
 *     },
 *     {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [36, 53]
 *       }
 *     }
 *   ]
 * };
 * turf.coordEach(features, function (currentCoords, currentIndex) {
 *   //=currentCoords
 *   //=currentIndex
 * });
 */
function coordEach(layer, callback, excludeWrapCoord) {
    var i, j, k, g, l, geometry, stopG, coords,
        geometryMaybeCollection,
        wrapShrink = 0,
        currentIndex = 0,
        isGeometryCollection,
        isFeatureCollection = layer.type === 'FeatureCollection',
        isFeature = layer.type === 'Feature',
        stop = isFeatureCollection ? layer.features.length : 1;

  // This logic may look a little weird. The reason why it is that way
  // is because it's trying to be fast. GeoJSON supports multiple kinds
  // of objects at its root: FeatureCollection, Features, Geometries.
  // This function has the responsibility of handling all of them, and that
  // means that some of the `for` loops you see below actually just don't apply
  // to certain inputs. For instance, if you give this just a
  // Point geometry, then both loops are short-circuited and all we do
  // is gradually rename the input until it's called 'geometry'.
  //
  // This also aims to allocate as few resources as possible: just a
  // few numbers and booleans, rather than any temporary arrays as would
  // be required with the normalization approach.
    for (i = 0; i < stop; i++) {

        geometryMaybeCollection = (isFeatureCollection ? layer.features[i].geometry :
        (isFeature ? layer.geometry : layer));
        isGeometryCollection = geometryMaybeCollection.type === 'GeometryCollection';
        stopG = isGeometryCollection ? geometryMaybeCollection.geometries.length : 1;

        for (g = 0; g < stopG; g++) {
            geometry = isGeometryCollection ?
            geometryMaybeCollection.geometries[g] : geometryMaybeCollection;
            coords = geometry.coordinates;

            wrapShrink = (excludeWrapCoord &&
                (geometry.type === 'Polygon' || geometry.type === 'MultiPolygon')) ?
                1 : 0;

            if (geometry.type === 'Point') {
                callback(coords, currentIndex);
                currentIndex++;
            } else if (geometry.type === 'LineString' || geometry.type === 'MultiPoint') {
                for (j = 0; j < coords.length; j++) {
                    callback(coords[j], currentIndex);
                    currentIndex++;
                }
            } else if (geometry.type === 'Polygon' || geometry.type === 'MultiLineString') {
                for (j = 0; j < coords.length; j++)
                    for (k = 0; k < coords[j].length - wrapShrink; k++) {
                        callback(coords[j][k], currentIndex);
                        currentIndex++;
                    }
            } else if (geometry.type === 'MultiPolygon') {
                for (j = 0; j < coords.length; j++)
                    for (k = 0; k < coords[j].length; k++)
                        for (l = 0; l < coords[j][k].length - wrapShrink; l++) {
                            callback(coords[j][k][l], currentIndex);
                            currentIndex++;
                        }
            } else if (geometry.type === 'GeometryCollection') {
                for (j = 0; j < geometry.geometries.length; j++)
                    coordEach(geometry.geometries[j], callback, excludeWrapCoord);
            } else {
                throw new Error('Unknown Geometry Type');
            }
        }
    }
}

/**
 * Callback for coordReduce
 *
 * The first time the callback function is called, the values provided as arguments depend
 * on whether the reduce method has an initialValue argument.
 *
 * If an initialValue is provided to the reduce method:
 *  - The previousValue argument is initialValue.
 *  - The currentValue argument is the value of the first element present in the array.
 *
 * If an initialValue is not provided:
 *  - The previousValue argument is the value of the first element present in the array.
 *  - The currentValue argument is the value of the second element present in the array.
 *
 * @private
 * @callback coordReduceCallback
 * @param {*} previousValue The accumulated value previously returned in the last invocation
 * of the callback, or initialValue, if supplied.
 * @param {[number, number]} currentCoords The current coordinate being processed.
 * @param {number} currentIndex The index of the current element being processed in the
 * array.Starts at index 0, if an initialValue is provided, and at index 1 otherwise.
 */

/**
 * Reduce coordinates in any GeoJSON object, similar to Array.reduce()
 *
 * @name coordReduce
 * @param {Object} layer any GeoJSON object
 * @param {Function} callback a method that takes (previousValue, currentCoords, currentIndex)
 * @param {*} [initialValue] Value to use as the first argument to the first call of the callback.
 * @param {boolean} [excludeWrapCoord=false] whether or not to include
 * the final coordinate of LinearRings that wraps the ring in its iteration.
 * @returns {*} The value that results from the reduction.
 * @example
 * var features = {
 *   "type": "FeatureCollection",
 *   "features": [
 *     {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [26, 37]
 *       }
 *     },
 *     {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [36, 53]
 *       }
 *     }
 *   ]
 * };
 * turf.coordReduce(features, function (previousValue, currentCoords, currentIndex) {
 *   //=previousValue
 *   //=currentCoords
 *   //=currentIndex
 *   return currentCoords;
 * });
 */
function coordReduce(layer, callback, initialValue, excludeWrapCoord) {
    var previousValue = initialValue;
    coordEach(layer, function (currentCoords, currentIndex) {
        if (currentIndex === 0 && initialValue === undefined) {
            previousValue = currentCoords;
        } else {
            previousValue = callback(previousValue, currentCoords, currentIndex);
        }
    }, excludeWrapCoord);
    return previousValue;
}

/**
 * Callback for propEach
 *
 * @private
 * @callback propEachCallback
 * @param {*} currentProperties The current properties being processed.
 * @param {number} currentIndex The index of the current element being processed in the
 * array.Starts at index 0, if an initialValue is provided, and at index 1 otherwise.
 */

/**
 * Iterate over properties in any GeoJSON object, similar to Array.forEach()
 *
 * @name propEach
 * @param {Object} layer any GeoJSON object
 * @param {Function} callback a method that takes (currentProperties, currentIndex)
 * @example
 * var features = {
 *   "type": "FeatureCollection",
 *   "features": [
 *     {
 *       "type": "Feature",
 *       "properties": {"foo": "bar"},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [26, 37]
 *       }
 *     },
 *     {
 *       "type": "Feature",
 *       "properties": {"hello": "world"},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [36, 53]
 *       }
 *     }
 *   ]
 * };
 * turf.propEach(features, function (currentProperties, currentIndex) {
 *   //=currentProperties
 *   //=currentIndex
 * });
 */
function propEach(layer, callback) {
    var i;
    switch (layer.type) {
    case 'FeatureCollection':
        for (i = 0; i < layer.features.length; i++) {
            callback(layer.features[i].properties, i);
        }
        break;
    case 'Feature':
        callback(layer.properties, 0);
        break;
    }
}


/**
 * Callback for propReduce
 *
 * The first time the callback function is called, the values provided as arguments depend
 * on whether the reduce method has an initialValue argument.
 *
 * If an initialValue is provided to the reduce method:
 *  - The previousValue argument is initialValue.
 *  - The currentValue argument is the value of the first element present in the array.
 *
 * If an initialValue is not provided:
 *  - The previousValue argument is the value of the first element present in the array.
 *  - The currentValue argument is the value of the second element present in the array.
 *
 * @private
 * @callback propReduceCallback
 * @param {*} previousValue The accumulated value previously returned in the last invocation
 * of the callback, or initialValue, if supplied.
 * @param {*} currentProperties The current properties being processed.
 * @param {number} currentIndex The index of the current element being processed in the
 * array.Starts at index 0, if an initialValue is provided, and at index 1 otherwise.
 */

/**
 * Reduce properties in any GeoJSON object into a single value,
 * similar to how Array.reduce works. However, in this case we lazily run
 * the reduction, so an array of all properties is unnecessary.
 *
 * @name propReduce
 * @param {Object} layer any GeoJSON object
 * @param {Function} callback a method that takes (previousValue, currentProperties, currentIndex)
 * @param {*} [initialValue] Value to use as the first argument to the first call of the callback.
 * @returns {*} The value that results from the reduction.
 * @example
 * var features = {
 *   "type": "FeatureCollection",
 *   "features": [
 *     {
 *       "type": "Feature",
 *       "properties": {"foo": "bar"},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [26, 37]
 *       }
 *     },
 *     {
 *       "type": "Feature",
 *       "properties": {"hello": "world"},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [36, 53]
 *       }
 *     }
 *   ]
 * };
 * turf.propReduce(features, function (previousValue, currentProperties, currentIndex) {
 *   //=previousValue
 *   //=currentProperties
 *   //=currentIndex
 *   return currentProperties
 * });
 */
function propReduce(layer, callback, initialValue) {
    var previousValue = initialValue;
    propEach(layer, function (currentProperties, currentIndex) {
        if (currentIndex === 0 && initialValue === undefined) {
            previousValue = currentProperties;
        } else {
            previousValue = callback(previousValue, currentProperties, currentIndex);
        }
    });
    return previousValue;
}

/**
 * Callback for featureEach
 *
 * @private
 * @callback featureEachCallback
 * @param {Feature<any>} currentFeature The current feature being processed.
 * @param {number} currentIndex The index of the current element being processed in the
 * array.Starts at index 0, if an initialValue is provided, and at index 1 otherwise.
 */

/**
 * Iterate over features in any GeoJSON object, similar to
 * Array.forEach.
 *
 * @name featureEach
 * @param {Object} layer any GeoJSON object
 * @param {Function} callback a method that takes (currentFeature, currentIndex)
 * @example
 * var features = {
 *   "type": "FeatureCollection",
 *   "features": [
 *     {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [26, 37]
 *       }
 *     },
 *     {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [36, 53]
 *       }
 *     }
 *   ]
 * };
 * turf.featureEach(features, function (currentFeature, currentIndex) {
 *   //=currentFeature
 *   //=currentIndex
 * });
 */
function featureEach(layer, callback) {
    if (layer.type === 'Feature') {
        callback(layer, 0);
    } else if (layer.type === 'FeatureCollection') {
        for (var i = 0; i < layer.features.length; i++) {
            callback(layer.features[i], i);
        }
    }
}

/**
 * Callback for featureReduce
 *
 * The first time the callback function is called, the values provided as arguments depend
 * on whether the reduce method has an initialValue argument.
 *
 * If an initialValue is provided to the reduce method:
 *  - The previousValue argument is initialValue.
 *  - The currentValue argument is the value of the first element present in the array.
 *
 * If an initialValue is not provided:
 *  - The previousValue argument is the value of the first element present in the array.
 *  - The currentValue argument is the value of the second element present in the array.
 *
 * @private
 * @callback featureReduceCallback
 * @param {*} previousValue The accumulated value previously returned in the last invocation
 * of the callback, or initialValue, if supplied.
 * @param {Feature<any>} currentFeature The current Feature being processed.
 * @param {number} currentIndex The index of the current element being processed in the
 * array.Starts at index 0, if an initialValue is provided, and at index 1 otherwise.
 */

/**
 * Reduce features in any GeoJSON object, similar to Array.reduce().
 *
 * @name featureReduce
 * @param {Object} layer any GeoJSON object
 * @param {Function} callback a method that takes (previousValue, currentFeature, currentIndex)
 * @param {*} [initialValue] Value to use as the first argument to the first call of the callback.
 * @returns {*} The value that results from the reduction.
 * @example
 * var features = {
 *   "type": "FeatureCollection",
 *   "features": [
 *     {
 *       "type": "Feature",
 *       "properties": {"foo": "bar"},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [26, 37]
 *       }
 *     },
 *     {
 *       "type": "Feature",
 *       "properties": {"hello": "world"},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [36, 53]
 *       }
 *     }
 *   ]
 * };
 * turf.featureReduce(features, function (previousValue, currentFeature, currentIndex) {
 *   //=previousValue
 *   //=currentFeature
 *   //=currentIndex
 *   return currentFeature
 * });
 */
function featureReduce(layer, callback, initialValue) {
    var previousValue = initialValue;
    featureEach(layer, function (currentFeature, currentIndex) {
        if (currentIndex === 0 && initialValue === undefined) {
            previousValue = currentFeature;
        } else {
            previousValue = callback(previousValue, currentFeature, currentIndex);
        }
    });
    return previousValue;
}

/**
 * Get all coordinates from any GeoJSON object.
 *
 * @name coordAll
 * @param {Object} layer any GeoJSON object
 * @returns {Array<Array<number>>} coordinate position array
 * @example
 * var features = {
 *   "type": "FeatureCollection",
 *   "features": [
 *     {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [26, 37]
 *       }
 *     },
 *     {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [36, 53]
 *       }
 *     }
 *   ]
 * };
 * var coords = turf.coordAll(features);
 * //=coords
 */
function coordAll(layer) {
    var coords = [];
    coordEach(layer, function (coord) {
        coords.push(coord);
    });
    return coords;
}

/**
 * Iterate over each geometry in any GeoJSON object, similar to Array.forEach()
 *
 * @name geomEach
 * @param {Object} layer any GeoJSON object
 * @param {Function} callback a method that takes (currentGeometry, currentIndex)
 * @example
 * var features = {
 *   "type": "FeatureCollection",
 *   "features": [
 *     {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [26, 37]
 *       }
 *     },
 *     {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [36, 53]
 *       }
 *     }
 *   ]
 * };
 * turf.geomEach(features, function (currentGeometry, currentIndex) {
 *   //=currentGeometry
 *   //=currentIndex
 * });
 */
function geomEach(layer, callback) {
    var i, j, g, geometry, stopG,
        geometryMaybeCollection,
        isGeometryCollection,
        currentIndex = 0,
        isFeatureCollection = layer.type === 'FeatureCollection',
        isFeature = layer.type === 'Feature',
        stop = isFeatureCollection ? layer.features.length : 1;

  // This logic may look a little weird. The reason why it is that way
  // is because it's trying to be fast. GeoJSON supports multiple kinds
  // of objects at its root: FeatureCollection, Features, Geometries.
  // This function has the responsibility of handling all of them, and that
  // means that some of the `for` loops you see below actually just don't apply
  // to certain inputs. For instance, if you give this just a
  // Point geometry, then both loops are short-circuited and all we do
  // is gradually rename the input until it's called 'geometry'.
  //
  // This also aims to allocate as few resources as possible: just a
  // few numbers and booleans, rather than any temporary arrays as would
  // be required with the normalization approach.
    for (i = 0; i < stop; i++) {

        geometryMaybeCollection = (isFeatureCollection ? layer.features[i].geometry :
        (isFeature ? layer.geometry : layer));
        isGeometryCollection = geometryMaybeCollection.type === 'GeometryCollection';
        stopG = isGeometryCollection ? geometryMaybeCollection.geometries.length : 1;

        for (g = 0; g < stopG; g++) {
            geometry = isGeometryCollection ?
            geometryMaybeCollection.geometries[g] : geometryMaybeCollection;

            if (geometry.type === 'Point' ||
                geometry.type === 'LineString' ||
                geometry.type === 'MultiPoint' ||
                geometry.type === 'Polygon' ||
                geometry.type === 'MultiLineString' ||
                geometry.type === 'MultiPolygon') {
                callback(geometry, currentIndex);
                currentIndex++;
            } else if (geometry.type === 'GeometryCollection') {
                for (j = 0; j < geometry.geometries.length; j++) {
                    callback(geometry.geometries[j], currentIndex);
                    currentIndex++;
                }
            } else {
                throw new Error('Unknown Geometry Type');
            }
        }
    }
}

/**
 * Callback for geomReduce
 *
 * The first time the callback function is called, the values provided as arguments depend
 * on whether the reduce method has an initialValue argument.
 *
 * If an initialValue is provided to the reduce method:
 *  - The previousValue argument is initialValue.
 *  - The currentValue argument is the value of the first element present in the array.
 *
 * If an initialValue is not provided:
 *  - The previousValue argument is the value of the first element present in the array.
 *  - The currentValue argument is the value of the second element present in the array.
 *
 * @private
 * @callback geomReduceCallback
 * @param {*} previousValue The accumulated value previously returned in the last invocation
 * of the callback, or initialValue, if supplied.
 * @param {*} currentGeometry The current Feature being processed.
 * @param {number} currentIndex The index of the current element being processed in the
 * array.Starts at index 0, if an initialValue is provided, and at index 1 otherwise.
 */

/**
 * Reduce geometry in any GeoJSON object, similar to Array.reduce().
 *
 * @name geomReduce
 * @param {Object} layer any GeoJSON object
 * @param {Function} callback a method that takes (previousValue, currentGeometry, currentIndex)
 * @param {*} [initialValue] Value to use as the first argument to the first call of the callback.
 * @returns {*} The value that results from the reduction.
 * @example
 * var features = {
 *   "type": "FeatureCollection",
 *   "features": [
 *     {
 *       "type": "Feature",
 *       "properties": {"foo": "bar"},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [26, 37]
 *       }
 *     },
 *     {
 *       "type": "Feature",
 *       "properties": {"hello": "world"},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [36, 53]
 *       }
 *     }
 *   ]
 * };
 * turf.geomReduce(features, function (previousValue, currentGeometry, currentIndex) {
 *   //=previousValue
 *   //=currentGeometry
 *   //=currentIndex
 *   return currentGeometry
 * });
 */
function geomReduce(layer, callback, initialValue) {
    var previousValue = initialValue;
    geomEach(layer, function (currentGeometry, currentIndex) {
        if (currentIndex === 0 && initialValue === undefined) {
            previousValue = currentGeometry;
        } else {
            previousValue = callback(previousValue, currentGeometry, currentIndex);
        }
    });
    return previousValue;
}

module.exports = {
    coordEach: coordEach,
    coordReduce: coordReduce,
    propEach: propEach,
    propReduce: propReduce,
    featureEach: featureEach,
    featureReduce: featureReduce,
    coordAll: coordAll,
    geomEach: geomEach,
    geomReduce: geomReduce
};

},{}],21:[function(require,module,exports){
'use strict';

var meta = require('@turf/meta');
var invariant = require('@turf/invariant');
var helpers = require('@turf/helpers');

/**
 * https://github.com/rook2pawn/node-intersection
 *
 * Author @rook2pawn
 */

/**
 * AB
 *
 * @private
 * @param {Array<Array<number>>} segment - 2 vertex line segment
 * @returns {Array<number>} coordinates [x, y]
 */
function ab(segment) {
    var start = segment[0];
    var end = segment[1];
    return [end[0] - start[0], end[1] - start[1]];
}

/**
 * Cross Product
 *
 * @private
 * @param {Array<number>} v1 coordinates [x, y]
 * @param {Array<number>} v2 coordinates [x, y]
 * @returns {Array<number>} Cross Product
 */
function crossProduct(v1, v2) {
    return (v1[0] * v2[1]) - (v2[0] * v1[1]);
}

/**
 * Add
 *
 * @private
 * @param {Array<number>} v1 coordinates [x, y]
 * @param {Array<number>} v2 coordinates [x, y]
 * @returns {Array<number>} Add
 */
function add(v1, v2) {
    return [v1[0] + v2[0], v1[1] + v2[1]];
}

/**
 * Sub
 *
 * @private
 * @param {Array<number>} v1 coordinates [x, y]
 * @param {Array<number>} v2 coordinates [x, y]
 * @returns {Array<number>} Sub
 */
function sub(v1, v2) {
    return [v1[0] - v2[0], v1[1] - v2[1]];
}

/**
 * scalarMult
 *
 * @private
 * @param {number} s scalar
 * @param {Array<number>} v coordinates [x, y]
 * @returns {Array<number>} scalarMult
 */
function scalarMult(s, v) {
    return [s * v[0], s * v[1]];
}

/**
 * Intersect Segments
 *
 * @private
 * @param {Array<number>} a coordinates [x, y]
 * @param {Array<number>} b coordinates [x, y]
 * @returns {Array<number>} intersection
 */
function intersectSegments(a, b) {
    var p = a[0];
    var r = ab(a);
    var q = b[0];
    var s = ab(b);

    var cross = crossProduct(r, s);
    var qmp = sub(q, p);
    var numerator = crossProduct(qmp, s);
    var t = numerator / cross;
    var intersection = add(p, scalarMult(t, r));
    return intersection;
}

/**
 * Is Parallel
 *
 * @private
 * @param {Array<number>} a coordinates [x, y]
 * @param {Array<number>} b coordinates [x, y]
 * @returns {boolean} true if a and b are parallel (or co-linear)
 */
function isParallel(a, b) {
    var r = ab(a);
    var s = ab(b);
    return (crossProduct(r, s) === 0);
}

/**
 * Intersection
 *
 * @private
 * @param {Array<number>} a coordinates [x, y]
 * @param {Array<number>} b coordinates [x, y]
 * @returns {Array<number>|boolean} true if a and b are parallel (or co-linear)
 */
function intersection(a, b) {
    if (isParallel(a, b)) return false;
    return intersectSegments(a, b);
}

/**
 * Takes a {@link LineString|line} and returns a {@link LineString|line} at offset by the specified distance.
 *
 * @name lineOffset
 * @param {Geometry|Feature<LineString|MultiLineString>} geojson input GeoJSON
 * @param {number} distance distance to offset the line (can be of negative value)
 * @param {Object} [options={}] Optional parameters
 * @param {string} [options.units='kilometers'] can be degrees, radians, miles, kilometers, inches, yards, meters
 * @returns {Feature<LineString|MultiLineString>} Line offset from the input line
 * @example
 * var line = turf.lineString([[-83, 30], [-84, 36], [-78, 41]], { "stroke": "#F00" });
 *
 * var offsetLine = turf.lineOffset(line, 2, {units: 'miles'});
 *
 * //addToMap
 * var addToMap = [offsetLine, line]
 * offsetLine.properties.stroke = "#00F"
 */
function lineOffset(geojson, distance, options) {
    // Optional parameters
    options = options || {};
    if (!helpers.isObject(options)) throw new Error('options is invalid');
    var units = options.units;

    // Valdiation
    if (!geojson) throw new Error('geojson is required');
    if (distance === undefined || distance === null || isNaN(distance)) throw new Error('distance is required');

    var type = invariant.getType(geojson);
    var properties = geojson.properties;

    switch (type) {
    case 'LineString':
        return lineOffsetFeature(geojson, distance, units);
    case 'MultiLineString':
        var coords = [];
        meta.flattenEach(geojson, function (feature) {
            coords.push(lineOffsetFeature(feature, distance, units).geometry.coordinates);
        });
        return helpers.multiLineString(coords, properties);
    default:
        throw new Error('geometry ' + type + ' is not supported');
    }
}

/**
 * Line Offset
 *
 * @private
 * @param {Geometry|Feature<LineString>} line input line
 * @param {number} distance distance to offset the line (can be of negative value)
 * @param {string} [units=kilometers] units
 * @returns {Feature<LineString>} Line offset from the input line
 */
function lineOffsetFeature(line, distance, units) {
    var segments = [];
    var offsetDegrees = helpers.lengthToDegrees(distance, units);
    var coords = invariant.getCoords(line);
    var finalCoords = [];
    coords.forEach(function (currentCoords, index) {
        if (index !== coords.length - 1) {
            var segment = processSegment(currentCoords, coords[index + 1], offsetDegrees);
            segments.push(segment);
            if (index > 0) {
                var seg2Coords = segments[index - 1];
                var intersects = intersection(segment, seg2Coords);

                // Handling for line segments that aren't straight
                if (intersects !== false) {
                    seg2Coords[1] = intersects;
                    segment[0] = intersects;
                }

                finalCoords.push(seg2Coords[0]);
                if (index === coords.length - 2) {
                    finalCoords.push(segment[0]);
                    finalCoords.push(segment[1]);
                }
            }
            // Handling for lines that only have 1 segment
            if (coords.length === 2) {
                finalCoords.push(segment[0]);
                finalCoords.push(segment[1]);
            }
        }
    });
    return helpers.lineString(finalCoords, line.properties);
}

/**
 * Process Segment
 * Inspiration taken from http://stackoverflow.com/questions/2825412/draw-a-parallel-line
 *
 * @private
 * @param {Array<number>} point1 Point coordinates
 * @param {Array<number>} point2 Point coordinates
 * @param {number} offset Offset
 * @returns {Array<Array<number>>} offset points
 */
function processSegment(point1, point2, offset) {
    var L = Math.sqrt((point1[0] - point2[0]) * (point1[0] - point2[0]) + (point1[1] - point2[1]) * (point1[1] - point2[1]));

    var out1x = point1[0] + offset * (point2[1] - point1[1]) / L;
    var out2x = point2[0] + offset * (point2[1] - point1[1]) / L;
    var out1y = point1[1] + offset * (point1[0] - point2[0]) / L;
    var out2y = point2[1] + offset * (point1[0] - point2[0]) / L;
    return [[out1x, out1y], [out2x, out2y]];
}

module.exports = lineOffset;
module.exports.default = lineOffset;

},{"@turf/helpers":14,"@turf/invariant":16,"@turf/meta":28}],22:[function(require,module,exports){
var flatten = require('@turf/flatten');
var featureEach = require('@turf/meta').featureEach;
var lineString = require('@turf/helpers').lineString;
var featureCollection = require('@turf/helpers').featureCollection;
var getCoords = require('@turf/invariant').getCoords;

/**
 * Creates a {@link FeatureCollection} of 2-vertex {@link LineString} segments from a {@link LineString}, {@link MultiLineString}, {@link MultiPolygon} or {@link Polygon}.
 *
 * @name lineSegment
 * @param {FeatureCollection|Feature<LineString|MultiLineString|MultiPolygon|Polygon>} geojson GeoJSON Polygon or LineString
 * @returns {FeatureCollection<LineString>} 2-vertex line segments
 * @example
 * var polygon = {
 *   "type": "Feature",
 *   "properties": {},
 *   "geometry": {
 *     "type": "Polygon",
 *     "coordinates": [[[-50, 5], [-40, -10], [-50, -10], [-40, 5], [-50, 5]]]
 *   }
 * }
 * var segments = turf.lineSegment(polygon);
 * //=segments
 */
module.exports = function (geojson) {
    var results = [];
    var index = 0;
    featureEach(geojson, function (multiFeature) {
        featureEach(flatten(multiFeature), function (feature) {
            var coords = [];
            var type = (feature.geometry) ? feature.geometry.type : feature.type;
            switch (type) {
            case 'Polygon':
                coords = getCoords(feature);
                break;
            case 'LineString':
                coords = [getCoords(feature)];
            }
            coords.forEach(function (coord) {
                var segments = createSegments(coord, feature.properties);
                segments.forEach(function (segment) {
                    segment.id = index;
                    results.push(segment);
                    index++;
                });
            });
        });
    });
    return featureCollection(results);
};

/**
 * Create Segments from LineString coordinates
 *
 * @private
 * @param {LineString} coords LineString coordinates
 * @param {*} properties GeoJSON properties
 * @returns {Array<Feature<LineString>>} line segments
 */
function createSegments(coords, properties) {
    var segments = [];
    coords.reduce(function (previousCoords, currentCoords) {
        var segment = lineString([previousCoords, currentCoords], properties);
        segment.bbox = bbox(previousCoords, currentCoords);
        segments.push(segment);
        return currentCoords;
    });
    return segments;
}

/**
 * Create BBox between two coordinates (faster than @turf/bbox)
 *
 * @private
 * @param {[number, number]} coords1 Point coordinate
 * @param {[number, number]} coords2 Point coordinate
 * @returns {BBox} [west, south, east, north]
 */
function bbox(coords1, coords2) {
    var x1 = coords1[0];
    var y1 = coords1[1];
    var x2 = coords2[0];
    var y2 = coords2[1];
    var west = (x1 < x2) ? x1 : x2;
    var south = (y1 < y2) ? y1 : y2;
    var east = (x1 > x2) ? x1 : x2;
    var north = (y1 > y2) ? y1 : y2;
    return [west, south, east, north];
}

},{"@turf/flatten":23,"@turf/helpers":24,"@turf/invariant":25,"@turf/meta":26}],23:[function(require,module,exports){
var featureEach = require('@turf/meta').featureEach;
var geomEach = require('@turf/meta').geomEach;
var getCoords = require('@turf/invariant').getCoords;
var helpers = require('@turf/helpers');
var point = helpers.point;
var lineString = helpers.lineString;
var polygon = helpers.polygon;
var featureCollection = helpers.featureCollection;

/**
 * Flattens any {@link GeoJSON} to a {@link FeatureCollection} inspired by [geojson-flatten](https://github.com/tmcw/geojson-flatten).
 *
 * @name flatten
 * @param {Feature} geojson any valid {@link GeoJSON} with multi-geometry {@link Feature}s
 * @returns {FeatureCollection} a flattened {@link FeatureCollection}
 * @example
 * var geometry = {
 *   "type": "MultiPolygon",
 *   "coordinates": [
 *     [[[102.0, 2.0], [103.0, 2.0], [103.0, 3.0], [102.0, 3.0], [102.0, 2.0]]],
 *      [[[100.0, 0.0], [101.0, 0.0], [101.0, 1.0], [100.0, 1.0], [100.0, 0.0]],
 *      [[100.2, 0.2], [100.8, 0.2], [100.8, 0.8], [100.2, 0.8], [100.2, 0.2]]]
 *    ]
 *  };
 *
 * var flattened = turf.flatten(geometry);
 *
 * //=flattened
 */
function flatten(geojson) {
    var type = (geojson.geometry) ? geojson.geometry.type : geojson.type;
    switch (type) {
    case 'MultiPoint':
        return flattenMultiPoint(geojson);
    case 'MultiPolygon':
        return flattenMultiPolygon(geojson);
    case 'MultiLineString':
        return flattenMultiLineString(geojson);
    case 'FeatureCollection':
        return flattenFeatureCollection(geojson);
    case 'GeometryCollection':
        return flattenGeometryCollection(geojson);
    case 'Point':
    case 'LineString':
    case 'Polygon':
        return featureCollection([geojson]);
    }
}
module.exports = flatten;

/**
 * Flatten MultiPoint
 *
 * @private
 * @param {Feature<MultiPoint>} geojson GeoJSON Feature
 * @returns {FeatureCollection<Point>} Feature Collection
 */
function flattenMultiPoint(geojson) {
    var points = [];
    getCoords(geojson).forEach(function (coords) {
        points.push(point(coords, geojson.properties));
    });
    return featureCollection(points);
}

/**
 * Flatten MultiLineString
 *
 * @private
 * @param {Feature<MultiLineString>} geojson GeoJSON Feature
 * @returns {FeatureCollection<LineString>} Feature Collection
 */
function flattenMultiLineString(geojson) {
    var lines = [];
    getCoords(geojson).forEach(function (coords) {
        lines.push(lineString(coords, geojson.properties));
    });
    return featureCollection(lines);
}

/**
 * Flatten MultiPolygon
 *
 * @private
 * @param {Feature<MultiPolygon>} geojson GeoJSON Feature
 * @returns {FeatureCollection<Polygon>} Feature Collection
 */
function flattenMultiPolygon(geojson) {
    var polygons = [];
    getCoords(geojson).forEach(function (coords) {
        polygons.push(polygon(coords, geojson.properties));
    });
    return featureCollection(polygons);
}

/**
 * Flatten FeatureCollection
 *
 * @private
 * @param {FeatureCollection<any>} geojson GeoJSON Feature
 * @returns {FeatureCollection<any>} Feature Collection
 */
function flattenFeatureCollection(geojson) {
    var features = [];
    featureEach(geojson, function (multiFeature) {
        switch (multiFeature.geometry.type) {
        case 'MultiPoint':
        case 'MultiLineString':
        case 'MultiPolygon':
            featureEach(flatten(multiFeature), function (feature) {
                features.push(feature);
            });
            break;
        default:
            features.push(multiFeature);
        }
    });
    return featureCollection(features);
}

/**
 * Flatten GeometryCollection
 *
 * @private
 * @param {GeometryCollection<any>} geojson GeoJSON Geometry Collection
 * @param {*} [properties] translate properties to Feature
 * @returns {FeatureCollection<any>} Feature Collection
 */
function flattenGeometryCollection(geojson) {
    var features = [];
    geomEach(geojson, function (geometry) {
        switch (geometry.type) {
        case 'MultiPoint':
        case 'MultiLineString':
        case 'MultiPolygon':
            featureEach(flatten(geometry), function (feature) {
                features.push(feature);
            });
            break;
        default:
            var feature = {
                type: 'Feature',
                properties: {},
                geometry: geometry
            };
            features.push(feature);
        }
    });
    return featureCollection(features);
}

},{"@turf/helpers":24,"@turf/invariant":25,"@turf/meta":26}],24:[function(require,module,exports){
arguments[4][4][0].apply(exports,arguments)
},{"dup":4}],25:[function(require,module,exports){
arguments[4][5][0].apply(exports,arguments)
},{"dup":5}],26:[function(require,module,exports){
arguments[4][20][0].apply(exports,arguments)
},{"dup":20}],27:[function(require,module,exports){
var featureEach = require('@turf/meta').featureEach;
var rbush = require('rbush');
var turfBBox = require('@turf/bbox');
var helpers = require('@turf/helpers');
var union = require('@turf/union');

/**
 * Takes any type of {@link Polygon|polygon} and an optional mask and returns a {@link Polygon|polygon} exterior ring with holes.
 *
 * @name mask
 * @param {FeatureCollection|Feature<Polygon|MultiPolygon>} polygon GeoJSON Polygon used as interior rings or holes.
 * @param {Feature<Polygon>} [mask] GeoJSON Polygon used as the exterior ring (if undefined, the world extent is used)
 * @return {Feature<Polygon>} Masked Polygon (exterior ring with holes).
 * @addToMap masked
 * @example
 * var polygon = {
 *   "type": "Feature",
 *   "properties": {},
 *   "geometry": {
 *     "type": "Polygon",
 *     "coordinates": [[[112, -21], [116, -36], [146, -39], [153, -24], [133, -10], [112, -21]]]
 *   }
 * }
 * var mask = {
 *   "type": "Feature",
 *   "properties": {},
 *   "geometry": {
 *     "type": "Polygon",
 *     "coordinates": [[[90, -55], [170, -55], [170, 10], [90, 10], [90, -55]]]
 *   }
 * }
 * var masked = turf.mask(polygon, mask);
 * //=masked
 */
module.exports = function (polygon, mask) {
    // Define mask
    var maskPolygon = createMask(mask);

    // Define polygon
    var separated = separatePolygons(polygon);
    var polygonOuters = separated[0];
    var polygonInners = separated[1];

    // Union Outers & Inners
    polygonOuters = unionPolygons(polygonOuters);
    polygonInners = unionPolygons(polygonInners);

    // Create masked area
    var masked = buildMask(maskPolygon, polygonOuters, polygonInners);
    return masked;
};

/**
 * Build Mask
 *
 * @private
 * @param {Feature<Polygon>} maskPolygon Mask Outer
 * @param {FeatureCollection<Polygon>} polygonOuters Polygon Outers
 * @param {FeatureCollection<Polygon>} polygonInners Polygon Inners
 * @returns {Feature<Polygon>} Feature Polygon
 */
function buildMask(maskPolygon, polygonOuters, polygonInners) {
    var coordinates = [];
    coordinates.push(maskPolygon.geometry.coordinates[0]);

    featureEach(polygonOuters, function (feature) {
        coordinates.push(feature.geometry.coordinates[0]);
    });

    featureEach(polygonInners, function (feature) {
        coordinates.push(feature.geometry.coordinates[0]);
    });
    return helpers.polygon(coordinates);
}

/**
 * Separate Polygons to inners & outers
 *
 * @private
 * @param {FeatureCollection|Feature<Polygon|MultiPolygon>} polygon GeoJSON Feature
 * @returns {Array<FeatureCollection<Polygon>, FeatureCollection<Polygon>>} Outer & Inner lines
 */
function separatePolygons(polygon) {
    var outers = [];
    var inners = [];
    featureEach(polygon, function (multiFeature) {
        if (multiFeature.geometry.type === 'MultiPolygon') {
            multiFeature = flattenMultiPolygon(multiFeature);
        }
        featureEach(multiFeature, function (feature) {
            var coordinates = feature.geometry.coordinates;
            var featureOuter = coordinates[0];
            var featureInner = coordinates.slice(1);
            outers.push(helpers.polygon([featureOuter]));
            featureInner.forEach(function (inner) {
                inners.push(helpers.polygon([inner]));
            });
        });
    });
    return [helpers.featureCollection(outers), helpers.featureCollection(inners)];
}

/**
 * Flatten MultiPolygon
 *
 * @private
 * @param {Feature<MultiPolygon>} multiPolygon GeoJSON Feature
 * @returns {FeatureCollection<Polygon>} Feature Collection
 */
function flattenMultiPolygon(multiPolygon) {
    var polygons = [];
    multiPolygon.geometry.coordinates.forEach(function (coordinates) {
        polygons.push(helpers.polygon(coordinates));
    });
    return helpers.featureCollection(polygons);
}

/**
 * Create Mask Coordinates
 *
 * @private
 * @param {Feature<Polygon>} [mask] default to world if undefined
 * @returns {Feature<Polygon>} mask coordinate
 */
function createMask(mask) {
    var world = [[[180, 90], [-180, 90], [-180, -90], [180, -90], [180, 90]]];
    var coordinates = mask && mask.geometry.coordinates || world;
    return helpers.polygon(coordinates);
}

/**
 * Union Polygons
 *
 * @private
 * @param {FeatureCollection<Polygon>} polygons collection of polygons
 * @returns {FeatureCollection<Polygon>} polygons only apply union if they collide
 */
function unionPolygons(polygons) {
    if (polygons.features.length <= 1) return polygons;

    var tree = createIndex(polygons);
    var results = [];
    var removed = {};

    featureEach(polygons, function (currentFeature, currentIndex) {
        // Exclude any removed features
        if (removed[currentIndex]) return true;

        // Don't search for itself
        tree.remove({index: currentIndex}, filterByIndex);
        removed[currentIndex] = true;

        // Keep applying the union operation until no more overlapping features
        while (true) {
            var bbox = turfBBox(currentFeature);
            var search = tree.search({
                minX: bbox[0],
                minY: bbox[1],
                maxX: bbox[2],
                maxY: bbox[3]
            });
            if (search.length > 0) {
                var polys = search.map(function (item) {
                    removed[item.index] = true;
                    tree.remove({index: item.index}, filterByIndex);
                    return item.geojson;
                });
                polys.push(currentFeature);
                currentFeature = union.apply(this, polys);
            }
            // Done
            if (search.length === 0) break;
        }
        results.push(currentFeature);
    });

    return helpers.featureCollection(results);
}

/**
 * Filter by Index - RBush helper function
 *
 * @private
 * @param {Object} a remove item
 * @param {Object} b search item
 * @returns {boolean} true if matches
 */
function filterByIndex(a, b) {
    return a.index === b.index;
}

/**
 * Create RBush Tree Index
 *
 * @private
 * @param {FeatureCollection<any>} features GeoJSON FeatureCollection
 * @returns {RBush} RBush Tree
 */
function createIndex(features) {
    var tree = rbush();
    var load = [];
    featureEach(features, function (feature, index) {
        var bbox = turfBBox(feature);
        load.push({
            minX: bbox[0],
            minY: bbox[1],
            maxX: bbox[2],
            maxY: bbox[3],
            geojson: feature,
            index: index
        });
    });
    tree.load(load);
    return tree;
}

},{"@turf/bbox":6,"@turf/helpers":14,"@turf/meta":28,"@turf/union":33,"rbush":47}],28:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var helpers = require('@turf/helpers');

/**
 * Callback for coordEach
 *
 * @callback coordEachCallback
 * @param {Array<number>} currentCoord The current coordinate being processed.
 * @param {number} coordIndex The current index of the coordinate being processed.
 * @param {number} featureIndex The current index of the Feature being processed.
 * @param {number} multiFeatureIndex The current index of the Multi-Feature being processed.
 * @param {number} geometryIndex The current index of the Geometry being processed.
 */

/**
 * Iterate over coordinates in any GeoJSON object, similar to Array.forEach()
 *
 * @name coordEach
 * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object
 * @param {Function} callback a method that takes (currentCoord, coordIndex, featureIndex, multiFeatureIndex)
 * @param {boolean} [excludeWrapCoord=false] whether or not to include the final coordinate of LinearRings that wraps the ring in its iteration.
 * @returns {void}
 * @example
 * var features = turf.featureCollection([
 *   turf.point([26, 37], {"foo": "bar"}),
 *   turf.point([36, 53], {"hello": "world"})
 * ]);
 *
 * turf.coordEach(features, function (currentCoord, coordIndex, featureIndex, multiFeatureIndex, geometryIndex) {
 *   //=currentCoord
 *   //=coordIndex
 *   //=featureIndex
 *   //=multiFeatureIndex
 *   //=geometryIndex
 * });
 */
function coordEach(geojson, callback, excludeWrapCoord) {
    // Handles null Geometry -- Skips this GeoJSON
    if (geojson === null) return;
    var j, k, l, geometry, stopG, coords,
        geometryMaybeCollection,
        wrapShrink = 0,
        coordIndex = 0,
        isGeometryCollection,
        type = geojson.type,
        isFeatureCollection = type === 'FeatureCollection',
        isFeature = type === 'Feature',
        stop = isFeatureCollection ? geojson.features.length : 1;

    // This logic may look a little weird. The reason why it is that way
    // is because it's trying to be fast. GeoJSON supports multiple kinds
    // of objects at its root: FeatureCollection, Features, Geometries.
    // This function has the responsibility of handling all of them, and that
    // means that some of the `for` loops you see below actually just don't apply
    // to certain inputs. For instance, if you give this just a
    // Point geometry, then both loops are short-circuited and all we do
    // is gradually rename the input until it's called 'geometry'.
    //
    // This also aims to allocate as few resources as possible: just a
    // few numbers and booleans, rather than any temporary arrays as would
    // be required with the normalization approach.
    for (var featureIndex = 0; featureIndex < stop; featureIndex++) {
        geometryMaybeCollection = (isFeatureCollection ? geojson.features[featureIndex].geometry :
            (isFeature ? geojson.geometry : geojson));
        isGeometryCollection = (geometryMaybeCollection) ? geometryMaybeCollection.type === 'GeometryCollection' : false;
        stopG = isGeometryCollection ? geometryMaybeCollection.geometries.length : 1;

        for (var geomIndex = 0; geomIndex < stopG; geomIndex++) {
            var multiFeatureIndex = 0;
            var geometryIndex = 0;
            geometry = isGeometryCollection ?
                geometryMaybeCollection.geometries[geomIndex] : geometryMaybeCollection;

            // Handles null Geometry -- Skips this geometry
            if (geometry === null) continue;
            coords = geometry.coordinates;
            var geomType = geometry.type;

            wrapShrink = (excludeWrapCoord && (geomType === 'Polygon' || geomType === 'MultiPolygon')) ? 1 : 0;

            switch (geomType) {
            case null:
                break;
            case 'Point':
                if (callback(coords, coordIndex, featureIndex, multiFeatureIndex, geometryIndex) === false) return false;
                coordIndex++;
                multiFeatureIndex++;
                break;
            case 'LineString':
            case 'MultiPoint':
                for (j = 0; j < coords.length; j++) {
                    if (callback(coords[j], coordIndex, featureIndex, multiFeatureIndex, geometryIndex) === false) return false;
                    coordIndex++;
                    if (geomType === 'MultiPoint') multiFeatureIndex++;
                }
                if (geomType === 'LineString') multiFeatureIndex++;
                break;
            case 'Polygon':
            case 'MultiLineString':
                for (j = 0; j < coords.length; j++) {
                    for (k = 0; k < coords[j].length - wrapShrink; k++) {
                        if (callback(coords[j][k], coordIndex, featureIndex, multiFeatureIndex, geometryIndex) === false) return false;
                        coordIndex++;
                    }
                    if (geomType === 'MultiLineString') multiFeatureIndex++;
                    if (geomType === 'Polygon') geometryIndex++;
                }
                if (geomType === 'Polygon') multiFeatureIndex++;
                break;
            case 'MultiPolygon':
                for (j = 0; j < coords.length; j++) {
                    if (geomType === 'MultiPolygon') geometryIndex = 0;
                    for (k = 0; k < coords[j].length; k++) {
                        for (l = 0; l < coords[j][k].length - wrapShrink; l++) {
                            if (callback(coords[j][k][l], coordIndex, featureIndex, multiFeatureIndex, geometryIndex) === false) return false;
                            coordIndex++;
                        }
                        geometryIndex++;
                    }
                    multiFeatureIndex++;
                }
                break;
            case 'GeometryCollection':
                for (j = 0; j < geometry.geometries.length; j++)
                    if (coordEach(geometry.geometries[j], callback, excludeWrapCoord) === false) return false;
                break;
            default:
                throw new Error('Unknown Geometry Type');
            }
        }
    }
}

/**
 * Callback for coordReduce
 *
 * The first time the callback function is called, the values provided as arguments depend
 * on whether the reduce method has an initialValue argument.
 *
 * If an initialValue is provided to the reduce method:
 *  - The previousValue argument is initialValue.
 *  - The currentValue argument is the value of the first element present in the array.
 *
 * If an initialValue is not provided:
 *  - The previousValue argument is the value of the first element present in the array.
 *  - The currentValue argument is the value of the second element present in the array.
 *
 * @callback coordReduceCallback
 * @param {*} previousValue The accumulated value previously returned in the last invocation
 * of the callback, or initialValue, if supplied.
 * @param {Array<number>} currentCoord The current coordinate being processed.
 * @param {number} coordIndex The current index of the coordinate being processed.
 * Starts at index 0, if an initialValue is provided, and at index 1 otherwise.
 * @param {number} featureIndex The current index of the Feature being processed.
 * @param {number} multiFeatureIndex The current index of the Multi-Feature being processed.
 * @param {number} geometryIndex The current index of the Geometry being processed.
 */

/**
 * Reduce coordinates in any GeoJSON object, similar to Array.reduce()
 *
 * @name coordReduce
 * @param {FeatureCollection|Geometry|Feature} geojson any GeoJSON object
 * @param {Function} callback a method that takes (previousValue, currentCoord, coordIndex)
 * @param {*} [initialValue] Value to use as the first argument to the first call of the callback.
 * @param {boolean} [excludeWrapCoord=false] whether or not to include the final coordinate of LinearRings that wraps the ring in its iteration.
 * @returns {*} The value that results from the reduction.
 * @example
 * var features = turf.featureCollection([
 *   turf.point([26, 37], {"foo": "bar"}),
 *   turf.point([36, 53], {"hello": "world"})
 * ]);
 *
 * turf.coordReduce(features, function (previousValue, currentCoord, coordIndex, featureIndex, multiFeatureIndex, geometryIndex) {
 *   //=previousValue
 *   //=currentCoord
 *   //=coordIndex
 *   //=featureIndex
 *   //=multiFeatureIndex
 *   //=geometryIndex
 *   return currentCoord;
 * });
 */
function coordReduce(geojson, callback, initialValue, excludeWrapCoord) {
    var previousValue = initialValue;
    coordEach(geojson, function (currentCoord, coordIndex, featureIndex, multiFeatureIndex, geometryIndex) {
        if (coordIndex === 0 && initialValue === undefined) previousValue = currentCoord;
        else previousValue = callback(previousValue, currentCoord, coordIndex, featureIndex, multiFeatureIndex, geometryIndex);
    }, excludeWrapCoord);
    return previousValue;
}

/**
 * Callback for propEach
 *
 * @callback propEachCallback
 * @param {Object} currentProperties The current Properties being processed.
 * @param {number} featureIndex The current index of the Feature being processed.
 */

/**
 * Iterate over properties in any GeoJSON object, similar to Array.forEach()
 *
 * @name propEach
 * @param {FeatureCollection|Feature} geojson any GeoJSON object
 * @param {Function} callback a method that takes (currentProperties, featureIndex)
 * @returns {void}
 * @example
 * var features = turf.featureCollection([
 *     turf.point([26, 37], {foo: 'bar'}),
 *     turf.point([36, 53], {hello: 'world'})
 * ]);
 *
 * turf.propEach(features, function (currentProperties, featureIndex) {
 *   //=currentProperties
 *   //=featureIndex
 * });
 */
function propEach(geojson, callback) {
    var i;
    switch (geojson.type) {
    case 'FeatureCollection':
        for (i = 0; i < geojson.features.length; i++) {
            if (callback(geojson.features[i].properties, i) === false) break;
        }
        break;
    case 'Feature':
        callback(geojson.properties, 0);
        break;
    }
}


/**
 * Callback for propReduce
 *
 * The first time the callback function is called, the values provided as arguments depend
 * on whether the reduce method has an initialValue argument.
 *
 * If an initialValue is provided to the reduce method:
 *  - The previousValue argument is initialValue.
 *  - The currentValue argument is the value of the first element present in the array.
 *
 * If an initialValue is not provided:
 *  - The previousValue argument is the value of the first element present in the array.
 *  - The currentValue argument is the value of the second element present in the array.
 *
 * @callback propReduceCallback
 * @param {*} previousValue The accumulated value previously returned in the last invocation
 * of the callback, or initialValue, if supplied.
 * @param {*} currentProperties The current Properties being processed.
 * @param {number} featureIndex The current index of the Feature being processed.
 */

/**
 * Reduce properties in any GeoJSON object into a single value,
 * similar to how Array.reduce works. However, in this case we lazily run
 * the reduction, so an array of all properties is unnecessary.
 *
 * @name propReduce
 * @param {FeatureCollection|Feature} geojson any GeoJSON object
 * @param {Function} callback a method that takes (previousValue, currentProperties, featureIndex)
 * @param {*} [initialValue] Value to use as the first argument to the first call of the callback.
 * @returns {*} The value that results from the reduction.
 * @example
 * var features = turf.featureCollection([
 *     turf.point([26, 37], {foo: 'bar'}),
 *     turf.point([36, 53], {hello: 'world'})
 * ]);
 *
 * turf.propReduce(features, function (previousValue, currentProperties, featureIndex) {
 *   //=previousValue
 *   //=currentProperties
 *   //=featureIndex
 *   return currentProperties
 * });
 */
function propReduce(geojson, callback, initialValue) {
    var previousValue = initialValue;
    propEach(geojson, function (currentProperties, featureIndex) {
        if (featureIndex === 0 && initialValue === undefined) previousValue = currentProperties;
        else previousValue = callback(previousValue, currentProperties, featureIndex);
    });
    return previousValue;
}

/**
 * Callback for featureEach
 *
 * @callback featureEachCallback
 * @param {Feature<any>} currentFeature The current Feature being processed.
 * @param {number} featureIndex The current index of the Feature being processed.
 */

/**
 * Iterate over features in any GeoJSON object, similar to
 * Array.forEach.
 *
 * @name featureEach
 * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object
 * @param {Function} callback a method that takes (currentFeature, featureIndex)
 * @returns {void}
 * @example
 * var features = turf.featureCollection([
 *   turf.point([26, 37], {foo: 'bar'}),
 *   turf.point([36, 53], {hello: 'world'})
 * ]);
 *
 * turf.featureEach(features, function (currentFeature, featureIndex) {
 *   //=currentFeature
 *   //=featureIndex
 * });
 */
function featureEach(geojson, callback) {
    if (geojson.type === 'Feature') {
        callback(geojson, 0);
    } else if (geojson.type === 'FeatureCollection') {
        for (var i = 0; i < geojson.features.length; i++) {
            if (callback(geojson.features[i], i) === false) break;
        }
    }
}

/**
 * Callback for featureReduce
 *
 * The first time the callback function is called, the values provided as arguments depend
 * on whether the reduce method has an initialValue argument.
 *
 * If an initialValue is provided to the reduce method:
 *  - The previousValue argument is initialValue.
 *  - The currentValue argument is the value of the first element present in the array.
 *
 * If an initialValue is not provided:
 *  - The previousValue argument is the value of the first element present in the array.
 *  - The currentValue argument is the value of the second element present in the array.
 *
 * @callback featureReduceCallback
 * @param {*} previousValue The accumulated value previously returned in the last invocation
 * of the callback, or initialValue, if supplied.
 * @param {Feature} currentFeature The current Feature being processed.
 * @param {number} featureIndex The current index of the Feature being processed.
 */

/**
 * Reduce features in any GeoJSON object, similar to Array.reduce().
 *
 * @name featureReduce
 * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object
 * @param {Function} callback a method that takes (previousValue, currentFeature, featureIndex)
 * @param {*} [initialValue] Value to use as the first argument to the first call of the callback.
 * @returns {*} The value that results from the reduction.
 * @example
 * var features = turf.featureCollection([
 *   turf.point([26, 37], {"foo": "bar"}),
 *   turf.point([36, 53], {"hello": "world"})
 * ]);
 *
 * turf.featureReduce(features, function (previousValue, currentFeature, featureIndex) {
 *   //=previousValue
 *   //=currentFeature
 *   //=featureIndex
 *   return currentFeature
 * });
 */
function featureReduce(geojson, callback, initialValue) {
    var previousValue = initialValue;
    featureEach(geojson, function (currentFeature, featureIndex) {
        if (featureIndex === 0 && initialValue === undefined) previousValue = currentFeature;
        else previousValue = callback(previousValue, currentFeature, featureIndex);
    });
    return previousValue;
}

/**
 * Get all coordinates from any GeoJSON object.
 *
 * @name coordAll
 * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object
 * @returns {Array<Array<number>>} coordinate position array
 * @example
 * var features = turf.featureCollection([
 *   turf.point([26, 37], {foo: 'bar'}),
 *   turf.point([36, 53], {hello: 'world'})
 * ]);
 *
 * var coords = turf.coordAll(features);
 * //= [[26, 37], [36, 53]]
 */
function coordAll(geojson) {
    var coords = [];
    coordEach(geojson, function (coord) {
        coords.push(coord);
    });
    return coords;
}

/**
 * Callback for geomEach
 *
 * @callback geomEachCallback
 * @param {Geometry} currentGeometry The current Geometry being processed.
 * @param {number} featureIndex The current index of the Feature being processed.
 * @param {Object} featureProperties The current Feature Properties being processed.
 * @param {Array<number>} featureBBox The current Feature BBox being processed.
 * @param {number|string} featureId The current Feature Id being processed.
 */

/**
 * Iterate over each geometry in any GeoJSON object, similar to Array.forEach()
 *
 * @name geomEach
 * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object
 * @param {Function} callback a method that takes (currentGeometry, featureIndex, featureProperties, featureBBox, featureId)
 * @returns {void}
 * @example
 * var features = turf.featureCollection([
 *     turf.point([26, 37], {foo: 'bar'}),
 *     turf.point([36, 53], {hello: 'world'})
 * ]);
 *
 * turf.geomEach(features, function (currentGeometry, featureIndex, featureProperties, featureBBox, featureId) {
 *   //=currentGeometry
 *   //=featureIndex
 *   //=featureProperties
 *   //=featureBBox
 *   //=featureId
 * });
 */
function geomEach(geojson, callback) {
    var i, j, g, geometry, stopG,
        geometryMaybeCollection,
        isGeometryCollection,
        featureProperties,
        featureBBox,
        featureId,
        featureIndex = 0,
        isFeatureCollection = geojson.type === 'FeatureCollection',
        isFeature = geojson.type === 'Feature',
        stop = isFeatureCollection ? geojson.features.length : 1;

    // This logic may look a little weird. The reason why it is that way
    // is because it's trying to be fast. GeoJSON supports multiple kinds
    // of objects at its root: FeatureCollection, Features, Geometries.
    // This function has the responsibility of handling all of them, and that
    // means that some of the `for` loops you see below actually just don't apply
    // to certain inputs. For instance, if you give this just a
    // Point geometry, then both loops are short-circuited and all we do
    // is gradually rename the input until it's called 'geometry'.
    //
    // This also aims to allocate as few resources as possible: just a
    // few numbers and booleans, rather than any temporary arrays as would
    // be required with the normalization approach.
    for (i = 0; i < stop; i++) {

        geometryMaybeCollection = (isFeatureCollection ? geojson.features[i].geometry :
            (isFeature ? geojson.geometry : geojson));
        featureProperties = (isFeatureCollection ? geojson.features[i].properties :
            (isFeature ? geojson.properties : {}));
        featureBBox = (isFeatureCollection ? geojson.features[i].bbox :
            (isFeature ? geojson.bbox : undefined));
        featureId = (isFeatureCollection ? geojson.features[i].id :
            (isFeature ? geojson.id : undefined));
        isGeometryCollection = (geometryMaybeCollection) ? geometryMaybeCollection.type === 'GeometryCollection' : false;
        stopG = isGeometryCollection ? geometryMaybeCollection.geometries.length : 1;

        for (g = 0; g < stopG; g++) {
            geometry = isGeometryCollection ?
                geometryMaybeCollection.geometries[g] : geometryMaybeCollection;

            // Handle null Geometry
            if (geometry === null) {
                if (callback(null, featureIndex, featureProperties, featureBBox, featureId) === false) return false;
                continue;
            }
            switch (geometry.type) {
            case 'Point':
            case 'LineString':
            case 'MultiPoint':
            case 'Polygon':
            case 'MultiLineString':
            case 'MultiPolygon': {
                if (callback(geometry, featureIndex, featureProperties, featureBBox, featureId) === false) return false;
                break;
            }
            case 'GeometryCollection': {
                for (j = 0; j < geometry.geometries.length; j++) {
                    if (callback(geometry.geometries[j], featureIndex, featureProperties, featureBBox, featureId) === false) return false;
                }
                break;
            }
            default:
                throw new Error('Unknown Geometry Type');
            }
        }
        // Only increase `featureIndex` per each feature
        featureIndex++;
    }
}

/**
 * Callback for geomReduce
 *
 * The first time the callback function is called, the values provided as arguments depend
 * on whether the reduce method has an initialValue argument.
 *
 * If an initialValue is provided to the reduce method:
 *  - The previousValue argument is initialValue.
 *  - The currentValue argument is the value of the first element present in the array.
 *
 * If an initialValue is not provided:
 *  - The previousValue argument is the value of the first element present in the array.
 *  - The currentValue argument is the value of the second element present in the array.
 *
 * @callback geomReduceCallback
 * @param {*} previousValue The accumulated value previously returned in the last invocation
 * of the callback, or initialValue, if supplied.
 * @param {Geometry} currentGeometry The current Geometry being processed.
 * @param {number} featureIndex The current index of the Feature being processed.
 * @param {Object} featureProperties The current Feature Properties being processed.
 * @param {Array<number>} featureBBox The current Feature BBox being processed.
 * @param {number|string} featureId The current Feature Id being processed.
 */

/**
 * Reduce geometry in any GeoJSON object, similar to Array.reduce().
 *
 * @name geomReduce
 * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object
 * @param {Function} callback a method that takes (previousValue, currentGeometry, featureIndex, featureProperties, featureBBox, featureId)
 * @param {*} [initialValue] Value to use as the first argument to the first call of the callback.
 * @returns {*} The value that results from the reduction.
 * @example
 * var features = turf.featureCollection([
 *     turf.point([26, 37], {foo: 'bar'}),
 *     turf.point([36, 53], {hello: 'world'})
 * ]);
 *
 * turf.geomReduce(features, function (previousValue, currentGeometry, featureIndex, featureProperties, featureBBox, featureId) {
 *   //=previousValue
 *   //=currentGeometry
 *   //=featureIndex
 *   //=featureProperties
 *   //=featureBBox
 *   //=featureId
 *   return currentGeometry
 * });
 */
function geomReduce(geojson, callback, initialValue) {
    var previousValue = initialValue;
    geomEach(geojson, function (currentGeometry, featureIndex, featureProperties, featureBBox, featureId) {
        if (featureIndex === 0 && initialValue === undefined) previousValue = currentGeometry;
        else previousValue = callback(previousValue, currentGeometry, featureIndex, featureProperties, featureBBox, featureId);
    });
    return previousValue;
}

/**
 * Callback for flattenEach
 *
 * @callback flattenEachCallback
 * @param {Feature} currentFeature The current flattened feature being processed.
 * @param {number} featureIndex The current index of the Feature being processed.
 * @param {number} multiFeatureIndex The current index of the Multi-Feature being processed.
 */

/**
 * Iterate over flattened features in any GeoJSON object, similar to
 * Array.forEach.
 *
 * @name flattenEach
 * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object
 * @param {Function} callback a method that takes (currentFeature, featureIndex, multiFeatureIndex)
 * @example
 * var features = turf.featureCollection([
 *     turf.point([26, 37], {foo: 'bar'}),
 *     turf.multiPoint([[40, 30], [36, 53]], {hello: 'world'})
 * ]);
 *
 * turf.flattenEach(features, function (currentFeature, featureIndex, multiFeatureIndex) {
 *   //=currentFeature
 *   //=featureIndex
 *   //=multiFeatureIndex
 * });
 */
function flattenEach(geojson, callback) {
    geomEach(geojson, function (geometry, featureIndex, properties, bbox, id) {
        // Callback for single geometry
        var type = (geometry === null) ? null : geometry.type;
        switch (type) {
        case null:
        case 'Point':
        case 'LineString':
        case 'Polygon':
            if (callback(helpers.feature(geometry, properties, {bbox: bbox, id: id}), featureIndex, 0) === false) return false;
            return;
        }

        var geomType;

        // Callback for multi-geometry
        switch (type) {
        case 'MultiPoint':
            geomType = 'Point';
            break;
        case 'MultiLineString':
            geomType = 'LineString';
            break;
        case 'MultiPolygon':
            geomType = 'Polygon';
            break;
        }

        for (var multiFeatureIndex = 0; multiFeatureIndex < geometry.coordinates.length; multiFeatureIndex++) {
            var coordinate = geometry.coordinates[multiFeatureIndex];
            var geom = {
                type: geomType,
                coordinates: coordinate
            };
            if (callback(helpers.feature(geom, properties), featureIndex, multiFeatureIndex) === false) return false;
        }
    });
}

/**
 * Callback for flattenReduce
 *
 * The first time the callback function is called, the values provided as arguments depend
 * on whether the reduce method has an initialValue argument.
 *
 * If an initialValue is provided to the reduce method:
 *  - The previousValue argument is initialValue.
 *  - The currentValue argument is the value of the first element present in the array.
 *
 * If an initialValue is not provided:
 *  - The previousValue argument is the value of the first element present in the array.
 *  - The currentValue argument is the value of the second element present in the array.
 *
 * @callback flattenReduceCallback
 * @param {*} previousValue The accumulated value previously returned in the last invocation
 * of the callback, or initialValue, if supplied.
 * @param {Feature} currentFeature The current Feature being processed.
 * @param {number} featureIndex The current index of the Feature being processed.
 * @param {number} multiFeatureIndex The current index of the Multi-Feature being processed.
 */

/**
 * Reduce flattened features in any GeoJSON object, similar to Array.reduce().
 *
 * @name flattenReduce
 * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object
 * @param {Function} callback a method that takes (previousValue, currentFeature, featureIndex, multiFeatureIndex)
 * @param {*} [initialValue] Value to use as the first argument to the first call of the callback.
 * @returns {*} The value that results from the reduction.
 * @example
 * var features = turf.featureCollection([
 *     turf.point([26, 37], {foo: 'bar'}),
 *     turf.multiPoint([[40, 30], [36, 53]], {hello: 'world'})
 * ]);
 *
 * turf.flattenReduce(features, function (previousValue, currentFeature, featureIndex, multiFeatureIndex) {
 *   //=previousValue
 *   //=currentFeature
 *   //=featureIndex
 *   //=multiFeatureIndex
 *   return currentFeature
 * });
 */
function flattenReduce(geojson, callback, initialValue) {
    var previousValue = initialValue;
    flattenEach(geojson, function (currentFeature, featureIndex, multiFeatureIndex) {
        if (featureIndex === 0 && multiFeatureIndex === 0 && initialValue === undefined) previousValue = currentFeature;
        else previousValue = callback(previousValue, currentFeature, featureIndex, multiFeatureIndex);
    });
    return previousValue;
}

/**
 * Callback for segmentEach
 *
 * @callback segmentEachCallback
 * @param {Feature<LineString>} currentSegment The current Segment being processed.
 * @param {number} featureIndex The current index of the Feature being processed.
 * @param {number} multiFeatureIndex The current index of the Multi-Feature being processed.
 * @param {number} geometryIndex The current index of the Geometry being processed.
 * @param {number} segmentIndex The current index of the Segment being processed.
 * @returns {void}
 */

/**
 * Iterate over 2-vertex line segment in any GeoJSON object, similar to Array.forEach()
 * (Multi)Point geometries do not contain segments therefore they are ignored during this operation.
 *
 * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON
 * @param {Function} callback a method that takes (currentSegment, featureIndex, multiFeatureIndex, geometryIndex, segmentIndex)
 * @returns {void}
 * @example
 * var polygon = turf.polygon([[[-50, 5], [-40, -10], [-50, -10], [-40, 5], [-50, 5]]]);
 *
 * // Iterate over GeoJSON by 2-vertex segments
 * turf.segmentEach(polygon, function (currentSegment, featureIndex, multiFeatureIndex, geometryIndex, segmentIndex) {
 *   //=currentSegment
 *   //=featureIndex
 *   //=multiFeatureIndex
 *   //=geometryIndex
 *   //=segmentIndex
 * });
 *
 * // Calculate the total number of segments
 * var total = 0;
 * turf.segmentEach(polygon, function () {
 *     total++;
 * });
 */
function segmentEach(geojson, callback) {
    flattenEach(geojson, function (feature$$1, featureIndex, multiFeatureIndex) {
        var segmentIndex = 0;

        // Exclude null Geometries
        if (!feature$$1.geometry) return;
        // (Multi)Point geometries do not contain segments therefore they are ignored during this operation.
        var type = feature$$1.geometry.type;
        if (type === 'Point' || type === 'MultiPoint') return;

        // Generate 2-vertex line segments
        var previousCoords;
        if (coordEach(feature$$1, function (currentCoord, coordIndex, featureIndexCoord, mutliPartIndexCoord, geometryIndex) {
            // Simulating a meta.coordReduce() since `reduce` operations cannot be stopped by returning `false`
            if (previousCoords === undefined) {
                previousCoords = currentCoord;
                return;
            }
            var currentSegment = helpers.lineString([previousCoords, currentCoord], feature$$1.properties);
            if (callback(currentSegment, featureIndex, multiFeatureIndex, geometryIndex, segmentIndex) === false) return false;
            segmentIndex++;
            previousCoords = currentCoord;
        }) === false) return false;
    });
}

/**
 * Callback for segmentReduce
 *
 * The first time the callback function is called, the values provided as arguments depend
 * on whether the reduce method has an initialValue argument.
 *
 * If an initialValue is provided to the reduce method:
 *  - The previousValue argument is initialValue.
 *  - The currentValue argument is the value of the first element present in the array.
 *
 * If an initialValue is not provided:
 *  - The previousValue argument is the value of the first element present in the array.
 *  - The currentValue argument is the value of the second element present in the array.
 *
 * @callback segmentReduceCallback
 * @param {*} previousValue The accumulated value previously returned in the last invocation
 * of the callback, or initialValue, if supplied.
 * @param {Feature<LineString>} currentSegment The current Segment being processed.
 * @param {number} featureIndex The current index of the Feature being processed.
 * @param {number} multiFeatureIndex The current index of the Multi-Feature being processed.
 * @param {number} geometryIndex The current index of the Geometry being processed.
 * @param {number} segmentIndex The current index of the Segment being processed.
 */

/**
 * Reduce 2-vertex line segment in any GeoJSON object, similar to Array.reduce()
 * (Multi)Point geometries do not contain segments therefore they are ignored during this operation.
 *
 * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON
 * @param {Function} callback a method that takes (previousValue, currentSegment, currentIndex)
 * @param {*} [initialValue] Value to use as the first argument to the first call of the callback.
 * @returns {void}
 * @example
 * var polygon = turf.polygon([[[-50, 5], [-40, -10], [-50, -10], [-40, 5], [-50, 5]]]);
 *
 * // Iterate over GeoJSON by 2-vertex segments
 * turf.segmentReduce(polygon, function (previousSegment, currentSegment, featureIndex, multiFeatureIndex, geometryIndex, segmentIndex) {
 *   //= previousSegment
 *   //= currentSegment
 *   //= featureIndex
 *   //= multiFeatureIndex
 *   //= geometryIndex
 *   //= segmentInex
 *   return currentSegment
 * });
 *
 * // Calculate the total number of segments
 * var initialValue = 0
 * var total = turf.segmentReduce(polygon, function (previousValue) {
 *     previousValue++;
 *     return previousValue;
 * }, initialValue);
 */
function segmentReduce(geojson, callback, initialValue) {
    var previousValue = initialValue;
    var started = false;
    segmentEach(geojson, function (currentSegment, featureIndex, multiFeatureIndex, geometryIndex, segmentIndex) {
        if (started === false && initialValue === undefined) previousValue = currentSegment;
        else previousValue = callback(previousValue, currentSegment, featureIndex, multiFeatureIndex, geometryIndex, segmentIndex);
        started = true;
    });
    return previousValue;
}

/**
 * Callback for lineEach
 *
 * @callback lineEachCallback
 * @param {Feature<LineString>} currentLine The current LineString|LinearRing being processed
 * @param {number} featureIndex The current index of the Feature being processed
 * @param {number} multiFeatureIndex The current index of the Multi-Feature being processed
 * @param {number} geometryIndex The current index of the Geometry being processed
 */

/**
 * Iterate over line or ring coordinates in LineString, Polygon, MultiLineString, MultiPolygon Features or Geometries,
 * similar to Array.forEach.
 *
 * @name lineEach
 * @param {Geometry|Feature<LineString|Polygon|MultiLineString|MultiPolygon>} geojson object
 * @param {Function} callback a method that takes (currentLine, featureIndex, multiFeatureIndex, geometryIndex)
 * @example
 * var multiLine = turf.multiLineString([
 *   [[26, 37], [35, 45]],
 *   [[36, 53], [38, 50], [41, 55]]
 * ]);
 *
 * turf.lineEach(multiLine, function (currentLine, featureIndex, multiFeatureIndex, geometryIndex) {
 *   //=currentLine
 *   //=featureIndex
 *   //=multiFeatureIndex
 *   //=geometryIndex
 * });
 */
function lineEach(geojson, callback) {
    // validation
    if (!geojson) throw new Error('geojson is required');

    flattenEach(geojson, function (feature$$1, featureIndex, multiFeatureIndex) {
        if (feature$$1.geometry === null) return;
        var type = feature$$1.geometry.type;
        var coords = feature$$1.geometry.coordinates;
        switch (type) {
        case 'LineString':
            if (callback(feature$$1, featureIndex, multiFeatureIndex, 0, 0) === false) return false;
            break;
        case 'Polygon':
            for (var geometryIndex = 0; geometryIndex < coords.length; geometryIndex++) {
                if (callback(helpers.lineString(coords[geometryIndex], feature$$1.properties), featureIndex, multiFeatureIndex, geometryIndex) === false) return false;
            }
            break;
        }
    });
}

/**
 * Callback for lineReduce
 *
 * The first time the callback function is called, the values provided as arguments depend
 * on whether the reduce method has an initialValue argument.
 *
 * If an initialValue is provided to the reduce method:
 *  - The previousValue argument is initialValue.
 *  - The currentValue argument is the value of the first element present in the array.
 *
 * If an initialValue is not provided:
 *  - The previousValue argument is the value of the first element present in the array.
 *  - The currentValue argument is the value of the second element present in the array.
 *
 * @callback lineReduceCallback
 * @param {*} previousValue The accumulated value previously returned in the last invocation
 * of the callback, or initialValue, if supplied.
 * @param {Feature<LineString>} currentLine The current LineString|LinearRing being processed.
 * @param {number} featureIndex The current index of the Feature being processed
 * @param {number} multiFeatureIndex The current index of the Multi-Feature being processed
 * @param {number} geometryIndex The current index of the Geometry being processed
 */

/**
 * Reduce features in any GeoJSON object, similar to Array.reduce().
 *
 * @name lineReduce
 * @param {Geometry|Feature<LineString|Polygon|MultiLineString|MultiPolygon>} geojson object
 * @param {Function} callback a method that takes (previousValue, currentLine, featureIndex, multiFeatureIndex, geometryIndex)
 * @param {*} [initialValue] Value to use as the first argument to the first call of the callback.
 * @returns {*} The value that results from the reduction.
 * @example
 * var multiPoly = turf.multiPolygon([
 *   turf.polygon([[[12,48],[2,41],[24,38],[12,48]], [[9,44],[13,41],[13,45],[9,44]]]),
 *   turf.polygon([[[5, 5], [0, 0], [2, 2], [4, 4], [5, 5]]])
 * ]);
 *
 * turf.lineReduce(multiPoly, function (previousValue, currentLine, featureIndex, multiFeatureIndex, geometryIndex) {
 *   //=previousValue
 *   //=currentLine
 *   //=featureIndex
 *   //=multiFeatureIndex
 *   //=geometryIndex
 *   return currentLine
 * });
 */
function lineReduce(geojson, callback, initialValue) {
    var previousValue = initialValue;
    lineEach(geojson, function (currentLine, featureIndex, multiFeatureIndex, geometryIndex) {
        if (featureIndex === 0 && initialValue === undefined) previousValue = currentLine;
        else previousValue = callback(previousValue, currentLine, featureIndex, multiFeatureIndex, geometryIndex);
    });
    return previousValue;
}

/**
 * Finds a particular 2-vertex LineString Segment from a GeoJSON using `@turf/meta` indexes.
 *
 * Negative indexes are permitted.
 * Point & MultiPoint will always return null.
 *
 * @param {FeatureCollection|Feature|Geometry} geojson Any GeoJSON Feature or Geometry
 * @param {Object} [options={}] Optional parameters
 * @param {number} [options.featureIndex=0] Feature Index
 * @param {number} [options.multiFeatureIndex=0] Multi-Feature Index
 * @param {number} [options.geometryIndex=0] Geometry Index
 * @param {number} [options.segmentIndex=0] Segment Index
 * @param {Object} [options.properties={}] Translate Properties to output LineString
 * @param {BBox} [options.bbox={}] Translate BBox to output LineString
 * @param {number|string} [options.id={}] Translate Id to output LineString
 * @returns {Feature<LineString>} 2-vertex GeoJSON Feature LineString
 * @example
 * var multiLine = turf.multiLineString([
 *     [[10, 10], [50, 30], [30, 40]],
 *     [[-10, -10], [-50, -30], [-30, -40]]
 * ]);
 *
 * // First Segment (defaults are 0)
 * turf.findSegment(multiLine);
 * // => Feature<LineString<[[10, 10], [50, 30]]>>
 *
 * // First Segment of 2nd Multi Feature
 * turf.findSegment(multiLine, {multiFeatureIndex: 1});
 * // => Feature<LineString<[[-10, -10], [-50, -30]]>>
 *
 * // Last Segment of Last Multi Feature
 * turf.findSegment(multiLine, {multiFeatureIndex: -1, segmentIndex: -1});
 * // => Feature<LineString<[[-50, -30], [-30, -40]]>>
 */
function findSegment(geojson, options) {
    // Optional Parameters
    options = options || {};
    if (!helpers.isObject(options)) throw new Error('options is invalid');
    var featureIndex = options.featureIndex || 0;
    var multiFeatureIndex = options.multiFeatureIndex || 0;
    var geometryIndex = options.geometryIndex || 0;
    var segmentIndex = options.segmentIndex || 0;

    // Find FeatureIndex
    var properties = options.properties;
    var geometry;

    switch (geojson.type) {
    case 'FeatureCollection':
        if (featureIndex < 0) featureIndex = geojson.features.length + featureIndex;
        properties = properties || geojson.features[featureIndex].properties;
        geometry = geojson.features[featureIndex].geometry;
        break;
    case 'Feature':
        properties = properties || geojson.properties;
        geometry = geojson.geometry;
        break;
    case 'Point':
    case 'MultiPoint':
        return null;
    case 'LineString':
    case 'Polygon':
    case 'MultiLineString':
    case 'MultiPolygon':
        geometry = geojson;
        break;
    default:
        throw new Error('geojson is invalid');
    }

    // Find SegmentIndex
    if (geometry === null) return null;
    var coords = geometry.coordinates;
    switch (geometry.type) {
    case 'Point':
    case 'MultiPoint':
        return null;
    case 'LineString':
        if (segmentIndex < 0) segmentIndex = coords.length + segmentIndex - 1;
        return helpers.lineString([coords[segmentIndex], coords[segmentIndex + 1]], properties, options);
    case 'Polygon':
        if (geometryIndex < 0) geometryIndex = coords.length + geometryIndex;
        if (segmentIndex < 0) segmentIndex = coords[geometryIndex].length + segmentIndex - 1;
        return helpers.lineString([coords[geometryIndex][segmentIndex], coords[geometryIndex][segmentIndex + 1]], properties, options);
    case 'MultiLineString':
        if (multiFeatureIndex < 0) multiFeatureIndex = coords.length + multiFeatureIndex;
        if (segmentIndex < 0) segmentIndex = coords[multiFeatureIndex].length + segmentIndex - 1;
        return helpers.lineString([coords[multiFeatureIndex][segmentIndex], coords[multiFeatureIndex][segmentIndex + 1]], properties, options);
    case 'MultiPolygon':
        if (multiFeatureIndex < 0) multiFeatureIndex = coords.length + multiFeatureIndex;
        if (geometryIndex < 0) geometryIndex = coords[multiFeatureIndex].length + geometryIndex;
        if (segmentIndex < 0) segmentIndex = coords[multiFeatureIndex][geometryIndex].length - segmentIndex - 1;
        return helpers.lineString([coords[multiFeatureIndex][geometryIndex][segmentIndex], coords[multiFeatureIndex][geometryIndex][segmentIndex + 1]], properties, options);
    }
    throw new Error('geojson is invalid');
}

/**
 * Finds a particular Point from a GeoJSON using `@turf/meta` indexes.
 *
 * Negative indexes are permitted.
 *
 * @param {FeatureCollection|Feature|Geometry} geojson Any GeoJSON Feature or Geometry
 * @param {Object} [options={}] Optional parameters
 * @param {number} [options.featureIndex=0] Feature Index
 * @param {number} [options.multiFeatureIndex=0] Multi-Feature Index
 * @param {number} [options.geometryIndex=0] Geometry Index
 * @param {number} [options.coordIndex=0] Coord Index
 * @param {Object} [options.properties={}] Translate Properties to output Point
 * @param {BBox} [options.bbox={}] Translate BBox to output Point
 * @param {number|string} [options.id={}] Translate Id to output Point
 * @returns {Feature<Point>} 2-vertex GeoJSON Feature Point
 * @example
 * var multiLine = turf.multiLineString([
 *     [[10, 10], [50, 30], [30, 40]],
 *     [[-10, -10], [-50, -30], [-30, -40]]
 * ]);
 *
 * // First Segment (defaults are 0)
 * turf.findPoint(multiLine);
 * // => Feature<Point<[10, 10]>>
 *
 * // First Segment of the 2nd Multi-Feature
 * turf.findPoint(multiLine, {multiFeatureIndex: 1});
 * // => Feature<Point<[-10, -10]>>
 *
 * // Last Segment of last Multi-Feature
 * turf.findPoint(multiLine, {multiFeatureIndex: -1, coordIndex: -1});
 * // => Feature<Point<[-30, -40]>>
 */
function findPoint(geojson, options) {
    // Optional Parameters
    options = options || {};
    if (!helpers.isObject(options)) throw new Error('options is invalid');
    var featureIndex = options.featureIndex || 0;
    var multiFeatureIndex = options.multiFeatureIndex || 0;
    var geometryIndex = options.geometryIndex || 0;
    var coordIndex = options.coordIndex || 0;

    // Find FeatureIndex
    var properties = options.properties;
    var geometry;

    switch (geojson.type) {
    case 'FeatureCollection':
        if (featureIndex < 0) featureIndex = geojson.features.length + featureIndex;
        properties = properties || geojson.features[featureIndex].properties;
        geometry = geojson.features[featureIndex].geometry;
        break;
    case 'Feature':
        properties = properties || geojson.properties;
        geometry = geojson.geometry;
        break;
    case 'Point':
    case 'MultiPoint':
        return null;
    case 'LineString':
    case 'Polygon':
    case 'MultiLineString':
    case 'MultiPolygon':
        geometry = geojson;
        break;
    default:
        throw new Error('geojson is invalid');
    }

    // Find Coord Index
    if (geometry === null) return null;
    var coords = geometry.coordinates;
    switch (geometry.type) {
    case 'Point':
        return helpers.point(coords, properties, options);
    case 'MultiPoint':
        if (multiFeatureIndex < 0) multiFeatureIndex = coords.length + multiFeatureIndex;
        return helpers.point(coords[multiFeatureIndex], properties, options);
    case 'LineString':
        if (coordIndex < 0) coordIndex = coords.length + coordIndex;
        return helpers.point(coords[coordIndex], properties, options);
    case 'Polygon':
        if (geometryIndex < 0) geometryIndex = coords.length + geometryIndex;
        if (coordIndex < 0) coordIndex = coords[geometryIndex].length + coordIndex;
        return helpers.point(coords[geometryIndex][coordIndex], properties, options);
    case 'MultiLineString':
        if (multiFeatureIndex < 0) multiFeatureIndex = coords.length + multiFeatureIndex;
        if (coordIndex < 0) coordIndex = coords[multiFeatureIndex].length + coordIndex;
        return helpers.point(coords[multiFeatureIndex][coordIndex], properties, options);
    case 'MultiPolygon':
        if (multiFeatureIndex < 0) multiFeatureIndex = coords.length + multiFeatureIndex;
        if (geometryIndex < 0) geometryIndex = coords[multiFeatureIndex].length + geometryIndex;
        if (coordIndex < 0) coordIndex = coords[multiFeatureIndex][geometryIndex].length - coordIndex;
        return helpers.point(coords[multiFeatureIndex][geometryIndex][coordIndex], properties, options);
    }
    throw new Error('geojson is invalid');
}

exports.coordEach = coordEach;
exports.coordReduce = coordReduce;
exports.propEach = propEach;
exports.propReduce = propReduce;
exports.featureEach = featureEach;
exports.featureReduce = featureReduce;
exports.coordAll = coordAll;
exports.geomEach = geomEach;
exports.geomReduce = geomReduce;
exports.flattenEach = flattenEach;
exports.flattenReduce = flattenReduce;
exports.segmentEach = segmentEach;
exports.segmentReduce = segmentReduce;
exports.lineEach = lineEach;
exports.lineReduce = lineReduce;
exports.findSegment = findSegment;
exports.findPoint = findPoint;

},{"@turf/helpers":14}],29:[function(require,module,exports){
var getCoords = require('@turf/invariant').getCoords;
var helpers = require('@turf/helpers');
var lineString = helpers.lineString;
var multiLineString = helpers.multiLineString;
var featureCollection = helpers.featureCollection;

/**
 * Converts a {@link Polygon} or {@link MultiPolygon} to a {@link FeatureCollection} of {@link LineString} or {@link MultiLineString}.
 *
 * @name polygonToLineString
 * @param {Feature<Polygon|MultiPolygon>} polygon Feature to convert
 * @returns {FeatureCollection<LineString|MultiLinestring>} converted Feature to Lines
 * @example
 * var poly = {
 *   'type': 'Feature',
 *   'properties': {},
 *   'geometry': {
 *     'type': 'Polygon',
 *     'coordinates': [[[125, -30], [145, -30], [145, -20], [125, -20], [125, -30]]]
 *   }
 * }
 * var lines = turf.polygonToLineString(poly);
 * //addToMap
 * var addToMap = [lines]
 */
module.exports = function (polygon) {
    var geom = getGeomType(polygon);
    var coords = getCoords(polygon);
    var properties = polygon.properties;
    if (!coords.length) throw new Error('polygon must contain coordinates');

    switch (geom) {
    case 'Polygon':
        return featureCollection([coordsToLine(coords, properties)]);
    case 'MultiPolygon':
        var lines = [];
        coords.forEach(function (coord) {
            lines.push(coordsToLine(coord, properties));
        });
        return featureCollection(lines);
    default:
        throw new Error('geom ' + geom + ' not supported');
    }
};

function coordsToLine(coords, properties) {
    if (coords.length > 1) return multiLineString(coords, properties);
    return lineString(coords[0], properties);
}

function getGeomType(feature) {
    return (feature.geometry) ? feature.geometry.type : feature.type;
}

},{"@turf/helpers":30,"@turf/invariant":31}],30:[function(require,module,exports){
arguments[4][4][0].apply(exports,arguments)
},{"dup":4}],31:[function(require,module,exports){
arguments[4][5][0].apply(exports,arguments)
},{"dup":5}],32:[function(require,module,exports){
var simplify = require('simplify-js');

// supported GeoJSON geometries, used to check whether to wrap in simpleFeature()
var supportedTypes = ['LineString', 'MultiLineString', 'Polygon', 'MultiPolygon'];

/**
 * Takes a {@link LineString} or {@link Polygon} and returns a simplified version. Internally uses [simplify-js](http://mourner.github.io/simplify-js/) to perform simplification.
 *
 * @name simplify
 * @param {Feature<(LineString|Polygon|MultiLineString|MultiPolygon)>|FeatureCollection|GeometryCollection} feature feature to be simplified
 * @param {number} [tolerance=1] simplification tolerance
 * @param {boolean} [highQuality=false] whether or not to spend more time to create
 * a higher-quality simplification with a different algorithm
 * @return {Feature<(LineString|Polygon|MultiLineString|MultiPolygon)>|FeatureCollection|GeometryCollection} a simplified feature
 * @example
  * var feature = {
 *   "type": "Feature",
 *   "properties": {},
 *   "geometry": {
 *     "type": "Polygon",
 *     "coordinates": [[
 *       [-70.603637, -33.399918],
 *       [-70.614624, -33.395332],
 *       [-70.639343, -33.392466],
 *       [-70.659942, -33.394759],
 *       [-70.683975, -33.404504],
 *       [-70.697021, -33.419406],
 *       [-70.701141, -33.434306],
 *       [-70.700454, -33.446339],
 *       [-70.694274, -33.458369],
 *       [-70.682601, -33.465816],
 *       [-70.668869, -33.472117],
 *       [-70.646209, -33.473835],
 *       [-70.624923, -33.472117],
 *       [-70.609817, -33.468107],
 *       [-70.595397, -33.458369],
 *       [-70.587158, -33.442901],
 *       [-70.587158, -33.426283],
 *       [-70.590591, -33.414248],
 *       [-70.594711, -33.406224],
 *       [-70.603637, -33.399918]
 *     ]]
 *   }
 * };

 * var tolerance = 0.01;
 *
 * var simplified = turf.simplify(
 *  feature, tolerance, false);
 *
 * //=feature
 *
 * //=simplified
 */
module.exports = function (feature, tolerance, highQuality) {
    if (feature.type === 'Feature') {
        return simpleFeature(
            simplifyHelper(feature, tolerance, highQuality),
            feature.properties);
    } else if (feature.type === 'FeatureCollection') {
        return {
            type: 'FeatureCollection',
            features: feature.features.map(function (f) {
                var simplified = simplifyHelper(f, tolerance, highQuality);

                // we create simpleFeature here because it doesn't apply to GeometryCollection
                // so we can't create it at simplifyHelper()
                if (supportedTypes.indexOf(simplified.type) > -1) {
                    return simpleFeature(simplified, f.properties);
                } else {
                    return simplified;
                }
            })
        };
    } else if (feature.type === 'GeometryCollection') {
        return {
            type: 'GeometryCollection',
            geometries: feature.geometries.map(function (g) {
                if (supportedTypes.indexOf(g.type) > -1) {
                    return simplifyHelper({
                        type: 'Feature',
                        geometry: g
                    }, tolerance, highQuality);
                }
                return g;
            })
        };
    } else {
        return feature;
    }
};


function simplifyHelper(feature, tolerance, highQuality) {
    if (feature.geometry.type === 'LineString') {
        return {
            type: 'LineString',
            coordinates: simplifyLine(feature.geometry.coordinates, tolerance, highQuality)
        };
    } else if (feature.geometry.type === 'MultiLineString') {
        return {
            type: 'MultiLineString',
            coordinates: feature.geometry.coordinates.map(function (lines) {
                return simplifyLine(lines, tolerance, highQuality);
            })
        };
    } else if (feature.geometry.type === 'Polygon') {
        return {
            type: 'Polygon',
            coordinates: simplifyPolygon(feature.geometry.coordinates, tolerance, highQuality)
        };
    } else if (feature.geometry.type === 'MultiPolygon') {
        return {
            type: 'MultiPolygon',
            coordinates: feature.geometry.coordinates.map(function (rings) {
                return simplifyPolygon(rings, tolerance, highQuality);
            })
        };
    } else {
        // unsupported geometry type supplied
        return feature;
    }
}

/*
* returns true if ring's first coordinate is the same as its last
*/
function checkValidity(ring) {
    if (ring.length < 3) {
        return false;
    //if the last point is the same as the first, it's not a triangle
    } else if (ring.length === 3 &&
      ((ring[2][0] === ring[0][0]) && (ring[2][1] === ring[0][1]))) {
        return false;
    } else {
        return true;
    }
}

function simpleFeature(geom, properties) {
    return {
        type: 'Feature',
        geometry: geom,
        properties: properties
    };
}

function simplifyLine(coordinates, tolerance, highQuality) {
    return simplify(coordinates.map(function (coord) {
        return {x: coord[0], y: coord[1], z: coord[2]};
    }), tolerance, highQuality).map(function (coords) {
        return (coords.z) ? [coords.x, coords.y, coords.z] : [coords.x, coords.y];
    });
}

function simplifyPolygon(coordinates, tolerance, highQuality) {
    return coordinates.map(function (ring) {
        var pts = ring.map(function (coord) {
            return {x: coord[0], y: coord[1]};
        });
        if (pts.length < 4) {
            throw new Error('Invalid polygon');
        }
        var simpleRing = simplify(pts, tolerance, highQuality).map(function (coords) {
            return [coords.x, coords.y];
        });
        //remove 1 percent of tolerance until enough points to make a triangle
        while (!checkValidity(simpleRing)) {
            tolerance -= tolerance * 0.01;
            simpleRing = simplify(pts, tolerance, highQuality).map(function (coords) {
                return [coords.x, coords.y];
            });
        }
        if (
            (simpleRing[simpleRing.length - 1][0] !== simpleRing[0][0]) ||
                (simpleRing[simpleRing.length - 1][1] !== simpleRing[0][1])) {
            simpleRing.push(simpleRing[0]);
        }
        return simpleRing;
    });
}

},{"simplify-js":53}],33:[function(require,module,exports){
var jsts = require('jsts');

/**
 * Takes two or more {@link Polygon|polygons} and returns a combined polygon. If the input polygons are not contiguous, this function returns a {@link MultiPolygon} feature.
 *
 * @name union
 * @param {...Feature<Polygon>} A polygon to combine
 * @return {Feature<(Polygon|MultiPolygon)>} a combined {@link Polygon} or {@link MultiPolygon} feature
 * @example
 * var poly1 = {
 *   "type": "Feature",
 *   "properties": {
 *     "fill": "#0f0"
 *   },
 *   "geometry": {
 *     "type": "Polygon",
 *     "coordinates": [[
 *       [-82.574787, 35.594087],
 *       [-82.574787, 35.615581],
 *       [-82.545261, 35.615581],
 *       [-82.545261, 35.594087],
 *       [-82.574787, 35.594087]
 *     ]]
 *   }
 * };
 * var poly2 = {
 *   "type": "Feature",
 *   "properties": {
 *     "fill": "#00f"
 *   },
 *   "geometry": {
 *     "type": "Polygon",
 *     "coordinates": [[
 *       [-82.560024, 35.585153],
 *       [-82.560024, 35.602602],
 *       [-82.52964, 35.602602],
 *       [-82.52964, 35.585153],
 *       [-82.560024, 35.585153]
 *     ]]
 *   }
 * };
 * var polygons = {
 *   "type": "FeatureCollection",
 *   "features": [poly1, poly2]
 * };
 *
 * var union = turf.union(poly1, poly2);
 *
 * //=polygons
 *
 * //=union
 */
module.exports = function () {
    var reader = new jsts.io.GeoJSONReader();
    var result = reader.read(JSON.stringify(arguments[0].geometry));

    for (var i = 1; i < arguments.length; i++) {
        result = result.union(reader.read(JSON.stringify(arguments[i].geometry)));
    }

    var writer = new jsts.io.GeoJSONWriter();
    result = writer.write(result);

    return {
        type: 'Feature',
        geometry: result,
        properties: arguments[0].properties
    };
};

},{"jsts":43}],34:[function(require,module,exports){
var inside = require('@turf/inside');
var featureCollection = require('@turf/helpers').featureCollection;

/**
 * Takes a set of {@link Point|points} and a set of {@link Polygon|polygons} and returns the points that fall within the polygons.
 *
 * @name within
 * @param {FeatureCollection<Point>} points input points
 * @param {FeatureCollection<Polygon>} polygons input polygons
 * @return {FeatureCollection<Point>} points that land within at least one polygon
 * @example
 * var searchWithin = {
 *   "type": "FeatureCollection",
 *   "features": [
 *     {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Polygon",
 *         "coordinates": [[
 *           [-46.653,-23.543],
 *           [-46.634,-23.5346],
 *           [-46.613,-23.543],
 *           [-46.614,-23.559],
 *           [-46.631,-23.567],
 *           [-46.653,-23.560],
 *           [-46.653,-23.543]
 *         ]]
 *       }
 *     }
 *   ]
 * };
 * var points = {
 *   "type": "FeatureCollection",
 *   "features": [
 *     {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [-46.6318, -23.5523]
 *       }
 *     }, {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [-46.6246, -23.5325]
 *       }
 *     }, {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [-46.6062, -23.5513]
 *       }
 *     }, {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [-46.663, -23.554]
 *       }
 *     }, {
 *       "type": "Feature",
 *       "properties": {},
 *       "geometry": {
 *         "type": "Point",
 *         "coordinates": [-46.643, -23.557]
 *       }
 *     }
 *   ]
 * };
 *
 * var ptsWithin = turf.within(points, searchWithin);
 *
 * //=points
 *
 * //=searchWithin
 *
 * //=ptsWithin
 */
module.exports = function (points, polygons) {
    var pointsWithin = featureCollection([]);
    for (var i = 0; i < polygons.features.length; i++) {
        for (var j = 0; j < points.features.length; j++) {
            var isInside = inside(points.features[j], polygons.features[i]);
            if (isInside) {
                pointsWithin.features.push(points.features[j]);
            }
        }
    }
    return pointsWithin;
};

},{"@turf/helpers":14,"@turf/inside":15}],35:[function(require,module,exports){
'use strict'

module.exports = affineHull

var orient = require('robust-orientation')

function linearlyIndependent(points, d) {
  var nhull = new Array(d+1)
  for(var i=0; i<points.length; ++i) {
    nhull[i] = points[i]
  }
  for(var i=0; i<=points.length; ++i) {
    for(var j=points.length; j<=d; ++j) {
      var x = new Array(d)
      for(var k=0; k<d; ++k) {
        x[k] = Math.pow(j+1-i, k)
      }
      nhull[j] = x
    }
    var o = orient.apply(void 0, nhull)
    if(o) {
      return true
    }
  }
  return false
}

function affineHull(points) {
  var n = points.length
  if(n === 0) {
    return []
  }
  if(n === 1) {
    return [0]
  }
  var d = points[0].length
  var frame = [ points[0] ]
  var index = [ 0 ]
  for(var i=1; i<n; ++i) {
    frame.push(points[i])
    if(!linearlyIndependent(frame, d)) {
      frame.pop()
      continue
    }
    index.push(i)
    if(index.length === d+1) {
      return index
    }
  }
  return index
}
},{"robust-orientation":48}],36:[function(require,module,exports){
/**
 * Bit twiddling hacks for JavaScript.
 *
 * Author: Mikola Lysenko
 *
 * Ported from Stanford bit twiddling hack library:
 *    http://graphics.stanford.edu/~seander/bithacks.html
 */

"use strict"; "use restrict";

//Number of bits in an integer
var INT_BITS = 32;

//Constants
exports.INT_BITS  = INT_BITS;
exports.INT_MAX   =  0x7fffffff;
exports.INT_MIN   = -1<<(INT_BITS-1);

//Returns -1, 0, +1 depending on sign of x
exports.sign = function(v) {
  return (v > 0) - (v < 0);
}

//Computes absolute value of integer
exports.abs = function(v) {
  var mask = v >> (INT_BITS-1);
  return (v ^ mask) - mask;
}

//Computes minimum of integers x and y
exports.min = function(x, y) {
  return y ^ ((x ^ y) & -(x < y));
}

//Computes maximum of integers x and y
exports.max = function(x, y) {
  return x ^ ((x ^ y) & -(x < y));
}

//Checks if a number is a power of two
exports.isPow2 = function(v) {
  return !(v & (v-1)) && (!!v);
}

//Computes log base 2 of v
exports.log2 = function(v) {
  var r, shift;
  r =     (v > 0xFFFF) << 4; v >>>= r;
  shift = (v > 0xFF  ) << 3; v >>>= shift; r |= shift;
  shift = (v > 0xF   ) << 2; v >>>= shift; r |= shift;
  shift = (v > 0x3   ) << 1; v >>>= shift; r |= shift;
  return r | (v >> 1);
}

//Computes log base 10 of v
exports.log10 = function(v) {
  return  (v >= 1000000000) ? 9 : (v >= 100000000) ? 8 : (v >= 10000000) ? 7 :
          (v >= 1000000) ? 6 : (v >= 100000) ? 5 : (v >= 10000) ? 4 :
          (v >= 1000) ? 3 : (v >= 100) ? 2 : (v >= 10) ? 1 : 0;
}

//Counts number of bits
exports.popCount = function(v) {
  v = v - ((v >>> 1) & 0x55555555);
  v = (v & 0x33333333) + ((v >>> 2) & 0x33333333);
  return ((v + (v >>> 4) & 0xF0F0F0F) * 0x1010101) >>> 24;
}

//Counts number of trailing zeros
function countTrailingZeros(v) {
  var c = 32;
  v &= -v;
  if (v) c--;
  if (v & 0x0000FFFF) c -= 16;
  if (v & 0x00FF00FF) c -= 8;
  if (v & 0x0F0F0F0F) c -= 4;
  if (v & 0x33333333) c -= 2;
  if (v & 0x55555555) c -= 1;
  return c;
}
exports.countTrailingZeros = countTrailingZeros;

//Rounds to next power of 2
exports.nextPow2 = function(v) {
  v += v === 0;
  --v;
  v |= v >>> 1;
  v |= v >>> 2;
  v |= v >>> 4;
  v |= v >>> 8;
  v |= v >>> 16;
  return v + 1;
}

//Rounds down to previous power of 2
exports.prevPow2 = function(v) {
  v |= v >>> 1;
  v |= v >>> 2;
  v |= v >>> 4;
  v |= v >>> 8;
  v |= v >>> 16;
  return v - (v>>>1);
}

//Computes parity of word
exports.parity = function(v) {
  v ^= v >>> 16;
  v ^= v >>> 8;
  v ^= v >>> 4;
  v &= 0xf;
  return (0x6996 >>> v) & 1;
}

var REVERSE_TABLE = new Array(256);

(function(tab) {
  for(var i=0; i<256; ++i) {
    var v = i, r = i, s = 7;
    for (v >>>= 1; v; v >>>= 1) {
      r <<= 1;
      r |= v & 1;
      --s;
    }
    tab[i] = (r << s) & 0xff;
  }
})(REVERSE_TABLE);

//Reverse bits in a 32 bit word
exports.reverse = function(v) {
  return  (REVERSE_TABLE[ v         & 0xff] << 24) |
          (REVERSE_TABLE[(v >>> 8)  & 0xff] << 16) |
          (REVERSE_TABLE[(v >>> 16) & 0xff] << 8)  |
           REVERSE_TABLE[(v >>> 24) & 0xff];
}

//Interleave bits of 2 coordinates with 16 bits.  Useful for fast quadtree codes
exports.interleave2 = function(x, y) {
  x &= 0xFFFF;
  x = (x | (x << 8)) & 0x00FF00FF;
  x = (x | (x << 4)) & 0x0F0F0F0F;
  x = (x | (x << 2)) & 0x33333333;
  x = (x | (x << 1)) & 0x55555555;

  y &= 0xFFFF;
  y = (y | (y << 8)) & 0x00FF00FF;
  y = (y | (y << 4)) & 0x0F0F0F0F;
  y = (y | (y << 2)) & 0x33333333;
  y = (y | (y << 1)) & 0x55555555;

  return x | (y << 1);
}

//Extracts the nth interleaved component
exports.deinterleave2 = function(v, n) {
  v = (v >>> n) & 0x55555555;
  v = (v | (v >>> 1))  & 0x33333333;
  v = (v | (v >>> 2))  & 0x0F0F0F0F;
  v = (v | (v >>> 4))  & 0x00FF00FF;
  v = (v | (v >>> 16)) & 0x000FFFF;
  return (v << 16) >> 16;
}


//Interleave bits of 3 coordinates, each with 10 bits.  Useful for fast octree codes
exports.interleave3 = function(x, y, z) {
  x &= 0x3FF;
  x  = (x | (x<<16)) & 4278190335;
  x  = (x | (x<<8))  & 251719695;
  x  = (x | (x<<4))  & 3272356035;
  x  = (x | (x<<2))  & 1227133513;

  y &= 0x3FF;
  y  = (y | (y<<16)) & 4278190335;
  y  = (y | (y<<8))  & 251719695;
  y  = (y | (y<<4))  & 3272356035;
  y  = (y | (y<<2))  & 1227133513;
  x |= (y << 1);
  
  z &= 0x3FF;
  z  = (z | (z<<16)) & 4278190335;
  z  = (z | (z<<8))  & 251719695;
  z  = (z | (z<<4))  & 3272356035;
  z  = (z | (z<<2))  & 1227133513;
  
  return x | (z << 2);
}

//Extracts nth interleaved component of a 3-tuple
exports.deinterleave3 = function(v, n) {
  v = (v >>> n)       & 1227133513;
  v = (v | (v>>>2))   & 3272356035;
  v = (v | (v>>>4))   & 251719695;
  v = (v | (v>>>8))   & 4278190335;
  v = (v | (v>>>16))  & 0x3FF;
  return (v<<22)>>22;
}

//Computes next combination in colexicographic order (this is mistakenly called nextPermutation on the bit twiddling hacks page)
exports.nextCombination = function(v) {
  var t = v | (v - 1);
  return (t + 1) | (((~t & -~t) - 1) >>> (countTrailingZeros(v) + 1));
}


},{}],37:[function(require,module,exports){
"use strict"

var convexHull1d = require('./lib/ch1d')
var convexHull2d = require('./lib/ch2d')
var convexHullnd = require('./lib/chnd')

module.exports = convexHull

function convexHull(points) {
  var n = points.length
  if(n === 0) {
    return []
  } else if(n === 1) {
    return [[0]]
  }
  var d = points[0].length
  if(d === 0) {
    return []
  } else if(d === 1) {
    return convexHull1d(points)
  } else if(d === 2) {
    return convexHull2d(points)
  }
  return convexHullnd(points, d)
}
},{"./lib/ch1d":38,"./lib/ch2d":39,"./lib/chnd":40}],38:[function(require,module,exports){
"use strict"

module.exports = convexHull1d

function convexHull1d(points) {
  var lo = 0
  var hi = 0
  for(var i=1; i<points.length; ++i) {
    if(points[i][0] < points[lo][0]) {
      lo = i
    }
    if(points[i][0] > points[hi][0]) {
      hi = i
    }
  }
  if(lo < hi) {
    return [[lo], [hi]]
  } else if(lo > hi) {
    return [[hi], [lo]]
  } else {
    return [[lo]]
  }
}
},{}],39:[function(require,module,exports){
'use strict'

module.exports = convexHull2D

var monotoneHull = require('monotone-convex-hull-2d')

function convexHull2D(points) {
  var hull = monotoneHull(points)
  var h = hull.length
  if(h <= 2) {
    return []
  }
  var edges = new Array(h)
  var a = hull[h-1]
  for(var i=0; i<h; ++i) {
    var b = hull[i]
    edges[i] = [a,b]
    a = b
  }
  return edges
}

},{"monotone-convex-hull-2d":45}],40:[function(require,module,exports){
'use strict'

module.exports = convexHullnD

var ich = require('incremental-convex-hull')
var aff = require('affine-hull')

function permute(points, front) {
  var n = points.length
  var npoints = new Array(n)
  for(var i=0; i<front.length; ++i) {
    npoints[i] = points[front[i]]
  }
  var ptr = front.length
  for(var i=0; i<n; ++i) {
    if(front.indexOf(i) < 0) {
      npoints[ptr++] = points[i]
    }
  }
  return npoints
}

function invPermute(cells, front) {
  var nc = cells.length
  var nf = front.length
  for(var i=0; i<nc; ++i) {
    var c = cells[i]
    for(var j=0; j<c.length; ++j) {
      var x = c[j]
      if(x < nf) {
        c[j] = front[x]
      } else {
        x = x - nf
        for(var k=0; k<nf; ++k) {
          if(x >= front[k]) {
            x += 1
          }
        }
        c[j] = x
      }
    }
  }
  return cells
}

function convexHullnD(points, d) {
  try {
    return ich(points, true)
  } catch(e) {
    //If point set is degenerate, try to find a basis and rerun it
    var ah = aff(points)
    if(ah.length <= d) {
      //No basis, no try
      return []
    }
    var npoints = permute(points, ah)
    var nhull   = ich(npoints, true)
    return invPermute(nhull, ah)
  }
}
},{"affine-hull":35,"incremental-convex-hull":42}],41:[function(require,module,exports){
var turfBBox = require('@turf/bbox');
var featureCollection = require('@turf/helpers').featureCollection;
var featureEach = require('@turf/meta').featureEach;
var rbush = require('rbush');

/**
 * GeoJSON implementation of [RBush](https://github.com/mourner/rbush#rbush) spatial index.
 *
 * @name rbush
 * @param {number} [maxEntries=9] defines the maximum number of entries in a tree node. 9 (used by default) is a
 * reasonable choice for most applications. Higher value means faster insertion and slower search, and vice versa.
 * @returns {RBush} GeoJSON RBush
 * @example
 * var rbush = require('geojson-rbush')
 * var tree = rbush()
 */
module.exports = function (maxEntries) {
    var tree = rbush(maxEntries);
    /**
     * [insert](https://github.com/mourner/rbush#data-format)
     *
     * @param {Feature<any>} feature insert single GeoJSON Feature
     * @returns {RBush} GeoJSON RBush
     * @example
     * var polygon = {
     *   "type": "Feature",
     *   "properties": {},
     *   "geometry": {
     *     "type": "Polygon",
     *     "coordinates": [[[-78, 41], [-67, 41], [-67, 48], [-78, 48], [-78, 41]]]
     *   }
     * }
     * tree.insert(polygon)
     */
    tree.insert = function (feature) {
        feature.bbox = feature.bbox ? feature.bbox : turfBBox(feature);
        return rbush.prototype.insert.call(this, feature);
    };

    /**
     * [load](https://github.com/mourner/rbush#bulk-inserting-data)
     *
     * @param {FeatureCollection<any>} features load entire GeoJSON FeatureCollection
     * @returns {RBush} GeoJSON RBush
     * @example
     * var polygons = {
     *   "type": "FeatureCollection",
     *   "features": [
     *     {
     *       "type": "Feature",
     *       "properties": {},
     *       "geometry": {
     *         "type": "Polygon",
     *         "coordinates": [[[-78, 41], [-67, 41], [-67, 48], [-78, 48], [-78, 41]]]
     *       }
     *     },
     *     {
     *       "type": "Feature",
     *       "properties": {},
     *       "geometry": {
     *         "type": "Polygon",
     *         "coordinates": [[[-93, 32], [-83, 32], [-83, 39], [-93, 39], [-93, 32]]]
     *       }
     *     }
     *   ]
     * }
     * tree.load(polygons)
     */
    tree.load = function (features) {
        var load = [];
        featureEach(features, function (feature) {
            feature.bbox = feature.bbox ? feature.bbox : turfBBox(feature);
            load.push(feature);
        });
        return rbush.prototype.load.call(this, load);
    };

    /**
     * [remove](https://github.com/mourner/rbush#removing-data)
     *
     * @param {Feature<any>} feature remove single GeoJSON Feature
     * @returns {RBush} GeoJSON RBush
     * @example
     * var polygon = {
     *   "type": "Feature",
     *   "properties": {},
     *   "geometry": {
     *     "type": "Polygon",
     *     "coordinates": [[[-78, 41], [-67, 41], [-67, 48], [-78, 48], [-78, 41]]]
     *   }
     * }
     * tree.remove(polygon)
     */
    tree.remove = function (feature) {
        return rbush.prototype.remove.call(this, feature);
    };

    /**
     * [clear](https://github.com/mourner/rbush#removing-data)
     *
     * @returns {RBush} GeoJSON Rbush
     * @example
     * tree.clear()
     */
    tree.clear = function () {
        return rbush.prototype.clear.call(this);
    };

    /**
     * [search](https://github.com/mourner/rbush#search)
     *
     * @param {FeatureCollection|Feature<any>} geojson search with GeoJSON
     * @returns {FeatureCollection<any>} all features that intersects with the given GeoJSON.
     * @example
     * var polygon = {
     *   "type": "Feature",
     *   "properties": {},
     *   "geometry": {
     *     "type": "Polygon",
     *     "coordinates": [[[-78, 41], [-67, 41], [-67, 48], [-78, 48], [-78, 41]]]
     *   }
     * }
     * tree.search(polygon)
     */
    tree.search = function (geojson) {
        var search = rbush.prototype.search.call(this, this.toBBox(geojson));
        return featureCollection(search);
    };

    /**
     * [collides](https://github.com/mourner/rbush#collisions)
     *
     * @param {FeatureCollection|Feature<any>} geojson collides with GeoJSON
     * @returns {boolean} true if there are any items intersecting the given GeoJSON, otherwise false.
     * @example
     * var polygon = {
     *   "type": "Feature",
     *   "properties": {},
     *   "geometry": {
     *     "type": "Polygon",
     *     "coordinates": [[[-78, 41], [-67, 41], [-67, 48], [-78, 48], [-78, 41]]]
     *   }
     * }
     * tree.collides(polygon)
     */
    tree.collides = function (geojson) {
        return rbush.prototype.collides.call(this, this.toBBox(geojson));
    };

    /**
     * [all](https://github.com/mourner/rbush#search)
     *
     * @returns {FeatureCollection<any>} all the features in RBush
     * @example
     * tree.all()
     * //=FeatureCollection
     */
    tree.all = function () {
        var all = rbush.prototype.all.call(this);
        return featureCollection(all);
    };

    /**
     * [toJSON](https://github.com/mourner/rbush#export-and-import)
     *
     * @returns {any} export data as JSON object
     * @example
     * var exported = tree.toJSON()
     * //=JSON object
     */
    tree.toJSON = function () {
        return rbush.prototype.toJSON.call(this);
    };

    /**
     * [fromJSON](https://github.com/mourner/rbush#export-and-import)
     *
     * @param {any} json import previously exported data
     * @returns {RBush} GeoJSON RBush
     * @example
     * var exported = {
     *   "children": [
     *     {
     *       "type": "Feature",
     *       "geometry": {
     *         "type": "Point",
     *         "coordinates": [110, 50]
     *       },
     *       "properties": {},
     *       "bbox": [110, 50, 110, 50]
     *     }
     *   ],
     *   "height": 1,
     *   "leaf": true,
     *   "minX": 110,
     *   "minY": 50,
     *   "maxX": 110,
     *   "maxY": 50
     * }
     * tree.fromJSON(exported)
     */
    tree.fromJSON = function (json) {
        return rbush.prototype.fromJSON.call(this, json);
    };

    /**
     * Converts GeoJSON to {minX, minY, maxX, maxY} schema
     *
     * @private
     * @param {FeatureCollectio|Feature<any>} geojson feature(s) to retrieve BBox from
     * @returns {Object} converted to {minX, minY, maxX, maxY}
     */
    tree.toBBox = function (geojson) {
        var bbox = geojson.bbox ? geojson.bbox : turfBBox(geojson);
        return {
            minX: bbox[0],
            minY: bbox[1],
            maxX: bbox[2],
            maxY: bbox[3]
        };
    };
    return tree;
};

},{"@turf/bbox":6,"@turf/helpers":14,"@turf/meta":28,"rbush":47}],42:[function(require,module,exports){
"use strict"

//High level idea:
// 1. Use Clarkson's incremental construction to find convex hull
// 2. Point location in triangulation by jump and walk

module.exports = incrementalConvexHull

var orient = require("robust-orientation")
var compareCell = require("simplicial-complex").compareCells

function compareInt(a, b) {
  return a - b
}

function Simplex(vertices, adjacent, boundary) {
  this.vertices = vertices
  this.adjacent = adjacent
  this.boundary = boundary
  this.lastVisited = -1
}

Simplex.prototype.flip = function() {
  var t = this.vertices[0]
  this.vertices[0] = this.vertices[1]
  this.vertices[1] = t
  var u = this.adjacent[0]
  this.adjacent[0] = this.adjacent[1]
  this.adjacent[1] = u
}

function GlueFacet(vertices, cell, index) {
  this.vertices = vertices
  this.cell = cell
  this.index = index
}

function compareGlue(a, b) {
  return compareCell(a.vertices, b.vertices)
}

function bakeOrient(d) {
  var code = ["function orient(){var tuple=this.tuple;return test("]
  for(var i=0; i<=d; ++i) {
    if(i > 0) {
      code.push(",")
    }
    code.push("tuple[", i, "]")
  }
  code.push(")}return orient")
  var proc = new Function("test", code.join(""))
  var test = orient[d+1]
  if(!test) {
    test = orient
  }
  return proc(test)
}

var BAKED = []

function Triangulation(dimension, vertices, simplices) {
  this.dimension = dimension
  this.vertices = vertices
  this.simplices = simplices
  this.interior = simplices.filter(function(c) {
    return !c.boundary
  })

  this.tuple = new Array(dimension+1)
  for(var i=0; i<=dimension; ++i) {
    this.tuple[i] = this.vertices[i]
  }

  var o = BAKED[dimension]
  if(!o) {
    o = BAKED[dimension] = bakeOrient(dimension)
  }
  this.orient = o
}

var proto = Triangulation.prototype

//Degenerate situation where we are on boundary, but coplanar to face
proto.handleBoundaryDegeneracy = function(cell, point) {
  var d = this.dimension
  var n = this.vertices.length - 1
  var tuple = this.tuple
  var verts = this.vertices

  //Dumb solution: Just do dfs from boundary cell until we find any peak, or terminate
  var toVisit = [ cell ]
  cell.lastVisited = -n
  while(toVisit.length > 0) {
    cell = toVisit.pop()
    var cellVerts = cell.vertices
    var cellAdj = cell.adjacent
    for(var i=0; i<=d; ++i) {
      var neighbor = cellAdj[i]
      if(!neighbor.boundary || neighbor.lastVisited <= -n) {
        continue
      }
      var nv = neighbor.vertices
      for(var j=0; j<=d; ++j) {
        var vv = nv[j]
        if(vv < 0) {
          tuple[j] = point
        } else {
          tuple[j] = verts[vv]
        }
      }
      var o = this.orient()
      if(o > 0) {
        return neighbor
      }
      neighbor.lastVisited = -n
      if(o === 0) {
        toVisit.push(neighbor)
      }
    }
  }
  return null
}

proto.walk = function(point, random) {
  //Alias local properties
  var n = this.vertices.length - 1
  var d = this.dimension
  var verts = this.vertices
  var tuple = this.tuple

  //Compute initial jump cell
  var initIndex = random ? (this.interior.length * Math.random())|0 : (this.interior.length-1)
  var cell = this.interior[ initIndex ]

  //Start walking
outerLoop:
  while(!cell.boundary) {
    var cellVerts = cell.vertices
    var cellAdj = cell.adjacent

    for(var i=0; i<=d; ++i) {
      tuple[i] = verts[cellVerts[i]]
    }
    cell.lastVisited = n

    //Find farthest adjacent cell
    for(var i=0; i<=d; ++i) {
      var neighbor = cellAdj[i]
      if(neighbor.lastVisited >= n) {
        continue
      }
      var prev = tuple[i]
      tuple[i] = point
      var o = this.orient()
      tuple[i] = prev
      if(o < 0) {
        cell = neighbor
        continue outerLoop
      } else {
        if(!neighbor.boundary) {
          neighbor.lastVisited = n
        } else {
          neighbor.lastVisited = -n
        }
      }
    }
    return
  }

  return cell
}

proto.addPeaks = function(point, cell) {
  var n = this.vertices.length - 1
  var d = this.dimension
  var verts = this.vertices
  var tuple = this.tuple
  var interior = this.interior
  var simplices = this.simplices

  //Walking finished at boundary, time to add peaks
  var tovisit = [ cell ]

  //Stretch initial boundary cell into a peak
  cell.lastVisited = n
  cell.vertices[cell.vertices.indexOf(-1)] = n
  cell.boundary = false
  interior.push(cell)

  //Record a list of all new boundaries created by added peaks so we can glue them together when we are all done
  var glueFacets = []

  //Do a traversal of the boundary walking outward from starting peak
  while(tovisit.length > 0) {
    //Pop off peak and walk over adjacent cells
    var cell = tovisit.pop()
    var cellVerts = cell.vertices
    var cellAdj = cell.adjacent
    var indexOfN = cellVerts.indexOf(n)
    if(indexOfN < 0) {
      continue
    }

    for(var i=0; i<=d; ++i) {
      if(i === indexOfN) {
        continue
      }

      //For each boundary neighbor of the cell
      var neighbor = cellAdj[i]
      if(!neighbor.boundary || neighbor.lastVisited >= n) {
        continue
      }

      var nv = neighbor.vertices

      //Test if neighbor is a peak
      if(neighbor.lastVisited !== -n) {      
        //Compute orientation of p relative to each boundary peak
        var indexOfNeg1 = 0
        for(var j=0; j<=d; ++j) {
          if(nv[j] < 0) {
            indexOfNeg1 = j
            tuple[j] = point
          } else {
            tuple[j] = verts[nv[j]]
          }
        }
        var o = this.orient()

        //Test if neighbor cell is also a peak
        if(o > 0) {
          nv[indexOfNeg1] = n
          neighbor.boundary = false
          interior.push(neighbor)
          tovisit.push(neighbor)
          neighbor.lastVisited = n
          continue
        } else {
          neighbor.lastVisited = -n
        }
      }

      var na = neighbor.adjacent

      //Otherwise, replace neighbor with new face
      var vverts = cellVerts.slice()
      var vadj = cellAdj.slice()
      var ncell = new Simplex(vverts, vadj, true)
      simplices.push(ncell)

      //Connect to neighbor
      var opposite = na.indexOf(cell)
      if(opposite < 0) {
        continue
      }
      na[opposite] = ncell
      vadj[indexOfN] = neighbor

      //Connect to cell
      vverts[i] = -1
      vadj[i] = cell
      cellAdj[i] = ncell

      //Flip facet
      ncell.flip()

      //Add to glue list
      for(var j=0; j<=d; ++j) {
        var uu = vverts[j]
        if(uu < 0 || uu === n) {
          continue
        }
        var nface = new Array(d-1)
        var nptr = 0
        for(var k=0; k<=d; ++k) {
          var vv = vverts[k]
          if(vv < 0 || k === j) {
            continue
          }
          nface[nptr++] = vv
        }
        glueFacets.push(new GlueFacet(nface, ncell, j))
      }
    }
  }

  //Glue boundary facets together
  glueFacets.sort(compareGlue)

  for(var i=0; i+1<glueFacets.length; i+=2) {
    var a = glueFacets[i]
    var b = glueFacets[i+1]
    var ai = a.index
    var bi = b.index
    if(ai < 0 || bi < 0) {
      continue
    }
    a.cell.adjacent[a.index] = b.cell
    b.cell.adjacent[b.index] = a.cell
  }
}

proto.insert = function(point, random) {
  //Add point
  var verts = this.vertices
  verts.push(point)

  var cell = this.walk(point, random)
  if(!cell) {
    return
  }

  //Alias local properties
  var d = this.dimension
  var tuple = this.tuple

  //Degenerate case: If point is coplanar to cell, then walk until we find a non-degenerate boundary
  for(var i=0; i<=d; ++i) {
    var vv = cell.vertices[i]
    if(vv < 0) {
      tuple[i] = point
    } else {
      tuple[i] = verts[vv]
    }
  }
  var o = this.orient(tuple)
  if(o < 0) {
    return
  } else if(o === 0) {
    cell = this.handleBoundaryDegeneracy(cell, point)
    if(!cell) {
      return
    }
  }

  //Add peaks
  this.addPeaks(point, cell)
}

//Extract all boundary cells
proto.boundary = function() {
  var d = this.dimension
  var boundary = []
  var cells = this.simplices
  var nc = cells.length
  for(var i=0; i<nc; ++i) {
    var c = cells[i]
    if(c.boundary) {
      var bcell = new Array(d)
      var cv = c.vertices
      var ptr = 0
      var parity = 0
      for(var j=0; j<=d; ++j) {
        if(cv[j] >= 0) {
          bcell[ptr++] = cv[j]
        } else {
          parity = j&1
        }
      }
      if(parity === (d&1)) {
        var t = bcell[0]
        bcell[0] = bcell[1]
        bcell[1] = t
      }
      boundary.push(bcell)
    }
  }
  return boundary
}

function incrementalConvexHull(points, randomSearch) {
  var n = points.length
  if(n === 0) {
    throw new Error("Must have at least d+1 points")
  }
  var d = points[0].length
  if(n <= d) {
    throw new Error("Must input at least d+1 points")
  }

  //FIXME: This could be degenerate, but need to select d+1 non-coplanar points to bootstrap process
  var initialSimplex = points.slice(0, d+1)

  //Make sure initial simplex is positively oriented
  var o = orient.apply(void 0, initialSimplex)
  if(o === 0) {
    throw new Error("Input not in general position")
  }
  var initialCoords = new Array(d+1)
  for(var i=0; i<=d; ++i) {
    initialCoords[i] = i
  }
  if(o < 0) {
    initialCoords[0] = 1
    initialCoords[1] = 0
  }

  //Create initial topological index, glue pointers together (kind of messy)
  var initialCell = new Simplex(initialCoords, new Array(d+1), false)
  var boundary = initialCell.adjacent
  var list = new Array(d+2)
  for(var i=0; i<=d; ++i) {
    var verts = initialCoords.slice()
    for(var j=0; j<=d; ++j) {
      if(j === i) {
        verts[j] = -1
      }
    }
    var t = verts[0]
    verts[0] = verts[1]
    verts[1] = t
    var cell = new Simplex(verts, new Array(d+1), true)
    boundary[i] = cell
    list[i] = cell
  }
  list[d+1] = initialCell
  for(var i=0; i<=d; ++i) {
    var verts = boundary[i].vertices
    var adj = boundary[i].adjacent
    for(var j=0; j<=d; ++j) {
      var v = verts[j]
      if(v < 0) {
        adj[j] = initialCell
        continue
      }
      for(var k=0; k<=d; ++k) {
        if(boundary[k].vertices.indexOf(v) < 0) {
          adj[j] = boundary[k]
        }
      }
    }
  }

  //Initialize triangles
  var triangles = new Triangulation(d, initialSimplex, list)

  //Insert remaining points
  var useRandom = !!randomSearch
  for(var i=d+1; i<n; ++i) {
    triangles.insert(points[i], useRandom)
  }
  
  //Extract boundary cells
  return triangles.boundary()
}
},{"robust-orientation":48,"simplicial-complex":52}],43:[function(require,module,exports){
// JSTS. See https://github.com/bjornharrtell/jsts
// Licenses:
// https://github.com/bjornharrtell/jsts/blob/master/LICENSE_EDLv1.txt
// https://github.com/bjornharrtell/jsts/blob/master/LICENSE_EPLv1.txt
// https://github.com/bjornharrtell/jsts/blob/master/LICENSE_LICENSE_ES6_COLLECTIONS.txt
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Ei(){}function Ii(){this.ring=null,this.tree=null,this.crossings=0,this.interval=new fi;var t=arguments[0];this.ring=t,this.buildIndex()}function Ni(){hi.apply(this),this.mcp=null,this.p=null;var t=arguments[0],e=arguments[1];this.mcp=t,this.p=e}function Ci(){}function Si(){this.p0=null,this.p1=null,this.p2=null;var t=arguments[0],e=arguments[1],n=arguments[2];this.p0=t,this.p1=e,this.p2=n}function wi(){this.input=null,this.extremalPts=null,this.centre=null,this.radius=0;var t=arguments[0];this.input=t}function Li(){if(this.inputGeom=null,this.isConvex=null,this.convexHullPts=null,this.minBaseSeg=new ce,this.minWidthPt=null,this.minPtIndex=null,this.minWidth=0,1===arguments.length){var t=arguments[0];Li.call(this,t,!1)}else if(2===arguments.length){var e=arguments[0],n=arguments[1];this.inputGeom=e,this.isConvex=n}}function Ri(){this.inputGeom=null,this.distanceTolerance=null;var t=arguments[0];this.inputGeom=t}function Ti(){xe.apply(this),this.distanceTolerance=null;var t=arguments[0];this.distanceTolerance=t}function Pi(){this._orig=null,this._sym=null,this._next=null;var t=arguments[0];this._orig=t}function bi(){this._isMarked=!1;var t=arguments[0];Pi.call(this,t)}function Oi(){this.vertexMap=new te}function _i(){this._isStart=!1;var t=arguments[0];bi.call(this,t)}function Mi(){Oi.apply(this)}function Di(){this.result=null,this.factory=null,this.graph=null,this.lines=new I,this.nodeEdgeStack=new pe,this.ringStartEdge=null,this.graph=new Mi}function Ai(){this.items=new I,this.subnode=new Array(4).fill(null)}function Fi(){this.pt=new g,this.level=0,this.env=null;var t=arguments[0];this.computeKey(t)}function Gi(){Ai.apply(this),this.env=null,this.centrex=null,this.centrey=null,this.level=null;var t=arguments[0],e=arguments[1];this.env=t,this.level=e,this.centrex=(t.getMinX()+t.getMaxX())/2,this.centrey=(t.getMinY()+t.getMaxY())/2}function qi(){Ai.apply(this)}function Bi(){this.root=null,this.minExtent=1,this.root=new qi}function zi(t){this.geometryFactory=t||new ie}function Vi(t){this.geometryFactory=t||new ie,this.precisionModel=this.geometryFactory.getPrecisionModel(),this.parser=new zi(this.geometryFactory)}function ki(){this.parser=new zi(this.geometryFactory)}function Yi(t){this.geometryFactory=t||new ie,this.precisionModel=this.geometryFactory.getPrecisionModel(),this.parser=new re(this.geometryFactory)}function Ui(t){return[t.x,t.y]}function Xi(t,e){this.geometryFactory=t||new ie,this.ol=e||"undefined"!=typeof ol&&ol}function Hi(){if(this.noder=null,this.scaleFactor=null,this.offsetX=null,this.offsetY=null,this.isScaled=!1,2===arguments.length){var t=arguments[0],e=arguments[1];Hi.call(this,t,e,0,0)}else if(4===arguments.length){var n=arguments[0],i=arguments[1];arguments[2],arguments[3];this.noder=n,this.scaleFactor=i,this.isScaled=!this.isIntegerPrecision()}}function Wi(){if(this.inputGeom=null,this.isClosedEndpointsInInterior=!0,this.nonSimpleLocation=null,1===arguments.length){var t=arguments[0];this.inputGeom=t}else if(2===arguments.length){var e=arguments[0],n=arguments[1];
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nr(){this.distance=0,this.precisionModel=null,this.bufParams=null;var t=arguments[0],e=arguments[1];this.precisionModel=t,this.bufParams=e}function ir(){this.subgraphs=null,this.seg=new ce,this.cga=new he;var t=arguments[0];this.subgraphs=t}function rr(){this.upwardSeg=null,this.leftDepth=null;var t=arguments[0],e=arguments[1];this.upwardSeg=new ce(t),this.leftDepth=e}function sr(){this.inputGeom=null,this.distance=null,this.curveBuilder=null,this.curveList=new I;var t=arguments[0],e=arguments[1],n=arguments[2];this.inputGeom=t,this.distance=e,this.curveBuilder=n}function or(){this._hasIntersection=!1,this.hasProper=!1,this.hasProperInterior=!1,this.hasInterior=!1,this.properIntersectionPoint=null,this.li=null,this.isSelfIntersection=null,this.numIntersections=0,this.numInteriorIntersections=0,this.numProperIntersections=0,this.numTests=0;var t=arguments[0];this.li=t}function ar(){this.bufParams=null,this.workingPrecisionModel=null,this.workingNoder=null,this.geomFact=null,this.graph=null,this.edgeList=new ni;var t=arguments[0];this.bufParams=t}function ur(){this.li=new ae,this.segStrings=null;var t=arguments[0];this.segStrings=t}function lr(){this.li=null,this.pt=null,this.originalPt=null,this.ptScaled=null,this.p0Scaled=null,this.p1Scaled=null,this.scaleFactor=null,this.minx=null,this.maxx=null,this.miny=null,this.maxy=null,this.corner=new Array(4).fill(null),this.safeEnv=null;var t=arguments[0],e=arguments[1],n=arguments[2];if(this.originalPt=t,this.pt=t,this.scaleFactor=e,this.li=n,e<=0)throw new i("Scale factor must be non-zero");1!==e&&(this.pt=new g(this.scale(t.x),this.scale(t.y)),this.p0Scaled=new g,this.p1Scaled=new g),this.initCorners(this.pt)}function hr(){this.index=null;var t=arguments[0];this.index=t}function cr(){hi.apply(this),this.hotPixel=null,this.parentEdge=null,this.hotPixelVertexIndex=null,this._isNodeAdded=!1;var t=arguments[0],e=arguments[1],n=arguments[2];this.hotPixel=t,this.parentEdge=e,this.hotPixelVertexIndex=n}function fr(){this.li=null,this.interiorIntersections=null;var t=arguments[0];this.li=t,this.interiorIntersections=new I}function gr(){this.pm=null,this.li=null,this.scaleFactor=null,this.noder=null,this.pointSnapper=null,this.nodedSegStrings=null;var t=arguments[0];this.pm=t,this.li=new ae,this.li.setPrecisionModel(t),this.scaleFactor=t.getScale()}function dr(){if(this.argGeom=null,this.distance=null,this.bufParams=new Ki,this.resultGeometry=null,this.saveException=null,1===arguments.length){var t=arguments[0];this.argGeom=t}else if(2===arguments.length){var e=arguments[0],n=arguments[1];this.argGeom=e,this.bufParams=n}}function pr(){this.comps=null;var t=arguments[0];this.comps=t}function vr(){if(this.component=null,this.segIndex=null,this.pt=null,2===arguments.length){var t=arguments[0],e=arguments[1];vr.call(this,t,vr.INSIDE_AREA,e)}else if(3===arguments.length){var n=arguments[0],i=arguments[1],r=arguments[2];this.component=n,this.segIndex=i,this.pt=r}}function mr(){this.pts=null;var t=arguments[0];this.pts=t}function yr(){this.locations=null;var t=arguments[0];this.locations=t}function xr(){if(this.geom=null,this.terminateDistance=0,this.ptLocator=new Te,this.minDistanceLocation=null,this.minDistance=r.MAX_VALUE,2===arguments.length){var t=arguments[0],e=arguments[1];xr.call(this,t,e,0)}else if(3===arguments.length){var n=arguments[0],i=arguments[1],s=arguments[2];this.geom=new Array(2).fill(null),this.geom[0]=n,this.geom[1]=i,this.terminateDistance=s}}function Er(){this.factory=null,this.directedEdges=new I,this.coordinates=null;var t=arguments[0];this.factory=t}function Ir(){this._isMarked=!1,this._isVisited=!1,this.data=null}function Nr(){Ir.apply(this),this.parentEdge=null,this.from=null,this.to=null,this.p0=null,this.p1=null,this.sym=null,this.edgeDirection=null,this.quadrant=null,this.angle=null;var t=arguments[0],e=arguments[1],n=arguments[2],i=arguments[3];this.from=t,this.to=e,this.edgeDirection=i,this.p0=t.getCoordinate(),this.p1=n;var r=this.p1.x-this.p0.x,s=this.p1.y-this.p0.y;this.quadrant=Je.quadrant(r,s),this.angle=Math.atan2(s,r)}function Cr(){var t=arguments[0],e=arguments[1],n=arguments[2],i=arguments[3];Nr.call(this,t,e,n,i)}function Sr(){if(Ir.apply(this),this.dirEdge=null,0===arguments.length);else if(2===arguments.length){var t=arguments[0],e=arguments[1];this.setDirectedEdges(t,e)}}function wr(){this.outEdges=new I,this.sorted=!1}function Lr(){if(Ir.apply(this),this.pt=null,this.deStar=null,1===arguments.length){var t=arguments[0];Lr.call(this,t,new wr)}else if(2===arguments.length){var e=arguments[0],n=arguments[1];this.pt=e,this.deStar=n}}function Rr(){Sr.apply(this),this.line=null;var t=arguments[0];this.line=t}function Tr(){this.nodeMap=new rt}function Pr(){this.edges=new J,this.dirEdges=new J,this.nodeMap=new Tr}function br(){Pr.apply(this)}function Or(){this.graph=new br,this.mergedLineStrings=null,this.factory=null,this.edgeStrings=null}function _r(){this.edgeRing=null,this.next=null,this.label=-1;var t=arguments[0],e=arguments[1],n=arguments[2],i=arguments[3];Nr.call(this,t,e,n,i)}function Mr(){Sr.apply(this),this.line=null;var t=arguments[0];this.line=t}function Dr(){this.geometryFactory=new ie,this.geomGraph=null,this.disconnectedRingcoord=null;var t=arguments[0];this.geomGraph=t}function Ar(){}function Fr(){if(this.edgeEnds=new I,1===arguments.length){var t=arguments[0];Fr.call(this,null,t)}else if(2===arguments.length){var e=(arguments[0],arguments[1]);En.call(this,e.getEdge(),e.getCoordinate(),e.getDirectedCoordinate(),new gn(e.getLabel())),this.insert(e)}}function Gr(){Pn.apply(this)}function qr(){var t=arguments[0],e=arguments[1];yn.call(this,t,e)}function Br(){Nn.apply(this)}function zr(){this.nodes=new xn(new Br)}function Vr(){this.li=new ae,this.geomGraph=null,this.nodeGraph=new zr,this.invalidPoint=null;var t=arguments[0];this.geomGraph=t}function kr(){this.graph=null,this.rings=new I,this.totalEnv=new C,this.index=null,this.nestedPt=null;var t=arguments[0];this.graph=t}function Yr(){if(this.errorType=null,this.pt=null,1===arguments.length){var t=arguments[0];Yr.call(this,t,null)}else if(2===arguments.length){var e=arguments[0],n=arguments[1];this.errorType=e,null!==n&&(this.pt=n.copy())}}function Ur(){this.parentGeometry=null,this.isSelfTouchingRingFormingHoleValid=!1,this.validErr=null;var t=arguments[0];this.parentGeometry=t}function Xr(){this.factory=null,this.deList=new I,this.lowestEdge=null,this.ring=null,this.ringPts=null,this.holes=null,this.shell=null,this._isHole=null,this._isProcessed=!1,this._isIncludedSet=!1,this._isIncluded=!1;var t=arguments[0];this.factory=t}function Hr(){}function Wr(){Pr.apply(this),this.factory=null;var t=arguments[0];this.factory=t}function jr(){if(this.lineStringAdder=new Kr(this),this.graph=null,this.dangles=new I,this.cutEdges=new I,this.invalidRingLines=new I,this.holeList=null,this.shellList=null,this.polyList=null,this.isCheckingRingsValid=!0,this.extractOnlyPolygonal=null,this.geomFactory=null,0===arguments.length)jr.call(this,!1);else if(1===arguments.length){var t=arguments[0];this.extractOnlyPolygonal=t}}function Kr(){this.p=null;var t=arguments[0];this.p=t}function Zr(){this.li=new ae,this.ptLocator=new Te,this.arg=null,this.nodes=new xn(new Br),this.im=null,this.isolatedEdges=new I,this.invalidPoint=null;var t=arguments[0];this.arg=t}function Qr(){this.rectEnv=null;var t=arguments[0];this.rectEnv=t.getEnvelopeInternal()}function Jr(){this.li=new ae,this.rectEnv=null,this.diagUp0=null,this.diagUp1=null,this.diagDown0=null,this.diagDown1=null;var t=arguments[0];this.rectEnv=t,this.diagUp0=new g(t.getMinX(),t.getMinY()),this.diagUp1=new g(t.getMaxX(),t.getMaxY()),this.diagDown0=new g(t.getMinX(),t.getMaxY()),this.diagDown1=new g(t.getMaxX(),t.getMinY())}function $r(){this._isDone=!1}function 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t=arguments[0];this.seg=t,this.segLen=t.getLength()}function ws(){}function Ls(){}function Rs(){}function Ts(){if(this.p=null,1===arguments.length){var t=arguments[0];this.p=new g(t)}else if(2===arguments.length){var e=arguments[0],n=arguments[1];this.p=new g(e,n)}else if(3===arguments.length){var i=arguments[0],r=arguments[1],s=arguments[2];this.p=new g(i,r,s)}}function Ps(){this._isOnConstraint=null,this.constraint=null;var t=arguments[0];Ts.call(this,t)}function bs(){this._rot=null,this.vertex=null,this.next=null,this.data=null}function Os(){this.subdiv=null,this.isUsingTolerance=!1;var t=arguments[0];this.subdiv=t,this.isUsingTolerance=t.getTolerance()>0}function _s(){}function Ms(){this.subdiv=null,this.lastEdge=null;var t=arguments[0];this.subdiv=t,this.init()}function Ds(){if(this.seg=null,1===arguments.length){if("string"==typeof arguments[0]){var t=arguments[0];l.call(this,t)}else if(arguments[0]instanceof ce){var e=arguments[0];l.call(this,"Locate failed to converge (at edge: 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t=this.add(.5);return t.floor()},setValue:function(){if(arguments[0]instanceof _){var t=arguments[0];return this.init(t),this}if("number"==typeof arguments[0]){var e=arguments[0];return this.init(e),this}},max:function(t){return this.ge(t)?this:t},sqrt:function(){if(this.isZero())return _.valueOf(0);if(this.isNegative())return _.NaN;var t=1/Math.sqrt(this.hi),e=this.hi*t,n=_.valueOf(e),i=this.subtract(n.sqr()),r=i.hi*(.5*t);return n.add(r)},selfAdd:function(){if(1===arguments.length){if(arguments[0]instanceof _){var t=arguments[0];return this.selfAdd(t.hi,t.lo)}if("number"==typeof arguments[0]){var e=arguments[0],n=null,i=null,r=null,s=null,o=null,a=null;return r=this.hi+e,o=r-this.hi,s=r-o,s=e-o+(this.hi-s),a=s+this.lo,n=r+a,i=a+(r-n),this.hi=n+i,this.lo=i+(n-this.hi),this}}else if(2===arguments.length){var u=arguments[0],l=arguments[1],n=null,i=null,h=null,c=null,r=null,s=null,o=null,a=null;r=this.hi+u,h=this.lo+l,o=r-this.hi,a=h-this.lo,s=r-o,c=h-a,s=u-o+(this.hi-s),c=l-a+(this.lo-c),o=s+h,n=r+o,i=o+(r-n),o=c+i;var f=n+o,g=o+(n-f);return this.hi=f,this.lo=g,this}},selfMultiply:function(){if(1===arguments.length){if(arguments[0]instanceof _){var t=arguments[0];return this.selfMultiply(t.hi,t.lo)}if("number"==typeof arguments[0]){var e=arguments[0];return this.selfMultiply(e,0)}}else if(2===arguments.length){var n=arguments[0],i=arguments[1],r=null,s=null,o=null,a=null,u=null,l=null;u=_.SPLIT*this.hi,r=u-this.hi,l=_.SPLIT*n,r=u-r,s=this.hi-r,o=l-n,u=this.hi*n,o=l-o,a=n-o,l=r*o-u+r*a+s*o+s*a+(this.hi*i+this.lo*n);var h=u+l;r=u-h;var c=l+r;return this.hi=h,this.lo=c,this}},selfSqr:function(){return this.selfMultiply(this)},floor:function(){if(this.isNaN())return _.NaN;var t=Math.floor(this.hi),e=0;return t===this.hi&&(e=Math.floor(this.lo)),new _(t,e)},negate:function(){return 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pt,this.endpointMap.put(t,e)),e.count++},interfaces_:function(){return[]},getClass:function(){return dt}}),dt.getBoundary=function(){if(1===arguments.length){var t=arguments[0],e=new dt(t);return e.getBoundary()}if(2===arguments.length){var n=arguments[0],i=arguments[1],e=new dt(n,i);return e.getBoundary()}},e(pt.prototype,{interfaces_:function(){return[]},getClass:function(){return pt}}),e(Nt.prototype,{interfaces_:function(){return[]},getClass:function(){return Nt}}),Nt.chars=function(t,e){for(var n=new Array(e).fill(null),i=0;i<e;i++)n[i]=t;return new String(n)},Nt.getStackTrace=function(){if(1===arguments.length){var t=arguments[0],e=new xt,n=new vt(e);return t.printStackTrace(n),e.toString()}if(2===arguments.length){for(var i=arguments[0],r=arguments[1],s="",o=new mt(Nt.getStackTrace(i)),a=new It(o),u=0;u<r;u++)try{s+=a.readLine()+Nt.NEWLINE}catch(t){if(!(t instanceof Et))throw t;f.shouldNeverReachHere()}finally{}return s}},Nt.split=function(t,e){for(var n=e.length,i=new I,r=""+t,s=r.indexOf(e);s>=0;){var o=r.substring(0,s);i.add(o),r=r.substring(s+n),s=r.indexOf(e)}r.length>0&&i.add(r);for(var a=new Array(i.size()).fill(null),u=0;u<a.length;u++)a[u]=i.get(u);return a},Nt.toString=function(){if(1===arguments.length){var t=arguments[0];return Nt.SIMPLE_ORDINATE_FORMAT.format(t)}},Nt.spaces=function(t){return Nt.chars(" ",t)},Nt.NEWLINE=A.getProperty("line.separator"),Nt.SIMPLE_ORDINATE_FORMAT=new yt("0.#"),e(Ct.prototype,{interfaces_:function(){return[]},getClass:function(){return Ct}}),Ct.copyCoord=function(t,e,n,i){for(var r=Math.min(t.getDimension(),n.getDimension()),s=0;s<r;s++)n.setOrdinate(i,s,t.getOrdinate(e,s))},Ct.isRing=function(t){var e=t.size();return 0===e||!(e<=3)&&(t.getOrdinate(0,D.X)===t.getOrdinate(e-1,D.X)&&t.getOrdinate(0,D.Y)===t.getOrdinate(e-1,D.Y))},Ct.isEqual=function(t,e){var n=t.size(),i=e.size();if(n!==i)return!1;for(var s=Math.min(t.getDimension(),e.getDimension()),o=0;o<n;o++)for(var a=0;a<s;a++){var u=t.getOrdinate(o,a),l=e.getOrdinate(o,a);if(!(t.getOrdinate(o,a)===e.getOrdinate(o,a)||r.isNaN(u)&&r.isNaN(l)))return!1}return!0},Ct.extend=function(t,e,n){var i=t.create(n,e.getDimension()),r=e.size();if(Ct.copy(e,0,i,0,r),r>0)for(var s=r;s<n;s++)Ct.copy(e,r-1,i,s,1);return i},Ct.reverse=function(t){for(var e=t.size()-1,n=Math.trunc(e/2),i=0;i<=n;i++)Ct.swap(t,i,e-i)},Ct.swap=function(t,e,n){if(e===n)return null;for(var i=0;i<t.getDimension();i++){var r=t.getOrdinate(e,i);t.setOrdinate(e,i,t.getOrdinate(n,i)),t.setOrdinate(n,i,r)}},Ct.copy=function(t,e,n,i,r){for(var s=0;s<r;s++)Ct.copyCoord(t,e+s,n,i+s)},Ct.toString=function(){if(1===arguments.length){var t=arguments[0],e=t.size();if(0===e)return"()";var n=t.getDimension(),i=new P;i.append("(");for(var r=0;r<e;r++){r>0&&i.append(" ");for(var s=0;s<n;s++)s>0&&i.append(","),i.append(Nt.toString(t.getOrdinate(r,s)))}return i.append(")"),i.toString()}},Ct.ensureValidRing=function(t,e){var n=e.size();if(0===n)return e;if(n<=3)return Ct.createClosedRing(t,e,4);var i=e.getOrdinate(0,D.X)===e.getOrdinate(n-1,D.X)&&e.getOrdinate(0,D.Y)===e.getOrdinate(n-1,D.Y);return i?e:Ct.createClosedRing(t,e,n+1)},Ct.createClosedRing=function(t,e,n){var i=t.create(n,e.getDimension()),r=e.size();Ct.copy(e,0,i,0,r);for(var s=r;s<n;s++)Ct.copy(e,0,i,s,1);return i},h(St,B),e(St.prototype,{computeEnvelopeInternal:function(){return this.isEmpty()?new C:this.points.expandEnvelope(new C)},isRing:function(){return this.isClosed()&&this.isSimple()},getSortIndex:function(){return B.SORTINDEX_LINESTRING},getCoordinates:function(){return this.points.toCoordinateArray()},equalsExact:function(){if(2===arguments.length){var t=arguments[0],e=arguments[1];if(!this.isEquivalentClass(t))return!1;var n=t;if(this.points.size()!==n.points.size())return!1;for(var i=0;i<this.points.size();i++)if(!this.equal(this.points.getCoordinate(i),n.points.getCoordinate(i),e))return!1;return!0}return B.prototype.equalsExact.apply(this,arguments)},normalize:function(){for(var t=0;t<Math.trunc(this.points.size()/2);t++){var e=this.points.size()-1-t;if(!this.points.getCoordinate(t).equals(this.points.getCoordinate(e)))return this.points.getCoordinate(t).compareTo(this.points.getCoordinate(e))>0&&Ct.reverse(this.points),null}},getCoordinate:function(){return this.isEmpty()?null:this.points.getCoordinate(0)},getBoundaryDimension:function(){return this.isClosed()?lt.FALSE:0},isClosed:function(){return!this.isEmpty()&&this.getCoordinateN(0).equals2D(this.getCoordinateN(this.getNumPoints()-1))},getEndPoint:function(){return this.isEmpty()?null:this.getPointN(this.getNumPoints()-1)},getDimension:function(){return 1},getLength:function(){return he.computeLength(this.points)},getNumPoints:function(){return this.points.size()},reverse:function(){var t=this.points.copy();Ct.reverse(t);var e=this.getFactory().createLineString(t);return e},compareToSameClass:function(){if(1===arguments.length){for(var t=arguments[0],e=t,n=0,i=0;n<this.points.size()&&i<e.points.size();){var r=this.points.getCoordinate(n).compareTo(e.points.getCoordinate(i));if(0!==r)return r;n++,i++}return n<this.points.size()?1:i<e.points.size()?-1:0}if(2===arguments.length){var s=arguments[0],o=arguments[1],e=s;return o.compare(this.points,e.points)}},apply:function(){if(R(arguments[0],z))for(var t=arguments[0],e=0;e<this.points.size();e++)t.filter(this.points.getCoordinate(e));else if(R(arguments[0],ct)){var n=arguments[0];if(0===this.points.size())return null;for(var e=0;e<this.points.size()&&(n.filter(this.points,e),!n.isDone());e++);n.isGeometryChanged()&&this.geometryChanged()}else if(R(arguments[0],ht)){var i=arguments[0];i.filter(this)}else if(R(arguments[0],q)){var r=arguments[0];r.filter(this)}},getBoundary:function(){return new dt(this).getBoundary()},isEquivalentClass:function(t){return t instanceof St},clone:function(){var t=B.prototype.clone.call(this);return t.points=this.points.clone(),t},getCoordinateN:function(t){return this.points.getCoordinate(t)},getGeometryType:function(){return"LineString"},copy:function(){return new St(this.points.copy(),this.factory)},getCoordinateSequence:function(){return this.points},isEmpty:function(){return 0===this.points.size()},init:function(t){if(null===t&&(t=this.getFactory().getCoordinateSequenceFactory().create([])),1===t.size())throw new i("Invalid number of points in LineString (found "+t.size()+" - must be 0 or >= 2)");this.points=t},isCoordinate:function(t){for(var e=0;e<this.points.size();e++)if(this.points.getCoordinate(e).equals(t))return!0;return!1},getStartPoint:function(){return this.isEmpty()?null:this.getPointN(0)},getPointN:function(t){return this.getFactory().createPoint(this.points.getCoordinate(t))},interfaces_:function(){return[st]},getClass:function(){return St}}),St.serialVersionUID=0x2b2b51ba435c8e00,e(wt.prototype,{interfaces_:function(){return[]},getClass:function(){return wt}}),h(Lt,B),e(Lt.prototype,{computeEnvelopeInternal:function(){if(this.isEmpty())return new C;var t=new C;return t.expandToInclude(this.coordinates.getX(0),this.coordinates.getY(0)),t},getSortIndex:function(){return B.SORTINDEX_POINT},getCoordinates:function(){return this.isEmpty()?[]:[this.getCoordinate()]},equalsExact:function(){if(2===arguments.length){var t=arguments[0],e=arguments[1];return!!this.isEquivalentClass(t)&&(!(!this.isEmpty()||!t.isEmpty())||this.isEmpty()===t.isEmpty()&&this.equal(t.getCoordinate(),this.getCoordinate(),e))}return B.prototype.equalsExact.apply(this,arguments)},normalize:function(){},getCoordinate:function(){return 0!==this.coordinates.size()?this.coordinates.getCoordinate(0):null},getBoundaryDimension:function(){return lt.FALSE},getDimension:function(){return 0},getNumPoints:function(){return this.isEmpty()?0:1},reverse:function(){return this.copy()},getX:function(){if(null===this.getCoordinate())throw new IllegalStateException("getX called on empty Point");return this.getCoordinate().x},compareToSameClass:function(){if(1===arguments.length){var t=arguments[0],e=t;return this.getCoordinate().compareTo(e.getCoordinate())}if(2===arguments.length){var n=arguments[0],i=arguments[1],e=n;return i.compare(this.coordinates,e.coordinates)}},apply:function(){if(R(arguments[0],z)){var t=arguments[0];if(this.isEmpty())return null;t.filter(this.getCoordinate())}else if(R(arguments[0],ct)){var e=arguments[0];if(this.isEmpty())return null;e.filter(this.coordinates,0),e.isGeometryChanged()&&this.geometryChanged()}else if(R(arguments[0],ht)){var n=arguments[0];n.filter(this)}else if(R(arguments[0],q)){var i=arguments[0];i.filter(this)}},getBoundary:function(){return this.getFactory().createGeometryCollection(null)},clone:function(){var t=B.prototype.clone.call(this);return t.coordinates=this.coordinates.clone(),t},getGeometryType:function(){return"Point"},copy:function(){return new Lt(this.coordinates.copy(),this.factory)},getCoordinateSequence:function(){return this.coordinates},getY:function(){if(null===this.getCoordinate())throw new IllegalStateException("getY called on empty Point");return this.getCoordinate().y},isEmpty:function(){return 0===this.coordinates.size()},init:function(t){null===t&&(t=this.getFactory().getCoordinateSequenceFactory().create([])),f.isTrue(t.size()<=1),this.coordinates=t},isSimple:function(){return!0},interfaces_:function(){return[wt]},getClass:function(){return Lt}}),Lt.serialVersionUID=0x44077bad161cbc00,e(Rt.prototype,{interfaces_:function(){return[]},getClass:function(){return Rt}}),h(Tt,B),e(Tt.prototype,{computeEnvelopeInternal:function(){return this.shell.getEnvelopeInternal()},getSortIndex:function(){return B.SORTINDEX_POLYGON},getCoordinates:function(){if(this.isEmpty())return[];for(var t=new Array(this.getNumPoints()).fill(null),e=-1,n=this.shell.getCoordinates(),i=0;i<n.length;i++)e++,t[e]=n[i];for(var r=0;r<this.holes.length;r++)for(var s=this.holes[r].getCoordinates(),o=0;o<s.length;o++)e++,t[e]=s[o];return t},getArea:function(){var t=0;t+=Math.abs(he.signedArea(this.shell.getCoordinateSequence()));for(var e=0;e<this.holes.length;e++)t-=Math.abs(he.signedArea(this.holes[e].getCoordinateSequence()));return t},isRectangle:function(){if(0!==this.getNumInteriorRing())return!1;if(null===this.shell)return!1;if(5!==this.shell.getNumPoints())return!1;for(var t=this.shell.getCoordinateSequence(),e=this.getEnvelopeInternal(),n=0;n<5;n++){var i=t.getX(n);if(i!==e.getMinX()&&i!==e.getMaxX())return!1;var r=t.getY(n);if(r!==e.getMinY()&&r!==e.getMaxY())return!1}for(var s=t.getX(0),o=t.getY(0),n=1;n<=4;n++){var i=t.getX(n),r=t.getY(n),a=i!==s,u=r!==o;if(a===u)return!1;s=i,o=r}return!0},equalsExact:function(){if(2===arguments.length){var t=arguments[0],e=arguments[1];if(!this.isEquivalentClass(t))return!1;var n=t,i=this.shell,r=n.shell;if(!i.equalsExact(r,e))return!1;if(this.holes.length!==n.holes.length)return!1;for(var s=0;s<this.holes.length;s++)if(!this.holes[s].equalsExact(n.holes[s],e))return!1;return!0}return B.prototype.equalsExact.apply(this,arguments)},normalize:function(){if(0===arguments.length){this.normalize(this.shell,!0);for(var t=0;t<this.holes.length;t++)this.normalize(this.holes[t],!1);ut.sort(this.holes)}else if(2===arguments.length){var e=arguments[0],n=arguments[1];if(e.isEmpty())return null;var i=new Array(e.getCoordinates().length-1).fill(null);A.arraycopy(e.getCoordinates(),0,i,0,i.length);var r=H.minCoordinate(e.getCoordinates());H.scroll(i,r),A.arraycopy(i,0,e.getCoordinates(),0,i.length),e.getCoordinates()[i.length]=i[0],he.isCCW(e.getCoordinates())===n&&H.reverse(e.getCoordinates())}},getCoordinate:function(){return this.shell.getCoordinate()},getNumInteriorRing:function(){return this.holes.length},getBoundaryDimension:function(){return 1},getDimension:function(){return 2},getLength:function(){var t=0;t+=this.shell.getLength();for(var e=0;e<this.holes.length;e++)t+=this.holes[e].getLength();return t},getNumPoints:function(){for(var t=this.shell.getNumPoints(),e=0;e<this.holes.length;e++)t+=this.holes[e].getNumPoints();return t},reverse:function(){var t=this.copy();t.shell=this.shell.copy().reverse(),t.holes=new Array(this.holes.length).fill(null);for(var e=0;e<this.holes.length;e++)t.holes[e]=this.holes[e].copy().reverse();return t},convexHull:function(){return this.getExteriorRing().convexHull()},compareToSameClass:function(){if(1===arguments.length){var t=arguments[0],e=this.shell,n=t.shell;return e.compareToSameClass(n)}if(2===arguments.length){var i=arguments[0],r=arguments[1],s=i,e=this.shell,n=s.shell,o=e.compareToSameClass(n,r);if(0!==o)return o;for(var a=this.getNumInteriorRing(),u=s.getNumInteriorRing(),l=0;l<a&&l<u;){var h=this.getInteriorRingN(l),c=s.getInteriorRingN(l),f=h.compareToSameClass(c,r);if(0!==f)return f;l++}return l<a?1:l<u?-1:0}},apply:function(){if(R(arguments[0],z)){var t=arguments[0];this.shell.apply(t);for(var e=0;e<this.holes.length;e++)this.holes[e].apply(t)}else if(R(arguments[0],ct)){var n=arguments[0];if(this.shell.apply(n),!n.isDone())for(var e=0;e<this.holes.length&&(this.holes[e].apply(n),!n.isDone());e++);n.isGeometryChanged()&&this.geometryChanged()}else if(R(arguments[0],ht)){var i=arguments[0];i.filter(this)}else if(R(arguments[0],q)){var r=arguments[0];r.filter(this),this.shell.apply(r);for(var e=0;e<this.holes.length;e++)this.holes[e].apply(r)}},getBoundary:function(){if(this.isEmpty())return this.getFactory().createMultiLineString();var t=new Array(this.holes.length+1).fill(null);t[0]=this.shell;for(var e=0;e<this.holes.length;e++)t[e+1]=this.holes[e];return t.length<=1?this.getFactory().createLinearRing(t[0].getCoordinateSequence()):this.getFactory().createMultiLineString(t)},clone:function(){var t=B.prototype.clone.call(this);t.shell=this.shell.clone(),t.holes=new Array(this.holes.length).fill(null);for(var e=0;e<this.holes.length;e++)t.holes[e]=this.holes[e].clone();return t},getGeometryType:function(){return"Polygon"},copy:function(){for(var t=this.shell.copy(),e=new Array(this.holes.length).fill(null),n=0;n<e.length;n++)e[n]=this.holes[n].copy();return new Tt(t,e,this.factory)},getExteriorRing:function(){return this.shell},isEmpty:function(){return this.shell.isEmpty()},getInteriorRingN:function(t){return this.holes[t]},interfaces_:function(){return[Rt]},getClass:function(){return Tt}}),Tt.serialVersionUID=-0x307ffefd8dc97200,h(Pt,ft),e(Pt.prototype,{getSortIndex:function(){return B.SORTINDEX_MULTIPOINT},isValid:function(){return!0},equalsExact:function(){if(2===arguments.length){var t=arguments[0],e=arguments[1];return!!this.isEquivalentClass(t)&&ft.prototype.equalsExact.call(this,t,e)}return ft.prototype.equalsExact.apply(this,arguments)},getCoordinate:function(){if(1===arguments.length){var t=arguments[0];return this.geometries[t].getCoordinate()}return ft.prototype.getCoordinate.apply(this,arguments)},getBoundaryDimension:function(){return lt.FALSE},getDimension:function(){return 0},getBoundary:function(){return this.getFactory().createGeometryCollection(null)},getGeometryType:function(){return"MultiPoint"},copy:function(){for(var t=new Array(this.geometries.length).fill(null),e=0;e<t.length;e++)t[e]=this.geometries[e].copy();return new Pt(t,this.factory)},interfaces_:function(){return[wt]},getClass:function(){return Pt}}),Pt.serialVersionUID=-0x6fb1ed4162e0fc00,h(bt,St),e(bt.prototype,{getSortIndex:function(){return B.SORTINDEX_LINEARRING},getBoundaryDimension:function(){return lt.FALSE},isClosed:function(){return!!this.isEmpty()||St.prototype.isClosed.call(this)},reverse:function(){var t=this.points.copy();Ct.reverse(t);var e=this.getFactory().createLinearRing(t);return e},validateConstruction:function(){if(!this.isEmpty()&&!St.prototype.isClosed.call(this))throw new i("Points of LinearRing do not form a closed linestring");if(this.getCoordinateSequence().size()>=1&&this.getCoordinateSequence().size()<bt.MINIMUM_VALID_SIZE)throw new i("Invalid number of points in LinearRing (found "+this.getCoordinateSequence().size()+" - must be 0 or >= 4)")},getGeometryType:function(){return"LinearRing"},copy:function(){return new bt(this.points.copy(),this.factory)},interfaces_:function(){return[]},getClass:function(){return bt}}),bt.MINIMUM_VALID_SIZE=4,bt.serialVersionUID=-0x3b229e262367a600,h(Ot,ft),e(Ot.prototype,{getSortIndex:function(){return B.SORTINDEX_MULTIPOLYGON},equalsExact:function(){if(2===arguments.length){var t=arguments[0],e=arguments[1];return!!this.isEquivalentClass(t)&&ft.prototype.equalsExact.call(this,t,e)}return ft.prototype.equalsExact.apply(this,arguments)},getBoundaryDimension:function(){return 1},getDimension:function(){return 2},reverse:function(){for(var t=this.geometries.length,e=new Array(t).fill(null),n=0;n<this.geometries.length;n++)e[n]=this.geometries[n].reverse();return this.getFactory().createMultiPolygon(e)},getBoundary:function(){if(this.isEmpty())return this.getFactory().createMultiLineString();for(var t=new I,e=0;e<this.geometries.length;e++)for(var n=this.geometries[e],i=n.getBoundary(),r=0;r<i.getNumGeometries();r++)t.add(i.getGeometryN(r));var s=new Array(t.size()).fill(null);return this.getFactory().createMultiLineString(t.toArray(s))},getGeometryType:function(){return"MultiPolygon"},copy:function(){for(var t=new Array(this.geometries.length).fill(null),e=0;e<t.length;e++)t[e]=this.geometries[e].copy();return new Ot(t,this.factory)},interfaces_:function(){return[Rt]},getClass:function(){return Ot}}),Ot.serialVersionUID=-0x7a5aa1369171980,e(_t.prototype,{setCopyUserData:function(t){this.isUserDataCopied=t},edit:function(t,e){if(null===t)return null;var n=this.editInternal(t,e);return this.isUserDataCopied&&n.setUserData(t.getUserData()),n},editInternal:function(t,e){return null===this.factory&&(this.factory=t.getFactory()),t instanceof ft?this.editGeometryCollection(t,e):t instanceof Tt?this.editPolygon(t,e):t instanceof Lt?e.edit(t,this.factory):t instanceof St?e.edit(t,this.factory):(f.shouldNeverReachHere("Unsupported Geometry class: "+t.getClass().getName()),null)},editGeometryCollection:function(t,e){for(var n=e.edit(t,this.factory),i=new I,r=0;r<n.getNumGeometries();r++){var s=this.edit(n.getGeometryN(r),e);null===s||s.isEmpty()||i.add(s)}return n.getClass()===Pt?this.factory.createMultiPoint(i.toArray([])):n.getClass()===gt?this.factory.createMultiLineString(i.toArray([])):n.getClass()===Ot?this.factory.createMultiPolygon(i.toArray([])):this.factory.createGeometryCollection(i.toArray([]))},editPolygon:function(t,e){var n=e.edit(t,this.factory);if(null===n&&(n=this.factory.createPolygon(null)),n.isEmpty())return n;var i=this.edit(n.getExteriorRing(),e);if(null===i||i.isEmpty())return this.factory.createPolygon();for(var r=new I,s=0;s<n.getNumInteriorRing();s++){var o=this.edit(n.getInteriorRingN(s),e);null===o||o.isEmpty()||r.add(o)}return this.factory.createPolygon(i,r.toArray([]))},interfaces_:function(){return[]},getClass:function(){return _t}}),_t.GeometryEditorOperation=Mt,e(Dt.prototype,{edit:function(t,e){return t},interfaces_:function(){return[Mt]},getClass:function(){return Dt}}),e(At.prototype,{edit:function(t,e){var n=this.editCoordinates(t.getCoordinates(),t);return null===n?t:t instanceof bt?e.createLinearRing(n):t instanceof St?e.createLineString(n):t instanceof Lt?n.length>0?e.createPoint(n[0]):e.createPoint():t},interfaces_:function(){return[Mt]},getClass:function(){return At}}),e(Ft.prototype,{edit:function(t,e){return t instanceof bt?e.createLinearRing(this.edit(t.getCoordinateSequence(),t)):t instanceof St?e.createLineString(this.edit(t.getCoordinateSequence(),t)):t instanceof Lt?e.createPoint(this.edit(t.getCoordinateSequence(),t)):t},interfaces_:function(){return[Mt]},getClass:function(){return Ft}}),_t.NoOpGeometryOperation=Dt,_t.CoordinateOperation=At,_t.CoordinateSequenceOperation=Ft,e(Gt.prototype,{setOrdinate:function(t,e,n){switch(e){case D.X:this.coordinates[t].x=n;break;case D.Y:this.coordinates[t].y=n;break;case D.Z:this.coordinates[t].z=n;break;default:throw new i("invalid ordinateIndex")}},size:function(){return this.coordinates.length},getOrdinate:function(t,e){switch(e){case D.X:return this.coordinates[t].x;case D.Y:return this.coordinates[t].y;case D.Z:return this.coordinates[t].z}return r.NaN},getCoordinate:function(){if(1===arguments.length){var t=arguments[0];return this.coordinates[t]}if(2===arguments.length){var e=arguments[0],n=arguments[1];n.x=this.coordinates[e].x,n.y=this.coordinates[e].y,n.z=this.coordinates[e].z}},getCoordinateCopy:function(t){return new g(this.coordinates[t])},getDimension:function(){return this.dimension},getX:function(t){return this.coordinates[t].x},clone:function(){for(var t=new Array(this.size()).fill(null),e=0;e<this.coordinates.length;e++)t[e]=this.coordinates[e].clone();return new Gt(t,this.dimension)},expandEnvelope:function(t){for(var e=0;e<this.coordinates.length;e++)t.expandToInclude(this.coordinates[e]);return t},copy:function(){for(var t=new Array(this.size()).fill(null),e=0;e<this.coordinates.length;e++)t[e]=this.coordinates[e].copy();return new Gt(t,this.dimension)},toString:function(){if(this.coordinates.length>0){var t=new P(17*this.coordinates.length);t.append("("),t.append(this.coordinates[0]);for(var e=1;e<this.coordinates.length;e++)t.append(", "),t.append(this.coordinates[e]);return t.append(")"),t.toString()}return"()"},getY:function(t){return this.coordinates[t].y},toCoordinateArray:function(){return this.coordinates},interfaces_:function(){return[D,u]},getClass:function(){return Gt}}),Gt.serialVersionUID=-0xcb44a778db18e00,e(qt.prototype,{readResolve:function(){return qt.instance()},create:function(){if(1===arguments.length){if(arguments[0]instanceof Array){var t=arguments[0];return new Gt(t)}if(R(arguments[0],D)){var e=arguments[0];return new Gt(e)}}else if(2===arguments.length){var n=arguments[0],i=arguments[1];return i>3&&(i=3),i<2?new Gt(n):new Gt(n,i)}},interfaces_:function(){return[G,u]},getClass:function(){return qt}}),qt.instance=function(){return qt.instanceObject},qt.serialVersionUID=-0x38e49fa6cf6f2e00,qt.instanceObject=new qt;var 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s=r.next(),o=s.getClass();null===e&&(e=o),o!==e&&(n=!0),s.isGeometryCollectionOrDerived()&&(i=!0)}if(null===e)return this.createGeometryCollection();if(n||i)return this.createGeometryCollection(ie.toGeometryArray(t));var a=t.iterator().next(),u=t.size()>1;if(u){if(a instanceof Tt)return this.createMultiPolygon(ie.toPolygonArray(t));if(a instanceof St)return this.createMultiLineString(ie.toLineStringArray(t));if(a instanceof Lt)return this.createMultiPoint(ie.toPointArray(t));f.shouldNeverReachHere("Unhandled class: "+a.getClass().getName())}return a},createMultiPointFromCoords:function(t){return this.createMultiPoint(null!==t?this.getCoordinateSequenceFactory().create(t):null)},createPoint:function(){if(0===arguments.length)return this.createPoint(this.getCoordinateSequenceFactory().create([]));if(1===arguments.length){if(arguments[0]instanceof g){var t=arguments[0];return this.createPoint(null!==t?this.getCoordinateSequenceFactory().create([t]):null)}if(R(arguments[0],D)){var 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e=[],n=0,i=t.geometries.length;n<i;++n)e.push("("+ao.linestring.apply(this,[t.geometries[n]])+")");return e.join(",")},polygon:function(t){var e=[];e.push("("+ao.linestring.apply(this,[t.shell])+")");for(var n=0,i=t.holes.length;n<i;++n)e.push("("+ao.linestring.apply(this,[t.holes[n]])+")");return e.join(",")},multipolygon:function(t){for(var e=[],n=0,i=t.geometries.length;n<i;++n)e.push("("+ao.polygon.apply(this,[t.geometries[n]])+")");return e.join(",")},geometrycollection:function(t){for(var e=[],n=0,i=t.geometries.length;n<i;++n)e.push(this.extractGeometry(t.geometries[n]));return e.join(",")}},uo={point:function(t){if(void 0===t)return this.geometryFactory.createPoint();var e=t.trim().split(oo.spaces);return this.geometryFactory.createPoint(new g(Number.parseFloat(e[0]),Number.parseFloat(e[1])))},multipoint:function(t){if(void 0===t)return this.geometryFactory.createMultiPoint();for(var 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this.geometryFactory.createMultiLineString(i)},polygon:function(t){if(void 0===t)return this.geometryFactory.createPolygon();for(var e,n,i,r,s=t.trim().split(oo.parenComma),o=[],a=0,u=s.length;a<u;++a)e=s[a].replace(oo.trimParens,"$1"),n=uo.linestring.apply(this,[e]),i=this.geometryFactory.createLinearRing(n.points),0===a?r=i:o.push(i);return this.geometryFactory.createPolygon(r,o)},multipolygon:function(t){if(void 0===t)return this.geometryFactory.createMultiPolygon();for(var e,n=t.trim().split(oo.doubleParenComma),i=[],r=0,s=n.length;r<s;++r)e=n[r].replace(oo.trimParens,"$1"),i.push(uo.polygon.apply(this,[e]));return this.geometryFactory.createMultiPolygon(i)},geometrycollection:function(t){if(void 0===t)return this.geometryFactory.createGeometryCollection();t=t.replace(/,\s*([A-Za-z])/g,"|$1");for(var e=t.trim().split("|"),n=[],i=0,r=e.length;i<r;++i)n.push(this.read(e[i]));return this.geometryFactory.createGeometryCollection(n)}};e(se.prototype,{write:function(t){return this.parser.write(t)}}),e(se,{toLineString:function(t,e){if(2!==arguments.length)throw new Error("Not implemented");return"LINESTRING ( "+t.x+" "+t.y+", "+e.x+" "+e.y+" )"}}),e(oe.prototype,{getIndexAlongSegment:function(t,e){return this.computeIntLineIndex(),this.intLineIndex[t][e]},getTopologySummary:function(){var t=new P;return this.isEndPoint()&&t.append(" endpoint"),this._isProper&&t.append(" proper"),this.isCollinear()&&t.append(" collinear"),t.toString()},computeIntersection:function(t,e,n,i){this.inputLines[0][0]=t,this.inputLines[0][1]=e,this.inputLines[1][0]=n,this.inputLines[1][1]=i,this.result=this.computeIntersect(t,e,n,i)},getIntersectionNum:function(){return this.result},computeIntLineIndex:function(){if(0===arguments.length)null===this.intLineIndex&&(this.intLineIndex=Array(2).fill().map(function(){return Array(2)}),this.computeIntLineIndex(0),this.computeIntLineIndex(1));else if(1===arguments.length){var t=arguments[0],e=this.getEdgeDistance(t,0),n=this.getEdgeDistance(t,1);e>n?(this.intLineIndex[t][0]=0,this.intLineIndex[t][1]=1):(this.intLineIndex[t][0]=1,this.intLineIndex[t][1]=0)}},isProper:function(){return this.hasIntersection()&&this._isProper},setPrecisionModel:function(t){this.precisionModel=t},isInteriorIntersection:function(){if(0===arguments.length)return!!this.isInteriorIntersection(0)||!!this.isInteriorIntersection(1);if(1===arguments.length){for(var t=arguments[0],e=0;e<this.result;e++)if(!this.intPt[e].equals2D(this.inputLines[t][0])&&!this.intPt[e].equals2D(this.inputLines[t][1]))return!0;return!1}},getIntersection:function(t){return this.intPt[t]},isEndPoint:function(){return this.hasIntersection()&&!this._isProper},hasIntersection:function(){return this.result!==oe.NO_INTERSECTION},getEdgeDistance:function(t,e){var n=oe.computeEdgeDistance(this.intPt[e],this.inputLines[t][0],this.inputLines[t][1]);return n},isCollinear:function(){return this.result===oe.COLLINEAR_INTERSECTION},toString:function(){return se.toLineString(this.inputLines[0][0],this.inputLines[0][1])+" - "+se.toLineString(this.inputLines[1][0],this.inputLines[1][1])+this.getTopologySummary()},getEndpoint:function(t,e){return this.inputLines[t][e]},isIntersection:function(t){for(var e=0;e<this.result;e++)if(this.intPt[e].equals2D(t))return!0;return!1},getIntersectionAlongSegment:function(t,e){return this.computeIntLineIndex(),this.intPt[this.intLineIndex[t][e]]},interfaces_:function(){return[]},getClass:function(){return oe}}),oe.computeEdgeDistance=function(t,e,n){var i=Math.abs(n.x-e.x),r=Math.abs(n.y-e.y),s=-1;if(t.equals(e))s=0;else if(t.equals(n))s=i>r?i:r;else{var o=Math.abs(t.x-e.x),a=Math.abs(t.y-e.y);s=i>r?o:a,0!==s||t.equals(e)||(s=Math.max(o,a))}return f.isTrue(!(0===s&&!t.equals(e)),"Bad distance calculation"),s},oe.nonRobustComputeEdgeDistance=function(t,e,n){var i=t.x-e.x,r=t.y-e.y,s=Math.sqrt(i*i+r*r);return f.isTrue(!(0===s&&!t.equals(e)),"Invalid distance calculation"),s},oe.DONT_INTERSECT=0,oe.DO_INTERSECT=1,oe.COLLINEAR=2,oe.NO_INTERSECTION=0,oe.POINT_INTERSECTION=1,oe.COLLINEAR_INTERSECTION=2,h(ae,oe),e(ae.prototype,{isInSegmentEnvelopes:function(t){var e=new C(this.inputLines[0][0],this.inputLines[0][1]),n=new C(this.inputLines[1][0],this.inputLines[1][1]);return e.contains(t)&&n.contains(t)},computeIntersection:function(){if(3!==arguments.length)return oe.prototype.computeIntersection.apply(this,arguments);var t=arguments[0],e=arguments[1],n=arguments[2];return this._isProper=!1,C.intersects(e,n,t)&&0===he.orientationIndex(e,n,t)&&0===he.orientationIndex(n,e,t)?(this._isProper=!0,(t.equals(e)||t.equals(n))&&(this._isProper=!1),this.result=oe.POINT_INTERSECTION,null):void(this.result=oe.NO_INTERSECTION)},normalizeToMinimum:function(t,e,n,i,r){r.x=this.smallestInAbsValue(t.x,e.x,n.x,i.x),r.y=this.smallestInAbsValue(t.y,e.y,n.y,i.y),t.x-=r.x,t.y-=r.y,e.x-=r.x,e.y-=r.y,n.x-=r.x,n.y-=r.y,i.x-=r.x,i.y-=r.y},safeHCoordinateIntersection:function(t,e,n,i){var r=null;try{r=F.intersection(t,e,n,i)}catch(s){if(!(s instanceof w))throw s;r=ae.nearestEndpoint(t,e,n,i)}finally{}return r},intersection:function(t,e,n,i){var r=this.intersectionWithNormalization(t,e,n,i);return this.isInSegmentEnvelopes(r)||(r=new g(ae.nearestEndpoint(t,e,n,i))),null!==this.precisionModel&&this.precisionModel.makePrecise(r),r},smallestInAbsValue:function(t,e,n,i){var r=t,s=Math.abs(r);return Math.abs(e)<s&&(r=e,s=Math.abs(e)),Math.abs(n)<s&&(r=n,s=Math.abs(n)),Math.abs(i)<s&&(r=i),r},checkDD:function(t,e,n,i,r){var s=M.intersection(t,e,n,i),o=this.isInSegmentEnvelopes(s);A.out.println("DD in env = "+o+"  --------------------- "+s),r.distance(s)>1e-4&&A.out.println("Distance = "+r.distance(s))},intersectionWithNormalization:function(t,e,n,i){var r=new g(t),s=new g(e),o=new g(n),a=new g(i),u=new g;this.normalizeToEnvCentre(r,s,o,a,u);var l=this.safeHCoordinateIntersection(r,s,o,a);return l.x+=u.x,l.y+=u.y,l},computeCollinearIntersection:function(t,e,n,i){var r=C.intersects(t,e,n),s=C.intersects(t,e,i),o=C.intersects(n,i,t),a=C.intersects(n,i,e);return r&&s?(this.intPt[0]=n,this.intPt[1]=i,oe.COLLINEAR_INTERSECTION):o&&a?(this.intPt[0]=t,this.intPt[1]=e,oe.COLLINEAR_INTERSECTION):r&&o?(this.intPt[0]=n,this.intPt[1]=t,!n.equals(t)||s||a?oe.COLLINEAR_INTERSECTION:oe.POINT_INTERSECTION):r&&a?(this.intPt[0]=n,this.intPt[1]=e,!n.equals(e)||s||o?oe.COLLINEAR_INTERSECTION:oe.POINT_INTERSECTION):s&&o?(this.intPt[0]=i,this.intPt[1]=t,!i.equals(t)||r||a?oe.COLLINEAR_INTERSECTION:oe.POINT_INTERSECTION):s&&a?(this.intPt[0]=i,this.intPt[1]=e,!i.equals(e)||r||o?oe.COLLINEAR_INTERSECTION:oe.POINT_INTERSECTION):oe.NO_INTERSECTION},normalizeToEnvCentre:function(t,e,n,i,r){var s=t.x<e.x?t.x:e.x,o=t.y<e.y?t.y:e.y,a=t.x>e.x?t.x:e.x,u=t.y>e.y?t.y:e.y,l=n.x<i.x?n.x:i.x,h=n.y<i.y?n.y:i.y,c=n.x>i.x?n.x:i.x,f=n.y>i.y?n.y:i.y,g=s>l?s:l,d=a<c?a:c,p=o>h?o:h,v=u<f?u:f,m=(g+d)/2,y=(p+v)/2;r.x=m,r.y=y,t.x-=r.x,t.y-=r.y,e.x-=r.x,e.y-=r.y,n.x-=r.x,n.y-=r.y,i.x-=r.x,i.y-=r.y},computeIntersect:function(t,e,n,i){if(this._isProper=!1,!C.intersects(t,e,n,i))return oe.NO_INTERSECTION;var r=he.orientationIndex(t,e,n),s=he.orientationIndex(t,e,i);if(r>0&&s>0||r<0&&s<0)return oe.NO_INTERSECTION;var o=he.orientationIndex(n,i,t),a=he.orientationIndex(n,i,e);if(o>0&&a>0||o<0&&a<0)return oe.NO_INTERSECTION;var u=0===r&&0===s&&0===o&&0===a;return u?this.computeCollinearIntersection(t,e,n,i):(0===r||0===s||0===o||0===a?(this._isProper=!1,t.equals2D(n)||t.equals2D(i)?this.intPt[0]=t:e.equals2D(n)||e.equals2D(i)?this.intPt[0]=e:0===r?this.intPt[0]=new g(n):0===s?this.intPt[0]=new g(i):0===o?this.intPt[0]=new g(t):0===a&&(this.intPt[0]=new g(e))):(this._isProper=!0,this.intPt[0]=this.intersection(t,e,n,i)),oe.POINT_INTERSECTION)},interfaces_:function(){return[]},getClass:function(){return ae}}),ae.nearestEndpoint=function(t,e,n,i){var r=t,s=he.distancePointLine(t,n,i),o=he.distancePointLine(e,n,i);return o<s&&(s=o,r=e),o=he.distancePointLine(n,t,e),o<s&&(s=o,r=n),o=he.distancePointLine(i,t,e),o<s&&(s=o,r=i),r},e(ue.prototype,{interfaces_:function(){return[]},getClass:function(){return ue}}),ue.orientationIndex=function(t,e,n){var i=e.x-t.x,r=e.y-t.y,s=n.x-e.x,o=n.y-e.y;return ue.signOfDet2x2(i,r,s,o)},ue.signOfDet2x2=function(t,e,n,i){var r=null,s=null,o=null,a=0;if(r=1,0===t||0===i)return 0===e||0===n?0:e>0?n>0?-r:r:n>0?r:-r;if(0===e||0===n)return i>0?t>0?r:-r:t>0?-r:r;if(0<e?0<i?e<=i||(r=-r,s=t,t=n,n=s,s=e,e=i,i=s):e<=-i?(r=-r,n=-n,i=-i):(s=t,t=-n,n=s,s=e,e=-i,i=s):0<i?-e<=i?(r=-r,t=-t,e=-e):(s=-t,t=n,n=s,s=-e,e=i,i=s):e>=i?(t=-t,e=-e,n=-n,i=-i):(r=-r,s=-t,t=-n,n=s,s=-e,e=-i,i=s),0<t){if(!(0<n))return r;if(!(t<=n))return r}else{if(0<n)return-r;if(!(t>=n))return-r;r=-r,t=-t,n=-n}for(;;){if(a+=1,o=Math.floor(n/t),n-=o*t,i-=o*e,i<0)return-r;if(i>e)return r;if(t>n+n){if(e<i+i)return r}else{if(e>i+i)return-r;n=t-n,i=e-i,r=-r}if(0===i)return 0===n?0:-r;if(0===n)return r;if(o=Math.floor(t/n),t-=o*n,e-=o*i,e<0)return r;if(e>i)return-r;if(n>t+t){if(i<e+e)return-r}else{if(i>e+e)return r;t=n-t,e=i-e,r=-r}if(0===e)return 0===t?0:r;if(0===t)return-r}},e(le.prototype,{countSegment:function(t,e){if(t.x<this.p.x&&e.x<this.p.x)return null;if(this.p.x===e.x&&this.p.y===e.y)return this.isPointOnSegment=!0,null;if(t.y===this.p.y&&e.y===this.p.y){var n=t.x,i=e.x;return n>i&&(n=e.x,i=t.x),this.p.x>=n&&this.p.x<=i&&(this.isPointOnSegment=!0),null}if(t.y>this.p.y&&e.y<=this.p.y||e.y>this.p.y&&t.y<=this.p.y){var r=t.x-this.p.x,s=t.y-this.p.y,o=e.x-this.p.x,a=e.y-this.p.y,u=ue.signOfDet2x2(r,s,o,a);if(0===u)return this.isPointOnSegment=!0,null;a<s&&(u=-u),u>0&&this.crossingCount++}},isPointInPolygon:function(){return this.getLocation()!==L.EXTERIOR},getLocation:function(){return this.isPointOnSegment?L.BOUNDARY:this.crossingCount%2===1?L.INTERIOR:L.EXTERIOR},isOnSegment:function(){return this.isPointOnSegment},interfaces_:function(){return[]},getClass:function(){return le}}),le.locatePointInRing=function(){if(arguments[0]instanceof g&&R(arguments[1],D)){for(var t=arguments[0],e=arguments[1],n=new le(t),i=new g,r=new g,s=1;s<e.size();s++)if(e.getCoordinate(s,i),e.getCoordinate(s-1,r),n.countSegment(i,r),n.isOnSegment())return n.getLocation();return n.getLocation()}if(arguments[0]instanceof g&&arguments[1]instanceof Array){for(var o=arguments[0],a=arguments[1],n=new le(o),s=1;s<a.length;s++){var i=a[s],r=a[s-1];if(n.countSegment(i,r),n.isOnSegment())return n.getLocation()}return n.getLocation()}},e(he.prototype,{interfaces_:function(){return[]},getClass:function(){return he}}),he.orientationIndex=function(t,e,n){return M.orientationIndex(t,e,n)},he.signedArea=function(){if(arguments[0]instanceof Array){var t=arguments[0];if(t.length<3)return 0;for(var e=0,n=t[0].x,i=1;i<t.length-1;i++){var r=t[i].x-n,s=t[i+1].y,o=t[i-1].y;e+=r*(o-s)}return e/2}if(R(arguments[0],D)){var a=arguments[0],u=a.size();if(u<3)return 0;var l=new g,h=new g,c=new g;a.getCoordinate(0,h),a.getCoordinate(1,c);var n=h.x;c.x-=n;for(var e=0,i=1;i<u-1;i++)l.y=h.y,h.x=c.x,h.y=c.y,a.getCoordinate(i+1,c),c.x-=n,e+=h.x*(l.y-c.y);return e/2}},he.distanceLineLine=function(t,e,n,i){if(t.equals(e))return he.distancePointLine(t,n,i);if(n.equals(i))return he.distancePointLine(i,t,e);var r=!1;if(C.intersects(t,e,n,i)){var s=(e.x-t.x)*(i.y-n.y)-(e.y-t.y)*(i.x-n.x);if(0===s)r=!0;else{var o=(t.y-n.y)*(i.x-n.x)-(t.x-n.x)*(i.y-n.y),a=(t.y-n.y)*(e.x-t.x)-(t.x-n.x)*(e.y-t.y),u=a/s,l=o/s;(l<0||l>1||u<0||u>1)&&(r=!0)}}else r=!0;return r?T.min(he.distancePointLine(t,n,i),he.distancePointLine(e,n,i),he.distancePointLine(n,t,e),he.distancePointLine(i,t,e)):0},he.isPointInRing=function(t,e){return he.locatePointInRing(t,e)!==L.EXTERIOR},he.computeLength=function(t){var e=t.size();if(e<=1)return 0;var n=0,i=new g;t.getCoordinate(0,i);for(var r=i.x,s=i.y,o=1;o<e;o++){t.getCoordinate(o,i);var a=i.x,u=i.y,l=a-r,h=u-s;n+=Math.sqrt(l*l+h*h),r=a,s=u}return n},he.isCCW=function(t){var e=t.length-1;if(e<3)throw new i("Ring has fewer than 4 points, so orientation cannot be determined");for(var n=t[0],r=0,s=1;s<=e;s++){var o=t[s];o.y>n.y&&(n=o,r=s)}var a=r;do a-=1,a<0&&(a=e);while(t[a].equals2D(n)&&a!==r);var u=r;do u=(u+1)%e;while(t[u].equals2D(n)&&u!==r);var l=t[a],h=t[u];if(l.equals2D(n)||h.equals2D(n)||l.equals2D(h))return!1;var c=he.computeOrientation(l,n,h),f=!1;return f=0===c?l.x>h.x:c>0},he.locatePointInRing=function(t,e){return le.locatePointInRing(t,e)},he.distancePointLinePerpendicular=function(t,e,n){var i=(n.x-e.x)*(n.x-e.x)+(n.y-e.y)*(n.y-e.y),r=((e.y-t.y)*(n.x-e.x)-(e.x-t.x)*(n.y-e.y))/i;return Math.abs(r)*Math.sqrt(i)},he.computeOrientation=function(t,e,n){return he.orientationIndex(t,e,n)},he.distancePointLine=function(){if(2===arguments.length){var t=arguments[0],e=arguments[1];if(0===e.length)throw new i("Line array must contain at least one vertex");for(var n=t.distance(e[0]),r=0;r<e.length-1;r++){var s=he.distancePointLine(t,e[r],e[r+1]);s<n&&(n=s)}return n}if(3===arguments.length){var o=arguments[0],a=arguments[1],u=arguments[2];if(a.x===u.x&&a.y===u.y)return o.distance(a);var l=(u.x-a.x)*(u.x-a.x)+(u.y-a.y)*(u.y-a.y),h=((o.x-a.x)*(u.x-a.x)+(o.y-a.y)*(u.y-a.y))/l;if(h<=0)return o.distance(a);if(h>=1)return o.distance(u);var c=((a.y-o.y)*(u.x-a.x)-(a.x-o.x)*(u.y-a.y))/l;return Math.abs(c)*Math.sqrt(l)}},he.isOnLine=function(t,e){for(var n=new ae,i=1;i<e.length;i++){var r=e[i-1],s=e[i];if(n.computeIntersection(t,r,s),n.hasIntersection())return!0}return!1},he.CLOCKWISE=-1,he.RIGHT=he.CLOCKWISE,he.COUNTERCLOCKWISE=1,he.LEFT=he.COUNTERCLOCKWISE,he.COLLINEAR=0,he.STRAIGHT=he.COLLINEAR,e(ce.prototype,{minX:function(){return Math.min(this.p0.x,this.p1.x)},orientationIndex:function(){if(arguments[0]instanceof ce){var t=arguments[0],e=he.orientationIndex(this.p0,this.p1,t.p0),n=he.orientationIndex(this.p0,this.p1,t.p1);return e>=0&&n>=0?Math.max(e,n):e<=0&&n<=0?Math.max(e,n):0}if(arguments[0]instanceof g){var i=arguments[0];return he.orientationIndex(this.p0,this.p1,i)}},toGeometry:function(t){return t.createLineString([this.p0,this.p1])},isVertical:function(){return this.p0.x===this.p1.x},equals:function(t){if(!(t instanceof ce))return!1;var e=t;return this.p0.equals(e.p0)&&this.p1.equals(e.p1)},intersection:function(t){var e=new ae;return e.computeIntersection(this.p0,this.p1,t.p0,t.p1),e.hasIntersection()?e.getIntersection(0):null},project:function(){if(arguments[0]instanceof g){var t=arguments[0];if(t.equals(this.p0)||t.equals(this.p1))return new g(t);var e=this.projectionFactor(t),n=new g;return n.x=this.p0.x+e*(this.p1.x-this.p0.x),n.y=this.p0.y+e*(this.p1.y-this.p0.y),n}if(arguments[0]instanceof ce){var i=arguments[0],r=this.projectionFactor(i.p0),s=this.projectionFactor(i.p1);if(r>=1&&s>=1)return null;if(r<=0&&s<=0)return null;var o=this.project(i.p0);r<0&&(o=this.p0),r>1&&(o=this.p1);var a=this.project(i.p1);return s<0&&(a=this.p0),s>1&&(a=this.p1),new ce(o,a)}},normalize:function(){this.p1.compareTo(this.p0)<0&&this.reverse()},angle:function(){return Math.atan2(this.p1.y-this.p0.y,this.p1.x-this.p0.x)},getCoordinate:function(t){return 0===t?this.p0:this.p1},distancePerpendicular:function(t){return he.distancePointLinePerpendicular(t,this.p0,this.p1)},minY:function(){return Math.min(this.p0.y,this.p1.y)},midPoint:function(){return ce.midPoint(this.p0,this.p1)},projectionFactor:function(t){if(t.equals(this.p0))return 0;if(t.equals(this.p1))return 1;var e=this.p1.x-this.p0.x,n=this.p1.y-this.p0.y,i=e*e+n*n;if(i<=0)return r.NaN;var s=((t.x-this.p0.x)*e+(t.y-this.p0.y)*n)/i;return s},closestPoints:function(t){var e=this.intersection(t);if(null!==e)return[e,e];var n=new Array(2).fill(null),i=r.MAX_VALUE,s=null,o=this.closestPoint(t.p0);i=o.distance(t.p0),n[0]=o,n[1]=t.p0;var a=this.closestPoint(t.p1);s=a.distance(t.p1),s<i&&(i=s,n[0]=a,n[1]=t.p1);var u=t.closestPoint(this.p0);s=u.distance(this.p0),s<i&&(i=s,n[0]=this.p0,n[1]=u);var l=t.closestPoint(this.p1);return s=l.distance(this.p1),s<i&&(i=s,n[0]=this.p1,n[1]=l),n},closestPoint:function(t){var e=this.projectionFactor(t);if(e>0&&e<1)return this.project(t);var n=this.p0.distance(t),i=this.p1.distance(t);return n<i?this.p0:this.p1},maxX:function(){return Math.max(this.p0.x,this.p1.x)},getLength:function(){return this.p0.distance(this.p1)},compareTo:function(t){var e=t,n=this.p0.compareTo(e.p0);return 0!==n?n:this.p1.compareTo(e.p1)},reverse:function(){var t=this.p0;this.p0=this.p1,this.p1=t},equalsTopo:function(t){return this.p0.equals(t.p0)&&this.p1.equals(t.p1)||this.p0.equals(t.p1)&&this.p1.equals(t.p0)},lineIntersection:function(t){try{var e=F.intersection(this.p0,this.p1,t.p0,t.p1);return e}catch(t){if(!(t instanceof w))throw t}finally{}return null},maxY:function(){return Math.max(this.p0.y,this.p1.y)},pointAlongOffset:function(t,e){var n=this.p0.x+t*(this.p1.x-this.p0.x),i=this.p0.y+t*(this.p1.y-this.p0.y),r=this.p1.x-this.p0.x,s=this.p1.y-this.p0.y,o=Math.sqrt(r*r+s*s),a=0,u=0;if(0!==e){if(o<=0)throw new IllegalStateException("Cannot compute offset from zero-length line segment");a=e*r/o,u=e*s/o}var l=n-u,h=i+a,c=new g(l,h);return c},setCoordinates:function(){if(1===arguments.length){var t=arguments[0];this.setCoordinates(t.p0,t.p1)}else if(2===arguments.length){var e=arguments[0],n=arguments[1];this.p0.x=e.x,this.p0.y=e.y,this.p1.x=n.x,this.p1.y=n.y}},segmentFraction:function(t){var e=this.projectionFactor(t);return e<0?e=0:(e>1||r.isNaN(e))&&(e=1),e},toString:function(){return"LINESTRING( "+this.p0.x+" "+this.p0.y+", "+this.p1.x+" "+this.p1.y+")"},isHorizontal:function(){return this.p0.y===this.p1.y},distance:function(){if(arguments[0]instanceof ce){var t=arguments[0];return he.distanceLineLine(this.p0,this.p1,t.p0,t.p1)}if(arguments[0]instanceof g){var e=arguments[0];return he.distancePointLine(e,this.p0,this.p1)}},pointAlong:function(t){var e=new g;return e.x=this.p0.x+t*(this.p1.x-this.p0.x),e.y=this.p0.y+t*(this.p1.y-this.p0.y),e},hashCode:function(){var t=java.lang.Double.doubleToLongBits(this.p0.x);t^=31*java.lang.Double.doubleToLongBits(this.p0.y);var e=Math.trunc(t)^Math.trunc(t>>32),n=java.lang.Double.doubleToLongBits(this.p1.x);n^=31*java.lang.Double.doubleToLongBits(this.p1.y);var i=Math.trunc(n)^Math.trunc(n>>32);return e^i},interfaces_:function(){return[s,u]},getClass:function(){return ce}}),ce.midPoint=function(t,e){return new g((t.x+e.x)/2,(t.y+e.y)/2)},ce.serialVersionUID=0x2d2172135f411c00,e(fe.prototype,{isIntersects:function(){return!this.isDisjoint()},isCovers:function(){var t=fe.isTrue(this.matrix[L.INTERIOR][L.INTERIOR])||fe.isTrue(this.matrix[L.INTERIOR][L.BOUNDARY])||fe.isTrue(this.matrix[L.BOUNDARY][L.INTERIOR])||fe.isTrue(this.matrix[L.BOUNDARY][L.BOUNDARY]);return t&&this.matrix[L.EXTERIOR][L.INTERIOR]===lt.FALSE&&this.matrix[L.EXTERIOR][L.BOUNDARY]===lt.FALSE},isCoveredBy:function(){var t=fe.isTrue(this.matrix[L.INTERIOR][L.INTERIOR])||fe.isTrue(this.matrix[L.INTERIOR][L.BOUNDARY])||fe.isTrue(this.matrix[L.BOUNDARY][L.INTERIOR])||fe.isTrue(this.matrix[L.BOUNDARY][L.BOUNDARY]);return t&&this.matrix[L.INTERIOR][L.EXTERIOR]===lt.FALSE&&this.matrix[L.BOUNDARY][L.EXTERIOR]===lt.FALSE},set:function(){if(1===arguments.length)for(var t=arguments[0],e=0;e<t.length;e++){var n=Math.trunc(e/3),i=e%3;this.matrix[n][i]=lt.toDimensionValue(t.charAt(e))}else if(3===arguments.length){var r=arguments[0],s=arguments[1],o=arguments[2];this.matrix[r][s]=o}},isContains:function(){return fe.isTrue(this.matrix[L.INTERIOR][L.INTERIOR])&&this.matrix[L.EXTERIOR][L.INTERIOR]===lt.FALSE&&this.matrix[L.EXTERIOR][L.BOUNDARY]===lt.FALSE},setAtLeast:function(){if(1===arguments.length)for(var t=arguments[0],e=0;e<t.length;e++){var n=Math.trunc(e/3),i=e%3;this.setAtLeast(n,i,lt.toDimensionValue(t.charAt(e)))}else if(3===arguments.length){var r=arguments[0],s=arguments[1],o=arguments[2];this.matrix[r][s]<o&&(this.matrix[r][s]=o)}},setAtLeastIfValid:function(t,e,n){t>=0&&e>=0&&this.setAtLeast(t,e,n)},isWithin:function(){return fe.isTrue(this.matrix[L.INTERIOR][L.INTERIOR])&&this.matrix[L.INTERIOR][L.EXTERIOR]===lt.FALSE&&this.matrix[L.BOUNDARY][L.EXTERIOR]===lt.FALSE},isTouches:function(t,e){return t>e?this.isTouches(e,t):(t===lt.A&&e===lt.A||t===lt.L&&e===lt.L||t===lt.L&&e===lt.A||t===lt.P&&e===lt.A||t===lt.P&&e===lt.L)&&(this.matrix[L.INTERIOR][L.INTERIOR]===lt.FALSE&&(fe.isTrue(this.matrix[L.INTERIOR][L.BOUNDARY])||fe.isTrue(this.matrix[L.BOUNDARY][L.INTERIOR])||fe.isTrue(this.matrix[L.BOUNDARY][L.BOUNDARY])))},isOverlaps:function(t,e){return t===lt.P&&e===lt.P||t===lt.A&&e===lt.A?fe.isTrue(this.matrix[L.INTERIOR][L.INTERIOR])&&fe.isTrue(this.matrix[L.INTERIOR][L.EXTERIOR])&&fe.isTrue(this.matrix[L.EXTERIOR][L.INTERIOR]):t===lt.L&&e===lt.L&&(1===this.matrix[L.INTERIOR][L.INTERIOR]&&fe.isTrue(this.matrix[L.INTERIOR][L.EXTERIOR])&&fe.isTrue(this.matrix[L.EXTERIOR][L.INTERIOR]))},isEquals:function(t,e){return t===e&&(fe.isTrue(this.matrix[L.INTERIOR][L.INTERIOR])&&this.matrix[L.INTERIOR][L.EXTERIOR]===lt.FALSE&&this.matrix[L.BOUNDARY][L.EXTERIOR]===lt.FALSE&&this.matrix[L.EXTERIOR][L.INTERIOR]===lt.FALSE&&this.matrix[L.EXTERIOR][L.BOUNDARY]===lt.FALSE)},toString:function(){for(var t=new P("123456789"),e=0;e<3;e++)for(var n=0;n<3;n++)t.setCharAt(3*e+n,lt.toDimensionSymbol(this.matrix[e][n]));return t.toString()},setAll:function(t){for(var e=0;e<3;e++)for(var n=0;n<3;n++)this.matrix[e][n]=t},get:function(t,e){return this.matrix[t][e]},transpose:function(){var t=this.matrix[1][0];return this.matrix[1][0]=this.matrix[0][1],this.matrix[0][1]=t,t=this.matrix[2][0],this.matrix[2][0]=this.matrix[0][2],this.matrix[0][2]=t,t=this.matrix[2][1],this.matrix[2][1]=this.matrix[1][2],this.matrix[1][2]=t,this},matches:function(t){if(9!==t.length)throw new i("Should be length 9: "+t);for(var e=0;e<3;e++)for(var n=0;n<3;n++)if(!fe.matches(this.matrix[e][n],t.charAt(3*e+n)))return!1;return!0},add:function(t){for(var e=0;e<3;e++)for(var n=0;n<3;n++)this.setAtLeast(e,n,t.get(e,n))},isDisjoint:function(){return this.matrix[L.INTERIOR][L.INTERIOR]===lt.FALSE&&this.matrix[L.INTERIOR][L.BOUNDARY]===lt.FALSE&&this.matrix[L.BOUNDARY][L.INTERIOR]===lt.FALSE&&this.matrix[L.BOUNDARY][L.BOUNDARY]===lt.FALSE},isCrosses:function(t,e){return t===lt.P&&e===lt.L||t===lt.P&&e===lt.A||t===lt.L&&e===lt.A?fe.isTrue(this.matrix[L.INTERIOR][L.INTERIOR])&&fe.isTrue(this.matrix[L.INTERIOR][L.EXTERIOR]):t===lt.L&&e===lt.P||t===lt.A&&e===lt.P||t===lt.A&&e===lt.L?fe.isTrue(this.matrix[L.INTERIOR][L.INTERIOR])&&fe.isTrue(this.matrix[L.EXTERIOR][L.INTERIOR]):t===lt.L&&e===lt.L&&0===this.matrix[L.INTERIOR][L.INTERIOR]},interfaces_:function(){return[o]},getClass:function(){return fe}}),fe.matches=function(){if(Number.isInteger(arguments[0])&&"string"==typeof arguments[1]){var t=arguments[0],e=arguments[1];return e===lt.SYM_DONTCARE||(e===lt.SYM_TRUE&&(t>=0||t===lt.TRUE)||(e===lt.SYM_FALSE&&t===lt.FALSE||(e===lt.SYM_P&&t===lt.P||(e===lt.SYM_L&&t===lt.L||e===lt.SYM_A&&t===lt.A))))}if("string"==typeof arguments[0]&&"string"==typeof arguments[1]){var n=arguments[0],i=arguments[1],r=new fe(n);return r.matches(i)}},fe.isTrue=function(t){return t>=0||t===lt.TRUE};var lo=Object.freeze({Coordinate:g,CoordinateList:N,Envelope:C,LineSegment:ce,GeometryFactory:ie,Geometry:B,Point:Lt,LineString:St,LinearRing:bt,Polygon:Tt,GeometryCollection:ft,MultiPoint:Pt,MultiLineString:gt,MultiPolygon:Ot,Dimension:lt,IntersectionMatrix:fe,PrecisionModel:ee});e(ge.prototype,{addPoint:function(t){this.ptCount+=1,this.ptCentSum.x+=t.x,this.ptCentSum.y+=t.y},setBasePoint:function(t){null===this.areaBasePt&&(this.areaBasePt=t)},addLineSegments:function(t){for(var e=0,n=0;n<t.length-1;n++){var i=t[n].distance(t[n+1]);if(0!==i){e+=i;var r=(t[n].x+t[n+1].x)/2;this.lineCentSum.x+=i*r;var s=(t[n].y+t[n+1].y)/2;this.lineCentSum.y+=i*s}}this.totalLength+=e,0===e&&t.length>0&&this.addPoint(t[0])},addHole:function(t){for(var e=he.isCCW(t),n=0;n<t.length-1;n++)this.addTriangle(this.areaBasePt,t[n],t[n+1],e);this.addLineSegments(t)},getCentroid:function(){var t=new g;if(Math.abs(this.areasum2)>0)t.x=this.cg3.x/3/this.areasum2,t.y=this.cg3.y/3/this.areasum2;else if(this.totalLength>0)t.x=this.lineCentSum.x/this.totalLength,t.y=this.lineCentSum.y/this.totalLength;else{if(!(this.ptCount>0))return null;t.x=this.ptCentSum.x/this.ptCount,t.y=this.ptCentSum.y/this.ptCount}return t},addShell:function(t){t.length>0&&this.setBasePoint(t[0]);for(var e=!he.isCCW(t),n=0;n<t.length-1;n++)this.addTriangle(this.areaBasePt,t[n],t[n+1],e);this.addLineSegments(t)},addTriangle:function(t,e,n,i){var r=i?1:-1;ge.centroid3(t,e,n,this.triangleCent3);var s=ge.area2(t,e,n);this.cg3.x+=r*s*this.triangleCent3.x,this.cg3.y+=r*s*this.triangleCent3.y,this.areasum2+=r*s},add:function(){if(arguments[0]instanceof Tt){var t=arguments[0];this.addShell(t.getExteriorRing().getCoordinates());for(var e=0;e<t.getNumInteriorRing();e++)this.addHole(t.getInteriorRingN(e).getCoordinates())}else if(arguments[0]instanceof B){var n=arguments[0];if(n.isEmpty())return null;if(n instanceof Lt)this.addPoint(n.getCoordinate());else if(n instanceof St)this.addLineSegments(n.getCoordinates());else if(n instanceof Tt){var i=n;this.add(i)}else if(n instanceof ft)for(var r=n,e=0;e<r.getNumGeometries();e++)this.add(r.getGeometryN(e))}},interfaces_:function(){return[]},getClass:function(){return ge}}),ge.area2=function(t,e,n){return(e.x-t.x)*(n.y-t.y)-(n.x-t.x)*(e.y-t.y)},ge.centroid3=function(t,e,n,i){return i.x=t.x+e.x+n.x,i.y=t.y+e.y+n.y,null},ge.getCentroid=function(t){var e=new ge(t);return e.getCentroid()},de.prototype=new Error,de.prototype.name="EmptyStackException",pe.prototype=new y,pe.prototype.add=function(t){return this.array_.push(t),!0},pe.prototype.get=function(t){if(t<0||t>=this.size())throw new IndexOutOfBoundsException;return this.array_[t]},pe.prototype.push=function(t){return this.array_.push(t),t},pe.prototype.pop=function(t){if(0===this.array_.length)throw new de;return this.array_.pop()},pe.prototype.peek=function(){if(0===this.array_.length)throw new de;return this.array_[this.array_.length-1]},pe.prototype.empty=function(){return 0===this.array_.length},pe.prototype.isEmpty=function(){return this.empty()},pe.prototype.search=function(t){return this.array_.indexOf(t)},pe.prototype.size=function(){return this.array_.length},pe.prototype.toArray=function(){for(var t=[],e=0,n=this.array_.length;e<n;e++)t.push(this.array_[e]);return t},e(ve.prototype,{filter:function(t){this.treeSet.contains(t)||(this.list.add(t),this.treeSet.add(t))},getCoordinates:function(){var t=new Array(this.list.size()).fill(null);return this.list.toArray(t)},interfaces_:function(){return[z]},getClass:function(){return ve}}),ve.filterCoordinates=function(t){for(var e=new ve,n=0;n<t.length;n++)e.filter(t[n]);return e.getCoordinates()},e(me.prototype,{preSort:function(t){for(var e=null,n=1;n<t.length;n++)(t[n].y<t[0].y||t[n].y===t[0].y&&t[n].x<t[0].x)&&(e=t[0],t[0]=t[n],t[n]=e);return ut.sort(t,1,t.length,new ye(t[0])),t},computeOctRing:function(t){var e=this.computeOctPts(t),n=new N;return n.add(e,!1),n.size()<3?null:(n.closeRing(),n.toCoordinateArray())},lineOrPolygon:function(t){if(t=this.cleanRing(t),3===t.length)return this.geomFactory.createLineString([t[0],t[1]]);var e=this.geomFactory.createLinearRing(t);return this.geomFactory.createPolygon(e,null)},cleanRing:function(t){f.equals(t[0],t[t.length-1]);for(var e=new I,n=null,i=0;i<=t.length-2;i++){var r=t[i],s=t[i+1];r.equals(s)||null!==n&&this.isBetween(n,r,s)||(e.add(r),n=r)}e.add(t[t.length-1]);var o=new Array(e.size()).fill(null);return e.toArray(o)},isBetween:function(t,e,n){if(0!==he.computeOrientation(t,e,n))return!1;if(t.x!==n.x){if(t.x<=e.x&&e.x<=n.x)return!0;if(n.x<=e.x&&e.x<=t.x)return!0}if(t.y!==n.y){if(t.y<=e.y&&e.y<=n.y)return!0;if(n.y<=e.y&&e.y<=t.y)return!0}return!1},reduce:function(t){var e=this.computeOctRing(t);if(null===e)return t;for(var n=new at,i=0;i<e.length;i++)n.add(e[i]);for(var i=0;i<t.length;i++)he.isPointInRing(t[i],e)||n.add(t[i]);var r=H.toCoordinateArray(n);return r.length<3?this.padArray3(r):r},getConvexHull:function(){if(0===this.inputPts.length)return this.geomFactory.createGeometryCollection(null);if(1===this.inputPts.length)return this.geomFactory.createPoint(this.inputPts[0]);if(2===this.inputPts.length)return this.geomFactory.createLineString(this.inputPts);var t=this.inputPts;this.inputPts.length>50&&(t=this.reduce(this.inputPts));var e=this.preSort(t),n=this.grahamScan(e),i=this.toCoordinateArray(n);return this.lineOrPolygon(i)},padArray3:function(t){for(var e=new Array(3).fill(null),n=0;n<e.length;n++)n<t.length?e[n]=t[n]:e[n]=t[0];return e},computeOctPts:function(t){for(var e=new Array(8).fill(null),n=0;n<e.length;n++)e[n]=t[0];for(var i=1;i<t.length;i++)t[i].x<e[0].x&&(e[0]=t[i]),t[i].x-t[i].y<e[1].x-e[1].y&&(e[1]=t[i]),t[i].y>e[2].y&&(e[2]=t[i]),t[i].x+t[i].y>e[3].x+e[3].y&&(e[3]=t[i]),t[i].x>e[4].x&&(e[4]=t[i]),t[i].x-t[i].y>e[5].x-e[5].y&&(e[5]=t[i]),t[i].y<e[6].y&&(e[6]=t[i]),t[i].x+t[i].y<e[7].x+e[7].y&&(e[7]=t[i]);return e},toCoordinateArray:function(t){for(var e=new Array(t.size()).fill(null),n=0;n<t.size();n++){var i=t.get(n);e[n]=i}return e},grahamScan:function(t){var e=null,n=new pe;e=n.push(t[0]),e=n.push(t[1]),e=n.push(t[2]);for(var i=3;i<t.length;i++){for(e=n.pop();!n.empty()&&he.computeOrientation(n.peek(),e,t[i])>0;)e=n.pop();e=n.push(e),e=n.push(t[i]);
}return e=n.push(t[0]),n},interfaces_:function(){return[]},getClass:function(){return me}}),me.extractCoordinates=function(t){var e=new ve;return t.apply(e),e.getCoordinates()},e(ye.prototype,{compare:function(t,e){var n=t,i=e;return ye.polarCompare(this.origin,n,i)},interfaces_:function(){return[a]},getClass:function(){return ye}}),ye.polarCompare=function(t,e,n){var i=e.x-t.x,r=e.y-t.y,s=n.x-t.x,o=n.y-t.y,a=he.computeOrientation(t,e,n);if(a===he.COUNTERCLOCKWISE)return 1;if(a===he.CLOCKWISE)return-1;var u=i*i+r*r,l=s*s+o*o;return u<l?-1:u>l?1:0},me.RadialComparator=ye,e(xe.prototype,{transformPoint:function(t,e){return this.factory.createPoint(this.transformCoordinates(t.getCoordinateSequence(),t))},transformPolygon:function(t,e){var n=!0,i=this.transformLinearRing(t.getExteriorRing(),t);null!==i&&i instanceof bt&&!i.isEmpty()||(n=!1);for(var r=new I,s=0;s<t.getNumInteriorRing();s++){var o=this.transformLinearRing(t.getInteriorRingN(s),t);null===o||o.isEmpty()||(o instanceof bt||(n=!1),r.add(o))}if(n)return this.factory.createPolygon(i,r.toArray([]));var a=new I;return null!==i&&a.add(i),a.addAll(r),this.factory.buildGeometry(a)},createCoordinateSequence:function(t){return this.factory.getCoordinateSequenceFactory().create(t)},getInputGeometry:function(){return this.inputGeom},transformMultiLineString:function(t,e){for(var n=new I,i=0;i<t.getNumGeometries();i++){var r=this.transformLineString(t.getGeometryN(i),t);null!==r&&(r.isEmpty()||n.add(r))}return this.factory.buildGeometry(n)},transformCoordinates:function(t,e){return this.copy(t)},transformLineString:function(t,e){return this.factory.createLineString(this.transformCoordinates(t.getCoordinateSequence(),t))},transformMultiPoint:function(t,e){for(var n=new I,i=0;i<t.getNumGeometries();i++){var r=this.transformPoint(t.getGeometryN(i),t);null!==r&&(r.isEmpty()||n.add(r))}return this.factory.buildGeometry(n)},transformMultiPolygon:function(t,e){for(var n=new I,i=0;i<t.getNumGeometries();i++){var r=this.transformPolygon(t.getGeometryN(i),t);null!==r&&(r.isEmpty()||n.add(r))}return this.factory.buildGeometry(n)},copy:function(t){return t.copy()},transformGeometryCollection:function(t,e){for(var n=new I,i=0;i<t.getNumGeometries();i++){var r=this.transform(t.getGeometryN(i));null!==r&&(this.pruneEmptyGeometry&&r.isEmpty()||n.add(r))}return this.preserveGeometryCollectionType?this.factory.createGeometryCollection(ie.toGeometryArray(n)):this.factory.buildGeometry(n)},transform:function(t){if(this.inputGeom=t,this.factory=t.getFactory(),t instanceof Lt)return this.transformPoint(t,null);if(t instanceof Pt)return this.transformMultiPoint(t,null);if(t instanceof bt)return this.transformLinearRing(t,null);if(t instanceof St)return this.transformLineString(t,null);if(t instanceof gt)return this.transformMultiLineString(t,null);if(t instanceof Tt)return this.transformPolygon(t,null);if(t instanceof Ot)return this.transformMultiPolygon(t,null);if(t instanceof ft)return this.transformGeometryCollection(t,null);throw new i("Unknown Geometry subtype: "+t.getClass().getName())},transformLinearRing:function(t,e){var n=this.transformCoordinates(t.getCoordinateSequence(),t);if(null===n)return this.factory.createLinearRing(null);var i=n.size();return i>0&&i<4&&!this.preserveType?this.factory.createLineString(n):this.factory.createLinearRing(n)},interfaces_:function(){return[]},getClass:function(){return xe}}),e(Ee.prototype,{snapVertices:function(t,e){for(var n=this._isClosed?t.size()-1:t.size(),i=0;i<n;i++){var r=t.get(i),s=this.findSnapForVertex(r,e);null!==s&&(t.set(i,new g(s)),0===i&&this._isClosed&&t.set(t.size()-1,new g(s)))}},findSnapForVertex:function(t,e){for(var n=0;n<e.length;n++){if(t.equals2D(e[n]))return null;if(t.distance(e[n])<this.snapTolerance)return e[n]}return null},snapTo:function(t){var e=new N(this.srcPts);this.snapVertices(e,t),this.snapSegments(e,t);var n=e.toCoordinateArray();return n},snapSegments:function(t,e){if(0===e.length)return null;var n=e.length;e[0].equals2D(e[e.length-1])&&(n=e.length-1);for(var i=0;i<n;i++){var r=e[i],s=this.findSegmentIndexToSnap(r,t);s>=0&&t.add(s+1,new g(r),!1)}},findSegmentIndexToSnap:function(t,e){for(var n=r.MAX_VALUE,i=-1,s=0;s<e.size()-1;s++){if(this.seg.p0=e.get(s),this.seg.p1=e.get(s+1),this.seg.p0.equals2D(t)||this.seg.p1.equals2D(t)){if(this.allowSnappingToSourceVertices)continue;return-1}var o=this.seg.distance(t);o<this.snapTolerance&&o<n&&(n=o,i=s)}return i},setAllowSnappingToSourceVertices:function(t){this.allowSnappingToSourceVertices=t},interfaces_:function(){return[]},getClass:function(){return Ee}}),Ee.isClosed=function(t){return!(t.length<=1)&&t[0].equals2D(t[t.length-1])},e(Ie.prototype,{snapTo:function(t,e){var n=this.extractTargetCoordinates(t),i=new Ne(e,n);return i.transform(this.srcGeom)},snapToSelf:function(t,e){var n=this.extractTargetCoordinates(this.srcGeom),i=new Ne(t,n,(!0)),r=i.transform(this.srcGeom),s=r;return e&&R(s,Rt)&&(s=r.buffer(0)),s},computeSnapTolerance:function(t){var e=this.computeMinimumSegmentLength(t),n=e/10;return n},extractTargetCoordinates:function(t){for(var e=new at,n=t.getCoordinates(),i=0;i<n.length;i++)e.add(n[i]);return e.toArray(new Array(0).fill(null))},computeMinimumSegmentLength:function(t){for(var e=r.MAX_VALUE,n=0;n<t.length-1;n++){var i=t[n].distance(t[n+1]);i<e&&(e=i)}return e},interfaces_:function(){return[]},getClass:function(){return Ie}}),Ie.snap=function(t,e,n){var i=new Array(2).fill(null),r=new Ie(t);i[0]=r.snapTo(e,n);var s=new Ie(e);return i[1]=s.snapTo(i[0],n),i},Ie.computeOverlaySnapTolerance=function(){if(1===arguments.length){var t=arguments[0],e=Ie.computeSizeBasedSnapTolerance(t),n=t.getPrecisionModel();if(n.getType()===ee.FIXED){var i=1/n.getScale()*2/1.415;i>e&&(e=i)}return e}if(2===arguments.length){var r=arguments[0],s=arguments[1];return Math.min(Ie.computeOverlaySnapTolerance(r),Ie.computeOverlaySnapTolerance(s))}},Ie.computeSizeBasedSnapTolerance=function(t){var e=t.getEnvelopeInternal(),n=Math.min(e.getHeight(),e.getWidth()),i=n*Ie.SNAP_PRECISION_FACTOR;return i},Ie.snapToSelf=function(t,e,n){var i=new Ie(t);return i.snapToSelf(e,n)},Ie.SNAP_PRECISION_FACTOR=1e-9,h(Ne,xe),e(Ne.prototype,{snapLine:function(t,e){var n=new Ee(t,this.snapTolerance);return n.setAllowSnappingToSourceVertices(this.isSelfSnap),n.snapTo(e)},transformCoordinates:function(t,e){var n=t.toCoordinateArray(),i=this.snapLine(n,this.snapPts);return this.factory.getCoordinateSequenceFactory().create(i)},interfaces_:function(){return[]},getClass:function(){return Ne}}),e(Ce.prototype,{getCommon:function(){return r.longBitsToDouble(this.commonBits)},add:function(t){var e=r.doubleToLongBits(t);if(this.isFirst)return this.commonBits=e,this.commonSignExp=Ce.signExpBits(this.commonBits),this.isFirst=!1,null;var n=Ce.signExpBits(e);return n!==this.commonSignExp?(this.commonBits=0,null):(this.commonMantissaBitsCount=Ce.numCommonMostSigMantissaBits(this.commonBits,e),void(this.commonBits=Ce.zeroLowerBits(this.commonBits,64-(12+this.commonMantissaBitsCount))))},toString:function(){if(1===arguments.length){var t=arguments[0],e=r.longBitsToDouble(t),n=Long.toBinaryString(t),i="0000000000000000000000000000000000000000000000000000000000000000"+n,s=i.substring(i.length-64),o=s.substring(0,1)+"  "+s.substring(1,12)+"(exp) "+s.substring(12)+" [ "+e+" ]";return o}},interfaces_:function(){return[]},getClass:function(){return Ce}}),Ce.getBit=function(t,e){var n=1<<e;return 0!==(t&n)?1:0},Ce.signExpBits=function(t){return t>>52},Ce.zeroLowerBits=function(t,e){var n=(1<<e)-1,i=~n,r=t&i;return r},Ce.numCommonMostSigMantissaBits=function(t,e){for(var n=0,i=52;i>=0;i--){if(Ce.getBit(t,i)!==Ce.getBit(e,i))return n;n++}return 52},e(Se.prototype,{addCommonBits:function(t){var e=new Le(this.commonCoord);t.apply(e),t.geometryChanged()},removeCommonBits:function(t){if(0===this.commonCoord.x&&0===this.commonCoord.y)return t;var e=new g(this.commonCoord);e.x=-e.x,e.y=-e.y;var n=new Le(e);return t.apply(n),t.geometryChanged(),t},getCommonCoordinate:function(){return this.commonCoord},add:function(t){t.apply(this.ccFilter),this.commonCoord=this.ccFilter.getCommonCoordinate()},interfaces_:function(){return[]},getClass:function(){return Se}}),e(we.prototype,{filter:function(t){this.commonBitsX.add(t.x),this.commonBitsY.add(t.y)},getCommonCoordinate:function(){return new g(this.commonBitsX.getCommon(),this.commonBitsY.getCommon())},interfaces_:function(){return[z]},getClass:function(){return we}}),e(Le.prototype,{filter:function(t,e){var n=t.getOrdinate(e,0)+this.trans.x,i=t.getOrdinate(e,1)+this.trans.y;t.setOrdinate(e,0,n),t.setOrdinate(e,1,i)},isDone:function(){return!1},isGeometryChanged:function(){return!0},interfaces_:function(){return[ct]},getClass:function(){return Le}}),Se.CommonCoordinateFilter=we,Se.Translater=Le,e(Re.prototype,{next:function(){if(this.atStart)return this.atStart=!1,Re.isAtomic(this.parent)&&this.index++,this.parent;if(null!==this.subcollectionIterator){if(this.subcollectionIterator.hasNext())return this.subcollectionIterator.next();this.subcollectionIterator=null}if(this.index>=this.max)throw new x;var t=this.parent.getGeometryN(this.index++);return t instanceof ft?(this.subcollectionIterator=new Re(t),this.subcollectionIterator.next()):t},remove:function(){throw new UnsupportedOperationException(this.getClass().getName())},hasNext:function(){if(this.atStart)return!0;if(null!==this.subcollectionIterator){if(this.subcollectionIterator.hasNext())return!0;this.subcollectionIterator=null}return!(this.index>=this.max)},interfaces_:function(){return[p]},getClass:function(){return Re}}),Re.isAtomic=function(t){return!(t instanceof ft)},e(Te.prototype,{locateInternal:function(){if(arguments[0]instanceof g&&arguments[1]instanceof Tt){var t=arguments[0],e=arguments[1];if(e.isEmpty())return L.EXTERIOR;var n=e.getExteriorRing(),i=this.locateInPolygonRing(t,n);if(i===L.EXTERIOR)return L.EXTERIOR;if(i===L.BOUNDARY)return L.BOUNDARY;for(var r=0;r<e.getNumInteriorRing();r++){var s=e.getInteriorRingN(r),o=this.locateInPolygonRing(t,s);if(o===L.INTERIOR)return L.EXTERIOR;if(o===L.BOUNDARY)return L.BOUNDARY}return L.INTERIOR}if(arguments[0]instanceof g&&arguments[1]instanceof St){var a=arguments[0],u=arguments[1];if(!u.getEnvelopeInternal().intersects(a))return L.EXTERIOR;var l=u.getCoordinates();return u.isClosed()||!a.equals(l[0])&&!a.equals(l[l.length-1])?he.isOnLine(a,l)?L.INTERIOR:L.EXTERIOR:L.BOUNDARY}if(arguments[0]instanceof g&&arguments[1]instanceof Lt){var h=arguments[0],c=arguments[1],f=c.getCoordinate();return f.equals2D(h)?L.INTERIOR:L.EXTERIOR}},locateInPolygonRing:function(t,e){return e.getEnvelopeInternal().intersects(t)?he.locatePointInRing(t,e.getCoordinates()):L.EXTERIOR},intersects:function(t,e){return this.locate(t,e)!==L.EXTERIOR},updateLocationInfo:function(t){t===L.INTERIOR&&(this.isIn=!0),t===L.BOUNDARY&&this.numBoundaries++},computeLocation:function(t,e){if(e instanceof Lt&&this.updateLocationInfo(this.locateInternal(t,e)),e instanceof St)this.updateLocationInfo(this.locateInternal(t,e));else if(e instanceof Tt)this.updateLocationInfo(this.locateInternal(t,e));else if(e instanceof gt)for(var n=e,i=0;i<n.getNumGeometries();i++){var r=n.getGeometryN(i);this.updateLocationInfo(this.locateInternal(t,r))}else if(e instanceof Ot)for(var s=e,i=0;i<s.getNumGeometries();i++){var o=s.getGeometryN(i);this.updateLocationInfo(this.locateInternal(t,o))}else if(e instanceof ft)for(var a=new Re(e);a.hasNext();){var u=a.next();u!==e&&this.computeLocation(t,u)}},locate:function(t,e){return e.isEmpty()?L.EXTERIOR:e instanceof St?this.locateInternal(t,e):e instanceof Tt?this.locateInternal(t,e):(this.isIn=!1,this.numBoundaries=0,this.computeLocation(t,e),this.boundaryRule.isInBoundary(this.numBoundaries)?L.BOUNDARY:this.numBoundaries>0||this.isIn?L.INTERIOR:L.EXTERIOR)},interfaces_:function(){return[]},getClass:function(){return Te}}),e(Pe.prototype,{interfaces_:function(){return[]},getClass:function(){return Pe}}),Pe.octant=function(){if("number"==typeof arguments[0]&&"number"==typeof arguments[1]){var t=arguments[0],e=arguments[1];if(0===t&&0===e)throw new i("Cannot compute the octant for point ( "+t+", "+e+" )");var n=Math.abs(t),r=Math.abs(e);return t>=0?e>=0?n>=r?0:1:n>=r?7:6:e>=0?n>=r?3:2:n>=r?4:5}if(arguments[0]instanceof g&&arguments[1]instanceof g){var s=arguments[0],o=arguments[1],a=o.x-s.x,u=o.y-s.y;if(0===a&&0===u)throw new i("Cannot compute the octant for two identical points "+s);return 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this.bounds},interfaces_:function(){return[_e,u]},getClass:function(){return Me}}),e(De.prototype,{poll:function(){if(this.isEmpty())return null;var t=this.items.get(1);return this.items.set(1,this.items.get(this._size)),this._size-=1,this.reorder(1),t},size:function(){return this._size},reorder:function(t){for(var e=null,n=this.items.get(t);2*t<=this._size&&(e=2*t,e!==this._size&&this.items.get(e+1).compareTo(this.items.get(e))<0&&e++,this.items.get(e).compareTo(n)<0);t=e)this.items.set(t,this.items.get(e));this.items.set(t,n)},clear:function(){this._size=0,this.items.clear()},isEmpty:function(){return 0===this._size},add:function(t){this.items.add(null),this._size+=1;var e=this._size;for(this.items.set(0,t);t.compareTo(this.items.get(Math.trunc(e/2)))<0;e/=2)this.items.set(e,this.items.get(Math.trunc(e/2)));this.items.set(e,t)},interfaces_:function(){return[]},getClass:function(){return De}}),e(Ae.prototype,{visitItem:function(t){},interfaces_:function(){return[]},getClass:function(){return Ae}}),e(Fe.prototype,{insert:function(t,e){},remove:function(t,e){},query:function(){if(1===arguments.length){arguments[0]}else if(2===arguments.length){arguments[0],arguments[1]}},interfaces_:function(){return[]},getClass:function(){return Fe}}),e(Ge.prototype,{getLevel:function(){return this.level},size:function(){return this.childBoundables.size()},getChildBoundables:function(){return this.childBoundables},addChildBoundable:function(t){f.isTrue(null===this.bounds),this.childBoundables.add(t)},isEmpty:function(){return this.childBoundables.isEmpty()},getBounds:function(){return null===this.bounds&&(this.bounds=this.computeBounds()),this.bounds},interfaces_:function(){return[_e,u]},getClass:function(){return Ge}}),Ge.serialVersionUID=0x5a1e55ec41369800;var ho={reverseOrder:function(){return{compare:function(t,e){return e.compareTo(t)}}},min:function(t){return ho.sort(t),t.get(0)},sort:function(t,e){var n=t.toArray();e?ut.sort(n,e):ut.sort(n);for(var i=t.iterator(),r=0,s=n.length;r<s;r++)i.next(),i.set(n[r])},singletonList:function(t){var e=new I;return e.add(t),e}};e(qe.prototype,{expandToQueue:function(t,e){var n=qe.isComposite(this.boundable1),r=qe.isComposite(this.boundable2);if(n&&r)return qe.area(this.boundable1)>qe.area(this.boundable2)?(this.expand(this.boundable1,this.boundable2,t,e),null):(this.expand(this.boundable2,this.boundable1,t,e),null);if(n)return this.expand(this.boundable1,this.boundable2,t,e),null;if(r)return this.expand(this.boundable2,this.boundable1,t,e),null;throw new i("neither boundable is composite")},isLeaves:function(){return!(qe.isComposite(this.boundable1)||qe.isComposite(this.boundable2))},compareTo:function(t){var e=t;return this._distance<e._distance?-1:this._distance>e._distance?1:0},expand:function(t,e,n,i){for(var r=t.getChildBoundables(),s=r.iterator();s.hasNext();){var o=s.next(),a=new qe(o,e,this.itemDistance);a.getDistance()<i&&n.add(a)}},getBoundable:function(t){return 0===t?this.boundable1:this.boundable2},getDistance:function(){return this._distance},distance:function(){return this.isLeaves()?this.itemDistance.distance(this.boundable1,this.boundable2):this.boundable1.getBounds().distance(this.boundable2.getBounds())},interfaces_:function(){return[s]},getClass:function(){return qe}}),qe.area=function(t){return t.getBounds().getArea()},qe.isComposite=function(t){return t instanceof Ge},e(Be.prototype,{getNodeCapacity:function(){return this.nodeCapacity},lastNode:function(t){return t.get(t.size()-1)},size:function t(){if(0===arguments.length)return this.isEmpty()?0:(this.build(),this.size(this.root));if(1===arguments.length){for(var e=arguments[0],t=0,n=e.getChildBoundables().iterator();n.hasNext();){var i=n.next();i instanceof Ge?t+=this.size(i):i instanceof Me&&(t+=1)}return t}},removeItem:function(t,e){for(var n=null,i=t.getChildBoundables().iterator();i.hasNext();){var r=i.next();r instanceof Me&&r.getItem()===e&&(n=r)}return null!==n&&(t.getChildBoundables().remove(n),!0)},itemsTree:function(){if(0===arguments.length){this.build();var t=this.itemsTree(this.root);return null===t?new I:t}if(1===arguments.length){for(var e=arguments[0],n=new I,i=e.getChildBoundables().iterator();i.hasNext();){var r=i.next();if(r instanceof Ge){var s=this.itemsTree(r);null!==s&&n.add(s)}else r instanceof Me?n.add(r.getItem()):f.shouldNeverReachHere()}return n.size()<=0?null:n}},insert:function(t,e){f.isTrue(!this.built,"Cannot insert items into an STR packed R-tree after it has been built."),this.itemBoundables.add(new Me(t,e))},boundablesAtLevel:function(){if(1===arguments.length){var t=arguments[0],e=new I;return this.boundablesAtLevel(t,this.root,e),e}if(3===arguments.length){var n=arguments[0],i=arguments[1],r=arguments[2];if(f.isTrue(n>-2),i.getLevel()===n)return r.add(i),null;for(var s=i.getChildBoundables().iterator();s.hasNext();){var o=s.next();o instanceof Ge?this.boundablesAtLevel(n,o,r):(f.isTrue(o instanceof Me),n===-1&&r.add(o))}return null}},query:function(){if(1===arguments.length){var t=arguments[0];this.build();var e=new I;return this.isEmpty()?e:(this.getIntersectsOp().intersects(this.root.getBounds(),t)&&this.query(t,this.root,e),e)}if(2===arguments.length){var n=arguments[0],i=arguments[1];if(this.build(),this.isEmpty())return null;this.getIntersectsOp().intersects(this.root.getBounds(),n)&&this.query(n,this.root,i)}else if(3===arguments.length)if(R(arguments[2],Ae)&&arguments[0]instanceof Object&&arguments[1]instanceof Ge)for(var r=arguments[0],s=arguments[1],o=arguments[2],a=s.getChildBoundables(),u=0;u<a.size();u++){var l=a.get(u);this.getIntersectsOp().intersects(l.getBounds(),r)&&(l instanceof Ge?this.query(r,l,o):l instanceof Me?o.visitItem(l.getItem()):f.shouldNeverReachHere())}else if(R(arguments[2],y)&&arguments[0]instanceof Object&&arguments[1]instanceof Ge)for(var h=arguments[0],c=arguments[1],g=arguments[2],a=c.getChildBoundables(),u=0;u<a.size();u++){var l=a.get(u);this.getIntersectsOp().intersects(l.getBounds(),h)&&(l instanceof Ge?this.query(h,l,g):l instanceof Me?g.add(l.getItem()):f.shouldNeverReachHere())}},build:function(){return this.built?null:(this.root=this.itemBoundables.isEmpty()?this.createNode(0):this.createHigherLevels(this.itemBoundables,-1),this.itemBoundables=null,void(this.built=!0))},getRoot:function(){return this.build(),this.root},remove:function(){if(2===arguments.length){var t=arguments[0],e=arguments[1];return this.build(),!!this.getIntersectsOp().intersects(this.root.getBounds(),t)&&this.remove(t,this.root,e)}if(3===arguments.length){var n=arguments[0],i=arguments[1],r=arguments[2],s=this.removeItem(i,r);if(s)return!0;for(var o=null,a=i.getChildBoundables().iterator();a.hasNext();){var u=a.next();if(this.getIntersectsOp().intersects(u.getBounds(),n)&&u instanceof Ge&&(s=this.remove(n,u,r))){o=u;break}}return null!==o&&o.getChildBoundables().isEmpty()&&i.getChildBoundables().remove(o),s}},createHigherLevels:function(t,e){f.isTrue(!t.isEmpty());var n=this.createParentBoundables(t,e+1);return 1===n.size()?n.get(0):this.createHigherLevels(n,e+1)},depth:function(){if(0===arguments.length)return this.isEmpty()?0:(this.build(),this.depth(this.root));if(1===arguments.length){for(var t=arguments[0],e=0,n=t.getChildBoundables().iterator();n.hasNext();){var i=n.next();if(i instanceof Ge){var r=this.depth(i);r>e&&(e=r)}}return e+1}},createParentBoundables:function(t,e){f.isTrue(!t.isEmpty());var n=new I;n.add(this.createNode(e));var i=new I(t);ho.sort(i,this.getComparator());for(var r=i.iterator();r.hasNext();){var s=r.next();this.lastNode(n).getChildBoundables().size()===this.getNodeCapacity()&&n.add(this.createNode(e)),this.lastNode(n).addChildBoundable(s)}return n},isEmpty:function(){return this.built?this.root.isEmpty():this.itemBoundables.isEmpty()},interfaces_:function(){return[u]},getClass:function(){return Be}}),Be.compareDoubles=function(t,e){return t>e?1:t<e?-1:0},Be.IntersectsOp=ze,Be.serialVersionUID=-0x35ef64c82d4c5400,Be.DEFAULT_NODE_CAPACITY=10,e(Ve.prototype,{distance:function(t,e){},interfaces_:function(){return[]},getClass:function(){return Ve}}),h(ke,Be),e(ke.prototype,{createParentBoundablesFromVerticalSlices:function(t,e){f.isTrue(t.length>0);for(var n=new I,i=0;i<t.length;i++)n.addAll(this.createParentBoundablesFromVerticalSlice(t[i],e));return n},createNode:function(t){return new Ye(t)},size:function(){return 0===arguments.length?Be.prototype.size.call(this):Be.prototype.size.apply(this,arguments)},insert:function(){if(2!==arguments.length)return Be.prototype.insert.apply(this,arguments);var t=arguments[0],e=arguments[1];return t.isNull()?null:void Be.prototype.insert.call(this,t,e)},getIntersectsOp:function(){return ke.intersectsOp},verticalSlices:function(t,e){for(var n=Math.trunc(Math.ceil(t.size()/e)),i=new Array(e).fill(null),r=t.iterator(),s=0;s<e;s++){i[s]=new I;for(var o=0;r.hasNext()&&o<n;){var a=r.next();i[s].add(a),o++}}return i},query:function(){if(1===arguments.length){var t=arguments[0];return Be.prototype.query.call(this,t)}if(2===arguments.length){var e=arguments[0],n=arguments[1];Be.prototype.query.call(this,e,n)}else if(3===arguments.length)if(R(arguments[2],Ae)&&arguments[0]instanceof Object&&arguments[1]instanceof Ge){var i=arguments[0],r=arguments[1],s=arguments[2];Be.prototype.query.call(this,i,r,s)}else if(R(arguments[2],y)&&arguments[0]instanceof Object&&arguments[1]instanceof Ge){var o=arguments[0],a=arguments[1],u=arguments[2];Be.prototype.query.call(this,o,a,u)}},getComparator:function(){return ke.yComparator},createParentBoundablesFromVerticalSlice:function(t,e){return Be.prototype.createParentBoundables.call(this,t,e)},remove:function(){if(2===arguments.length){var t=arguments[0],e=arguments[1];return Be.prototype.remove.call(this,t,e)}return Be.prototype.remove.apply(this,arguments)},depth:function(){return 0===arguments.length?Be.prototype.depth.call(this):Be.prototype.depth.apply(this,arguments)},createParentBoundables:function(t,e){f.isTrue(!t.isEmpty());var n=Math.trunc(Math.ceil(t.size()/this.getNodeCapacity())),i=new I(t);ho.sort(i,ke.xComparator);var r=this.verticalSlices(i,Math.trunc(Math.ceil(Math.sqrt(n))));return this.createParentBoundablesFromVerticalSlices(r,e)},nearestNeighbour:function(){if(1===arguments.length){if(R(arguments[0],Ve)){var t=arguments[0],e=new qe(this.getRoot(),this.getRoot(),t);return this.nearestNeighbour(e)}if(arguments[0]instanceof qe){var n=arguments[0];return this.nearestNeighbour(n,r.POSITIVE_INFINITY)}}else if(2===arguments.length){if(arguments[0]instanceof ke&&R(arguments[1],Ve)){var i=arguments[0],s=arguments[1],e=new qe(this.getRoot(),i.getRoot(),s);return this.nearestNeighbour(e)}if(arguments[0]instanceof qe&&"number"==typeof arguments[1]){var o=arguments[0],a=arguments[1],u=a,l=null,h=new De;for(h.add(o);!h.isEmpty()&&u>0;){var c=h.poll(),f=c.getDistance();if(f>=u)break;c.isLeaves()?(u=f,l=c):c.expandToQueue(h,u)}return[l.getBoundable(0).getItem(),l.getBoundable(1).getItem()]}}else if(3===arguments.length){var g=arguments[0],d=arguments[1],p=arguments[2],v=new Me(g,d),e=new qe(this.getRoot(),v,p);return this.nearestNeighbour(e)[0]}},interfaces_:function(){return[Fe,u]},getClass:function(){return ke}}),ke.centreX=function(t){return ke.avg(t.getMinX(),t.getMaxX())},ke.avg=function(t,e){return(t+e)/2},ke.centreY=function(t){return ke.avg(t.getMinY(),t.getMaxY())},h(Ye,Ge),e(Ye.prototype,{computeBounds:function(){for(var t=null,e=this.getChildBoundables().iterator();e.hasNext();){var n=e.next();null===t?t=new C(n.getBounds()):t.expandToInclude(n.getBounds())}return t},interfaces_:function(){return[]},getClass:function(){return Ye}}),ke.STRtreeNode=Ye,ke.serialVersionUID=0x39920f7d5f261e0,ke.xComparator={interfaces_:function(){return[a]},compare:function(t,e){return Be.compareDoubles(ke.centreX(t.getBounds()),ke.centreX(e.getBounds()))}},ke.yComparator={interfaces_:function(){return[a]},compare:function(t,e){return Be.compareDoubles(ke.centreY(t.getBounds()),ke.centreY(e.getBounds()))}},ke.intersectsOp={interfaces_:function(){return[IntersectsOp]},intersects:function(t,e){return t.intersects(e)}},ke.DEFAULT_NODE_CAPACITY=10,e(Ue.prototype,{interfaces_:function(){return[]},getClass:function(){return Ue}}),Ue.relativeSign=function(t,e){return t<e?-1:t>e?1:0},Ue.compare=function(t,e,n){if(e.equals2D(n))return 0;var i=Ue.relativeSign(e.x,n.x),r=Ue.relativeSign(e.y,n.y);switch(t){case 0:return Ue.compareValue(i,r);case 1:return Ue.compareValue(r,i);case 2:return Ue.compareValue(r,-i);case 3:return Ue.compareValue(-i,r);case 4:return Ue.compareValue(-i,-r);case 5:return Ue.compareValue(-r,-i);case 6:return Ue.compareValue(-r,i);case 7:return Ue.compareValue(i,-r)}return f.shouldNeverReachHere("invalid octant value"),0},Ue.compareValue=function(t,e){return t<0?-1:t>0?1:e<0?-1:e>0?1:0},e(Xe.prototype,{getCoordinate:function(){return this.coord},print:function(t){t.print(this.coord),t.print(" seg # = "+this.segmentIndex)},compareTo:function(t){var e=t;return this.segmentIndex<e.segmentIndex?-1:this.segmentIndex>e.segmentIndex?1:this.coord.equals2D(e.coord)?0:Ue.compare(this.segmentOctant,this.coord,e.coord)},isEndPoint:function(t){return 0===this.segmentIndex&&!this._isInterior||this.segmentIndex===t},isInterior:function(){return this._isInterior},interfaces_:function(){return[s]},getClass:function(){return Xe}}),e(He.prototype,{getSplitCoordinates:function(){var t=new N;this.addEndpoints();for(var e=this.iterator(),n=e.next();e.hasNext();){var i=e.next();this.addEdgeCoordinates(n,i,t),n=i}return t.toCoordinateArray()},addCollapsedNodes:function(){var t=new I;this.findCollapsesFromInsertedNodes(t),this.findCollapsesFromExistingVertices(t);for(var e=t.iterator();e.hasNext();){var n=e.next().intValue();this.add(this.edge.getCoordinate(n),n)}},print:function(t){t.println("Intersections:");for(var e=this.iterator();e.hasNext();){var n=e.next();n.print(t)}},findCollapsesFromExistingVertices:function(t){for(var e=0;e<this.edge.size()-2;e++){var n=this.edge.getCoordinate(e),i=(this.edge.getCoordinate(e+1),this.edge.getCoordinate(e+2));n.equals2D(i)&&t.add(new b(e+1))}},addEdgeCoordinates:function(t,e,n){var i=e.segmentIndex-t.segmentIndex+2,r=this.edge.getCoordinate(e.segmentIndex),s=e.isInterior()||!e.coord.equals2D(r);s||i--;n.add(new g(t.coord),!1);for(var o=t.segmentIndex+1;o<=e.segmentIndex;o++)n.add(this.edge.getCoordinate(o));s&&n.add(new g(e.coord))},iterator:function(){return this.nodeMap.values().iterator()},addSplitEdges:function(t){this.addEndpoints(),this.addCollapsedNodes();for(var e=this.iterator(),n=e.next();e.hasNext();){var i=e.next(),r=this.createSplitEdge(n,i);t.add(r),n=i}},findCollapseIndex:function(t,e,n){if(!t.coord.equals2D(e.coord))return!1;var i=e.segmentIndex-t.segmentIndex;return e.isInterior()||i--,1===i&&(n[0]=t.segmentIndex+1,!0)},findCollapsesFromInsertedNodes:function(t){for(var e=new Array(1).fill(null),n=this.iterator(),i=n.next();n.hasNext();){var r=n.next(),s=this.findCollapseIndex(i,r,e);s&&t.add(new b(e[0])),i=r}},getEdge:function(){return this.edge},addEndpoints:function(){var t=this.edge.size()-1;this.add(this.edge.getCoordinate(0),0),this.add(this.edge.getCoordinate(t),t)},createSplitEdge:function(t,e){var n=e.segmentIndex-t.segmentIndex+2,i=this.edge.getCoordinate(e.segmentIndex),r=e.isInterior()||!e.coord.equals2D(i);r||n--;var s=new Array(n).fill(null),o=0;s[o++]=new g(t.coord);for(var a=t.segmentIndex+1;a<=e.segmentIndex;a++)s[o++]=this.edge.getCoordinate(a);return r&&(s[o]=new g(e.coord)),new Ke(s,this.edge.getData())},add:function(t,e){var n=new Xe(this.edge,t,e,this.edge.getSegmentOctant(e)),i=this.nodeMap.get(n);return null!==i?(f.isTrue(i.coord.equals2D(t),"Found equal nodes with different coordinates"),i):(this.nodeMap.put(n,n),n)},checkSplitEdgesCorrectness:function(t){var e=this.edge.getCoordinates(),n=t.get(0),i=n.getCoordinate(0);if(!i.equals2D(e[0]))throw new l("bad split edge start point at "+i);var r=t.get(t.size()-1),s=r.getCoordinates(),o=s[s.length-1];if(!o.equals2D(e[e.length-1]))throw new l("bad split edge end point at "+o)},interfaces_:function(){return[]},getClass:function(){return He}}),e(We.prototype,{next:function(){return null===this.currNode?(this.currNode=this.nextNode,this.currSegIndex=this.currNode.segmentIndex,this.readNextNode(),this.currNode):null===this.nextNode?null:this.nextNode.segmentIndex===this.currNode.segmentIndex?(this.currNode=this.nextNode,this.currSegIndex=this.currNode.segmentIndex,this.readNextNode(),this.currNode):(this.nextNode.segmentIndex>this.currNode.segmentIndex,null)},remove:function(){throw new UnsupportedOperationException(this.getClass().getName())},hasNext:function(){return null!==this.nextNode},readNextNode:function(){this.nodeIt.hasNext()?this.nextNode=this.nodeIt.next():this.nextNode=null},interfaces_:function(){return[p]},getClass:function(){return We}}),e(je.prototype,{addIntersection:function(t,e){},interfaces_:function(){return[be]},getClass:function(){return je}}),e(Ke.prototype,{getCoordinates:function(){return this.pts},size:function(){return this.pts.length},getCoordinate:function(t){return this.pts[t]},isClosed:function(){return this.pts[0].equals(this.pts[this.pts.length-1])},getSegmentOctant:function(t){return t===this.pts.length-1?-1:this.safeOctant(this.getCoordinate(t),this.getCoordinate(t+1))},setData:function(t){this.data=t},safeOctant:function(t,e){return t.equals2D(e)?0:Pe.octant(t,e)},getData:function(){return this.data},addIntersection:function(){if(2===arguments.length){var t=arguments[0],e=arguments[1];this.addIntersectionNode(t,e)}else if(4===arguments.length){var n=arguments[0],i=arguments[1],r=(arguments[2],arguments[3]),s=new g(n.getIntersection(r));this.addIntersection(s,i)}},toString:function(){return se.toLineString(new Gt(this.pts))},getNodeList:function(){return this.nodeList},addIntersectionNode:function(t,e){var n=e,i=n+1;if(i<this.pts.length){var r=this.pts[i];t.equals2D(r)&&(n=i)}var s=this.nodeList.add(t,n);return s},addIntersections:function(t,e,n){for(var i=0;i<t.getIntersectionNum();i++)this.addIntersection(t,e,n,i)},interfaces_:function(){return[je]},getClass:function(){return Ke}}),Ke.getNodedSubstrings=function(){if(1===arguments.length){var t=arguments[0],e=new I;return Ke.getNodedSubstrings(t,e),e}if(2===arguments.length)for(var n=arguments[0],i=arguments[1],r=n.iterator();r.hasNext();){var s=r.next();s.getNodeList().addSplitEdges(i)}},e(Ze.prototype,{overlap:function(){if(2===arguments.length){arguments[0],arguments[1]}else if(4===arguments.length){var t=arguments[0],e=arguments[1],n=arguments[2],i=arguments[3];t.getLineSegment(e,this.overlapSeg1),
n.getLineSegment(i,this.overlapSeg2),this.overlap(this.overlapSeg1,this.overlapSeg2)}},interfaces_:function(){return[]},getClass:function(){return Ze}}),e(Qe.prototype,{getLineSegment:function(t,e){e.p0=this.pts[t],e.p1=this.pts[t+1]},computeSelect:function(t,e,n,i){var r=this.pts[e],s=this.pts[n];if(i.tempEnv1.init(r,s),n-e===1)return i.select(this,e),null;if(!t.intersects(i.tempEnv1))return null;var o=Math.trunc((e+n)/2);e<o&&this.computeSelect(t,e,o,i),o<n&&this.computeSelect(t,o,n,i)},getCoordinates:function(){for(var t=new Array(this.end-this.start+1).fill(null),e=0,n=this.start;n<=this.end;n++)t[e++]=this.pts[n];return t},computeOverlaps:function(t,e){this.computeOverlapsInternal(this.start,this.end,t,t.start,t.end,e)},setId:function(t){this.id=t},select:function(t,e){this.computeSelect(t,this.start,this.end,e)},getEnvelope:function(){if(null===this.env){var t=this.pts[this.start],e=this.pts[this.end];this.env=new C(t,e)}return this.env},getEndIndex:function(){return this.end},getStartIndex:function(){return this.start},getContext:function(){return this.context},getId:function(){return this.id},computeOverlapsInternal:function(t,e,n,i,r,s){var o=this.pts[t],a=this.pts[e],u=n.pts[i],l=n.pts[r];if(e-t===1&&r-i===1)return s.overlap(this,t,n,i),null;if(s.tempEnv1.init(o,a),s.tempEnv2.init(u,l),!s.tempEnv1.intersects(s.tempEnv2))return null;var h=Math.trunc((t+e)/2),c=Math.trunc((i+r)/2);t<h&&(i<c&&this.computeOverlapsInternal(t,h,n,i,c,s),c<r&&this.computeOverlapsInternal(t,h,n,c,r,s)),h<e&&(i<c&&this.computeOverlapsInternal(h,e,n,i,c,s),c<r&&this.computeOverlapsInternal(h,e,n,c,r,s))},interfaces_:function(){return[]},getClass:function(){return Qe}}),e(Je.prototype,{interfaces_:function(){return[]},getClass:function(){return Je}}),Je.isNorthern=function(t){return t===Je.NE||t===Je.NW},Je.isOpposite=function(t,e){if(t===e)return!1;var n=(t-e+4)%4;return 2===n},Je.commonHalfPlane=function(t,e){if(t===e)return t;var n=(t-e+4)%4;if(2===n)return-1;var i=t<e?t:e,r=t>e?t:e;return 0===i&&3===r?3:i},Je.isInHalfPlane=function(t,e){return e===Je.SE?t===Je.SE||t===Je.SW:t===e||t===e+1},Je.quadrant=function(){if("number"==typeof arguments[0]&&"number"==typeof arguments[1]){var t=arguments[0],e=arguments[1];if(0===t&&0===e)throw new i("Cannot compute the quadrant for point ( "+t+", "+e+" )");return t>=0?e>=0?Je.NE:Je.SE:e>=0?Je.NW:Je.SW}if(arguments[0]instanceof g&&arguments[1]instanceof g){var n=arguments[0],r=arguments[1];if(r.x===n.x&&r.y===n.y)throw new i("Cannot compute the quadrant for two identical points "+n);return r.x>=n.x?r.y>=n.y?Je.NE:Je.SE:r.y>=n.y?Je.NW:Je.SW}},Je.NE=0,Je.NW=1,Je.SW=2,Je.SE=3,e($e.prototype,{interfaces_:function(){return[]},getClass:function(){return $e}}),$e.getChainStartIndices=function(t){var e=0,n=new I;n.add(new b(e));do{var i=$e.findChainEnd(t,e);n.add(new b(i)),e=i}while(e<t.length-1);var r=$e.toIntArray(n);return r},$e.findChainEnd=function(t,e){for(var n=e;n<t.length-1&&t[n].equals2D(t[n+1]);)n++;if(n>=t.length-1)return t.length-1;for(var i=Je.quadrant(t[n],t[n+1]),r=e+1;r<t.length;){if(!t[r-1].equals2D(t[r])){var s=Je.quadrant(t[r-1],t[r]);if(s!==i)break}r++}return r-1},$e.getChains=function(){if(1===arguments.length){var t=arguments[0];return $e.getChains(t,null)}if(2===arguments.length){for(var e=arguments[0],n=arguments[1],i=new I,r=$e.getChainStartIndices(e),s=0;s<r.length-1;s++){var o=new Qe(e,r[s],r[s+1],n);i.add(o)}return i}},$e.toIntArray=function(t){for(var e=new Array(t.size()).fill(null),n=0;n<e.length;n++)e[n]=t.get(n).intValue();return e},e(tn.prototype,{computeNodes:function(t){},getNodedSubstrings:function(){},interfaces_:function(){return[]},getClass:function(){return tn}}),e(en.prototype,{setSegmentIntersector:function(t){this.segInt=t},interfaces_:function(){return[tn]},getClass:function(){return en}}),h(nn,en),e(nn.prototype,{getMonotoneChains:function(){return this.monoChains},getNodedSubstrings:function(){return Ke.getNodedSubstrings(this.nodedSegStrings)},getIndex:function(){return this.index},add:function(t){for(var e=$e.getChains(t.getCoordinates(),t),n=e.iterator();n.hasNext();){var i=n.next();i.setId(this.idCounter++),this.index.insert(i.getEnvelope(),i),this.monoChains.add(i)}},computeNodes:function(t){this.nodedSegStrings=t;for(var e=t.iterator();e.hasNext();)this.add(e.next());this.intersectChains()},intersectChains:function(){for(var t=new rn(this.segInt),e=this.monoChains.iterator();e.hasNext();)for(var n=e.next(),i=this.index.query(n.getEnvelope()),r=i.iterator();r.hasNext();){var s=r.next();if(s.getId()>n.getId()&&(n.computeOverlaps(s,t),this.nOverlaps++),this.segInt.isDone())return null}},interfaces_:function(){return[]},getClass:function(){return nn}}),h(rn,Ze),e(rn.prototype,{overlap:function(){if(4!==arguments.length)return Ze.prototype.overlap.apply(this,arguments);var t=arguments[0],e=arguments[1],n=arguments[2],i=arguments[3],r=t.getContext(),s=n.getContext();this.si.processIntersections(r,e,s,i)},interfaces_:function(){return[]},getClass:function(){return rn}}),nn.SegmentOverlapAction=rn,h(sn,l),e(sn.prototype,{getCoordinate:function(){return this.pt},interfaces_:function(){return[]},getClass:function(){return sn}}),sn.msgWithCoord=function(t,e){return null!==e?t+" [ "+e+" ]":t},e(on.prototype,{processIntersections:function(t,e,n,i){},isDone:function(){},interfaces_:function(){return[]},getClass:function(){return on}}),e(an.prototype,{getInteriorIntersection:function(){return this.interiorIntersection},setCheckEndSegmentsOnly:function(t){this.isCheckEndSegmentsOnly=t},getIntersectionSegments:function(){return this.intSegments},count:function(){return this.intersectionCount},getIntersections:function(){return this.intersections},setFindAllIntersections:function(t){this.findAllIntersections=t},setKeepIntersections:function(t){this.keepIntersections=t},processIntersections:function(t,e,n,i){if(!this.findAllIntersections&&this.hasIntersection())return null;if(t===n&&e===i)return null;if(this.isCheckEndSegmentsOnly){var r=this.isEndSegment(t,e)||this.isEndSegment(n,i);if(!r)return null}var s=t.getCoordinates()[e],o=t.getCoordinates()[e+1],a=n.getCoordinates()[i],u=n.getCoordinates()[i+1];this.li.computeIntersection(s,o,a,u),this.li.hasIntersection()&&this.li.isInteriorIntersection()&&(this.intSegments=new Array(4).fill(null),this.intSegments[0]=s,this.intSegments[1]=o,this.intSegments[2]=a,this.intSegments[3]=u,this.interiorIntersection=this.li.getIntersection(0),this.keepIntersections&&this.intersections.add(this.interiorIntersection),this.intersectionCount++)},isEndSegment:function(t,e){return 0===e||e>=t.size()-2},hasIntersection:function(){return null!==this.interiorIntersection},isDone:function(){return!this.findAllIntersections&&null!==this.interiorIntersection},interfaces_:function(){return[on]},getClass:function(){return an}}),an.createAllIntersectionsFinder=function(t){var e=new an(t);return e.setFindAllIntersections(!0),e},an.createAnyIntersectionFinder=function(t){return new an(t)},an.createIntersectionCounter=function(t){var e=new an(t);return e.setFindAllIntersections(!0),e.setKeepIntersections(!1),e},e(un.prototype,{execute:function(){return null!==this.segInt?null:void this.checkInteriorIntersections()},getIntersections:function(){return this.segInt.getIntersections()},isValid:function(){return this.execute(),this._isValid},setFindAllIntersections:function(t){this.findAllIntersections=t},checkInteriorIntersections:function(){this._isValid=!0,this.segInt=new an(this.li),this.segInt.setFindAllIntersections(this.findAllIntersections);var t=new nn;if(t.setSegmentIntersector(this.segInt),t.computeNodes(this.segStrings),this.segInt.hasIntersection())return this._isValid=!1,null},checkValid:function(){if(this.execute(),!this._isValid)throw new sn(this.getErrorMessage(),this.segInt.getInteriorIntersection())},getErrorMessage:function(){if(this._isValid)return"no intersections found";var t=this.segInt.getIntersectionSegments();return"found non-noded intersection between "+se.toLineString(t[0],t[1])+" and "+se.toLineString(t[2],t[3])},interfaces_:function(){return[]},getClass:function(){return un}}),un.computeIntersections=function(t){var e=new un(t);return e.setFindAllIntersections(!0),e.isValid(),e.getIntersections()},e(ln.prototype,{checkValid:function(){this.nv.checkValid()},interfaces_:function(){return[]},getClass:function(){return ln}}),ln.toSegmentStrings=function(t){for(var e=new I,n=t.iterator();n.hasNext();){var i=n.next();e.add(new Oe(i.getCoordinates(),i))}return e},ln.checkValid=function(t){var e=new ln(t);e.checkValid()},e(hn.prototype,{map:function(t){for(var e=new I,n=0;n<t.getNumGeometries();n++){var i=this.mapOp.map(t.getGeometryN(n));i.isEmpty()||e.add(i)}return t.getFactory().createGeometryCollection(ie.toGeometryArray(e))},interfaces_:function(){return[]},getClass:function(){return hn}}),hn.map=function(t,e){var n=new hn(e);return n.map(t)},e(cn.prototype,{interfaces_:function(){return[]},getClass:function(){return cn}}),cn.opposite=function(t){return t===cn.LEFT?cn.RIGHT:t===cn.RIGHT?cn.LEFT:t},cn.ON=0,cn.LEFT=1,cn.RIGHT=2,e(fn.prototype,{setAllLocations:function(t){for(var e=0;e<this.location.length;e++)this.location[e]=t},isNull:function(){for(var t=0;t<this.location.length;t++)if(this.location[t]!==L.NONE)return!1;return!0},setAllLocationsIfNull:function(t){for(var e=0;e<this.location.length;e++)this.location[e]===L.NONE&&(this.location[e]=t)},isLine:function(){return 1===this.location.length},merge:function(t){if(t.location.length>this.location.length){var e=new Array(3).fill(null);e[cn.ON]=this.location[cn.ON],e[cn.LEFT]=L.NONE,e[cn.RIGHT]=L.NONE,this.location=e}for(var n=0;n<this.location.length;n++)this.location[n]===L.NONE&&n<t.location.length&&(this.location[n]=t.location[n])},getLocations:function(){return this.location},flip:function(){if(this.location.length<=1)return null;var t=this.location[cn.LEFT];this.location[cn.LEFT]=this.location[cn.RIGHT],this.location[cn.RIGHT]=t},toString:function(){var t=new P;return this.location.length>1&&t.append(L.toLocationSymbol(this.location[cn.LEFT])),t.append(L.toLocationSymbol(this.location[cn.ON])),this.location.length>1&&t.append(L.toLocationSymbol(this.location[cn.RIGHT])),t.toString()},setLocations:function(t,e,n){this.location[cn.ON]=t,this.location[cn.LEFT]=e,this.location[cn.RIGHT]=n},get:function(t){return t<this.location.length?this.location[t]:L.NONE},isArea:function(){return this.location.length>1},isAnyNull:function(){for(var t=0;t<this.location.length;t++)if(this.location[t]===L.NONE)return!0;return!1},setLocation:function(){if(1===arguments.length){var t=arguments[0];this.setLocation(cn.ON,t)}else if(2===arguments.length){var e=arguments[0],n=arguments[1];this.location[e]=n}},init:function(t){this.location=new Array(t).fill(null),this.setAllLocations(L.NONE)},isEqualOnSide:function(t,e){return this.location[e]===t.location[e]},allPositionsEqual:function(t){for(var e=0;e<this.location.length;e++)if(this.location[e]!==t)return!1;return!0},interfaces_:function(){return[]},getClass:function(){return fn}}),e(gn.prototype,{getGeometryCount:function(){var t=0;return this.elt[0].isNull()||t++,this.elt[1].isNull()||t++,t},setAllLocations:function(t,e){this.elt[t].setAllLocations(e)},isNull:function(t){return this.elt[t].isNull()},setAllLocationsIfNull:function(){if(1===arguments.length){var t=arguments[0];this.setAllLocationsIfNull(0,t),this.setAllLocationsIfNull(1,t)}else if(2===arguments.length){var e=arguments[0],n=arguments[1];this.elt[e].setAllLocationsIfNull(n)}},isLine:function(t){return this.elt[t].isLine()},merge:function(t){for(var e=0;e<2;e++)null===this.elt[e]&&null!==t.elt[e]?this.elt[e]=new fn(t.elt[e]):this.elt[e].merge(t.elt[e])},flip:function(){this.elt[0].flip(),this.elt[1].flip()},getLocation:function(){if(1===arguments.length){var t=arguments[0];return this.elt[t].get(cn.ON)}if(2===arguments.length){var e=arguments[0],n=arguments[1];return this.elt[e].get(n)}},toString:function(){var t=new P;return null!==this.elt[0]&&(t.append("A:"),t.append(this.elt[0].toString())),null!==this.elt[1]&&(t.append(" B:"),t.append(this.elt[1].toString())),t.toString()},isArea:function(){if(0===arguments.length)return this.elt[0].isArea()||this.elt[1].isArea();if(1===arguments.length){var t=arguments[0];return this.elt[t].isArea()}},isAnyNull:function(t){return this.elt[t].isAnyNull()},setLocation:function(){if(2===arguments.length){var t=arguments[0],e=arguments[1];this.elt[t].setLocation(cn.ON,e)}else if(3===arguments.length){var n=arguments[0],i=arguments[1],r=arguments[2];this.elt[n].setLocation(i,r)}},isEqualOnSide:function(t,e){return this.elt[0].isEqualOnSide(t.elt[0],e)&&this.elt[1].isEqualOnSide(t.elt[1],e)},allPositionsEqual:function(t,e){return this.elt[t].allPositionsEqual(e)},toLine:function(t){this.elt[t].isArea()&&(this.elt[t]=new fn(this.elt[t].location[0]))},interfaces_:function(){return[]},getClass:function(){return gn}}),gn.toLineLabel=function(t){for(var e=new gn(L.NONE),n=0;n<2;n++)e.setLocation(n,t.getLocation(n));return e},e(dn.prototype,{computeRing:function(){if(null!==this.ring)return null;for(var t=new Array(this.pts.size()).fill(null),e=0;e<this.pts.size();e++)t[e]=this.pts.get(e);this.ring=this.geometryFactory.createLinearRing(t),this._isHole=he.isCCW(this.ring.getCoordinates())},isIsolated:function(){return 1===this.label.getGeometryCount()},computePoints:function(t){this.startDe=t;var e=t,n=!0;do{if(null===e)throw new sn("Found null DirectedEdge");if(e.getEdgeRing()===this)throw new sn("Directed Edge visited twice during ring-building at "+e.getCoordinate());this.edges.add(e);var i=e.getLabel();f.isTrue(i.isArea()),this.mergeLabel(i),this.addPoints(e.getEdge(),e.isForward(),n),n=!1,this.setEdgeRing(e,this),e=this.getNext(e)}while(e!==this.startDe)},getLinearRing:function(){return this.ring},getCoordinate:function(t){return this.pts.get(t)},computeMaxNodeDegree:function(){this.maxNodeDegree=0;var t=this.startDe;do{var e=t.getNode(),n=e.getEdges().getOutgoingDegree(this);n>this.maxNodeDegree&&(this.maxNodeDegree=n),t=this.getNext(t)}while(t!==this.startDe);this.maxNodeDegree*=2},addPoints:function(t,e,n){var i=t.getCoordinates();if(e){var r=1;n&&(r=0);for(var s=r;s<i.length;s++)this.pts.add(i[s])}else{var r=i.length-2;n&&(r=i.length-1);for(var s=r;s>=0;s--)this.pts.add(i[s])}},isHole:function(){return this._isHole},setInResult:function(){var t=this.startDe;do t.getEdge().setInResult(!0),t=t.getNext();while(t!==this.startDe)},containsPoint:function(t){var e=this.getLinearRing(),n=e.getEnvelopeInternal();if(!n.contains(t))return!1;if(!he.isPointInRing(t,e.getCoordinates()))return!1;for(var i=this.holes.iterator();i.hasNext();){var r=i.next();if(r.containsPoint(t))return!1}return!0},addHole:function(t){this.holes.add(t)},isShell:function(){return null===this.shell},getLabel:function(){return this.label},getEdges:function(){return this.edges},getMaxNodeDegree:function(){return this.maxNodeDegree<0&&this.computeMaxNodeDegree(),this.maxNodeDegree},getShell:function(){return this.shell},mergeLabel:function(){if(1===arguments.length){var t=arguments[0];this.mergeLabel(t,0),this.mergeLabel(t,1)}else if(2===arguments.length){var e=arguments[0],n=arguments[1],i=e.getLocation(n,cn.RIGHT);if(i===L.NONE)return null;if(this.label.getLocation(n)===L.NONE)return this.label.setLocation(n,i),null}},setShell:function(t){this.shell=t,null!==t&&t.addHole(this)},toPolygon:function(t){for(var e=new Array(this.holes.size()).fill(null),n=0;n<this.holes.size();n++)e[n]=this.holes.get(n).getLinearRing();var i=t.createPolygon(this.getLinearRing(),e);return i},interfaces_:function(){return[]},getClass:function(){return dn}}),h(pn,dn),e(pn.prototype,{setEdgeRing:function(t,e){t.setMinEdgeRing(e)},getNext:function(t){return t.getNextMin()},interfaces_:function(){return[]},getClass:function(){return pn}}),h(vn,dn),e(vn.prototype,{buildMinimalRings:function(){var t=new I,e=this.startDe;do{if(null===e.getMinEdgeRing()){var n=new pn(e,this.geometryFactory);t.add(n)}e=e.getNext()}while(e!==this.startDe);return t},setEdgeRing:function(t,e){t.setEdgeRing(e)},linkDirectedEdgesForMinimalEdgeRings:function(){var t=this.startDe;do{var e=t.getNode();e.getEdges().linkMinimalDirectedEdges(this),t=t.getNext()}while(t!==this.startDe)},getNext:function(t){return t.getNext()},interfaces_:function(){return[]},getClass:function(){return vn}}),e(mn.prototype,{setVisited:function(t){this._isVisited=t},setInResult:function(t){this._isInResult=t},isCovered:function(){return this._isCovered},isCoveredSet:function(){return this._isCoveredSet},setLabel:function(t){this.label=t},getLabel:function(){return this.label},setCovered:function(t){this._isCovered=t,this._isCoveredSet=!0},updateIM:function(t){f.isTrue(this.label.getGeometryCount()>=2,"found partial label"),this.computeIM(t)},isInResult:function(){return this._isInResult},isVisited:function(){return this._isVisited},interfaces_:function(){return[]},getClass:function(){return mn}}),h(yn,mn),e(yn.prototype,{isIncidentEdgeInResult:function(){for(var t=this.getEdges().getEdges().iterator();t.hasNext();){var e=t.next();if(e.getEdge().isInResult())return!0}return!1},isIsolated:function(){return 1===this.label.getGeometryCount()},getCoordinate:function(){return this.coord},print:function(t){t.println("node "+this.coord+" lbl: "+this.label)},computeIM:function(t){},computeMergedLocation:function(t,e){var n=L.NONE;if(n=this.label.getLocation(e),!t.isNull(e)){var i=t.getLocation(e);n!==L.BOUNDARY&&(n=i)}return n},setLabel:function(){if(2!==arguments.length)return mn.prototype.setLabel.apply(this,arguments);var t=arguments[0],e=arguments[1];null===this.label?this.label=new gn(t,e):this.label.setLocation(t,e)},getEdges:function(){return this.edges},mergeLabel:function(){if(arguments[0]instanceof yn){var t=arguments[0];this.mergeLabel(t.label)}else if(arguments[0]instanceof gn)for(var e=arguments[0],n=0;n<2;n++){var i=this.computeMergedLocation(e,n),r=this.label.getLocation(n);r===L.NONE&&this.label.setLocation(n,i)}},add:function(t){this.edges.insert(t),t.setNode(this)},setLabelBoundary:function(t){if(null===this.label)return null;var e=L.NONE;null!==this.label&&(e=this.label.getLocation(t));var n=null;switch(e){case L.BOUNDARY:n=L.INTERIOR;break;case L.INTERIOR:n=L.BOUNDARY;break;default:n=L.BOUNDARY}this.label.setLocation(t,n)},interfaces_:function(){return[]},getClass:function(){return yn}}),e(xn.prototype,{find:function(t){return this.nodeMap.get(t)},addNode:function(){if(arguments[0]instanceof g){var t=arguments[0],e=this.nodeMap.get(t);return null===e&&(e=this.nodeFact.createNode(t),this.nodeMap.put(t,e)),e}if(arguments[0]instanceof yn){var n=arguments[0],e=this.nodeMap.get(n.getCoordinate());return null===e?(this.nodeMap.put(n.getCoordinate(),n),n):(e.mergeLabel(n),e)}},print:function(t){for(var e=this.iterator();e.hasNext();){var n=e.next();n.print(t)}},iterator:function(){return this.nodeMap.values().iterator()},values:function(){return this.nodeMap.values()},getBoundaryNodes:function(t){for(var e=new I,n=this.iterator();n.hasNext();){var i=n.next();i.getLabel().getLocation(t)===L.BOUNDARY&&e.add(i)}return e},add:function(t){var e=t.getCoordinate(),n=this.addNode(e);n.add(t)},interfaces_:function(){return[]},getClass:function(){return xn}}),e(En.prototype,{compareDirection:function(t){return this.dx===t.dx&&this.dy===t.dy?0:this.quadrant>t.quadrant?1:this.quadrant<t.quadrant?-1:he.computeOrientation(t.p0,t.p1,this.p1)},getDy:function(){return this.dy},getCoordinate:function(){return this.p0},setNode:function(t){this.node=t},print:function(t){var e=Math.atan2(this.dy,this.dx),n=this.getClass().getName(),i=n.lastIndexOf("."),r=n.substring(i+1);t.print("  "+r+": "+this.p0+" - "+this.p1+" "+this.quadrant+":"+e+"   "+this.label)},compareTo:function(t){var e=t;return this.compareDirection(e)},getDirectedCoordinate:function(){return this.p1},getDx:function(){return this.dx},getLabel:function(){return this.label},getEdge:function(){return this.edge},getQuadrant:function(){return this.quadrant},getNode:function(){return this.node},toString:function(){var t=Math.atan2(this.dy,this.dx),e=this.getClass().getName(),n=e.lastIndexOf("."),i=e.substring(n+1);return"  "+i+": "+this.p0+" - "+this.p1+" "+this.quadrant+":"+t+"   "+this.label},computeLabel:function(t){},init:function(t,e){this.p0=t,this.p1=e,this.dx=e.x-t.x,this.dy=e.y-t.y,this.quadrant=Je.quadrant(this.dx,this.dy),f.isTrue(!(0===this.dx&&0===this.dy),"EdgeEnd with identical endpoints found")},interfaces_:function(){return[s]},getClass:function(){return En}}),h(In,En),e(In.prototype,{getNextMin:function(){return this.nextMin},getDepth:function(t){return this.depth[t]},setVisited:function(t){this._isVisited=t},computeDirectedLabel:function(){this.label=new gn(this.edge.getLabel()),this._isForward||this.label.flip()},getNext:function(){return this.next},setDepth:function(t,e){if(this.depth[t]!==-999&&this.depth[t]!==e)throw new sn("assigned depths do not match",this.getCoordinate());this.depth[t]=e},isInteriorAreaEdge:function t(){for(var t=!0,e=0;e<2;e++)this.label.isArea(e)&&this.label.getLocation(e,cn.LEFT)===L.INTERIOR&&this.label.getLocation(e,cn.RIGHT)===L.INTERIOR||(t=!1);return t},setNextMin:function(t){this.nextMin=t},print:function(t){En.prototype.print.call(this,t),t.print(" "+this.depth[cn.LEFT]+"/"+this.depth[cn.RIGHT]),t.print(" ("+this.getDepthDelta()+")"),this._isInResult&&t.print(" inResult")},setMinEdgeRing:function(t){this.minEdgeRing=t},isLineEdge:function(){var t=this.label.isLine(0)||this.label.isLine(1),e=!this.label.isArea(0)||this.label.allPositionsEqual(0,L.EXTERIOR),n=!this.label.isArea(1)||this.label.allPositionsEqual(1,L.EXTERIOR);return t&&e&&n},setEdgeRing:function(t){this.edgeRing=t},getMinEdgeRing:function(){return this.minEdgeRing},getDepthDelta:function(){var t=this.edge.getDepthDelta();return this._isForward||(t=-t),t},setInResult:function(t){this._isInResult=t},getSym:function(){return this.sym},isForward:function(){return this._isForward},getEdge:function(){return this.edge},printEdge:function(t){this.print(t),t.print(" "),this._isForward?this.edge.print(t):this.edge.printReverse(t)},setSym:function(t){this.sym=t},setVisitedEdge:function(t){this.setVisited(t),this.sym.setVisited(t)},setEdgeDepths:function(t,e){var n=this.getEdge().getDepthDelta();this._isForward||(n=-n);var i=1;t===cn.LEFT&&(i=-1);var r=cn.opposite(t),s=n*i,o=e+s;this.setDepth(t,e),this.setDepth(r,o)},getEdgeRing:function(){return this.edgeRing},isInResult:function(){return this._isInResult},setNext:function(t){this.next=t},isVisited:function(){return this._isVisited},interfaces_:function(){return[]},getClass:function(){return In}}),In.depthFactor=function(t,e){return t===L.EXTERIOR&&e===L.INTERIOR?1:t===L.INTERIOR&&e===L.EXTERIOR?-1:0},e(Nn.prototype,{createNode:function(t){return new yn(t,null)},interfaces_:function(){return[]},getClass:function(){return Nn}}),e(Cn.prototype,{printEdges:function(t){t.println("Edges:");for(var e=0;e<this.edges.size();e++){t.println("edge "+e+":");var n=this.edges.get(e);n.print(t),n.eiList.print(t)}},find:function(t){return this.nodes.find(t)},addNode:function(){if(arguments[0]instanceof yn){var t=arguments[0];return this.nodes.addNode(t)}if(arguments[0]instanceof g){var e=arguments[0];return this.nodes.addNode(e)}},getNodeIterator:function(){return this.nodes.iterator()},linkResultDirectedEdges:function(){for(var t=this.nodes.iterator();t.hasNext();){var e=t.next();e.getEdges().linkResultDirectedEdges()}},debugPrintln:function(t){A.out.println(t)},isBoundaryNode:function(t,e){var n=this.nodes.find(e);if(null===n)return!1;var i=n.getLabel();return null!==i&&i.getLocation(t)===L.BOUNDARY},linkAllDirectedEdges:function(){for(var t=this.nodes.iterator();t.hasNext();){var e=t.next();e.getEdges().linkAllDirectedEdges()}},matchInSameDirection:function(t,e,n,i){return!!t.equals(n)&&(he.computeOrientation(t,e,i)===he.COLLINEAR&&Je.quadrant(t,e)===Je.quadrant(n,i))},getEdgeEnds:function(){return this.edgeEndList},debugPrint:function(t){A.out.print(t)},getEdgeIterator:function(){return this.edges.iterator()},findEdgeInSameDirection:function(t,e){for(var n=0;n<this.edges.size();n++){var i=this.edges.get(n),r=i.getCoordinates();if(this.matchInSameDirection(t,e,r[0],r[1]))return i;if(this.matchInSameDirection(t,e,r[r.length-1],r[r.length-2]))return i}return null},insertEdge:function(t){this.edges.add(t)},findEdgeEnd:function(t){for(var e=this.getEdgeEnds().iterator();e.hasNext();){var n=e.next();if(n.getEdge()===t)return n}return null},addEdges:function(t){for(var e=t.iterator();e.hasNext();){var n=e.next();this.edges.add(n);var i=new In(n,(!0)),r=new In(n,(!1));i.setSym(r),r.setSym(i),this.add(i),this.add(r)}},add:function(t){this.nodes.add(t),this.edgeEndList.add(t)},getNodes:function(){return this.nodes.values()},findEdge:function(t,e){for(var n=0;n<this.edges.size();n++){var i=this.edges.get(n),r=i.getCoordinates();if(t.equals(r[0])&&e.equals(r[1]))return i}return null},interfaces_:function(){return[]},getClass:function(){return Cn}}),Cn.linkResultDirectedEdges=function(t){for(var e=t.iterator();e.hasNext();){var n=e.next();n.getEdges().linkResultDirectedEdges()}},e(Sn.prototype,{sortShellsAndHoles:function(t,e,n){for(var i=t.iterator();i.hasNext();){var r=i.next();r.isHole()?n.add(r):e.add(r)}},computePolygons:function(t){for(var e=new I,n=t.iterator();n.hasNext();){var i=n.next(),r=i.toPolygon(this.geometryFactory);e.add(r)}return e},placeFreeHoles:function(t,e){for(var n=e.iterator();n.hasNext();){var i=n.next();if(null===i.getShell()){var r=this.findEdgeRingContaining(i,t);if(null===r)throw new sn("unable to assign hole to a shell",i.getCoordinate(0));i.setShell(r)}}},buildMinimalEdgeRings:function(t,e,n){for(var i=new I,r=t.iterator();r.hasNext();){var s=r.next();if(s.getMaxNodeDegree()>2){s.linkDirectedEdgesForMinimalEdgeRings();var o=s.buildMinimalRings(),a=this.findShell(o);null!==a?(this.placePolygonHoles(a,o),e.add(a)):n.addAll(o)}else i.add(s)}return i},containsPoint:function(t){for(var e=this.shellList.iterator();e.hasNext();){var n=e.next();if(n.containsPoint(t))return!0}return!1},buildMaximalEdgeRings:function(t){for(var e=new I,n=t.iterator();n.hasNext();){var i=n.next();if(i.isInResult()&&i.getLabel().isArea()&&null===i.getEdgeRing()){var r=new vn(i,this.geometryFactory);e.add(r),r.setInResult()}}return e},placePolygonHoles:function(t,e){for(var n=e.iterator();n.hasNext();){var i=n.next();i.isHole()&&i.setShell(t)}},getPolygons:function(){var t=this.computePolygons(this.shellList);return t},findEdgeRingContaining:function(t,e){for(var n=t.getLinearRing(),i=n.getEnvelopeInternal(),r=n.getCoordinateN(0),s=null,o=null,a=e.iterator();a.hasNext();){var u=a.next(),l=u.getLinearRing(),h=l.getEnvelopeInternal();null!==s&&(o=s.getLinearRing().getEnvelopeInternal());var c=!1;h.contains(i)&&he.isPointInRing(r,l.getCoordinates())&&(c=!0),c&&(null===s||o.contains(h))&&(s=u)}return s},findShell:function(t){for(var e=0,n=null,i=t.iterator();i.hasNext();){var r=i.next();r.isHole()||(n=r,e++)}return f.isTrue(e<=1,"found two shells in MinimalEdgeRing list"),n},add:function(){if(1===arguments.length){var t=arguments[0];this.add(t.getEdgeEnds(),t.getNodes())}else if(2===arguments.length){var e=arguments[0],n=arguments[1];Cn.linkResultDirectedEdges(n);var i=this.buildMaximalEdgeRings(e),r=new I,s=this.buildMinimalEdgeRings(i,this.shellList,r);this.sortShellsAndHoles(s,this.shellList,r),this.placeFreeHoles(this.shellList,r)}},interfaces_:function(){return[]},getClass:function(){return Sn}}),e(wn.prototype,{collectLines:function(t){for(var e=this.op.getGraph().getEdgeEnds().iterator();e.hasNext();){var n=e.next();this.collectLineEdge(n,t,this.lineEdgesList),this.collectBoundaryTouchEdge(n,t,this.lineEdgesList)}},labelIsolatedLine:function(t,e){var n=this.ptLocator.locate(t.getCoordinate(),this.op.getArgGeometry(e));t.getLabel().setLocation(e,n)},build:function(t){return this.findCoveredLineEdges(),this.collectLines(t),this.buildLines(t),this.resultLineList},collectLineEdge:function(t,e,n){var i=t.getLabel(),r=t.getEdge();t.isLineEdge()&&(t.isVisited()||!ii.isResultOfOp(i,e)||r.isCovered()||(n.add(r),t.setVisitedEdge(!0)))},findCoveredLineEdges:function(){for(var t=this.op.getGraph().getNodes().iterator();t.hasNext();){var e=t.next();e.getEdges().findCoveredLineEdges()}for(var n=this.op.getGraph().getEdgeEnds().iterator();n.hasNext();){var i=n.next(),r=i.getEdge();if(i.isLineEdge()&&!r.isCoveredSet()){var s=this.op.isCoveredByA(i.getCoordinate());r.setCovered(s)}}},labelIsolatedLines:function(t){for(var e=t.iterator();e.hasNext();){var n=e.next(),i=n.getLabel();n.isIsolated()&&(i.isNull(0)?this.labelIsolatedLine(n,0):this.labelIsolatedLine(n,1))}},buildLines:function(t){for(var e=this.lineEdgesList.iterator();e.hasNext();){var n=e.next(),i=(n.getLabel(),this.geometryFactory.createLineString(n.getCoordinates()));this.resultLineList.add(i),n.setInResult(!0)}},collectBoundaryTouchEdge:function(t,e,n){var i=t.getLabel();return t.isLineEdge()?null:t.isVisited()?null:t.isInteriorAreaEdge()?null:t.getEdge().isInResult()?null:(f.isTrue(!(t.isInResult()||t.getSym().isInResult())||!t.getEdge().isInResult()),void(ii.isResultOfOp(i,e)&&e===ii.INTERSECTION&&(n.add(t.getEdge()),t.setVisitedEdge(!0))))},interfaces_:function(){return[]},getClass:function(){return wn}}),e(Ln.prototype,{filterCoveredNodeToPoint:function(t){var e=t.getCoordinate();if(!this.op.isCoveredByLA(e)){var n=this.geometryFactory.createPoint(e);this.resultPointList.add(n)}},extractNonCoveredResultNodes:function(t){for(var e=this.op.getGraph().getNodes().iterator();e.hasNext();){var n=e.next();if(!(n.isInResult()||n.isIncidentEdgeInResult()||0!==n.getEdges().getDegree()&&t!==ii.INTERSECTION)){var i=n.getLabel();ii.isResultOfOp(i,t)&&this.filterCoveredNodeToPoint(n)}}},build:function(t){return this.extractNonCoveredResultNodes(t),this.resultPointList},interfaces_:function(){return[]},getClass:function(){return Ln}}),e(Rn.prototype,{locate:function(t){},interfaces_:function(){return[]},getClass:function(){return Rn}}),e(Tn.prototype,{locate:function(t){return Tn.locate(t,this.geom)},interfaces_:function(){return[Rn]},getClass:function(){return Tn}}),Tn.isPointInRing=function(t,e){return!!e.getEnvelopeInternal().intersects(t)&&he.isPointInRing(t,e.getCoordinates())},Tn.containsPointInPolygon=function(t,e){if(e.isEmpty())return!1;var n=e.getExteriorRing();if(!Tn.isPointInRing(t,n))return!1;for(var i=0;i<e.getNumInteriorRing();i++){var r=e.getInteriorRingN(i);if(Tn.isPointInRing(t,r))return!1}return!0},Tn.containsPoint=function(t,e){if(e instanceof Tt)return Tn.containsPointInPolygon(t,e);if(e instanceof ft)for(var n=new Re(e);n.hasNext();){var i=n.next();if(i!==e&&Tn.containsPoint(t,i))return!0}return!1},Tn.locate=function(t,e){return e.isEmpty()?L.EXTERIOR:Tn.containsPoint(t,e)?L.INTERIOR:L.EXTERIOR},e(Pn.prototype,{getNextCW:function(t){this.getEdges();var e=this.edgeList.indexOf(t),n=e-1;return 0===e&&(n=this.edgeList.size()-1),this.edgeList.get(n)},propagateSideLabels:function(t){for(var e=L.NONE,n=this.iterator();n.hasNext();){var i=n.next(),r=i.getLabel();r.isArea(t)&&r.getLocation(t,cn.LEFT)!==L.NONE&&(e=r.getLocation(t,cn.LEFT))}if(e===L.NONE)return null;for(var s=e,n=this.iterator();n.hasNext();){var i=n.next(),r=i.getLabel();if(r.getLocation(t,cn.ON)===L.NONE&&r.setLocation(t,cn.ON,s),r.isArea(t)){var o=r.getLocation(t,cn.LEFT),a=r.getLocation(t,cn.RIGHT);if(a!==L.NONE){if(a!==s)throw new sn("side location conflict",i.getCoordinate());o===L.NONE&&f.shouldNeverReachHere("found single null side (at "+i.getCoordinate()+")"),s=o}else f.isTrue(r.getLocation(t,cn.LEFT)===L.NONE,"found single null side"),r.setLocation(t,cn.RIGHT,s),r.setLocation(t,cn.LEFT,s)}}},getCoordinate:function(){var t=this.iterator();if(!t.hasNext())return null;var e=t.next();return e.getCoordinate()},print:function(t){A.out.println("EdgeEndStar:   "+this.getCoordinate());for(var e=this.iterator();e.hasNext();){var n=e.next();
n.print(t)}},isAreaLabelsConsistent:function(t){return this.computeEdgeEndLabels(t.getBoundaryNodeRule()),this.checkAreaLabelsConsistent(0)},checkAreaLabelsConsistent:function(t){var e=this.getEdges();if(e.size()<=0)return!0;var n=e.size()-1,i=e.get(n).getLabel(),r=i.getLocation(t,cn.LEFT);f.isTrue(r!==L.NONE,"Found unlabelled area edge");for(var s=r,o=this.iterator();o.hasNext();){var a=o.next(),u=a.getLabel();f.isTrue(u.isArea(t),"Found non-area edge");var l=u.getLocation(t,cn.LEFT),h=u.getLocation(t,cn.RIGHT);if(l===h)return!1;if(h!==s)return!1;s=l}return!0},findIndex:function(t){this.iterator();for(var e=0;e<this.edgeList.size();e++){var n=this.edgeList.get(e);if(n===t)return e}return-1},iterator:function(){return this.getEdges().iterator()},getEdges:function(){return null===this.edgeList&&(this.edgeList=new I(this.edgeMap.values())),this.edgeList},getLocation:function(t,e,n){return this.ptInAreaLocation[t]===L.NONE&&(this.ptInAreaLocation[t]=Tn.locate(e,n[t].getGeometry())),this.ptInAreaLocation[t]},toString:function(){var t=new P;t.append("EdgeEndStar:   "+this.getCoordinate()),t.append("\n");for(var e=this.iterator();e.hasNext();){var n=e.next();t.append(n),t.append("\n")}return t.toString()},computeEdgeEndLabels:function(t){for(var e=this.iterator();e.hasNext();){var n=e.next();n.computeLabel(t)}},computeLabelling:function(t){this.computeEdgeEndLabels(t[0].getBoundaryNodeRule()),this.propagateSideLabels(0),this.propagateSideLabels(1);for(var e=[!1,!1],n=this.iterator();n.hasNext();)for(var i=n.next(),r=i.getLabel(),s=0;s<2;s++)r.isLine(s)&&r.getLocation(s)===L.BOUNDARY&&(e[s]=!0);for(var n=this.iterator();n.hasNext();)for(var i=n.next(),r=i.getLabel(),s=0;s<2;s++)if(r.isAnyNull(s)){var o=L.NONE;if(e[s])o=L.EXTERIOR;else{var a=i.getCoordinate();o=this.getLocation(s,a,t)}r.setAllLocationsIfNull(s,o)}},getDegree:function(){return this.edgeMap.size()},insertEdgeEnd:function(t,e){this.edgeMap.put(t,e),this.edgeList=null},interfaces_:function(){return[]},getClass:function(){return Pn}}),h(bn,Pn),e(bn.prototype,{linkResultDirectedEdges:function(){this.getResultAreaEdges();for(var t=null,e=null,n=this.SCANNING_FOR_INCOMING,i=0;i<this.resultAreaEdgeList.size();i++){var r=this.resultAreaEdgeList.get(i),s=r.getSym();if(r.getLabel().isArea())switch(null===t&&r.isInResult()&&(t=r),n){case this.SCANNING_FOR_INCOMING:if(!s.isInResult())continue;e=s,n=this.LINKING_TO_OUTGOING;break;case this.LINKING_TO_OUTGOING:if(!r.isInResult())continue;e.setNext(r),n=this.SCANNING_FOR_INCOMING}}if(n===this.LINKING_TO_OUTGOING){if(null===t)throw new sn("no outgoing dirEdge found",this.getCoordinate());f.isTrue(t.isInResult(),"unable to link last incoming dirEdge"),e.setNext(t)}},insert:function(t){var e=t;this.insertEdgeEnd(e,e)},getRightmostEdge:function(){var t=this.getEdges(),e=t.size();if(e<1)return null;var n=t.get(0);if(1===e)return n;var i=t.get(e-1),r=n.getQuadrant(),s=i.getQuadrant();if(Je.isNorthern(r)&&Je.isNorthern(s))return n;if(!Je.isNorthern(r)&&!Je.isNorthern(s))return i;return 0!==n.getDy()?n:0!==i.getDy()?i:(f.shouldNeverReachHere("found two horizontal edges incident on node"),null)},print:function(t){A.out.println("DirectedEdgeStar: "+this.getCoordinate());for(var e=this.iterator();e.hasNext();){var n=e.next();t.print("out "),n.print(t),t.println(),t.print("in "),n.getSym().print(t),t.println()}},getResultAreaEdges:function(){if(null!==this.resultAreaEdgeList)return this.resultAreaEdgeList;this.resultAreaEdgeList=new I;for(var t=this.iterator();t.hasNext();){var e=t.next();(e.isInResult()||e.getSym().isInResult())&&this.resultAreaEdgeList.add(e)}return this.resultAreaEdgeList},updateLabelling:function(t){for(var e=this.iterator();e.hasNext();){var n=e.next(),i=n.getLabel();i.setAllLocationsIfNull(0,t.getLocation(0)),i.setAllLocationsIfNull(1,t.getLocation(1))}},linkAllDirectedEdges:function(){this.getEdges();for(var t=null,e=null,n=this.edgeList.size()-1;n>=0;n--){var i=this.edgeList.get(n),r=i.getSym();null===e&&(e=r),null!==t&&r.setNext(t),t=i}e.setNext(t)},computeDepths:function(){if(1===arguments.length){var t=arguments[0],e=this.findIndex(t),n=(t.getLabel(),t.getDepth(cn.LEFT)),i=t.getDepth(cn.RIGHT),r=this.computeDepths(e+1,this.edgeList.size(),n),s=this.computeDepths(0,e,r);if(s!==i)throw new sn("depth mismatch at "+t.getCoordinate())}else if(3===arguments.length){for(var o=arguments[0],a=arguments[1],u=arguments[2],l=u,h=o;h<a;h++){var c=this.edgeList.get(h);c.getLabel();c.setEdgeDepths(cn.RIGHT,l),l=c.getDepth(cn.LEFT)}return l}},mergeSymLabels:function(){for(var t=this.iterator();t.hasNext();){var e=t.next(),n=e.getLabel();n.merge(e.getSym().getLabel())}},linkMinimalDirectedEdges:function(t){for(var e=null,n=null,i=this.SCANNING_FOR_INCOMING,r=this.resultAreaEdgeList.size()-1;r>=0;r--){var s=this.resultAreaEdgeList.get(r),o=s.getSym();switch(null===e&&s.getEdgeRing()===t&&(e=s),i){case this.SCANNING_FOR_INCOMING:if(o.getEdgeRing()!==t)continue;n=o,i=this.LINKING_TO_OUTGOING;break;case this.LINKING_TO_OUTGOING:if(s.getEdgeRing()!==t)continue;n.setNextMin(s),i=this.SCANNING_FOR_INCOMING}}i===this.LINKING_TO_OUTGOING&&(f.isTrue(null!==e,"found null for first outgoing dirEdge"),f.isTrue(e.getEdgeRing()===t,"unable to link last incoming dirEdge"),n.setNextMin(e))},getOutgoingDegree:function(){if(0===arguments.length){for(var t=0,e=this.iterator();e.hasNext();){var n=e.next();n.isInResult()&&t++}return t}if(1===arguments.length){for(var i=arguments[0],t=0,e=this.iterator();e.hasNext();){var n=e.next();n.getEdgeRing()===i&&t++}return t}},getLabel:function(){return this.label},findCoveredLineEdges:function(){for(var t=L.NONE,e=this.iterator();e.hasNext();){var n=e.next(),i=n.getSym();if(!n.isLineEdge()){if(n.isInResult()){t=L.INTERIOR;break}if(i.isInResult()){t=L.EXTERIOR;break}}}if(t===L.NONE)return null;for(var r=t,e=this.iterator();e.hasNext();){var n=e.next(),i=n.getSym();n.isLineEdge()?n.getEdge().setCovered(r===L.INTERIOR):(n.isInResult()&&(r=L.EXTERIOR),i.isInResult()&&(r=L.INTERIOR))}},computeLabelling:function(t){Pn.prototype.computeLabelling.call(this,t),this.label=new gn(L.NONE);for(var e=this.iterator();e.hasNext();)for(var n=e.next(),i=n.getEdge(),r=i.getLabel(),s=0;s<2;s++){var o=r.getLocation(s);o!==L.INTERIOR&&o!==L.BOUNDARY||this.label.setLocation(s,L.INTERIOR)}},interfaces_:function(){return[]},getClass:function(){return bn}}),h(On,Nn),e(On.prototype,{createNode:function(t){return new yn(t,new bn)},interfaces_:function(){return[]},getClass:function(){return On}}),e(_n.prototype,{computeIntersections:function(t,e){this.mce.computeIntersectsForChain(this.chainIndex,t.mce,t.chainIndex,e)},interfaces_:function(){return[]},getClass:function(){return _n}}),e(Mn.prototype,{isDelete:function(){return this.eventType===Mn.DELETE},setDeleteEventIndex:function(t){this.deleteEventIndex=t},getObject:function(){return this.obj},compareTo:function(t){var e=t;return this.xValue<e.xValue?-1:this.xValue>e.xValue?1:this.eventType<e.eventType?-1:this.eventType>e.eventType?1:0},getInsertEvent:function(){return this.insertEvent},isInsert:function(){return this.eventType===Mn.INSERT},isSameLabel:function(t){return null!==this.label&&this.label===t.label},getDeleteEventIndex:function(){return this.deleteEventIndex},interfaces_:function(){return[s]},getClass:function(){return Mn}}),Mn.INSERT=1,Mn.DELETE=2,e(Dn.prototype,{interfaces_:function(){return[]},getClass:function(){return Dn}}),e(An.prototype,{isTrivialIntersection:function(t,e,n,i){if(t===n&&1===this.li.getIntersectionNum()){if(An.isAdjacentSegments(e,i))return!0;if(t.isClosed()){var r=t.getNumPoints()-1;if(0===e&&i===r||0===i&&e===r)return!0}}return!1},getProperIntersectionPoint:function(){return this.properIntersectionPoint},setIsDoneIfProperInt:function(t){this.isDoneWhenProperInt=t},hasProperInteriorIntersection:function(){return this.hasProperInterior},isBoundaryPointInternal:function(t,e){for(var n=e.iterator();n.hasNext();){var i=n.next(),r=i.getCoordinate();if(t.isIntersection(r))return!0}return!1},hasProperIntersection:function(){return this.hasProper},hasIntersection:function(){return this._hasIntersection},isDone:function(){return this._isDone},isBoundaryPoint:function(t,e){return null!==e&&(!!this.isBoundaryPointInternal(t,e[0])||!!this.isBoundaryPointInternal(t,e[1]))},setBoundaryNodes:function(t,e){this.bdyNodes=new Array(2).fill(null),this.bdyNodes[0]=t,this.bdyNodes[1]=e},addIntersections:function(t,e,n,i){if(t===n&&e===i)return null;this.numTests++;var r=t.getCoordinates()[e],s=t.getCoordinates()[e+1],o=n.getCoordinates()[i],a=n.getCoordinates()[i+1];this.li.computeIntersection(r,s,o,a),this.li.hasIntersection()&&(this.recordIsolated&&(t.setIsolated(!1),n.setIsolated(!1)),this.numIntersections++,this.isTrivialIntersection(t,e,n,i)||(this._hasIntersection=!0,!this.includeProper&&this.li.isProper()||(t.addIntersections(this.li,e,0),n.addIntersections(this.li,i,1)),this.li.isProper()&&(this.properIntersectionPoint=this.li.getIntersection(0).copy(),this.hasProper=!0,this.isDoneWhenProperInt&&(this._isDone=!0),this.isBoundaryPoint(this.li,this.bdyNodes)||(this.hasProperInterior=!0))))},interfaces_:function(){return[]},getClass:function(){return An}}),An.isAdjacentSegments=function(t,e){return 1===Math.abs(t-e)},h(Fn,Dn),e(Fn.prototype,{prepareEvents:function(){ho.sort(this.events);for(var t=0;t<this.events.size();t++){var e=this.events.get(t);e.isDelete()&&e.getInsertEvent().setDeleteEventIndex(t)}},computeIntersections:function(){if(1===arguments.length){var t=arguments[0];this.nOverlaps=0,this.prepareEvents();for(var e=0;e<this.events.size();e++){var n=this.events.get(e);if(n.isInsert()&&this.processOverlaps(e,n.getDeleteEventIndex(),n,t),t.isDone())break}}else if(3===arguments.length)if(arguments[2]instanceof An&&R(arguments[0],y)&&R(arguments[1],y)){var i=arguments[0],r=arguments[1],s=arguments[2];this.addEdges(i,i),this.addEdges(r,r),this.computeIntersections(s)}else if("boolean"==typeof arguments[2]&&R(arguments[0],y)&&arguments[1]instanceof An){var o=arguments[0],a=arguments[1],u=arguments[2];u?this.addEdges(o,null):this.addEdges(o),this.computeIntersections(a)}},addEdge:function(t,e){for(var n=t.getMonotoneChainEdge(),i=n.getStartIndexes(),r=0;r<i.length-1;r++){var s=new _n(n,r),o=new Mn(e,n.getMinX(r),s);this.events.add(o),this.events.add(new Mn(n.getMaxX(r),o))}},processOverlaps:function(t,e,n,i){for(var r=n.getObject(),s=t;s<e;s++){var o=this.events.get(s);if(o.isInsert()){var a=o.getObject();n.isSameLabel(o)||(r.computeIntersections(a,i),this.nOverlaps++)}}},addEdges:function(){if(1===arguments.length)for(var t=arguments[0],e=t.iterator();e.hasNext();){var n=e.next();this.addEdge(n,n)}else if(2===arguments.length)for(var i=arguments[0],r=arguments[1],e=i.iterator();e.hasNext();){var n=e.next();this.addEdge(n,r)}},interfaces_:function(){return[]},getClass:function(){return Fn}}),e(Gn.prototype,{getMin:function(){return this.min},intersects:function(t,e){return!(this.min>e||this.max<t)},getMax:function(){return this.max},toString:function(){return se.toLineString(new g(this.min,0),new g(this.max,0))},interfaces_:function(){return[]},getClass:function(){return Gn}}),e(qn.prototype,{compare:function(t,e){var n=t,i=e,r=(n.min+n.max)/2,s=(i.min+i.max)/2;return r<s?-1:r>s?1:0},interfaces_:function(){return[a]},getClass:function(){return qn}}),Gn.NodeComparator=qn,h(Bn,Gn),e(Bn.prototype,{query:function(t,e,n){return this.intersects(t,e)?void n.visitItem(this.item):null},interfaces_:function(){return[]},getClass:function(){return Bn}}),h(zn,Gn),e(zn.prototype,{buildExtent:function(t,e){this.min=Math.min(t.min,e.min),this.max=Math.max(t.max,e.max)},query:function(t,e,n){return this.intersects(t,e)?(null!==this.node1&&this.node1.query(t,e,n),void(null!==this.node2&&this.node2.query(t,e,n))):null},interfaces_:function(){return[]},getClass:function(){return zn}}),e(Vn.prototype,{buildTree:function(){ho.sort(this.leaves,new IntervalRTreeNode.NodeComparator);for(var t=this.leaves,e=null,n=new I;;){if(this.buildLevel(t,n),1===n.size())return n.get(0);e=t,t=n,n=e}},insert:function(t,e,n){if(null!==this.root)throw new IllegalStateException("Index cannot be added to once it has been queried");this.leaves.add(new Bn(t,e,n))},query:function(t,e,n){this.init(),this.root.query(t,e,n)},buildRoot:function(){return null!==this.root?null:void(this.root=this.buildTree())},printNode:function(t){A.out.println(se.toLineString(new g(t.min,this.level),new g(t.max,this.level)))},init:function(){return null!==this.root?null:void this.buildRoot()},buildLevel:function(t,e){this.level++,e.clear();for(var n=0;n<t.size();n+=2){var i=t.get(n),r=n+1<t.size()?t.get(n):null;if(null===r)e.add(i);else{var s=new zn(t.get(n),t.get(n+1));e.add(s)}}},interfaces_:function(){return[]},getClass:function(){return Vn}}),e(kn.prototype,{filter:function(t){if(this.isForcedToLineString&&t instanceof bt){var e=t.getFactory().createLineString(t.getCoordinateSequence());return this.lines.add(e),null}t instanceof St&&this.lines.add(t)},setForceToLineString:function(t){this.isForcedToLineString=t},interfaces_:function(){return[q]},getClass:function(){return kn}}),kn.getGeometry=function(){if(1===arguments.length){var t=arguments[0];return t.getFactory().buildGeometry(kn.getLines(t))}if(2===arguments.length){var e=arguments[0],n=arguments[1];return e.getFactory().buildGeometry(kn.getLines(e,n))}},kn.getLines=function(){if(1===arguments.length){var t=arguments[0];return kn.getLines(t,!1)}if(2===arguments.length){if(R(arguments[0],v)&&R(arguments[1],v)){for(var e=arguments[0],n=arguments[1],i=e.iterator();i.hasNext();){var r=i.next();kn.getLines(r,n)}return n}if(arguments[0]instanceof B&&"boolean"==typeof arguments[1]){var s=arguments[0],o=arguments[1],a=new I;return s.apply(new kn(a,o)),a}if(arguments[0]instanceof B&&R(arguments[1],v)){var u=arguments[0],l=arguments[1];return u instanceof St?l.add(u):u.apply(new kn(l)),l}}else if(3===arguments.length){if("boolean"==typeof arguments[2]&&R(arguments[0],v)&&R(arguments[1],v)){for(var h=arguments[0],c=arguments[1],f=arguments[2],i=h.iterator();i.hasNext();){var r=i.next();kn.getLines(r,c,f)}return c}if("boolean"==typeof arguments[2]&&arguments[0]instanceof B&&R(arguments[1],v)){var g=arguments[0],d=arguments[1],p=arguments[2];return g.apply(new kn(d,p)),d}}},e(Yn.prototype,{visitItem:function(t){this.items.add(t)},getItems:function(){return this.items},interfaces_:function(){return[Ae]},getClass:function(){return Yn}}),e(Un.prototype,{locate:function(t){var e=new le(t),n=new Xn(e);return this.index.query(t.y,t.y,n),e.getLocation()},interfaces_:function(){return[Rn]},getClass:function(){return Un}}),e(Xn.prototype,{visitItem:function(t){var e=t;this.counter.countSegment(e.getCoordinate(0),e.getCoordinate(1))},interfaces_:function(){return[Ae]},getClass:function(){return Xn}}),e(Hn.prototype,{init:function(t){for(var e=kn.getLines(t),n=e.iterator();n.hasNext();){var i=n.next(),r=i.getCoordinates();this.addLine(r)}},addLine:function(t){for(var e=1;e<t.length;e++){var n=new ce(t[e-1],t[e]),i=Math.min(n.p0.y,n.p1.y),r=Math.max(n.p0.y,n.p1.y);this.index.insert(i,r,n)}},query:function(){if(2===arguments.length){var t=arguments[0],e=arguments[1],n=new Yn;return this.index.query(t,e,n),n.getItems()}if(3===arguments.length){var i=arguments[0],r=arguments[1],s=arguments[2];this.index.query(i,r,s)}},interfaces_:function(){return[]},getClass:function(){return Hn}}),Un.SegmentVisitor=Xn,Un.IntervalIndexedGeometry=Hn,e(Wn.prototype,{getSegmentIndex:function(){return this.segmentIndex},getCoordinate:function(){return this.coord},print:function(t){t.print(this.coord),t.print(" seg # = "+this.segmentIndex),t.println(" dist = "+this.dist)},compareTo:function(t){var e=t;return this.compare(e.segmentIndex,e.dist)},isEndPoint:function(t){return 0===this.segmentIndex&&0===this.dist||this.segmentIndex===t},toString:function(){return this.coord+" seg # = "+this.segmentIndex+" dist = "+this.dist},getDistance:function(){return this.dist},compare:function(t,e){return this.segmentIndex<t?-1:this.segmentIndex>t?1:this.dist<e?-1:this.dist>e?1:0},interfaces_:function(){return[s]},getClass:function(){return Wn}}),e(jn.prototype,{print:function(t){t.println("Intersections:");for(var e=this.iterator();e.hasNext();){var n=e.next();n.print(t)}},iterator:function(){return this.nodeMap.values().iterator()},addSplitEdges:function(t){this.addEndpoints();for(var e=this.iterator(),n=e.next();e.hasNext();){var i=e.next(),r=this.createSplitEdge(n,i);t.add(r),n=i}},addEndpoints:function(){var t=this.edge.pts.length-1;this.add(this.edge.pts[0],0,0),this.add(this.edge.pts[t],t,0)},createSplitEdge:function(t,e){var n=e.segmentIndex-t.segmentIndex+2,i=this.edge.pts[e.segmentIndex],r=e.dist>0||!e.coord.equals2D(i);r||n--;var s=new Array(n).fill(null),o=0;s[o++]=new g(t.coord);for(var a=t.segmentIndex+1;a<=e.segmentIndex;a++)s[o++]=this.edge.pts[a];return r&&(s[o]=e.coord),new Jn(s,new gn(this.edge.label))},add:function(t,e,n){var i=new Wn(t,e,n),r=this.nodeMap.get(i);return null!==r?r:(this.nodeMap.put(i,i),i)},isIntersection:function(t){for(var e=this.iterator();e.hasNext();){var n=e.next();if(n.coord.equals(t))return!0}return!1},interfaces_:function(){return[]},getClass:function(){return jn}}),e(Kn.prototype,{getChainStartIndices:function(t){var e=0,n=new I;n.add(new b(e));do{var i=this.findChainEnd(t,e);n.add(new b(i)),e=i}while(e<t.length-1);var r=Kn.toIntArray(n);return r},findChainEnd:function(t,e){for(var n=Je.quadrant(t[e],t[e+1]),i=e+1;i<t.length;){var r=Je.quadrant(t[i-1],t[i]);if(r!==n)break;i++}return i-1},interfaces_:function(){return[]},getClass:function(){return Kn}}),Kn.toIntArray=function(t){for(var e=new Array(t.size()).fill(null),n=0;n<e.length;n++)e[n]=t.get(n).intValue();return e},e(Zn.prototype,{getCoordinates:function(){return this.pts},getMaxX:function(t){var e=this.pts[this.startIndex[t]].x,n=this.pts[this.startIndex[t+1]].x;return e>n?e:n},getMinX:function(t){var e=this.pts[this.startIndex[t]].x,n=this.pts[this.startIndex[t+1]].x;return e<n?e:n},computeIntersectsForChain:function(){if(4===arguments.length){var t=arguments[0],e=arguments[1],n=arguments[2],i=arguments[3];this.computeIntersectsForChain(this.startIndex[t],this.startIndex[t+1],e,e.startIndex[n],e.startIndex[n+1],i)}else if(6===arguments.length){var r=arguments[0],s=arguments[1],o=arguments[2],a=arguments[3],u=arguments[4],l=arguments[5],h=this.pts[r],c=this.pts[s],f=o.pts[a],g=o.pts[u];if(s-r===1&&u-a===1)return l.addIntersections(this.e,r,o.e,a),null;if(this.env1.init(h,c),this.env2.init(f,g),!this.env1.intersects(this.env2))return null;var d=Math.trunc((r+s)/2),p=Math.trunc((a+u)/2);r<d&&(a<p&&this.computeIntersectsForChain(r,d,o,a,p,l),p<u&&this.computeIntersectsForChain(r,d,o,p,u,l)),d<s&&(a<p&&this.computeIntersectsForChain(d,s,o,a,p,l),p<u&&this.computeIntersectsForChain(d,s,o,p,u,l))}},getStartIndexes:function(){return this.startIndex},computeIntersects:function(t,e){for(var n=0;n<this.startIndex.length-1;n++)for(var i=0;i<t.startIndex.length-1;i++)this.computeIntersectsForChain(n,t,i,e)},interfaces_:function(){return[]},getClass:function(){return Zn}}),e(Qn.prototype,{getDepth:function(t,e){return this.depth[t][e]},setDepth:function(t,e,n){this.depth[t][e]=n},isNull:function(){if(0===arguments.length){for(var t=0;t<2;t++)for(var e=0;e<3;e++)if(this.depth[t][e]!==Qn.NULL_VALUE)return!1;return!0}if(1===arguments.length){var n=arguments[0];return this.depth[n][1]===Qn.NULL_VALUE}if(2===arguments.length){var i=arguments[0],r=arguments[1];return this.depth[i][r]===Qn.NULL_VALUE}},normalize:function(){for(var t=0;t<2;t++)if(!this.isNull(t)){var e=this.depth[t][1];this.depth[t][2]<e&&(e=this.depth[t][2]),e<0&&(e=0);for(var n=1;n<3;n++){var i=0;this.depth[t][n]>e&&(i=1),this.depth[t][n]=i}}},getDelta:function(t){return this.depth[t][cn.RIGHT]-this.depth[t][cn.LEFT]},getLocation:function(t,e){return this.depth[t][e]<=0?L.EXTERIOR:L.INTERIOR},toString:function(){return"A: "+this.depth[0][1]+","+this.depth[0][2]+" B: "+this.depth[1][1]+","+this.depth[1][2]},add:function(){if(1===arguments.length)for(var t=arguments[0],e=0;e<2;e++)for(var n=1;n<3;n++){var i=t.getLocation(e,n);i!==L.EXTERIOR&&i!==L.INTERIOR||(this.isNull(e,n)?this.depth[e][n]=Qn.depthAtLocation(i):this.depth[e][n]+=Qn.depthAtLocation(i))}else if(3===arguments.length){var r=arguments[0],s=arguments[1],o=arguments[2];o===L.INTERIOR&&this.depth[r][s]++}},interfaces_:function(){return[]},getClass:function(){return Qn}}),Qn.depthAtLocation=function(t){return t===L.EXTERIOR?0:t===L.INTERIOR?1:Qn.NULL_VALUE},Qn.NULL_VALUE=-1,h(Jn,mn),e(Jn.prototype,{getDepth:function(){return this.depth},getCollapsedEdge:function(){var t=new Array(2).fill(null);t[0]=this.pts[0],t[1]=this.pts[1];var e=new Jn(t,gn.toLineLabel(this.label));return e},isIsolated:function(){return this._isIsolated},getCoordinates:function(){return this.pts},setIsolated:function(t){this._isIsolated=t},setName:function(t){this.name=t},equals:function(t){if(!(t instanceof Jn))return!1;var e=t;if(this.pts.length!==e.pts.length)return!1;for(var n=!0,i=!0,r=this.pts.length,s=0;s<this.pts.length;s++)if(this.pts[s].equals2D(e.pts[s])||(n=!1),this.pts[s].equals2D(e.pts[--r])||(i=!1),!n&&!i)return!1;return!0},getCoordinate:function(){if(0===arguments.length)return this.pts.length>0?this.pts[0]:null;if(1===arguments.length){var t=arguments[0];return this.pts[t]}},print:function(t){t.print("edge "+this.name+": "),t.print("LINESTRING (");for(var e=0;e<this.pts.length;e++)e>0&&t.print(","),t.print(this.pts[e].x+" "+this.pts[e].y);t.print(")  "+this.label+" "+this.depthDelta)},computeIM:function(t){Jn.updateIM(this.label,t)},isCollapsed:function(){return!!this.label.isArea()&&(3===this.pts.length&&!!this.pts[0].equals(this.pts[2]))},isClosed:function(){return this.pts[0].equals(this.pts[this.pts.length-1])},getMaximumSegmentIndex:function(){return this.pts.length-1},getDepthDelta:function(){return this.depthDelta},getNumPoints:function(){return this.pts.length},printReverse:function(t){t.print("edge "+this.name+": ");for(var e=this.pts.length-1;e>=0;e--)t.print(this.pts[e]+" ");t.println("")},getMonotoneChainEdge:function(){return null===this.mce&&(this.mce=new Zn(this)),this.mce},getEnvelope:function(){if(null===this.env){this.env=new C;for(var t=0;t<this.pts.length;t++)this.env.expandToInclude(this.pts[t])}return this.env},addIntersection:function(t,e,n,i){var r=new g(t.getIntersection(i)),s=e,o=t.getEdgeDistance(n,i),a=s+1;if(a<this.pts.length){var u=this.pts[a];r.equals2D(u)&&(s=a,o=0)}this.eiList.add(r,s,o)},toString:function(){var t=new P;t.append("edge "+this.name+": "),t.append("LINESTRING (");for(var e=0;e<this.pts.length;e++)e>0&&t.append(","),t.append(this.pts[e].x+" "+this.pts[e].y);return t.append(")  "+this.label+" "+this.depthDelta),t.toString()},isPointwiseEqual:function(t){if(this.pts.length!==t.pts.length)return!1;for(var e=0;e<this.pts.length;e++)if(!this.pts[e].equals2D(t.pts[e]))return!1;return!0},setDepthDelta:function(t){this.depthDelta=t},getEdgeIntersectionList:function(){return this.eiList},addIntersections:function(t,e,n){for(var i=0;i<t.getIntersectionNum();i++)this.addIntersection(t,e,n,i)},interfaces_:function(){return[]},getClass:function(){return Jn}}),Jn.updateIM=function(){if(2!==arguments.length)return mn.prototype.updateIM.apply(this,arguments);var t=arguments[0],e=arguments[1];e.setAtLeastIfValid(t.getLocation(0,cn.ON),t.getLocation(1,cn.ON),1),t.isArea()&&(e.setAtLeastIfValid(t.getLocation(0,cn.LEFT),t.getLocation(1,cn.LEFT),2),e.setAtLeastIfValid(t.getLocation(0,cn.RIGHT),t.getLocation(1,cn.RIGHT),2))},h($n,Cn),e($n.prototype,{insertBoundaryPoint:function(t,e){var n=this.nodes.addNode(e),i=n.getLabel(),r=1,s=L.NONE;s=i.getLocation(t,cn.ON),s===L.BOUNDARY&&r++;var o=$n.determineBoundary(this.boundaryNodeRule,r);i.setLocation(t,o)},computeSelfNodes:function(){if(2===arguments.length){var t=arguments[0],e=arguments[1];return this.computeSelfNodes(t,e,!1)}if(3===arguments.length){var n=arguments[0],i=arguments[1],r=arguments[2],s=new An(n,(!0),(!1));s.setIsDoneIfProperInt(r);var o=this.createEdgeSetIntersector(),a=this.parentGeom instanceof bt||this.parentGeom instanceof Tt||this.parentGeom instanceof Ot,u=i||!a;return o.computeIntersections(this.edges,s,u),this.addSelfIntersectionNodes(this.argIndex),s}},computeSplitEdges:function(t){for(var e=this.edges.iterator();e.hasNext();){var n=e.next();n.eiList.addSplitEdges(t)}},computeEdgeIntersections:function(t,e,n){var i=new An(e,n,(!0));i.setBoundaryNodes(this.getBoundaryNodes(),t.getBoundaryNodes());var r=this.createEdgeSetIntersector();return r.computeIntersections(this.edges,t.edges,i),i},getGeometry:function(){return this.parentGeom},getBoundaryNodeRule:function(){return this.boundaryNodeRule},hasTooFewPoints:function(){return this._hasTooFewPoints},addPoint:function(){if(arguments[0]instanceof Lt){var t=arguments[0],e=t.getCoordinate();this.insertPoint(this.argIndex,e,L.INTERIOR)}else if(arguments[0]instanceof g){var n=arguments[0];this.insertPoint(this.argIndex,n,L.INTERIOR)}},addPolygon:function(t){this.addPolygonRing(t.getExteriorRing(),L.EXTERIOR,L.INTERIOR);for(var e=0;e<t.getNumInteriorRing();e++){var n=t.getInteriorRingN(e);this.addPolygonRing(n,L.INTERIOR,L.EXTERIOR)}},addEdge:function(t){this.insertEdge(t);var e=t.getCoordinates();this.insertPoint(this.argIndex,e[0],L.BOUNDARY),this.insertPoint(this.argIndex,e[e.length-1],L.BOUNDARY)},addLineString:function(t){var e=H.removeRepeatedPoints(t.getCoordinates());if(e.length<2)return this._hasTooFewPoints=!0,this.invalidPoint=e[0],null;var n=new Jn(e,new gn(this.argIndex,L.INTERIOR));this.lineEdgeMap.put(t,n),this.insertEdge(n),f.isTrue(e.length>=2,"found LineString with single point"),this.insertBoundaryPoint(this.argIndex,e[0]),this.insertBoundaryPoint(this.argIndex,e[e.length-1])},getInvalidPoint:function(){return this.invalidPoint},getBoundaryPoints:function(){for(var t=this.getBoundaryNodes(),e=new Array(t.size()).fill(null),n=0,i=t.iterator();i.hasNext();){var r=i.next();e[n++]=r.getCoordinate().copy()}return e},getBoundaryNodes:function(){return null===this.boundaryNodes&&(this.boundaryNodes=this.nodes.getBoundaryNodes(this.argIndex)),this.boundaryNodes},addSelfIntersectionNode:function(t,e,n){return this.isBoundaryNode(t,e)?null:void(n===L.BOUNDARY&&this.useBoundaryDeterminationRule?this.insertBoundaryPoint(t,e):this.insertPoint(t,e,n))},addPolygonRing:function(t,e,n){if(t.isEmpty())return null;var i=H.removeRepeatedPoints(t.getCoordinates());if(i.length<4)return this._hasTooFewPoints=!0,this.invalidPoint=i[0],null;var r=e,s=n;he.isCCW(i)&&(r=n,s=e);var o=new Jn(i,new gn(this.argIndex,L.BOUNDARY,r,s));this.lineEdgeMap.put(t,o),this.insertEdge(o),this.insertPoint(this.argIndex,i[0],L.BOUNDARY)},insertPoint:function(t,e,n){var i=this.nodes.addNode(e),r=i.getLabel();null===r?i.label=new gn(t,n):r.setLocation(t,n)},createEdgeSetIntersector:function(){return new Fn},addSelfIntersectionNodes:function(t){for(var e=this.edges.iterator();e.hasNext();)for(var n=e.next(),i=n.getLabel().getLocation(t),r=n.eiList.iterator();r.hasNext();){var s=r.next();this.addSelfIntersectionNode(t,s.coord,i)}},add:function(){if(1!==arguments.length)return Cn.prototype.add.apply(this,arguments);var t=arguments[0];if(t.isEmpty())return null;if(t instanceof Ot&&(this.useBoundaryDeterminationRule=!1),t instanceof Tt)this.addPolygon(t);else if(t instanceof St)this.addLineString(t);else if(t instanceof Lt)this.addPoint(t);else if(t instanceof Pt)this.addCollection(t);else if(t instanceof gt)this.addCollection(t);else if(t instanceof Ot)this.addCollection(t);else{if(!(t instanceof ft))throw new UnsupportedOperationException(t.getClass().getName());this.addCollection(t)}},addCollection:function(t){for(var e=0;e<t.getNumGeometries();e++){var n=t.getGeometryN(e);this.add(n)}},locate:function(t){return R(this.parentGeom,Rt)&&this.parentGeom.getNumGeometries()>50?(null===this.areaPtLocator&&(this.areaPtLocator=new Un(this.parentGeom)),this.areaPtLocator.locate(t)):this.ptLocator.locate(t,this.parentGeom)},findEdge:function(){if(1===arguments.length){var t=arguments[0];return this.lineEdgeMap.get(t)}return Cn.prototype.findEdge.apply(this,arguments)},interfaces_:function(){return[]},getClass:function(){return $n}}),$n.determineBoundary=function(t,e){return t.isInBoundary(e)?L.BOUNDARY:L.INTERIOR},e(ti.prototype,{getArgGeometry:function(t){return this.arg[t].getGeometry()},setComputationPrecision:function(t){this.resultPrecisionModel=t,this.li.setPrecisionModel(this.resultPrecisionModel)},interfaces_:function(){return[]},getClass:function(){return ti}}),e(ei.prototype,{compareTo:function(t){var e=t,n=ei.compareOriented(this.pts,this._orientation,e.pts,e._orientation);return n},interfaces_:function(){return[s]},getClass:function(){return ei}}),ei.orientation=function(t){return 1===H.increasingDirection(t)},ei.compareOriented=function(t,e,n,i){for(var r=e?1:-1,s=i?1:-1,o=e?t.length:-1,a=i?n.length:-1,u=e?0:t.length-1,l=i?0:n.length-1;;){var h=t[u].compareTo(n[l]);if(0!==h)return h;u+=r,l+=s;var c=u===o,f=l===a;if(c&&!f)return-1;if(!c&&f)return 1;if(c&&f)return 0}},e(ni.prototype,{print:function(t){t.print("MULTILINESTRING ( ");for(var e=0;e<this.edges.size();e++){var n=this.edges.get(e);e>0&&t.print(","),t.print("(");for(var i=n.getCoordinates(),r=0;r<i.length;r++)r>0&&t.print(","),t.print(i[r].x+" "+i[r].y);t.println(")")}t.print(")  ")},addAll:function(t){for(var e=t.iterator();e.hasNext();)this.add(e.next())},findEdgeIndex:function(t){for(var e=0;e<this.edges.size();e++)if(this.edges.get(e).equals(t))return e;return-1},iterator:function(){return this.edges.iterator()},getEdges:function(){return this.edges},get:function(t){return this.edges.get(t)},findEqualEdge:function(t){var e=new ei(t.getCoordinates()),n=this.ocaMap.get(e);return n},add:function(t){this.edges.add(t);var e=new ei(t.getCoordinates());this.ocaMap.put(e,t)},interfaces_:function(){return[]},getClass:function(){return ni}}),h(ii,ti),e(ii.prototype,{insertUniqueEdge:function(t){var e=this.edgeList.findEqualEdge(t);if(null!==e){var n=e.getLabel(),i=t.getLabel();e.isPointwiseEqual(t)||(i=new gn(t.getLabel()),i.flip());var r=e.getDepth();r.isNull()&&r.add(n),r.add(i),n.merge(i)}else this.edgeList.add(t)},getGraph:function(){return this.graph},cancelDuplicateResultEdges:function(){for(var t=this.graph.getEdgeEnds().iterator();t.hasNext();){var e=t.next(),n=e.getSym();e.isInResult()&&n.isInResult()&&(e.setInResult(!1),n.setInResult(!1))}},isCoveredByLA:function(t){return!!this.isCovered(t,this.resultLineList)||!!this.isCovered(t,this.resultPolyList)},computeGeometry:function(t,e,n,i){var r=new I;return r.addAll(t),r.addAll(e),r.addAll(n),r.isEmpty()?ii.createEmptyResult(i,this.arg[0].getGeometry(),this.arg[1].getGeometry(),this.geomFact):this.geomFact.buildGeometry(r)},mergeSymLabels:function(){for(var t=this.graph.getNodes().iterator();t.hasNext();){var e=t.next();e.getEdges().mergeSymLabels()}},isCovered:function(t,e){for(var n=e.iterator();n.hasNext();){var i=n.next(),r=this.ptLocator.locate(t,i);if(r!==L.EXTERIOR)return!0}return!1},replaceCollapsedEdges:function(){for(var t=new I,e=this.edgeList.iterator();e.hasNext();){var n=e.next();n.isCollapsed()&&(e.remove(),t.add(n.getCollapsedEdge()))}this.edgeList.addAll(t)},updateNodeLabelling:function(){for(var t=this.graph.getNodes().iterator();t.hasNext();){var e=t.next(),n=e.getEdges().getLabel();e.getLabel().merge(n)}},getResultGeometry:function(t){return this.computeOverlay(t),this.resultGeom},insertUniqueEdges:function(t){for(var e=t.iterator();e.hasNext();){var n=e.next();this.insertUniqueEdge(n)}},computeOverlay:function(t){this.copyPoints(0),this.copyPoints(1),this.arg[0].computeSelfNodes(this.li,!1),this.arg[1].computeSelfNodes(this.li,!1),this.arg[0].computeEdgeIntersections(this.arg[1],this.li,!0);var e=new I;this.arg[0].computeSplitEdges(e),this.arg[1].computeSplitEdges(e);this.insertUniqueEdges(e),this.computeLabelsFromDepths(),this.replaceCollapsedEdges(),
ln.checkValid(this.edgeList.getEdges()),this.graph.addEdges(this.edgeList.getEdges()),this.computeLabelling(),this.labelIncompleteNodes(),this.findResultAreaEdges(t),this.cancelDuplicateResultEdges();var n=new Sn(this.geomFact);n.add(this.graph),this.resultPolyList=n.getPolygons();var i=new wn(this,this.geomFact,this.ptLocator);this.resultLineList=i.build(t);var r=new Ln(this,this.geomFact,this.ptLocator);this.resultPointList=r.build(t),this.resultGeom=this.computeGeometry(this.resultPointList,this.resultLineList,this.resultPolyList,t)},labelIncompleteNode:function(t,e){var n=this.ptLocator.locate(t.getCoordinate(),this.arg[e].getGeometry());t.getLabel().setLocation(e,n)},copyPoints:function(t){for(var e=this.arg[t].getNodeIterator();e.hasNext();){var n=e.next(),i=this.graph.addNode(n.getCoordinate());i.setLabel(t,n.getLabel().getLocation(t))}},findResultAreaEdges:function(t){for(var e=this.graph.getEdgeEnds().iterator();e.hasNext();){var n=e.next(),i=n.getLabel();i.isArea()&&!n.isInteriorAreaEdge()&&ii.isResultOfOp(i.getLocation(0,cn.RIGHT),i.getLocation(1,cn.RIGHT),t)&&n.setInResult(!0)}},computeLabelsFromDepths:function(){for(var t=this.edgeList.iterator();t.hasNext();){var e=t.next(),n=e.getLabel(),i=e.getDepth();if(!i.isNull()){i.normalize();for(var r=0;r<2;r++)n.isNull(r)||!n.isArea()||i.isNull(r)||(0===i.getDelta(r)?n.toLine(r):(f.isTrue(!i.isNull(r,cn.LEFT),"depth of LEFT side has not been initialized"),n.setLocation(r,cn.LEFT,i.getLocation(r,cn.LEFT)),f.isTrue(!i.isNull(r,cn.RIGHT),"depth of RIGHT side has not been initialized"),n.setLocation(r,cn.RIGHT,i.getLocation(r,cn.RIGHT))))}}},computeLabelling:function(){for(var t=this.graph.getNodes().iterator();t.hasNext();){var e=t.next();e.getEdges().computeLabelling(this.arg)}this.mergeSymLabels(),this.updateNodeLabelling()},labelIncompleteNodes:function(){for(var t=0,e=this.graph.getNodes().iterator();e.hasNext();){var n=e.next(),i=n.getLabel();n.isIsolated()&&(t++,i.isNull(0)?this.labelIncompleteNode(n,0):this.labelIncompleteNode(n,1)),n.getEdges().updateLabelling(i)}},isCoveredByA:function(t){return!!this.isCovered(t,this.resultPolyList)},interfaces_:function(){return[]},getClass:function(){return ii}}),ii.overlayOp=function(t,e,n){var i=new ii(t,e),r=i.getResultGeometry(n);return r},ii.intersection=function(t,e){if(t.isEmpty()||e.isEmpty())return ii.createEmptyResult(ii.INTERSECTION,t,e,t.getFactory());if(t.isGeometryCollection()){var n=e;return hn.map(t,{interfaces_:function(){return[MapOp]},map:function(t){return t.intersection(n)}})}return t.checkNotGeometryCollection(t),t.checkNotGeometryCollection(e),si.overlayOp(t,e,ii.INTERSECTION)},ii.symDifference=function(t,e){if(t.isEmpty()||e.isEmpty()){if(t.isEmpty()&&e.isEmpty())return ii.createEmptyResult(ii.SYMDIFFERENCE,t,e,t.getFactory());if(t.isEmpty())return e.copy();if(e.isEmpty())return t.copy()}return t.checkNotGeometryCollection(t),t.checkNotGeometryCollection(e),si.overlayOp(t,e,ii.SYMDIFFERENCE)},ii.resultDimension=function(t,e,n){var i=e.getDimension(),r=n.getDimension(),s=-1;switch(t){case ii.INTERSECTION:s=Math.min(i,r);break;case ii.UNION:s=Math.max(i,r);break;case ii.DIFFERENCE:s=i;break;case ii.SYMDIFFERENCE:s=Math.max(i,r)}return s},ii.createEmptyResult=function(t,e,n,i){var r=null;switch(ii.resultDimension(t,e,n)){case-1:r=i.createGeometryCollection(new Array(0).fill(null));break;case 0:r=i.createPoint();break;case 1:r=i.createLineString();break;case 2:r=i.createPolygon()}return r},ii.difference=function(t,e){return t.isEmpty()?ii.createEmptyResult(ii.DIFFERENCE,t,e,t.getFactory()):e.isEmpty()?t.copy():(t.checkNotGeometryCollection(t),t.checkNotGeometryCollection(e),si.overlayOp(t,e,ii.DIFFERENCE))},ii.isResultOfOp=function(){if(2===arguments.length){var t=arguments[0],e=arguments[1],n=t.getLocation(0),i=t.getLocation(1);return ii.isResultOfOp(n,i,e)}if(3===arguments.length){var r=arguments[0],s=arguments[1],o=arguments[2];switch(r===L.BOUNDARY&&(r=L.INTERIOR),s===L.BOUNDARY&&(s=L.INTERIOR),o){case ii.INTERSECTION:return r===L.INTERIOR&&s===L.INTERIOR;case ii.UNION:return r===L.INTERIOR||s===L.INTERIOR;case ii.DIFFERENCE:return r===L.INTERIOR&&s!==L.INTERIOR;case ii.SYMDIFFERENCE:return r===L.INTERIOR&&s!==L.INTERIOR||r!==L.INTERIOR&&s===L.INTERIOR}return!1}},ii.INTERSECTION=1,ii.UNION=2,ii.DIFFERENCE=3,ii.SYMDIFFERENCE=4,e(ri.prototype,{selfSnap:function(t){var e=new Ie(t),n=e.snapTo(t,this.snapTolerance);return n},removeCommonBits:function(t){this.cbr=new Se,this.cbr.add(t[0]),this.cbr.add(t[1]);var e=new Array(2).fill(null);return e[0]=this.cbr.removeCommonBits(t[0].copy()),e[1]=this.cbr.removeCommonBits(t[1].copy()),e},prepareResult:function(t){return this.cbr.addCommonBits(t),t},getResultGeometry:function(t){var e=this.snap(this.geom),n=ii.overlayOp(e[0],e[1],t);return this.prepareResult(n)},checkValid:function(t){t.isValid()||A.out.println("Snapped geometry is invalid")},computeSnapTolerance:function(){this.snapTolerance=Ie.computeOverlaySnapTolerance(this.geom[0],this.geom[1])},snap:function(t){var e=this.removeCommonBits(t),n=Ie.snap(e[0],e[1],this.snapTolerance);return n},interfaces_:function(){return[]},getClass:function(){return ri}}),ri.overlayOp=function(t,e,n){var i=new ri(t,e);return i.getResultGeometry(n)},ri.union=function(t,e){return ri.overlayOp(t,e,ii.UNION)},ri.intersection=function(t,e){return ri.overlayOp(t,e,ii.INTERSECTION)},ri.symDifference=function(t,e){return ri.overlayOp(t,e,ii.SYMDIFFERENCE)},ri.difference=function(t,e){return ri.overlayOp(t,e,ii.DIFFERENCE)},e(si.prototype,{getResultGeometry:function(t){var e=null,n=!1,i=null;try{e=ii.overlayOp(this.geom[0],this.geom[1],t);var r=!0;r&&(n=!0)}catch(t){if(!(t instanceof l))throw t;i=t}finally{}if(!n)try{e=ri.overlayOp(this.geom[0],this.geom[1],t)}catch(t){throw t instanceof l?i:t}finally{}return e},interfaces_:function(){return[]},getClass:function(){return si}}),si.overlayOp=function(t,e,n){var i=new si(t,e);return i.getResultGeometry(n)},si.union=function(t,e){return si.overlayOp(t,e,ii.UNION)},si.intersection=function(t,e){return si.overlayOp(t,e,ii.INTERSECTION)},si.symDifference=function(t,e){return si.overlayOp(t,e,ii.SYMDIFFERENCE)},si.difference=function(t,e){return si.overlayOp(t,e,ii.DIFFERENCE)},e(oi.prototype,{addPolygon:function(t){if(t.isEmpty())return null;var e=null,n=0,i=this.horizontalBisector(t);if(0===i.getLength())n=0,e=i.getCoordinate();else{var r=si.overlayOp(i,t,ii.INTERSECTION),s=this.widestGeometry(r);n=s.getEnvelopeInternal().getWidth(),e=oi.centre(s.getEnvelopeInternal())}(null===this.interiorPoint||n>this.maxWidth)&&(this.interiorPoint=e,this.maxWidth=n)},getInteriorPoint:function(){return this.interiorPoint},widestGeometry:function t(){if(arguments[0]instanceof ft){var e=arguments[0];if(e.isEmpty())return e;for(var t=e.getGeometryN(0),n=1;n<e.getNumGeometries();n++)e.getGeometryN(n).getEnvelopeInternal().getWidth()>t.getEnvelopeInternal().getWidth()&&(t=e.getGeometryN(n));return t}if(arguments[0]instanceof B){var i=arguments[0];return i instanceof ft?this.widestGeometry(i):i}},horizontalBisector:function(t){var e=t.getEnvelopeInternal(),n=ai.getBisectorY(t);return this.factory.createLineString([new g(e.getMinX(),n),new g(e.getMaxX(),n)])},add:function(t){if(t instanceof Tt)this.addPolygon(t);else if(t instanceof ft)for(var e=t,n=0;n<e.getNumGeometries();n++)this.add(e.getGeometryN(n))},interfaces_:function(){return[]},getClass:function(){return oi}}),oi.centre=function(t){return new g(oi.avg(t.getMinX(),t.getMaxX()),oi.avg(t.getMinY(),t.getMaxY()))},oi.avg=function(t,e){return(t+e)/2},e(ai.prototype,{updateInterval:function(t){t<=this.centreY?t>this.loY&&(this.loY=t):t>this.centreY&&t<this.hiY&&(this.hiY=t)},getBisectorY:function(){this.process(this.poly.getExteriorRing());for(var t=0;t<this.poly.getNumInteriorRing();t++)this.process(this.poly.getInteriorRingN(t));var e=oi.avg(this.hiY,this.loY);return e},process:function(t){for(var e=t.getCoordinateSequence(),n=0;n<e.size();n++){var i=e.getY(n);this.updateInterval(i)}},interfaces_:function(){return[]},getClass:function(){return ai}}),ai.getBisectorY=function(t){var e=new ai(t);return e.getBisectorY()},oi.SafeBisectorFinder=ai,e(ui.prototype,{addEndpoints:function(){if(arguments[0]instanceof B){var t=arguments[0];if(t instanceof St)this.addEndpoints(t.getCoordinates());else if(t instanceof ft)for(var e=t,n=0;n<e.getNumGeometries();n++)this.addEndpoints(e.getGeometryN(n))}else if(arguments[0]instanceof Array){var i=arguments[0];this.add(i[0]),this.add(i[i.length-1])}},getInteriorPoint:function(){return this.interiorPoint},addInterior:function(){if(arguments[0]instanceof B){var t=arguments[0];if(t instanceof St)this.addInterior(t.getCoordinates());else if(t instanceof ft)for(var e=t,n=0;n<e.getNumGeometries();n++)this.addInterior(e.getGeometryN(n))}else if(arguments[0]instanceof Array)for(var i=arguments[0],n=1;n<i.length-1;n++)this.add(i[n])},add:function(t){var e=t.distance(this.centroid);e<this.minDistance&&(this.interiorPoint=new g(t),this.minDistance=e)},interfaces_:function(){return[]},getClass:function(){return ui}}),e(li.prototype,{getInteriorPoint:function(){return this.interiorPoint},add:function(){if(arguments[0]instanceof B){var t=arguments[0];if(t instanceof Lt)this.add(t.getCoordinate());else if(t instanceof ft)for(var e=t,n=0;n<e.getNumGeometries();n++)this.add(e.getGeometryN(n))}else if(arguments[0]instanceof g){var i=arguments[0],r=i.distance(this.centroid);r<this.minDistance&&(this.interiorPoint=new g(i),this.minDistance=r)}},interfaces_:function(){return[]},getClass:function(){return li}}),e(hi.prototype,{select:function(){if(1===arguments.length){arguments[0]}else if(2===arguments.length){var t=arguments[0],e=arguments[1];t.getLineSegment(e,this.selectedSegment),this.select(this.selectedSegment)}},interfaces_:function(){return[]},getClass:function(){return hi}}),e(ci.prototype,{hasChildren:function(){for(var t=0;t<2;t++)if(null!==this.subnode[t])return!0;return!1},isPrunable:function(){return!(this.hasChildren()||this.hasItems())},addAllItems:function(t){t.addAll(this.items);for(var e=0;e<2;e++)null!==this.subnode[e]&&this.subnode[e].addAllItems(t);return t},size:function(){for(var t=0,e=0;e<2;e++)null!==this.subnode[e]&&(t+=this.subnode[e].size());return t+this.items.size()},addAllItemsFromOverlapping:function(t,e){return null===t||this.isSearchMatch(t)?(e.addAll(this.items),null!==this.subnode[0]&&this.subnode[0].addAllItemsFromOverlapping(t,e),void(null!==this.subnode[1]&&this.subnode[1].addAllItemsFromOverlapping(t,e))):null},hasItems:function(){return!this.items.isEmpty()},remove:function(t,e){if(!this.isSearchMatch(t))return!1;for(var n=!1,i=0;i<2;i++)if(null!==this.subnode[i]&&(n=this.subnode[i].remove(t,e))){this.subnode[i].isPrunable()&&(this.subnode[i]=null);break}return n?n:n=this.items.remove(e)},getItems:function(){return this.items},depth:function(){for(var t=0,e=0;e<2;e++)if(null!==this.subnode[e]){var n=this.subnode[e].depth();n>t&&(t=n)}return t+1},nodeSize:function(){for(var t=0,e=0;e<2;e++)null!==this.subnode[e]&&(t+=this.subnode[e].nodeSize());return t+1},add:function(t){this.items.add(t)},interfaces_:function(){return[]},getClass:function(){return ci}}),ci.getSubnodeIndex=function(t,e){var n=-1;return t.min>=e&&(n=1),t.max<=e&&(n=0),n},e(fi.prototype,{expandToInclude:function(t){t.max>this.max&&(this.max=t.max),t.min<this.min&&(this.min=t.min)},getWidth:function(){return this.max-this.min},overlaps:function(){if(1===arguments.length){var t=arguments[0];return this.overlaps(t.min,t.max)}if(2===arguments.length){var e=arguments[0],n=arguments[1];return!(this.min>n||this.max<e)}},getMin:function(){return this.min},toString:function(){return"["+this.min+", "+this.max+"]"},contains:function(){if(1===arguments.length){if(arguments[0]instanceof fi){var t=arguments[0];return this.contains(t.min,t.max)}if("number"==typeof arguments[0]){var e=arguments[0];return e>=this.min&&e<=this.max}}else if(2===arguments.length){var n=arguments[0],i=arguments[1];return n>=this.min&&i<=this.max}},init:function(t,e){this.min=t,this.max=e,t>e&&(this.min=e,this.max=t)},getMax:function(){return this.max},interfaces_:function(){return[]},getClass:function(){return fi}}),gi.exponent=function(t){return di(64,t)-1023},gi.powerOf2=function(t){return Math.pow(2,t)},e(pi.prototype,{getInterval:function(){return this.interval},getLevel:function(){return this.level},computeKey:function(t){for(this.level=pi.computeLevel(t),this.interval=new fi,this.computeInterval(this.level,t);!this.interval.contains(t);)this.level+=1,this.computeInterval(this.level,t)},computeInterval:function(t,e){var n=gi.powerOf2(t);this.pt=Math.floor(e.getMin()/n)*n,this.interval.init(this.pt,this.pt+n)},getPoint:function(){return this.pt},interfaces_:function(){return[]},getClass:function(){return pi}}),pi.computeLevel=function(t){var e=t.getWidth(),n=gi.exponent(e)+1;return n},h(vi,ci),e(vi.prototype,{getInterval:function(){return this.interval},find:function(t){var e=ci.getSubnodeIndex(t,this.centre);if(e===-1)return this;if(null!==this.subnode[e]){var n=this.subnode[e];return n.find(t)}return this},insert:function(t){f.isTrue(null===this.interval||this.interval.contains(t.interval));var e=ci.getSubnodeIndex(t.interval,this.centre);if(t.level===this.level-1)this.subnode[e]=t;else{var n=this.createSubnode(e);n.insert(t),this.subnode[e]=n}},isSearchMatch:function(t){return t.overlaps(this.interval)},getSubnode:function(t){return null===this.subnode[t]&&(this.subnode[t]=this.createSubnode(t)),this.subnode[t]},getNode:function(t){var e=ci.getSubnodeIndex(t,this.centre);if(e!==-1){var n=this.getSubnode(e);return n.getNode(t)}return this},createSubnode:function(t){var e=0,n=0;switch(t){case 0:e=this.interval.getMin(),n=this.centre;break;case 1:e=this.centre,n=this.interval.getMax()}var i=new fi(e,n),r=new vi(i,this.level-1);return r},interfaces_:function(){return[]},getClass:function(){return vi}}),vi.createNode=function(t){var e=new pi(t),n=new vi(e.getInterval(),e.getLevel());return n},vi.createExpanded=function(t,e){var n=new fi(e);null!==t&&n.expandToInclude(t.interval);var i=vi.createNode(n);return null!==t&&i.insert(t),i},e(mi.prototype,{interfaces_:function(){return[]},getClass:function(){return mi}});mi.isZeroWidth=function(t,e){var n=e-t;if(0===n)return!0;var i=Math.max(Math.abs(t),Math.abs(e)),r=n/i,s=gi.exponent(r);return s<=mi.MIN_BINARY_EXPONENT};mi.MIN_BINARY_EXPONENT=-50,h(yi,ci),e(yi.prototype,{insert:function(t,e){var n=ci.getSubnodeIndex(t,yi.origin);if(n===-1)return this.add(e),null;var i=this.subnode[n];if(null===i||!i.getInterval().contains(t)){var r=vi.createExpanded(i,t);this.subnode[n]=r}this.insertContained(this.subnode[n],t,e)},isSearchMatch:function(t){return!0},insertContained:function(t,e,n){f.isTrue(t.getInterval().contains(e));var i=mi.isZeroWidth(e.getMin(),e.getMax()),r=null;r=i?t.find(e):t.getNode(e),r.add(n)},interfaces_:function(){return[]},getClass:function(){return yi}}),yi.origin=0,e(xi.prototype,{size:function(){return null!==this.root?this.root.size():0},insert:function(t,e){this.collectStats(t);var n=xi.ensureExtent(t,this.minExtent);this.root.insert(n,e)},query:function(){if(1===arguments.length){if("number"==typeof arguments[0]){var t=arguments[0];return this.query(new fi(t,t))}if(arguments[0]instanceof fi){var e=arguments[0],n=new I;return this.query(e,n),n}}else if(2===arguments.length){var i=arguments[0],r=arguments[1];this.root.addAllItemsFromOverlapping(i,r)}},iterator:function(){var t=new I;return this.root.addAllItems(t),t.iterator()},remove:function(t,e){var n=xi.ensureExtent(t,this.minExtent);return this.root.remove(n,e)},collectStats:function(t){var e=t.getWidth();e<this.minExtent&&e>0&&(this.minExtent=e)},depth:function(){return null!==this.root?this.root.depth():0},nodeSize:function(){return null!==this.root?this.root.nodeSize():0},interfaces_:function(){return[]},getClass:function(){return xi}}),xi.ensureExtent=function(t,e){var n=t.getMin(),i=t.getMax();return n!==i?t:(n===i&&(n-=e/2,i=n+e/2),new fi(n,i))},e(Ei.prototype,{isInside:function(t){},interfaces_:function(){return[]},getClass:function(){return Ei}}),e(Ii.prototype,{testLineSegment:function(t,e){var n=null,i=null,r=null,s=null,o=null,a=e.p0,u=e.p1;i=a.x-t.x,r=a.y-t.y,s=u.x-t.x,o=u.y-t.y,(r>0&&o<=0||o>0&&r<=0)&&(n=ue.signOfDet2x2(i,r,s,o)/(o-r),0<n&&this.crossings++)},buildIndex:function(){this.tree=new xi;for(var t=H.removeRepeatedPoints(this.ring.getCoordinates()),e=$e.getChains(t),n=0;n<e.size();n++){var i=e.get(n),r=i.getEnvelope();this.interval.min=r.getMinY(),this.interval.max=r.getMaxY(),this.tree.insert(this.interval,i)}},testMonotoneChain:function(t,e,n){n.select(t,e)},isInside:function(t){this.crossings=0;var e=new C(r.NEGATIVE_INFINITY,r.POSITIVE_INFINITY,t.y,t.y);this.interval.min=t.y,this.interval.max=t.y;for(var n=this.tree.query(this.interval),i=new Ni(this,t),s=n.iterator();s.hasNext();){var o=s.next();this.testMonotoneChain(e,i,o)}return this.crossings%2===1},interfaces_:function(){return[Ei]},getClass:function(){return Ii}}),h(Ni,hi),e(Ni.prototype,{select:function(){if(1!==arguments.length)return hi.prototype.select.apply(this,arguments);var t=arguments[0];this.mcp.testLineSegment(this.p,t)},interfaces_:function(){return[]},getClass:function(){return Ni}}),Ii.MCSelecter=Ni,e(Ci.prototype,{interfaces_:function(){return[]},getClass:function(){return Ci}}),Ci.toDegrees=function(t){return 180*t/Math.PI},Ci.normalize=function(t){for(;t>Math.PI;)t-=Ci.PI_TIMES_2;for(;t<=-Math.PI;)t+=Ci.PI_TIMES_2;return t},Ci.angle=function(){if(1===arguments.length){var t=arguments[0];return Math.atan2(t.y,t.x)}if(2===arguments.length){var e=arguments[0],n=arguments[1],i=n.x-e.x,r=n.y-e.y;return Math.atan2(r,i)}},Ci.isAcute=function(t,e,n){var i=t.x-e.x,r=t.y-e.y,s=n.x-e.x,o=n.y-e.y,a=i*s+r*o;return a>0},Ci.isObtuse=function(t,e,n){var i=t.x-e.x,r=t.y-e.y,s=n.x-e.x,o=n.y-e.y,a=i*s+r*o;return a<0},Ci.interiorAngle=function(t,e,n){var i=Ci.angle(e,t),r=Ci.angle(e,n);return Math.abs(r-i)},Ci.normalizePositive=function(t){if(t<0){for(;t<0;)t+=Ci.PI_TIMES_2;t>=Ci.PI_TIMES_2&&(t=0)}else{for(;t>=Ci.PI_TIMES_2;)t-=Ci.PI_TIMES_2;t<0&&(t=0)}return t},Ci.angleBetween=function(t,e,n){var i=Ci.angle(e,t),r=Ci.angle(e,n);return Ci.diff(i,r)},Ci.diff=function(t,e){var n=null;return n=t<e?e-t:t-e,n>Math.PI&&(n=2*Math.PI-n),n},Ci.toRadians=function(t){return t*Math.PI/180},Ci.getTurn=function(t,e){var n=Math.sin(e-t);return n>0?Ci.COUNTERCLOCKWISE:n<0?Ci.CLOCKWISE:Ci.NONE},Ci.angleBetweenOriented=function(t,e,n){var i=Ci.angle(e,t),r=Ci.angle(e,n),s=r-i;return s<=-Math.PI?s+Ci.PI_TIMES_2:s>Math.PI?s-Ci.PI_TIMES_2:s},Ci.PI_TIMES_2=2*Math.PI,Ci.PI_OVER_2=Math.PI/2,Ci.PI_OVER_4=Math.PI/4,Ci.COUNTERCLOCKWISE=he.COUNTERCLOCKWISE,Ci.CLOCKWISE=he.CLOCKWISE,Ci.NONE=he.COLLINEAR,e(Si.prototype,{area:function(){return Si.area(this.p0,this.p1,this.p2)},signedArea:function(){return Si.signedArea(this.p0,this.p1,this.p2)},interpolateZ:function(t){if(null===t)throw new i("Supplied point is null.");return Si.interpolateZ(t,this.p0,this.p1,this.p2)},longestSideLength:function(){return Si.longestSideLength(this.p0,this.p1,this.p2)},isAcute:function(){return Si.isAcute(this.p0,this.p1,this.p2)},circumcentre:function(){return Si.circumcentre(this.p0,this.p1,this.p2)},area3D:function(){return Si.area3D(this.p0,this.p1,this.p2)},centroid:function(){return Si.centroid(this.p0,this.p1,this.p2)},inCentre:function(){return Si.inCentre(this.p0,this.p1,this.p2)},interfaces_:function(){return[]},getClass:function(){return Si}}),Si.area=function(t,e,n){return Math.abs(((n.x-t.x)*(e.y-t.y)-(e.x-t.x)*(n.y-t.y))/2)},Si.signedArea=function(t,e,n){return((n.x-t.x)*(e.y-t.y)-(e.x-t.x)*(n.y-t.y))/2},Si.det=function(t,e,n,i){return t*i-e*n},Si.interpolateZ=function(t,e,n,i){var r=e.x,s=e.y,o=n.x-r,a=i.x-r,u=n.y-s,l=i.y-s,h=o*l-a*u,c=t.x-r,f=t.y-s,g=(l*c-a*f)/h,d=(-u*c+o*f)/h,p=e.z+g*(n.z-e.z)+d*(i.z-e.z);return p},Si.longestSideLength=function(t,e,n){var i=t.distance(e),r=e.distance(n),s=n.distance(t),o=i;return r>o&&(o=r),s>o&&(o=s),o},Si.isAcute=function(t,e,n){return!!Ci.isAcute(t,e,n)&&(!!Ci.isAcute(e,n,t)&&!!Ci.isAcute(n,t,e))},Si.circumcentre=function(t,e,n){var i=n.x,r=n.y,s=t.x-i,o=t.y-r,a=e.x-i,u=e.y-r,l=2*Si.det(s,o,a,u),h=Si.det(o,s*s+o*o,u,a*a+u*u),c=Si.det(s,s*s+o*o,a,a*a+u*u),f=i-h/l,d=r+c/l;return new g(f,d)},Si.perpendicularBisector=function(t,e){var n=e.x-t.x,i=e.y-t.y,r=new F(t.x+n/2,t.y+i/2,1),s=new F(t.x-i+n/2,t.y+n+i/2,1);return new F(r,s)},Si.angleBisector=function(t,e,n){var i=e.distance(t),r=e.distance(n),s=i/(i+r),o=n.x-t.x,a=n.y-t.y,u=new g(t.x+s*o,t.y+s*a);return u},Si.area3D=function(t,e,n){var i=e.x-t.x,r=e.y-t.y,s=e.z-t.z,o=n.x-t.x,a=n.y-t.y,u=n.z-t.z,l=r*u-s*a,h=s*o-i*u,c=i*a-r*o,f=l*l+h*h+c*c,g=Math.sqrt(f)/2;return g},Si.centroid=function(t,e,n){var i=(t.x+e.x+n.x)/3,r=(t.y+e.y+n.y)/3;return new g(i,r)},Si.inCentre=function(t,e,n){var i=e.distance(n),r=t.distance(n),s=t.distance(e),o=i+r+s,a=(i*t.x+r*e.x+s*n.x)/o,u=(i*t.y+r*e.y+s*n.y)/o;return new g(a,u)},e(wi.prototype,{getRadius:function(){return this.compute(),this.radius},getDiameter:function(){switch(this.compute(),this.extremalPts.length){case 0:return this.input.getFactory().createLineString();case 1:return this.input.getFactory().createPoint(this.centre)}var t=this.extremalPts[0],e=this.extremalPts[1];return this.input.getFactory().createLineString([t,e])},getExtremalPoints:function(){return this.compute(),this.extremalPts},computeCirclePoints:function(){if(this.input.isEmpty())return this.extremalPts=new Array(0).fill(null),null;if(1===this.input.getNumPoints()){var t=this.input.getCoordinates();return this.extremalPts=[new g(t[0])],null}var e=this.input.convexHull(),n=e.getCoordinates(),t=n;if(n[0].equals2D(n[n.length-1])&&(t=new Array(n.length-1).fill(null),H.copyDeep(n,0,t,0,n.length-1)),t.length<=2)return this.extremalPts=H.copyDeep(t),null;for(var i=wi.lowestPoint(t),r=wi.pointWitMinAngleWithX(t,i),s=0;s<t.length;s++){var o=wi.pointWithMinAngleWithSegment(t,i,r);if(Ci.isObtuse(i,o,r))return this.extremalPts=[new g(i),new g(r)],null;if(Ci.isObtuse(o,i,r))i=o;else{if(!Ci.isObtuse(o,r,i))return this.extremalPts=[new g(i),new g(r),new g(o)],null;r=o}}f.shouldNeverReachHere("Logic failure in Minimum Bounding Circle algorithm!")},compute:function(){return null!==this.extremalPts?null:(this.computeCirclePoints(),this.computeCentre(),void(null!==this.centre&&(this.radius=this.centre.distance(this.extremalPts[0]))))},getFarthestPoints:function(){switch(this.compute(),this.extremalPts.length){case 0:return this.input.getFactory().createLineString();case 1:return this.input.getFactory().createPoint(this.centre)}var t=this.extremalPts[0],e=this.extremalPts[this.extremalPts.length-1];return this.input.getFactory().createLineString([t,e])},getCircle:function(){if(this.compute(),null===this.centre)return this.input.getFactory().createPolygon();var t=this.input.getFactory().createPoint(this.centre);return 0===this.radius?t:t.buffer(this.radius)},getCentre:function(){return this.compute(),this.centre},computeCentre:function(){switch(this.extremalPts.length){case 0:this.centre=null;break;case 1:this.centre=this.extremalPts[0];break;case 2:this.centre=new g((this.extremalPts[0].x+this.extremalPts[1].x)/2,(this.extremalPts[0].y+this.extremalPts[1].y)/2);break;case 3:this.centre=Si.circumcentre(this.extremalPts[0],this.extremalPts[1],this.extremalPts[2])}},interfaces_:function(){return[]},getClass:function(){return wi}}),wi.pointWitMinAngleWithX=function(t,e){for(var n=r.MAX_VALUE,i=null,s=0;s<t.length;s++){var o=t[s];if(o!==e){var a=o.x-e.x,u=o.y-e.y;u<0&&(u=-u);var l=Math.sqrt(a*a+u*u),h=u/l;h<n&&(n=h,i=o)}}return i},wi.lowestPoint=function(t){for(var e=t[0],n=1;n<t.length;n++)t[n].y<e.y&&(e=t[n]);return e},wi.pointWithMinAngleWithSegment=function(t,e,n){for(var i=r.MAX_VALUE,s=null,o=0;o<t.length;o++){var a=t[o];if(a!==e&&a!==n){var u=Ci.angleBetween(e,a,n);u<i&&(i=u,s=a)}}return s},e(Li.prototype,{getWidthCoordinate:function(){return this.computeMinimumDiameter(),this.minWidthPt},getSupportingSegment:function(){return this.computeMinimumDiameter(),this.inputGeom.getFactory().createLineString([this.minBaseSeg.p0,this.minBaseSeg.p1])},getDiameter:function(){if(this.computeMinimumDiameter(),null===this.minWidthPt)return this.inputGeom.getFactory().createLineString(null);var t=this.minBaseSeg.project(this.minWidthPt);return this.inputGeom.getFactory().createLineString([t,this.minWidthPt])},computeWidthConvex:function(t){t instanceof Tt?this.convexHullPts=t.getExteriorRing().getCoordinates():this.convexHullPts=t.getCoordinates(),0===this.convexHullPts.length?(this.minWidth=0,this.minWidthPt=null,this.minBaseSeg=null):1===this.convexHullPts.length?(this.minWidth=0,this.minWidthPt=this.convexHullPts[0],this.minBaseSeg.p0=this.convexHullPts[0],this.minBaseSeg.p1=this.convexHullPts[0]):2===this.convexHullPts.length||3===this.convexHullPts.length?(this.minWidth=0,this.minWidthPt=this.convexHullPts[0],this.minBaseSeg.p0=this.convexHullPts[0],this.minBaseSeg.p1=this.convexHullPts[1]):this.computeConvexRingMinDiameter(this.convexHullPts)},computeConvexRingMinDiameter:function(t){this.minWidth=r.MAX_VALUE;for(var e=1,n=new ce,i=0;i<t.length-1;i++)n.p0=t[i],n.p1=t[i+1],e=this.findMaxPerpDistance(t,n,e)},computeMinimumDiameter:function(){if(null!==this.minWidthPt)return null;if(this.isConvex)this.computeWidthConvex(this.inputGeom);else{var t=new me(this.inputGeom).getConvexHull();this.computeWidthConvex(t)}},getLength:function(){return this.computeMinimumDiameter(),this.minWidth},findMaxPerpDistance:function(t,e,n){for(var i=e.distancePerpendicular(t[n]),r=i,s=n,o=s;r>=i;)i=r,s=o,o=Li.nextIndex(t,s),r=e.distancePerpendicular(t[o]);return i<this.minWidth&&(this.minPtIndex=s,this.minWidth=i,this.minWidthPt=t[this.minPtIndex],this.minBaseSeg=new ce(e)),s},getMinimumRectangle:function(){if(this.computeMinimumDiameter(),0===this.minWidth)return this.minBaseSeg.p0.equals2D(this.minBaseSeg.p1)?this.inputGeom.getFactory().createPoint(this.minBaseSeg.p0):this.minBaseSeg.toGeometry(this.inputGeom.getFactory());for(var t=this.minBaseSeg.p1.x-this.minBaseSeg.p0.x,e=this.minBaseSeg.p1.y-this.minBaseSeg.p0.y,n=r.MAX_VALUE,i=-r.MAX_VALUE,s=r.MAX_VALUE,o=-r.MAX_VALUE,a=0;a<this.convexHullPts.length;a++){var u=Li.computeC(t,e,this.convexHullPts[a]);u>i&&(i=u),u<n&&(n=u);var l=Li.computeC(-e,t,this.convexHullPts[a]);l>o&&(o=l),l<s&&(s=l)}var h=Li.computeSegmentForLine(-t,-e,o),c=Li.computeSegmentForLine(-t,-e,s),f=Li.computeSegmentForLine(-e,t,i),g=Li.computeSegmentForLine(-e,t,n),d=f.lineIntersection(h),p=g.lineIntersection(h),v=g.lineIntersection(c),m=f.lineIntersection(c),y=this.inputGeom.getFactory().createLinearRing([d,p,v,m,d]);return this.inputGeom.getFactory().createPolygon(y,null)},interfaces_:function(){return[]},getClass:function(){return Li}}),Li.nextIndex=function(t,e){return e++,e>=t.length&&(e=0),e},Li.computeC=function(t,e,n){return t*n.y-e*n.x},Li.getMinimumDiameter=function(t){return new Li(t).getDiameter()},Li.getMinimumRectangle=function(t){return new Li(t).getMinimumRectangle()},Li.computeSegmentForLine=function(t,e,n){var i=null,r=null;return Math.abs(e)>Math.abs(t)?(i=new g(0,n/e),r=new g(1,n/e-t/e)):(i=new g(n/t,0),r=new g(n/t-e/t,1)),new ce(i,r)};var co=Object.freeze({Centroid:ge,CGAlgorithms:he,ConvexHull:me,InteriorPointArea:oi,InteriorPointLine:ui,InteriorPointPoint:li,RobustLineIntersector:ae,MCPointInRing:Ii,MinimumBoundingCircle:wi,MinimumDiameter:Li});e(Ri.prototype,{getResultGeometry:function(){return new Ti(this.distanceTolerance).transform(this.inputGeom)},setDistanceTolerance:function(t){if(t<=0)throw new i("Tolerance must be positive");this.distanceTolerance=t},interfaces_:function(){return[]},getClass:function(){return Ri}}),Ri.densifyPoints=function(t,e,n){for(var i=new ce,r=new N,s=0;s<t.length-1;s++){i.p0=t[s],i.p1=t[s+1],r.add(i.p0,!1);var o=i.getLength(),a=Math.trunc(o/e)+1;if(a>1)for(var u=o/a,l=1;l<a;l++){var h=l*u/o,c=i.pointAlong(h);n.makePrecise(c),r.add(c,!1)}}return r.add(t[t.length-1],!1),r.toCoordinateArray()},Ri.densify=function(t,e){var n=new Ri(t);return n.setDistanceTolerance(e),n.getResultGeometry()},h(Ti,xe),e(Ti.prototype,{transformMultiPolygon:function(t,e){var n=xe.prototype.transformMultiPolygon.call(this,t,e);return this.createValidArea(n)},transformPolygon:function(t,e){var n=xe.prototype.transformPolygon.call(this,t,e);return e instanceof Ot?n:this.createValidArea(n)},transformCoordinates:function(t,e){var n=t.toCoordinateArray(),i=Ri.densifyPoints(n,this.distanceTolerance,e.getPrecisionModel());return e instanceof St&&1===i.length&&(i=new Array(0).fill(null)),this.factory.getCoordinateSequenceFactory().create(i)},createValidArea:function(t){return t.buffer(0)},interfaces_:function(){return[]},getClass:function(){return Ti}}),Ri.DensifyTransformer=Ti;var fo=Object.freeze({Densifier:Ri});e(Pi.prototype,{find:function(t){var e=this;do{if(null===e)return null;if(e.dest().equals2D(t))return e;e=e.oNext()}while(e!==this);return null},dest:function(){return this._sym._orig},oNext:function(){return this._sym._next},insert:function(t){if(this.oNext()===this)return this.insertAfter(t),null;var e=this.compareTo(t),n=this;do{var i=n.oNext(),r=i.compareTo(t);if(r!==e||i===this)return n.insertAfter(t),null;n=i}while(n!==this);f.shouldNeverReachHere()},insertAfter:function(t){f.equals(this._orig,t.orig());var e=this.oNext();this._sym.setNext(t),t.sym().setNext(e)},degree:function t(){var t=0,e=this;do t++,e=e.oNext();while(e!==this);return t},equals:function(){if(2===arguments.length){var t=arguments[0],e=arguments[1];return this._orig.equals2D(t)&&this._sym._orig.equals(e)}},deltaY:function(){return this._sym._orig.y-this._orig.y},sym:function(){return this._sym},prev:function(){return this._sym.next()._sym},compareAngularDirection:function(t){var e=this.deltaX(),n=this.deltaY(),i=t.deltaX(),r=t.deltaY();if(e===i&&n===r)return 0;var s=Je.quadrant(e,n),o=Je.quadrant(i,r);return s>o?1:s<o?-1:he.computeOrientation(t._orig,t.dest(),this.dest())},prevNode:function(){for(var t=this;2===t.degree();)if(t=t.prev(),t===this)return null;return t},compareTo:function(t){var e=t,n=this.compareAngularDirection(e);return n},next:function(){return this._next},setSym:function(t){this._sym=t},orig:function(){return this._orig},toString:function(){return"HE("+this._orig.x+" "+this._orig.y+", "+this._sym._orig.x+" "+this._sym._orig.y+")"},setNext:function(t){this._next=t},init:function(t){this.setSym(t),t.setSym(this),this.setNext(t),t.setNext(this)},deltaX:function(){return this._sym._orig.x-this._orig.x},interfaces_:function(){return[]},getClass:function(){return Pi}}),Pi.init=function(t,e){if(null!==t._sym||null!==e._sym||null!==t._next||null!==e._next)throw new IllegalStateException("Edges are already initialized");return t.init(e),t},Pi.create=function(t,e){var n=new Pi(t),i=new Pi(e);return n.init(i),n},h(bi,Pi),e(bi.prototype,{mark:function(){this._isMarked=!0},setMark:function(t){this._isMarked=t},isMarked:function(){return this._isMarked},interfaces_:function(){return[]},getClass:function(){return bi}}),bi.setMarkBoth=function(t,e){t.setMark(e),t.sym().setMark(e)},bi.isMarked=function(t){return t.isMarked()},bi.setMark=function(t,e){t.setMark(e)},bi.markBoth=function(t){t.mark(),t.sym().mark()},bi.mark=function(t){t.mark()},e(Oi.prototype,{insert:function(t,e,n){var i=this.create(t,e);null!==n?n.insert(i):this.vertexMap.put(t,i);var r=this.vertexMap.get(e);return null!==r?r.insert(i.sym()):this.vertexMap.put(e,i.sym()),i},create:function(t,e){var n=this.createEdge(t),i=this.createEdge(e);return Pi.init(n,i),n},createEdge:function(t){return new Pi(t)},addEdge:function(t,e){if(!Oi.isValidEdge(t,e))return null;var n=this.vertexMap.get(t),i=null;if(null!==n&&(i=n.find(e)),null!==i)return i;var r=this.insert(t,e,n);return r},getVertexEdges:function(){return this.vertexMap.values()},findEdge:function(t,e){var n=this.vertexMap.get(t);return null===n?null:n.find(e)},interfaces_:function(){
return[]},getClass:function(){return Oi}}),Oi.isValidEdge=function(t,e){var n=e.compareTo(t);return 0!==n},h(_i,bi),e(_i.prototype,{setStart:function(){this._isStart=!0},isStart:function(){return this._isStart},interfaces_:function(){return[]},getClass:function(){return _i}}),h(Mi,Oi),e(Mi.prototype,{createEdge:function(t){return new _i(t)},interfaces_:function(){return[]},getClass:function(){return Mi}}),e(Di.prototype,{addLine:function(t){this.lines.add(this.factory.createLineString(t.toCoordinateArray()))},updateRingStartEdge:function(t){return t.isStart()||(t=t.sym(),t.isStart())?null===this.ringStartEdge?(this.ringStartEdge=t,null):void(t.orig().compareTo(this.ringStartEdge.orig())<0&&(this.ringStartEdge=t)):null},getResult:function(){return null===this.result&&this.computeResult(),this.result},process:function(t){var e=t.prevNode();null===e&&(e=t),this.stackEdges(e),this.buildLines()},buildRing:function(t){var e=new N,n=t;for(e.add(n.orig().copy(),!1);2===n.sym().degree();){var i=n.next();if(i===t)break;e.add(i.orig().copy(),!1),n=i}e.add(n.dest().copy(),!1),this.addLine(e)},buildLine:function(t){var e=new N,n=t;for(this.ringStartEdge=null,bi.markBoth(n),e.add(n.orig().copy(),!1);2===n.sym().degree();){this.updateRingStartEdge(n);var i=n.next();if(i===t)return this.buildRing(this.ringStartEdge),null;e.add(i.orig().copy(),!1),n=i,bi.markBoth(n)}e.add(n.dest().copy(),!1),this.stackEdges(n.sym()),this.addLine(e)},stackEdges:function(t){var e=t;do bi.isMarked(e)||this.nodeEdgeStack.add(e),e=e.oNext();while(e!==t)},computeResult:function(){for(var t=this.graph.getVertexEdges(),e=t.iterator();e.hasNext();){var n=e.next();bi.isMarked(n)||this.process(n)}this.result=this.factory.buildGeometry(this.lines)},buildLines:function(){for(;!this.nodeEdgeStack.empty();){var t=this.nodeEdgeStack.pop();bi.isMarked(t)||this.buildLine(t)}},add:function(){if(arguments[0]instanceof B){var t=arguments[0];t.apply({interfaces_:function(){return[q]},filter:function(t){t instanceof St&&this.add(t)}})}else if(R(arguments[0],v))for(var e=arguments[0],n=e.iterator();n.hasNext();){var i=n.next();this.add(i)}else if(arguments[0]instanceof St){var r=arguments[0];null===this.factory&&(this.factory=r.getFactory());for(var s=r.getCoordinateSequence(),o=!1,n=1;n<s.size();n++){var a=this.graph.addEdge(s.getCoordinate(n-1),s.getCoordinate(n));null!==a&&(o||(a.setStart(),o=!0))}}},interfaces_:function(){return[]},getClass:function(){return Di}}),Di.dissolve=function(t){var e=new Di;return e.add(t),e.getResult()};var go=Object.freeze({LineDissolver:Di}),po=Object.freeze({GeometryGraph:$n});e(Ai.prototype,{hasChildren:function(){for(var t=0;t<4;t++)if(null!==this.subnode[t])return!0;return!1},isPrunable:function(){return!(this.hasChildren()||this.hasItems())},addAllItems:function(t){t.addAll(this.items);for(var e=0;e<4;e++)null!==this.subnode[e]&&this.subnode[e].addAllItems(t);return t},getNodeCount:function(){for(var t=0,e=0;e<4;e++)null!==this.subnode[e]&&(t+=this.subnode[e].size());return t+1},size:function(){for(var t=0,e=0;e<4;e++)null!==this.subnode[e]&&(t+=this.subnode[e].size());return t+this.items.size()},addAllItemsFromOverlapping:function(t,e){if(!this.isSearchMatch(t))return null;e.addAll(this.items);for(var n=0;n<4;n++)null!==this.subnode[n]&&this.subnode[n].addAllItemsFromOverlapping(t,e)},visitItems:function(t,e){for(var n=this.items.iterator();n.hasNext();)e.visitItem(n.next())},hasItems:function(){return!this.items.isEmpty()},remove:function(t,e){if(!this.isSearchMatch(t))return!1;for(var n=!1,i=0;i<4;i++)if(null!==this.subnode[i]&&(n=this.subnode[i].remove(t,e))){this.subnode[i].isPrunable()&&(this.subnode[i]=null);break}return n?n:n=this.items.remove(e)},visit:function(t,e){if(!this.isSearchMatch(t))return null;this.visitItems(t,e);for(var n=0;n<4;n++)null!==this.subnode[n]&&this.subnode[n].visit(t,e)},getItems:function(){return this.items},depth:function(){for(var t=0,e=0;e<4;e++)if(null!==this.subnode[e]){var n=this.subnode[e].depth();n>t&&(t=n)}return t+1},isEmpty:function t(){var t=!0;this.items.isEmpty()||(t=!1);for(var e=0;e<4;e++)null!==this.subnode[e]&&(this.subnode[e].isEmpty()||(t=!1));return t},add:function(t){this.items.add(t)},interfaces_:function(){return[u]},getClass:function(){return Ai}}),Ai.getSubnodeIndex=function(t,e,n){var i=-1;return t.getMinX()>=e&&(t.getMinY()>=n&&(i=3),t.getMaxY()<=n&&(i=1)),t.getMaxX()<=e&&(t.getMinY()>=n&&(i=2),t.getMaxY()<=n&&(i=0)),i},e(Fi.prototype,{getLevel:function(){return this.level},computeKey:function(){if(1===arguments.length){var t=arguments[0];for(this.level=Fi.computeQuadLevel(t),this.env=new C,this.computeKey(this.level,t);!this.env.contains(t);)this.level+=1,this.computeKey(this.level,t)}else if(2===arguments.length){var e=arguments[0],n=arguments[1],i=gi.powerOf2(e);this.pt.x=Math.floor(n.getMinX()/i)*i,this.pt.y=Math.floor(n.getMinY()/i)*i,this.env.init(this.pt.x,this.pt.x+i,this.pt.y,this.pt.y+i)}},getEnvelope:function(){return this.env},getCentre:function(){return new g((this.env.getMinX()+this.env.getMaxX())/2,(this.env.getMinY()+this.env.getMaxY())/2)},getPoint:function(){return this.pt},interfaces_:function(){return[]},getClass:function(){return Fi}}),Fi.computeQuadLevel=function(t){var e=t.getWidth(),n=t.getHeight(),i=e>n?e:n,r=gi.exponent(i)+1;return r},h(Gi,Ai),e(Gi.prototype,{find:function(t){var e=Ai.getSubnodeIndex(t,this.centrex,this.centrey);if(e===-1)return this;if(null!==this.subnode[e]){var n=this.subnode[e];return n.find(t)}return this},isSearchMatch:function(t){return this.env.intersects(t)},getSubnode:function(t){return null===this.subnode[t]&&(this.subnode[t]=this.createSubnode(t)),this.subnode[t]},getEnvelope:function(){return this.env},getNode:function(t){var e=Ai.getSubnodeIndex(t,this.centrex,this.centrey);if(e!==-1){var n=this.getSubnode(e);return n.getNode(t)}return this},createSubnode:function(t){var e=0,n=0,i=0,r=0;switch(t){case 0:e=this.env.getMinX(),n=this.centrex,i=this.env.getMinY(),r=this.centrey;break;case 1:e=this.centrex,n=this.env.getMaxX(),i=this.env.getMinY(),r=this.centrey;break;case 2:e=this.env.getMinX(),n=this.centrex,i=this.centrey,r=this.env.getMaxY();break;case 3:e=this.centrex,n=this.env.getMaxX(),i=this.centrey,r=this.env.getMaxY()}var s=new C(e,n,i,r),o=new Gi(s,this.level-1);return o},insertNode:function(t){f.isTrue(null===this.env||this.env.contains(t.env));var e=Ai.getSubnodeIndex(t.env,this.centrex,this.centrey);if(t.level===this.level-1)this.subnode[e]=t;else{var n=this.createSubnode(e);n.insertNode(t),this.subnode[e]=n}},interfaces_:function(){return[]},getClass:function(){return Gi}}),Gi.createNode=function(t){var e=new Fi(t),n=new Gi(e.getEnvelope(),e.getLevel());return n},Gi.createExpanded=function(t,e){var n=new C(e);null!==t&&n.expandToInclude(t.env);var i=Gi.createNode(n);return null!==t&&i.insertNode(t),i},h(qi,Ai),e(qi.prototype,{insert:function(t,e){var n=Ai.getSubnodeIndex(t,qi.origin.x,qi.origin.y);if(n===-1)return this.add(e),null;var i=this.subnode[n];if(null===i||!i.getEnvelope().contains(t)){var r=Gi.createExpanded(i,t);this.subnode[n]=r}this.insertContained(this.subnode[n],t,e)},isSearchMatch:function(t){return!0},insertContained:function(t,e,n){f.isTrue(t.getEnvelope().contains(e));var i=mi.isZeroWidth(e.getMinX(),e.getMaxX()),r=mi.isZeroWidth(e.getMinY(),e.getMaxY()),s=null;s=i||r?t.find(e):t.getNode(e),s.add(n)},interfaces_:function(){return[]},getClass:function(){return qi}}),qi.origin=new g(0,0),e(Bi.prototype,{size:function(){return null!==this.root?this.root.size():0},insert:function(t,e){this.collectStats(t);var n=Bi.ensureExtent(t,this.minExtent);this.root.insert(n,e)},query:function(){if(1===arguments.length){var t=arguments[0],e=new Yn;return this.query(t,e),e.getItems()}if(2===arguments.length){var n=arguments[0],i=arguments[1];this.root.visit(n,i)}},queryAll:function(){var t=new I;return this.root.addAllItems(t),t},remove:function(t,e){var n=Bi.ensureExtent(t,this.minExtent);return this.root.remove(n,e)},collectStats:function(t){var e=t.getWidth();e<this.minExtent&&e>0&&(this.minExtent=e);var n=t.getHeight();n<this.minExtent&&n>0&&(this.minExtent=n)},depth:function(){return null!==this.root?this.root.depth():0},isEmpty:function(){return null===this.root},interfaces_:function(){return[Fe,u]},getClass:function(){return Bi}}),Bi.ensureExtent=function(t,e){var n=t.getMinX(),i=t.getMaxX(),r=t.getMinY(),s=t.getMaxY();return n!==i&&r!==s?t:(n===i&&(n-=e/2,i=n+e/2),r===s&&(r-=e/2,s=r+e/2),new C(n,i,r,s))},Bi.serialVersionUID=-0x678b60c967a25400;var vo=Object.freeze({Quadtree:Bi}),mo=Object.freeze({STRtree:ke}),yo=Object.freeze({quadtree:vo,strtree:mo}),xo=["Point","MultiPoint","LineString","MultiLineString","Polygon","MultiPolygon"];e(zi.prototype,{read:function(t){var e=void 0;e="string"==typeof t?JSON.parse(t):t;var n=e.type;if(!Eo[n])throw new Error("Unknown GeoJSON type: "+e.type);return xo.indexOf(n)!==-1?Eo[n].apply(this,[e.coordinates]):"GeometryCollection"===n?Eo[n].apply(this,[e.geometries]):Eo[n].apply(this,[e])},write:function(t){var e=t.getGeometryType();if(!Io[e])throw new Error("Geometry is not supported");return Io[e].apply(this,[t])}});var Eo={Feature:function(t){var e={};for(var n in t)e[n]=t[n];if(t.geometry){var i=t.geometry.type;if(!Eo[i])throw new Error("Unknown GeoJSON type: "+t.type);e.geometry=this.read(t.geometry)}return t.bbox&&(e.bbox=Eo.bbox.apply(this,[t.bbox])),e},FeatureCollection:function(t){var e={};if(t.features){e.features=[];for(var n=0;n<t.features.length;++n)e.features.push(this.read(t.features[n]))}return t.bbox&&(e.bbox=this.parse.bbox.apply(this,[t.bbox])),e},coordinates:function t(e){for(var t=[],n=0;n<e.length;++n){var i=e[n];t.push(new g(i[0],i[1]))}return t},bbox:function(t){return this.geometryFactory.createLinearRing([new g(t[0],t[1]),new g(t[2],t[1]),new g(t[2],t[3]),new g(t[0],t[3]),new g(t[0],t[1])])},Point:function(t){var e=new g(t[0],t[1]);return this.geometryFactory.createPoint(e)},MultiPoint:function(t){for(var e=[],n=0;n<t.length;++n)e.push(Eo.Point.apply(this,[t[n]]));return this.geometryFactory.createMultiPoint(e)},LineString:function(t){var e=Eo.coordinates.apply(this,[t]);return this.geometryFactory.createLineString(e)},MultiLineString:function(t){for(var e=[],n=0;n<t.length;++n)e.push(Eo.LineString.apply(this,[t[n]]));return this.geometryFactory.createMultiLineString(e)},Polygon:function(t){for(var e=Eo.coordinates.apply(this,[t[0]]),n=this.geometryFactory.createLinearRing(e),i=[],r=1;r<t.length;++r){var s=t[r],o=Eo.coordinates.apply(this,[s]),a=this.geometryFactory.createLinearRing(o);i.push(a)}return this.geometryFactory.createPolygon(n,i)},MultiPolygon:function(t){for(var e=[],n=0;n<t.length;++n){var i=t[n];e.push(Eo.Polygon.apply(this,[i]))}return this.geometryFactory.createMultiPolygon(e)},GeometryCollection:function(t){for(var e=[],n=0;n<t.length;++n){var i=t[n];e.push(this.read(i))}return this.geometryFactory.createGeometryCollection(e)}},Io={coordinate:function(t){return[t.x,t.y]},Point:function(t){var e=Io.coordinate.apply(this,[t.getCoordinate()]);return{type:"Point",coordinates:e}},MultiPoint:function(t){for(var e=[],n=0;n<t.geometries.length;++n){var i=t.geometries[n],r=Io.Point.apply(this,[i]);e.push(r.coordinates)}return{type:"MultiPoint",coordinates:e}},LineString:function(t){for(var e=[],n=t.getCoordinates(),i=0;i<n.length;++i){var r=n[i];e.push(Io.coordinate.apply(this,[r]))}return{type:"LineString",coordinates:e}},MultiLineString:function(t){for(var e=[],n=0;n<t.geometries.length;++n){var i=t.geometries[n],r=Io.LineString.apply(this,[i]);e.push(r.coordinates)}return{type:"MultiLineString",coordinates:e}},Polygon:function(t){var e=[],n=Io.LineString.apply(this,[t.shell]);e.push(n.coordinates);for(var i=0;i<t.holes.length;++i){var r=t.holes[i],s=Io.LineString.apply(this,[r]);e.push(s.coordinates)}return{type:"Polygon",coordinates:e}},MultiPolygon:function(t){for(var e=[],n=0;n<t.geometries.length;++n){var i=t.geometries[n],r=Io.Polygon.apply(this,[i]);e.push(r.coordinates)}return{type:"MultiPolygon",coordinates:e}},GeometryCollection:function(t){for(var e=[],n=0;n<t.geometries.length;++n){var i=t.geometries[n],r=i.getGeometryType();e.push(Io[r].apply(this,[i]))}return{type:"GeometryCollection",geometries:e}}};e(Vi.prototype,{read:function(t){var e=this.parser.read(t);return this.precisionModel.getType()===ee.FIXED&&this.reducePrecision(e),e},reducePrecision:function(t){var e,n;if(t.coordinate)this.precisionModel.makePrecise(t.coordinate);else if(t.points)for(e=0,n=t.points.length;e<n;e++)this.precisionModel.makePrecise(t.points[e]);else if(t.geometries)for(e=0,n=t.geometries.length;e<n;e++)this.reducePrecision(t.geometries[e])}}),e(ki.prototype,{write:function(t){return this.parser.write(t)}}),e(Yi.prototype,{read:function(t){var e=this.parser.read(t);return this.precisionModel.getType()===ee.FIXED&&this.reducePrecision(e),e},reducePrecision:function(t){if(t.coordinate)this.precisionModel.makePrecise(t.coordinate);else if(t.points)for(var e=0,n=t.points.coordinates.length;e<n;e++)this.precisionModel.makePrecise(t.points.coordinates[e]);else if(t.geometries)for(var i=0,r=t.geometries.length;i<r;i++)this.reducePrecision(t.geometries[i])}}),e(Xi.prototype,{read:function(t){var e=this.ol;return t instanceof e.geom.Point?this.convertFromPoint(t):t instanceof e.geom.LineString?this.convertFromLineString(t):t instanceof e.geom.LinearRing?this.convertFromLinearRing(t):t instanceof e.geom.Polygon?this.convertFromPolygon(t):t instanceof e.geom.MultiPoint?this.convertFromMultiPoint(t):t instanceof e.geom.MultiLineString?this.convertFromMultiLineString(t):t instanceof e.geom.MultiPolygon?this.convertFromMultiPolygon(t):t instanceof e.geom.GeometryCollection?this.convertFromCollection(t):void 0},convertFromPoint:function(t){var e=t.getCoordinates();return this.geometryFactory.createPoint(new g(e[0],e[1]))},convertFromLineString:function(t){return this.geometryFactory.createLineString(t.getCoordinates().map(function(t){return new g(t[0],t[1])}))},convertFromLinearRing:function(t){return this.geometryFactory.createLinearRing(t.getCoordinates().map(function(t){return new g(t[0],t[1])}))},convertFromPolygon:function(t){for(var e=t.getLinearRings(),n=null,i=[],r=0;r<e.length;r++){var s=this.convertFromLinearRing(e[r]);0===r?n=s:i.push(s)}return this.geometryFactory.createPolygon(n,i)},convertFromMultiPoint:function(t){var e=t.getPoints().map(function(t){return this.convertFromPoint(t)},this);return this.geometryFactory.createMultiPoint(e)},convertFromMultiLineString:function(t){var e=t.getLineStrings().map(function(t){return this.convertFromLineString(t)},this);return this.geometryFactory.createMultiLineString(e)},convertFromMultiPolygon:function(t){var e=t.getPolygons().map(function(t){return this.convertFromPolygon(t)},this);return this.geometryFactory.createMultiPolygon(e)},convertFromCollection:function(t){var e=t.getGeometries().map(function(t){return this.read(t)},this);return this.geometryFactory.createGeometryCollection(e)},write:function(t){return"Point"===t.getGeometryType()?this.convertToPoint(t.getCoordinate()):"LineString"===t.getGeometryType()?this.convertToLineString(t):"LinearRing"===t.getGeometryType()?this.convertToLinearRing(t):"Polygon"===t.getGeometryType()?this.convertToPolygon(t):"MultiPoint"===t.getGeometryType()?this.convertToMultiPoint(t):"MultiLineString"===t.getGeometryType()?this.convertToMultiLineString(t):"MultiPolygon"===t.getGeometryType()?this.convertToMultiPolygon(t):"GeometryCollection"===t.getGeometryType()?this.convertToCollection(t):void 0},convertToPoint:function(t){return new this.ol.geom.Point([t.x,t.y])},convertToLineString:function(t){var e=t.points.coordinates.map(Ui);return new this.ol.geom.LineString(e)},convertToLinearRing:function(t){var e=t.points.coordinates.map(Ui);return new this.ol.geom.LinearRing(e)},convertToPolygon:function(t){for(var e=[t.shell.points.coordinates.map(Ui)],n=0;n<t.holes.length;n++)e.push(t.holes[n].points.coordinates.map(Ui));return new this.ol.geom.Polygon(e)},convertToMultiPoint:function(t){return new this.ol.geom.MultiPoint(t.getCoordinates().map(Ui))},convertToMultiLineString:function(t){for(var e=[],n=0;n<t.geometries.length;n++)e.push(this.convertToLineString(t.geometries[n]).getCoordinates());return new this.ol.geom.MultiLineString(e)},convertToMultiPolygon:function(t){for(var e=[],n=0;n<t.geometries.length;n++)e.push(this.convertToPolygon(t.geometries[n]).getCoordinates());return new this.ol.geom.MultiPolygon(e)},convertToCollection:function(t){for(var e=[],n=0;n<t.geometries.length;n++){var i=t.geometries[n];e.push(this.write(i))}return new this.ol.geom.GeometryCollection(e)}});var No=Object.freeze({GeoJSONReader:Vi,GeoJSONWriter:ki,OL3Parser:Xi,WKTReader:Yi,WKTWriter:se});e(Hi.prototype,{rescale:function(){if(R(arguments[0],v))for(var t=arguments[0],e=t.iterator();e.hasNext();){var n=e.next();this.rescale(n.getCoordinates())}else if(arguments[0]instanceof Array){var i=arguments[0],r=null,s=null;2===i.length&&(r=new g(i[0]),s=new g(i[1]));for(var e=0;e<i.length;e++)i[e].x=i[e].x/this.scaleFactor+this.offsetX,i[e].y=i[e].y/this.scaleFactor+this.offsetY;2===i.length&&i[0].equals2D(i[1])&&A.out.println(i)}},scale:function(){if(R(arguments[0],v)){for(var t=arguments[0],e=new I,n=t.iterator();n.hasNext();){var i=n.next();e.add(new Ke(this.scale(i.getCoordinates()),i.getData()))}return e}if(arguments[0]instanceof Array){for(var r=arguments[0],s=new Array(r.length).fill(null),n=0;n<r.length;n++)s[n]=new g(Math.round((r[n].x-this.offsetX)*this.scaleFactor),Math.round((r[n].y-this.offsetY)*this.scaleFactor),r[n].z);var o=H.removeRepeatedPoints(s);return o}},isIntegerPrecision:function(){return 1===this.scaleFactor},getNodedSubstrings:function(){var t=this.noder.getNodedSubstrings();return this.isScaled&&this.rescale(t),t},computeNodes:function(t){var e=t;this.isScaled&&(e=this.scale(t)),this.noder.computeNodes(e)},interfaces_:function(){return[tn]},getClass:function(){return Hi}});var Co=Object.freeze({MCIndexNoder:nn,ScaledNoder:Hi,SegmentString:be});e(Wi.prototype,{isSimpleMultiPoint:function(t){if(t.isEmpty())return!0;for(var e=new at,n=0;n<t.getNumGeometries();n++){var i=t.getGeometryN(n),r=i.getCoordinate();if(e.contains(r))return this.nonSimpleLocation=r,!1;e.add(r)}return!0},isSimplePolygonal:function(t){for(var e=kn.getLines(t),n=e.iterator();n.hasNext();){var i=n.next();if(!this.isSimpleLinearGeometry(i))return!1}return!0},hasClosedEndpointIntersection:function(t){for(var e=new rt,n=t.getEdgeIterator();n.hasNext();){var i=n.next(),r=(i.getMaximumSegmentIndex(),i.isClosed()),s=i.getCoordinate(0);this.addEndpoint(e,s,r);var o=i.getCoordinate(i.getNumPoints()-1);this.addEndpoint(e,o,r)}for(var n=e.values().iterator();n.hasNext();){var a=n.next();if(a.isClosed&&2!==a.degree)return this.nonSimpleLocation=a.getCoordinate(),!0}return!1},getNonSimpleLocation:function(){return this.nonSimpleLocation},isSimpleLinearGeometry:function(t){if(t.isEmpty())return!0;var e=new $n(0,t),n=new ae,i=e.computeSelfNodes(n,!0);return!i.hasIntersection()||(i.hasProperIntersection()?(this.nonSimpleLocation=i.getProperIntersectionPoint(),!1):!this.hasNonEndpointIntersection(e)&&(!this.isClosedEndpointsInInterior||!this.hasClosedEndpointIntersection(e)))},hasNonEndpointIntersection:function(t){for(var e=t.getEdgeIterator();e.hasNext();)for(var n=e.next(),i=n.getMaximumSegmentIndex(),r=n.getEdgeIntersectionList().iterator();r.hasNext();){var s=r.next();if(!s.isEndPoint(i))return this.nonSimpleLocation=s.getCoordinate(),!0}return!1},addEndpoint:function(t,e,n){var i=t.get(e);null===i&&(i=new ji(e),t.put(e,i)),i.addEndpoint(n)},computeSimple:function(t){return this.nonSimpleLocation=null,!!t.isEmpty()||(t instanceof St?this.isSimpleLinearGeometry(t):t instanceof gt?this.isSimpleLinearGeometry(t):t instanceof Pt?this.isSimpleMultiPoint(t):R(t,Rt)?this.isSimplePolygonal(t):!(t instanceof ft)||this.isSimpleGeometryCollection(t))},isSimple:function(){return this.nonSimpleLocation=null,this.computeSimple(this.inputGeom)},isSimpleGeometryCollection:function(t){for(var e=0;e<t.getNumGeometries();e++){var n=t.getGeometryN(e);if(!this.computeSimple(n))return!1}return!0},interfaces_:function(){return[]},getClass:function(){return Wi}}),e(ji.prototype,{addEndpoint:function(t){this.degree++,this.isClosed|=t},getCoordinate:function(){return this.pt},interfaces_:function(){return[]},getClass:function(){return ji}}),Wi.EndpointInfo=ji,e(Ki.prototype,{getEndCapStyle:function(){return this.endCapStyle},isSingleSided:function(){return this._isSingleSided},setQuadrantSegments:function(t){this.quadrantSegments=t,0===this.quadrantSegments&&(this.joinStyle=Ki.JOIN_BEVEL),this.quadrantSegments<0&&(this.joinStyle=Ki.JOIN_MITRE,this.mitreLimit=Math.abs(this.quadrantSegments)),t<=0&&(this.quadrantSegments=1),this.joinStyle!==Ki.JOIN_ROUND&&(this.quadrantSegments=Ki.DEFAULT_QUADRANT_SEGMENTS)},getJoinStyle:function(){return this.joinStyle},setJoinStyle:function(t){this.joinStyle=t},setSimplifyFactor:function(t){this.simplifyFactor=t<0?0:t},getSimplifyFactor:function(){return this.simplifyFactor},getQuadrantSegments:function(){return this.quadrantSegments},setEndCapStyle:function(t){this.endCapStyle=t},getMitreLimit:function(){return this.mitreLimit},setMitreLimit:function(t){this.mitreLimit=t},setSingleSided:function(t){this._isSingleSided=t},interfaces_:function(){return[]},getClass:function(){return Ki}}),Ki.bufferDistanceError=function(t){var e=Math.PI/2/t;return 1-Math.cos(e/2)},Ki.CAP_ROUND=1,Ki.CAP_FLAT=2,Ki.CAP_SQUARE=3,Ki.JOIN_ROUND=1,Ki.JOIN_MITRE=2,Ki.JOIN_BEVEL=3,Ki.DEFAULT_QUADRANT_SEGMENTS=8,Ki.DEFAULT_MITRE_LIMIT=5,Ki.DEFAULT_SIMPLIFY_FACTOR=.01,e(Zi.prototype,{getCoordinate:function(){return this.minCoord},getRightmostSide:function(t,e){var n=this.getRightmostSideOfSegment(t,e);return n<0&&(n=this.getRightmostSideOfSegment(t,e-1)),n<0&&(this.minCoord=null,this.checkForRightmostCoordinate(t)),n},findRightmostEdgeAtVertex:function(){var t=this.minDe.getEdge().getCoordinates();f.isTrue(this.minIndex>0&&this.minIndex<t.length,"rightmost point expected to be interior vertex of edge");var e=t[this.minIndex-1],n=t[this.minIndex+1],i=he.computeOrientation(this.minCoord,n,e),r=!1;e.y<this.minCoord.y&&n.y<this.minCoord.y&&i===he.COUNTERCLOCKWISE?r=!0:e.y>this.minCoord.y&&n.y>this.minCoord.y&&i===he.CLOCKWISE&&(r=!0),r&&(this.minIndex=this.minIndex-1)},getRightmostSideOfSegment:function(t,e){var n=t.getEdge(),i=n.getCoordinates();if(e<0||e+1>=i.length)return-1;if(i[e].y===i[e+1].y)return-1;var r=cn.LEFT;return i[e].y<i[e+1].y&&(r=cn.RIGHT),r},getEdge:function(){return this.orientedDe},checkForRightmostCoordinate:function(t){for(var e=t.getEdge().getCoordinates(),n=0;n<e.length-1;n++)(null===this.minCoord||e[n].x>this.minCoord.x)&&(this.minDe=t,this.minIndex=n,this.minCoord=e[n])},findRightmostEdgeAtNode:function(){var t=this.minDe.getNode(),e=t.getEdges();this.minDe=e.getRightmostEdge(),this.minDe.isForward()||(this.minDe=this.minDe.getSym(),this.minIndex=this.minDe.getEdge().getCoordinates().length-1)},findEdge:function(t){for(var e=t.iterator();e.hasNext();){var n=e.next();n.isForward()&&this.checkForRightmostCoordinate(n)}f.isTrue(0!==this.minIndex||this.minCoord.equals(this.minDe.getCoordinate()),"inconsistency in rightmost processing"),0===this.minIndex?this.findRightmostEdgeAtNode():this.findRightmostEdgeAtVertex(),this.orientedDe=this.minDe;var i=this.getRightmostSide(this.minDe,this.minIndex);i===cn.LEFT&&(this.orientedDe=this.minDe.getSym())},interfaces_:function(){return[]},getClass:function(){return Zi}}),Qi.prototype.addLast=function(t){this.array_.push(t)},Qi.prototype.removeFirst=function(){return this.array_.shift()},Qi.prototype.isEmpty=function(){return 0===this.array_.length},e(Ji.prototype,{clearVisitedEdges:function(){for(var t=this.dirEdgeList.iterator();t.hasNext();){var e=t.next();e.setVisited(!1)}},getRightmostCoordinate:function(){return this.rightMostCoord},computeNodeDepth:function(t){for(var e=null,n=t.getEdges().iterator();n.hasNext();){var i=n.next();if(i.isVisited()||i.getSym().isVisited()){e=i;break}}if(null===e)throw new sn("unable to find edge to compute depths at "+t.getCoordinate());t.getEdges().computeDepths(e);for(var n=t.getEdges().iterator();n.hasNext();){var i=n.next();i.setVisited(!0),this.copySymDepths(i)}},computeDepth:function(t){this.clearVisitedEdges();var e=this.finder.getEdge();e.getNode(),e.getLabel();e.setEdgeDepths(cn.RIGHT,t),this.copySymDepths(e),this.computeDepths(e)},create:function(t){this.addReachable(t),this.finder.findEdge(this.dirEdgeList),this.rightMostCoord=this.finder.getCoordinate()},findResultEdges:function(){for(var t=this.dirEdgeList.iterator();t.hasNext();){var e=t.next();e.getDepth(cn.RIGHT)>=1&&e.getDepth(cn.LEFT)<=0&&!e.isInteriorAreaEdge()&&e.setInResult(!0)}},computeDepths:function(t){var e=new J,n=new Qi,i=t.getNode();for(n.addLast(i),e.add(i),t.setVisited(!0);!n.isEmpty();){var r=n.removeFirst();e.add(r),this.computeNodeDepth(r);for(var s=r.getEdges().iterator();s.hasNext();){var o=s.next(),a=o.getSym();if(!a.isVisited()){var u=a.getNode();e.contains(u)||(n.addLast(u),e.add(u))}}}},compareTo:function(t){var e=t;return this.rightMostCoord.x<e.rightMostCoord.x?-1:this.rightMostCoord.x>e.rightMostCoord.x?1:0},getEnvelope:function(){if(null===this.env){for(var t=new C,e=this.dirEdgeList.iterator();e.hasNext();)for(var n=e.next(),i=n.getEdge().getCoordinates(),r=0;r<i.length-1;r++)t.expandToInclude(i[r]);this.env=t}return this.env},addReachable:function(t){var e=new pe;for(e.add(t);!e.empty();){var n=e.pop();this.add(n,e)}},copySymDepths:function(t){var e=t.getSym();e.setDepth(cn.LEFT,t.getDepth(cn.RIGHT)),e.setDepth(cn.RIGHT,t.getDepth(cn.LEFT))},add:function(t,e){t.setVisited(!0),this.nodes.add(t);for(var n=t.getEdges().iterator();n.hasNext();){var i=n.next();this.dirEdgeList.add(i);var r=i.getSym(),s=r.getNode();s.isVisited()||e.push(s)}},getNodes:function(){return this.nodes},getDirectedEdges:function(){return this.dirEdgeList},interfaces_:function(){return[s]},getClass:function(){return Ji}}),e($i.prototype,{isDeletable:function(t,e,n,i){var r=this.inputLine[t],s=this.inputLine[e],o=this.inputLine[n];return!!this.isConcave(r,s,o)&&(!!this.isShallow(r,s,o,i)&&this.isShallowSampled(r,s,t,n,i))},deleteShallowConcavities:function(){for(var t=1,e=(this.inputLine.length-1,this.findNextNonDeletedIndex(t)),n=this.findNextNonDeletedIndex(e),i=!1;n<this.inputLine.length;){var r=!1;this.isDeletable(t,e,n,this.distanceTol)&&(this.isDeleted[e]=$i.DELETE,r=!0,i=!0),t=r?n:e,e=this.findNextNonDeletedIndex(t),n=this.findNextNonDeletedIndex(e)}return i},isShallowConcavity:function(t,e,n,i){var r=he.computeOrientation(t,e,n),s=r===this.angleOrientation;if(!s)return!1;var o=he.distancePointLine(e,t,n);return o<i},isShallowSampled:function(t,e,n,i,r){var s=Math.trunc((i-n)/$i.NUM_PTS_TO_CHECK);s<=0&&(s=1);for(var o=n;o<i;o+=s)if(!this.isShallow(t,e,this.inputLine[o],r))return!1;return!0},isConcave:function t(e,n,i){var r=he.computeOrientation(e,n,i),t=r===this.angleOrientation;return t},simplify:function(t){this.distanceTol=Math.abs(t),t<0&&(this.angleOrientation=he.CLOCKWISE),this.isDeleted=new Array(this.inputLine.length).fill(null);var e=!1;do e=this.deleteShallowConcavities();while(e);return this.collapseLine()},findNextNonDeletedIndex:function(t){for(var e=t+1;e<this.inputLine.length&&this.isDeleted[e]===$i.DELETE;)e++;return e},isShallow:function(t,e,n,i){var r=he.distancePointLine(e,t,n);return r<i},collapseLine:function(){for(var t=new N,e=0;e<this.inputLine.length;e++)this.isDeleted[e]!==$i.DELETE&&t.add(this.inputLine[e]);return t.toCoordinateArray()},interfaces_:function(){return[]},getClass:function(){return $i}}),$i.simplify=function(t,e){var n=new $i(t);return n.simplify(e)},$i.INIT=0,$i.DELETE=1,$i.KEEP=1,$i.NUM_PTS_TO_CHECK=10,e(tr.prototype,{getCoordinates:function(){var t=this.ptList.toArray(tr.COORDINATE_ARRAY_TYPE);return t},setPrecisionModel:function(t){this.precisionModel=t},addPt:function(t){var e=new g(t);return this.precisionModel.makePrecise(e),this.isRedundant(e)?null:void this.ptList.add(e)},reverse:function(){},addPts:function(t,e){if(e)for(var n=0;n<t.length;n++)this.addPt(t[n]);else for(var n=t.length-1;n>=0;n--)this.addPt(t[n])},isRedundant:function(t){if(this.ptList.size()<1)return!1;var e=this.ptList.get(this.ptList.size()-1),n=t.distance(e);return n<this.minimimVertexDistance},toString:function(){var t=new ie,e=t.createLineString(this.getCoordinates());return e.toString()},closeRing:function(){if(this.ptList.size()<1)return null;var t=new g(this.ptList.get(0)),e=this.ptList.get(this.ptList.size()-1),n=null;return this.ptList.size()>=2&&(n=this.ptList.get(this.ptList.size()-2)),t.equals(e)?null:void this.ptList.add(t)},setMinimumVertexDistance:function(t){this.minimimVertexDistance=t},interfaces_:function(){return[]},getClass:function(){return tr}}),tr.COORDINATE_ARRAY_TYPE=new Array(0).fill(null),e(er.prototype,{addNextSegment:function(t,e){if(this.s0=this.s1,this.s1=this.s2,this.s2=t,this.seg0.setCoordinates(this.s0,this.s1),this.computeOffsetSegment(this.seg0,this.side,this.distance,this.offset0),this.seg1.setCoordinates(this.s1,this.s2),this.computeOffsetSegment(this.seg1,this.side,this.distance,this.offset1),this.s1.equals(this.s2))return null;var n=he.computeOrientation(this.s0,this.s1,this.s2),i=n===he.CLOCKWISE&&this.side===cn.LEFT||n===he.COUNTERCLOCKWISE&&this.side===cn.RIGHT;0===n?this.addCollinear(e):i?this.addOutsideTurn(n,e):this.addInsideTurn(n,e)},addLineEndCap:function(t,e){var n=new ce(t,e),i=new ce;this.computeOffsetSegment(n,cn.LEFT,this.distance,i);var r=new ce;this.computeOffsetSegment(n,cn.RIGHT,this.distance,r);var s=e.x-t.x,o=e.y-t.y,a=Math.atan2(o,s);switch(this.bufParams.getEndCapStyle()){case Ki.CAP_ROUND:this.segList.addPt(i.p1),this.addFilletArc(e,a+Math.PI/2,a-Math.PI/2,he.CLOCKWISE,this.distance),this.segList.addPt(r.p1);break;case Ki.CAP_FLAT:this.segList.addPt(i.p1),this.segList.addPt(r.p1);break;case Ki.CAP_SQUARE:var u=new g;u.x=Math.abs(this.distance)*Math.cos(a),u.y=Math.abs(this.distance)*Math.sin(a);var l=new g(i.p1.x+u.x,i.p1.y+u.y),h=new g(r.p1.x+u.x,r.p1.y+u.y);this.segList.addPt(l),this.segList.addPt(h)}},getCoordinates:function(){var t=this.segList.getCoordinates();return t},addMitreJoin:function(t,e,n,i){var r=!0,s=null;try{s=F.intersection(e.p0,e.p1,n.p0,n.p1);var o=i<=0?1:s.distance(t)/Math.abs(i);o>this.bufParams.getMitreLimit()&&(r=!1)}catch(t){if(!(t instanceof w))throw t;s=new g(0,0),r=!1}finally{}r?this.segList.addPt(s):this.addLimitedMitreJoin(e,n,i,this.bufParams.getMitreLimit())},addFilletCorner:function(t,e,n,i,r){var s=e.x-t.x,o=e.y-t.y,a=Math.atan2(o,s),u=n.x-t.x,l=n.y-t.y,h=Math.atan2(l,u);i===he.CLOCKWISE?a<=h&&(a+=2*Math.PI):a>=h&&(a-=2*Math.PI),this.segList.addPt(e),this.addFilletArc(t,a,h,i,r),this.segList.addPt(n)},addOutsideTurn:function(t,e){return this.offset0.p1.distance(this.offset1.p0)<this.distance*er.OFFSET_SEGMENT_SEPARATION_FACTOR?(this.segList.addPt(this.offset0.p1),null):void(this.bufParams.getJoinStyle()===Ki.JOIN_MITRE?this.addMitreJoin(this.s1,this.offset0,this.offset1,this.distance):this.bufParams.getJoinStyle()===Ki.JOIN_BEVEL?this.addBevelJoin(this.offset0,this.offset1):(e&&this.segList.addPt(this.offset0.p1),this.addFilletCorner(this.s1,this.offset0.p1,this.offset1.p0,t,this.distance),this.segList.addPt(this.offset1.p0)))},createSquare:function(t){this.segList.addPt(new g(t.x+this.distance,t.y+this.distance)),this.segList.addPt(new g(t.x+this.distance,t.y-this.distance)),this.segList.addPt(new g(t.x-this.distance,t.y-this.distance)),this.segList.addPt(new g(t.x-this.distance,t.y+this.distance)),this.segList.closeRing()},addSegments:function(t,e){this.segList.addPts(t,e)},addFirstSegment:function(){this.segList.addPt(this.offset1.p0)},addLastSegment:function(){this.segList.addPt(this.offset1.p1)},initSideSegments:function(t,e,n){this.s1=t,this.s2=e,this.side=n,this.seg1.setCoordinates(t,e),this.computeOffsetSegment(this.seg1,n,this.distance,this.offset1);
},addLimitedMitreJoin:function(t,e,n,i){var r=this.seg0.p1,s=Ci.angle(r,this.seg0.p0),o=(Ci.angle(r,this.seg1.p1),Ci.angleBetweenOriented(this.seg0.p0,r,this.seg1.p1)),a=o/2,u=Ci.normalize(s+a),l=Ci.normalize(u+Math.PI),h=i*n,c=h*Math.abs(Math.sin(a)),f=n-c,d=r.x+h*Math.cos(l),p=r.y+h*Math.sin(l),v=new g(d,p),m=new ce(r,v),y=m.pointAlongOffset(1,f),x=m.pointAlongOffset(1,-f);this.side===cn.LEFT?(this.segList.addPt(y),this.segList.addPt(x)):(this.segList.addPt(x),this.segList.addPt(y))},computeOffsetSegment:function(t,e,n,i){var r=e===cn.LEFT?1:-1,s=t.p1.x-t.p0.x,o=t.p1.y-t.p0.y,a=Math.sqrt(s*s+o*o),u=r*n*s/a,l=r*n*o/a;i.p0.x=t.p0.x-l,i.p0.y=t.p0.y+u,i.p1.x=t.p1.x-l,i.p1.y=t.p1.y+u},addFilletArc:function(t,e,n,i,r){var s=i===he.CLOCKWISE?-1:1,o=Math.abs(e-n),a=Math.trunc(o/this.filletAngleQuantum+.5);if(a<1)return null;var u=null,l=null;u=0,l=o/a;for(var h=u,c=new g;h<o;){var f=e+s*h;c.x=t.x+r*Math.cos(f),c.y=t.y+r*Math.sin(f),this.segList.addPt(c),h+=l}},addInsideTurn:function(t,e){if(this.li.computeIntersection(this.offset0.p0,this.offset0.p1,this.offset1.p0,this.offset1.p1),this.li.hasIntersection())this.segList.addPt(this.li.getIntersection(0));else if(this._hasNarrowConcaveAngle=!0,this.offset0.p1.distance(this.offset1.p0)<this.distance*er.INSIDE_TURN_VERTEX_SNAP_DISTANCE_FACTOR)this.segList.addPt(this.offset0.p1);else{if(this.segList.addPt(this.offset0.p1),this.closingSegLengthFactor>0){var n=new g((this.closingSegLengthFactor*this.offset0.p1.x+this.s1.x)/(this.closingSegLengthFactor+1),(this.closingSegLengthFactor*this.offset0.p1.y+this.s1.y)/(this.closingSegLengthFactor+1));this.segList.addPt(n);var i=new g((this.closingSegLengthFactor*this.offset1.p0.x+this.s1.x)/(this.closingSegLengthFactor+1),(this.closingSegLengthFactor*this.offset1.p0.y+this.s1.y)/(this.closingSegLengthFactor+1));this.segList.addPt(i)}else this.segList.addPt(this.s1);this.segList.addPt(this.offset1.p0)}},createCircle:function(t){var e=new g(t.x+this.distance,t.y);this.segList.addPt(e),this.addFilletArc(t,0,2*Math.PI,-1,this.distance),this.segList.closeRing()},addBevelJoin:function(t,e){this.segList.addPt(t.p1),this.segList.addPt(e.p0)},init:function(t){this.distance=t,this.maxCurveSegmentError=t*(1-Math.cos(this.filletAngleQuantum/2)),this.segList=new tr,this.segList.setPrecisionModel(this.precisionModel),this.segList.setMinimumVertexDistance(t*er.CURVE_VERTEX_SNAP_DISTANCE_FACTOR)},addCollinear:function(t){this.li.computeIntersection(this.s0,this.s1,this.s1,this.s2);var e=this.li.getIntersectionNum();e>=2&&(this.bufParams.getJoinStyle()===Ki.JOIN_BEVEL||this.bufParams.getJoinStyle()===Ki.JOIN_MITRE?(t&&this.segList.addPt(this.offset0.p1),this.segList.addPt(this.offset1.p0)):this.addFilletCorner(this.s1,this.offset0.p1,this.offset1.p0,he.CLOCKWISE,this.distance))},closeRing:function(){this.segList.closeRing()},hasNarrowConcaveAngle:function(){return this._hasNarrowConcaveAngle},interfaces_:function(){return[]},getClass:function(){return er}}),er.OFFSET_SEGMENT_SEPARATION_FACTOR=.001,er.INSIDE_TURN_VERTEX_SNAP_DISTANCE_FACTOR=.001,er.CURVE_VERTEX_SNAP_DISTANCE_FACTOR=1e-6,er.MAX_CLOSING_SEG_LEN_FACTOR=80,e(nr.prototype,{getOffsetCurve:function(t,e){if(this.distance=e,0===e)return null;var n=e<0,i=Math.abs(e),r=this.getSegGen(i);t.length<=1?this.computePointCurve(t[0],r):this.computeOffsetCurve(t,n,r);var s=r.getCoordinates();return n&&H.reverse(s),s},computeSingleSidedBufferCurve:function(t,e,n){var i=this.simplifyTolerance(this.distance);if(e){n.addSegments(t,!0);var r=$i.simplify(t,-i),s=r.length-1;n.initSideSegments(r[s],r[s-1],cn.LEFT),n.addFirstSegment();for(var o=s-2;o>=0;o--)n.addNextSegment(r[o],!0)}else{n.addSegments(t,!1);var a=$i.simplify(t,i),u=a.length-1;n.initSideSegments(a[0],a[1],cn.LEFT),n.addFirstSegment();for(var o=2;o<=u;o++)n.addNextSegment(a[o],!0)}n.addLastSegment(),n.closeRing()},computeRingBufferCurve:function(t,e,n){var i=this.simplifyTolerance(this.distance);e===cn.RIGHT&&(i=-i);var r=$i.simplify(t,i),s=r.length-1;n.initSideSegments(r[s-1],r[0],e);for(var o=1;o<=s;o++){var a=1!==o;n.addNextSegment(r[o],a)}n.closeRing()},computeLineBufferCurve:function(t,e){var n=this.simplifyTolerance(this.distance),i=$i.simplify(t,n),r=i.length-1;e.initSideSegments(i[0],i[1],cn.LEFT);for(var s=2;s<=r;s++)e.addNextSegment(i[s],!0);e.addLastSegment(),e.addLineEndCap(i[r-1],i[r]);var o=$i.simplify(t,-n),a=o.length-1;e.initSideSegments(o[a],o[a-1],cn.LEFT);for(var s=a-2;s>=0;s--)e.addNextSegment(o[s],!0);e.addLastSegment(),e.addLineEndCap(o[1],o[0]),e.closeRing()},computePointCurve:function(t,e){switch(this.bufParams.getEndCapStyle()){case Ki.CAP_ROUND:e.createCircle(t);break;case Ki.CAP_SQUARE:e.createSquare(t)}},getLineCurve:function(t,e){if(this.distance=e,e<0&&!this.bufParams.isSingleSided())return null;if(0===e)return null;var n=Math.abs(e),i=this.getSegGen(n);if(t.length<=1)this.computePointCurve(t[0],i);else if(this.bufParams.isSingleSided()){var r=e<0;this.computeSingleSidedBufferCurve(t,r,i)}else this.computeLineBufferCurve(t,i);var s=i.getCoordinates();return s},getBufferParameters:function(){return this.bufParams},simplifyTolerance:function(t){return t*this.bufParams.getSimplifyFactor()},getRingCurve:function(t,e,n){if(this.distance=n,t.length<=2)return this.getLineCurve(t,n);if(0===n)return nr.copyCoordinates(t);var i=this.getSegGen(n);return this.computeRingBufferCurve(t,e,i),i.getCoordinates()},computeOffsetCurve:function(t,e,n){var i=this.simplifyTolerance(this.distance);if(e){var r=$i.simplify(t,-i),s=r.length-1;n.initSideSegments(r[s],r[s-1],cn.LEFT),n.addFirstSegment();for(var o=s-2;o>=0;o--)n.addNextSegment(r[o],!0)}else{var a=$i.simplify(t,i),u=a.length-1;n.initSideSegments(a[0],a[1],cn.LEFT),n.addFirstSegment();for(var o=2;o<=u;o++)n.addNextSegment(a[o],!0)}n.addLastSegment()},getSegGen:function(t){return new er(this.precisionModel,this.bufParams,t)},interfaces_:function(){return[]},getClass:function(){return nr}}),nr.copyCoordinates=function(t){for(var e=new Array(t.length).fill(null),n=0;n<e.length;n++)e[n]=new g(t[n]);return e},e(ir.prototype,{findStabbedSegments:function(){if(1===arguments.length){for(var t=arguments[0],e=new I,n=this.subgraphs.iterator();n.hasNext();){var i=n.next(),r=i.getEnvelope();t.y<r.getMinY()||t.y>r.getMaxY()||this.findStabbedSegments(t,i.getDirectedEdges(),e)}return e}if(3===arguments.length)if(R(arguments[2],y)&&arguments[0]instanceof g&&arguments[1]instanceof In)for(var s=arguments[0],o=arguments[1],a=arguments[2],u=o.getEdge().getCoordinates(),n=0;n<u.length-1;n++){this.seg.p0=u[n],this.seg.p1=u[n+1],this.seg.p0.y>this.seg.p1.y&&this.seg.reverse();var l=Math.max(this.seg.p0.x,this.seg.p1.x);if(!(l<s.x||this.seg.isHorizontal()||s.y<this.seg.p0.y||s.y>this.seg.p1.y||he.computeOrientation(this.seg.p0,this.seg.p1,s)===he.RIGHT)){var h=o.getDepth(cn.LEFT);this.seg.p0.equals(u[n])||(h=o.getDepth(cn.RIGHT));var c=new rr(this.seg,h);a.add(c)}}else if(R(arguments[2],y)&&arguments[0]instanceof g&&R(arguments[1],y))for(var f=arguments[0],d=arguments[1],p=arguments[2],n=d.iterator();n.hasNext();){var v=n.next();v.isForward()&&this.findStabbedSegments(f,v,p)}},getDepth:function(t){var e=this.findStabbedSegments(t);if(0===e.size())return 0;var n=ho.min(e);return n.leftDepth},interfaces_:function(){return[]},getClass:function(){return ir}}),e(rr.prototype,{compareTo:function(t){var e=t;if(this.upwardSeg.minX()>=e.upwardSeg.maxX())return 1;if(this.upwardSeg.maxX()<=e.upwardSeg.minX())return-1;var n=this.upwardSeg.orientationIndex(e.upwardSeg);return 0!==n?n:(n=-1*e.upwardSeg.orientationIndex(this.upwardSeg),0!==n?n:this.upwardSeg.compareTo(e.upwardSeg))},compareX:function(t,e){var n=t.p0.compareTo(e.p0);return 0!==n?n:t.p1.compareTo(e.p1)},toString:function(){return this.upwardSeg.toString()},interfaces_:function(){return[s]},getClass:function(){return rr}}),ir.DepthSegment=rr,e(sr.prototype,{addPoint:function(t){if(this.distance<=0)return null;var e=t.getCoordinates(),n=this.curveBuilder.getLineCurve(e,this.distance);this.addCurve(n,L.EXTERIOR,L.INTERIOR)},addPolygon:function(t){var e=this.distance,n=cn.LEFT;this.distance<0&&(e=-this.distance,n=cn.RIGHT);var i=t.getExteriorRing(),r=H.removeRepeatedPoints(i.getCoordinates());if(this.distance<0&&this.isErodedCompletely(i,this.distance))return null;if(this.distance<=0&&r.length<3)return null;this.addPolygonRing(r,e,n,L.EXTERIOR,L.INTERIOR);for(var s=0;s<t.getNumInteriorRing();s++){var o=t.getInteriorRingN(s),a=H.removeRepeatedPoints(o.getCoordinates());this.distance>0&&this.isErodedCompletely(o,-this.distance)||this.addPolygonRing(a,e,cn.opposite(n),L.INTERIOR,L.EXTERIOR)}},isTriangleErodedCompletely:function(t,e){var n=new Si(t[0],t[1],t[2]),i=n.inCentre(),r=he.distancePointLine(i,n.p0,n.p1);return r<Math.abs(e)},addLineString:function(t){if(this.distance<=0&&!this.curveBuilder.getBufferParameters().isSingleSided())return null;var e=H.removeRepeatedPoints(t.getCoordinates()),n=this.curveBuilder.getLineCurve(e,this.distance);this.addCurve(n,L.EXTERIOR,L.INTERIOR)},addCurve:function(t,e,n){if(null===t||t.length<2)return null;var i=new Ke(t,new gn(0,L.BOUNDARY,e,n));this.curveList.add(i)},getCurves:function(){return this.add(this.inputGeom),this.curveList},addPolygonRing:function(t,e,n,i,r){if(0===e&&t.length<bt.MINIMUM_VALID_SIZE)return null;var s=i,o=r;t.length>=bt.MINIMUM_VALID_SIZE&&he.isCCW(t)&&(s=r,o=i,n=cn.opposite(n));var a=this.curveBuilder.getRingCurve(t,n,e);this.addCurve(a,s,o)},add:function(t){if(t.isEmpty())return null;if(t instanceof Tt)this.addPolygon(t);else if(t instanceof St)this.addLineString(t);else if(t instanceof Lt)this.addPoint(t);else if(t instanceof Pt)this.addCollection(t);else if(t instanceof gt)this.addCollection(t);else if(t instanceof Ot)this.addCollection(t);else{if(!(t instanceof ft))throw new UnsupportedOperationException(t.getClass().getName());this.addCollection(t)}},isErodedCompletely:function(t,e){var n=t.getCoordinates();if(n.length<4)return e<0;if(4===n.length)return this.isTriangleErodedCompletely(n,e);var i=t.getEnvelopeInternal(),r=Math.min(i.getHeight(),i.getWidth());return e<0&&2*Math.abs(e)>r},addCollection:function(t){for(var e=0;e<t.getNumGeometries();e++){var n=t.getGeometryN(e);this.add(n)}},interfaces_:function(){return[]},getClass:function(){return sr}}),e(or.prototype,{isTrivialIntersection:function(t,e,n,i){if(t===n&&1===this.li.getIntersectionNum()){if(or.isAdjacentSegments(e,i))return!0;if(t.isClosed()){var r=t.size()-1;if(0===e&&i===r||0===i&&e===r)return!0}}return!1},getProperIntersectionPoint:function(){return this.properIntersectionPoint},hasProperInteriorIntersection:function(){return this.hasProperInterior},getLineIntersector:function(){return this.li},hasProperIntersection:function(){return this.hasProper},processIntersections:function(t,e,n,i){if(t===n&&e===i)return null;this.numTests++;var r=t.getCoordinates()[e],s=t.getCoordinates()[e+1],o=n.getCoordinates()[i],a=n.getCoordinates()[i+1];this.li.computeIntersection(r,s,o,a),this.li.hasIntersection()&&(this.numIntersections++,this.li.isInteriorIntersection()&&(this.numInteriorIntersections++,this.hasInterior=!0),this.isTrivialIntersection(t,e,n,i)||(this._hasIntersection=!0,t.addIntersections(this.li,e,0),n.addIntersections(this.li,i,1),this.li.isProper()&&(this.numProperIntersections++,this.hasProper=!0,this.hasProperInterior=!0)))},hasIntersection:function(){return this._hasIntersection},isDone:function(){return!1},hasInteriorIntersection:function(){return this.hasInterior},interfaces_:function(){return[on]},getClass:function(){return or}}),or.isAdjacentSegments=function(t,e){return 1===Math.abs(t-e)},e(ar.prototype,{setWorkingPrecisionModel:function(t){this.workingPrecisionModel=t},insertUniqueEdge:function(t){var e=this.edgeList.findEqualEdge(t);if(null!==e){var n=e.getLabel(),i=t.getLabel();e.isPointwiseEqual(t)||(i=new gn(t.getLabel()),i.flip()),n.merge(i);var r=ar.depthDelta(i),s=e.getDepthDelta(),o=s+r;e.setDepthDelta(o)}else this.edgeList.add(t),t.setDepthDelta(ar.depthDelta(t.getLabel()))},buildSubgraphs:function(t,e){for(var n=new I,i=t.iterator();i.hasNext();){var r=i.next(),s=r.getRightmostCoordinate(),o=new ir(n),a=o.getDepth(s);r.computeDepth(a),r.findResultEdges(),n.add(r),e.add(r.getDirectedEdges(),r.getNodes())}},createSubgraphs:function(t){for(var e=new I,n=t.getNodes().iterator();n.hasNext();){var i=n.next();if(!i.isVisited()){var r=new Ji;r.create(i),e.add(r)}}return ho.sort(e,ho.reverseOrder()),e},createEmptyResultGeometry:function(){var t=this.geomFact.createPolygon();return t},getNoder:function(t){if(null!==this.workingNoder)return this.workingNoder;var e=new nn,n=new ae;return n.setPrecisionModel(t),e.setSegmentIntersector(new or(n)),e},buffer:function(t,e){var n=this.workingPrecisionModel;null===n&&(n=t.getPrecisionModel()),this.geomFact=t.getFactory();var i=new nr(n,this.bufParams),r=new sr(t,e,i),s=r.getCurves();if(s.size()<=0)return this.createEmptyResultGeometry();this.computeNodedEdges(s,n),this.graph=new Cn(new On),this.graph.addEdges(this.edgeList.getEdges());var o=this.createSubgraphs(this.graph),a=new Sn(this.geomFact);this.buildSubgraphs(o,a);var u=a.getPolygons();if(u.size()<=0)return this.createEmptyResultGeometry();var l=this.geomFact.buildGeometry(u);return l},computeNodedEdges:function(t,e){var n=this.getNoder(e);n.computeNodes(t);for(var i=n.getNodedSubstrings(),r=i.iterator();r.hasNext();){var s=r.next(),o=s.getCoordinates();if(2!==o.length||!o[0].equals2D(o[1])){var a=s.getData(),u=new Jn(s.getCoordinates(),new gn(a));this.insertUniqueEdge(u)}}},setNoder:function(t){this.workingNoder=t},interfaces_:function(){return[]},getClass:function(){return ar}}),ar.depthDelta=function(t){var e=t.getLocation(0,cn.LEFT),n=t.getLocation(0,cn.RIGHT);return e===L.INTERIOR&&n===L.EXTERIOR?1:e===L.EXTERIOR&&n===L.INTERIOR?-1:0},ar.convertSegStrings=function(t){for(var e=new ie,n=new I;t.hasNext();){var i=t.next(),r=e.createLineString(i.getCoordinates());n.add(r)}return e.buildGeometry(n)},e(ur.prototype,{checkEndPtVertexIntersections:function(){if(0===arguments.length)for(var t=this.segStrings.iterator();t.hasNext();){var e=t.next(),n=e.getCoordinates();this.checkEndPtVertexIntersections(n[0],this.segStrings),this.checkEndPtVertexIntersections(n[n.length-1],this.segStrings)}else if(2===arguments.length)for(var i=arguments[0],r=arguments[1],t=r.iterator();t.hasNext();)for(var e=t.next(),n=e.getCoordinates(),s=1;s<n.length-1;s++)if(n[s].equals(i))throw new l("found endpt/interior pt intersection at index "+s+" :pt "+i)},checkInteriorIntersections:function(){if(0===arguments.length)for(var t=this.segStrings.iterator();t.hasNext();)for(var e=t.next(),n=this.segStrings.iterator();n.hasNext();){var i=n.next();this.checkInteriorIntersections(e,i)}else if(2===arguments.length)for(var r=arguments[0],s=arguments[1],o=r.getCoordinates(),a=s.getCoordinates(),u=0;u<o.length-1;u++)for(var h=0;h<a.length-1;h++)this.checkInteriorIntersections(r,u,s,h);else if(4===arguments.length){var c=arguments[0],f=arguments[1],g=arguments[2],d=arguments[3];if(c===g&&f===d)return null;var p=c.getCoordinates()[f],v=c.getCoordinates()[f+1],m=g.getCoordinates()[d],y=g.getCoordinates()[d+1];if(this.li.computeIntersection(p,v,m,y),this.li.hasIntersection()&&(this.li.isProper()||this.hasInteriorIntersection(this.li,p,v)||this.hasInteriorIntersection(this.li,m,y)))throw new l("found non-noded intersection at "+p+"-"+v+" and "+m+"-"+y)}},checkValid:function(){this.checkEndPtVertexIntersections(),this.checkInteriorIntersections(),this.checkCollapses()},checkCollapses:function(){if(0===arguments.length)for(var t=this.segStrings.iterator();t.hasNext();){var e=t.next();this.checkCollapses(e)}else if(1===arguments.length)for(var n=arguments[0],i=n.getCoordinates(),t=0;t<i.length-2;t++)this.checkCollapse(i[t],i[t+1],i[t+2])},hasInteriorIntersection:function(t,e,n){for(var i=0;i<t.getIntersectionNum();i++){var r=t.getIntersection(i);if(!r.equals(e)&&!r.equals(n))return!0}return!1},checkCollapse:function(t,e,n){if(t.equals(n))throw new l("found non-noded collapse at "+ur.fact.createLineString([t,e,n]))},interfaces_:function(){return[]},getClass:function(){return ur}}),ur.fact=new ie,e(lr.prototype,{intersectsScaled:function(t,e){var n=Math.min(t.x,e.x),i=Math.max(t.x,e.x),r=Math.min(t.y,e.y),s=Math.max(t.y,e.y),o=this.maxx<n||this.minx>i||this.maxy<r||this.miny>s;if(o)return!1;var a=this.intersectsToleranceSquare(t,e);return f.isTrue(!(o&&a),"Found bad envelope test"),a},initCorners:function(t){var e=.5;this.minx=t.x-e,this.maxx=t.x+e,this.miny=t.y-e,this.maxy=t.y+e,this.corner[0]=new g(this.maxx,this.maxy),this.corner[1]=new g(this.minx,this.maxy),this.corner[2]=new g(this.minx,this.miny),this.corner[3]=new g(this.maxx,this.miny)},intersects:function(t,e){return 1===this.scaleFactor?this.intersectsScaled(t,e):(this.copyScaled(t,this.p0Scaled),this.copyScaled(e,this.p1Scaled),this.intersectsScaled(this.p0Scaled,this.p1Scaled))},scale:function(t){return Math.round(t*this.scaleFactor)},getCoordinate:function(){return this.originalPt},copyScaled:function(t,e){e.x=this.scale(t.x),e.y=this.scale(t.y)},getSafeEnvelope:function(){if(null===this.safeEnv){var t=lr.SAFE_ENV_EXPANSION_FACTOR/this.scaleFactor;this.safeEnv=new C(this.originalPt.x-t,this.originalPt.x+t,this.originalPt.y-t,this.originalPt.y+t)}return this.safeEnv},intersectsPixelClosure:function(t,e){return this.li.computeIntersection(t,e,this.corner[0],this.corner[1]),!!this.li.hasIntersection()||(this.li.computeIntersection(t,e,this.corner[1],this.corner[2]),!!this.li.hasIntersection()||(this.li.computeIntersection(t,e,this.corner[2],this.corner[3]),!!this.li.hasIntersection()||(this.li.computeIntersection(t,e,this.corner[3],this.corner[0]),!!this.li.hasIntersection())))},intersectsToleranceSquare:function(t,e){var n=!1,i=!1;return this.li.computeIntersection(t,e,this.corner[0],this.corner[1]),!!this.li.isProper()||(this.li.computeIntersection(t,e,this.corner[1],this.corner[2]),!!this.li.isProper()||(this.li.hasIntersection()&&(n=!0),this.li.computeIntersection(t,e,this.corner[2],this.corner[3]),!!this.li.isProper()||(this.li.hasIntersection()&&(i=!0),this.li.computeIntersection(t,e,this.corner[3],this.corner[0]),!!this.li.isProper()||(!(!n||!i)||(!!t.equals(this.pt)||!!e.equals(this.pt))))))},addSnappedNode:function(t,e){var n=t.getCoordinate(e),i=t.getCoordinate(e+1);return!!this.intersects(n,i)&&(t.addIntersection(this.getCoordinate(),e),!0)},interfaces_:function(){return[]},getClass:function(){return lr}}),lr.SAFE_ENV_EXPANSION_FACTOR=.75,e(hr.prototype,{snap:function(){if(1===arguments.length){var t=arguments[0];return this.snap(t,null,-1)}if(3===arguments.length){var e=arguments[0],n=arguments[1],i=arguments[2],r=e.getSafeEnvelope(),s=new cr(e,n,i);return this.index.query(r,{interfaces_:function(){return[Ae]},visitItem:function(t){var e=t;e.select(r,s)}}),s.isNodeAdded()}},interfaces_:function(){return[]},getClass:function(){return hr}}),h(cr,hi),e(cr.prototype,{isNodeAdded:function(){return this._isNodeAdded},select:function(){if(2!==arguments.length)return hi.prototype.select.apply(this,arguments);var t=arguments[0],e=arguments[1],n=t.getContext();return null!==this.parentEdge&&n===this.parentEdge&&e===this.hotPixelVertexIndex?null:void(this._isNodeAdded=this.hotPixel.addSnappedNode(n,e))},interfaces_:function(){return[]},getClass:function(){return cr}}),hr.HotPixelSnapAction=cr,e(fr.prototype,{processIntersections:function(t,e,n,i){if(t===n&&e===i)return null;var r=t.getCoordinates()[e],s=t.getCoordinates()[e+1],o=n.getCoordinates()[i],a=n.getCoordinates()[i+1];if(this.li.computeIntersection(r,s,o,a),this.li.hasIntersection()&&this.li.isInteriorIntersection()){for(var u=0;u<this.li.getIntersectionNum();u++)this.interiorIntersections.add(this.li.getIntersection(u));t.addIntersections(this.li,e,0),n.addIntersections(this.li,i,1)}},isDone:function(){return!1},getInteriorIntersections:function(){return this.interiorIntersections},interfaces_:function(){return[on]},getClass:function(){return fr}}),e(gr.prototype,{checkCorrectness:function(t){var e=Ke.getNodedSubstrings(t),n=new ur(e);try{n.checkValid()}catch(t){if(!(t instanceof S))throw t;t.printStackTrace()}finally{}},getNodedSubstrings:function(){return Ke.getNodedSubstrings(this.nodedSegStrings)},snapRound:function(t,e){var n=this.findInteriorIntersections(t,e);this.computeIntersectionSnaps(n),this.computeVertexSnaps(t)},findInteriorIntersections:function(t,e){var n=new fr(e);return this.noder.setSegmentIntersector(n),this.noder.computeNodes(t),n.getInteriorIntersections()},computeVertexSnaps:function(){if(R(arguments[0],v))for(var t=arguments[0],e=t.iterator();e.hasNext();){var n=e.next();this.computeVertexSnaps(n)}else if(arguments[0]instanceof Ke)for(var i=arguments[0],r=i.getCoordinates(),s=0;s<r.length;s++){var o=new lr(r[s],this.scaleFactor,this.li),a=this.pointSnapper.snap(o,i,s);a&&i.addIntersection(r[s],s)}},computeNodes:function(t){this.nodedSegStrings=t,this.noder=new nn,this.pointSnapper=new hr(this.noder.getIndex()),this.snapRound(t,this.li)},computeIntersectionSnaps:function(t){for(var e=t.iterator();e.hasNext();){var n=e.next(),i=new lr(n,this.scaleFactor,this.li);this.pointSnapper.snap(i)}},interfaces_:function(){return[tn]},getClass:function(){return gr}}),e(dr.prototype,{bufferFixedPrecision:function(t){var e=new Hi(new gr(new ee(1)),t.getScale()),n=new ar(this.bufParams);n.setWorkingPrecisionModel(t),n.setNoder(e),this.resultGeometry=n.buffer(this.argGeom,this.distance)},bufferReducedPrecision:function(){if(0===arguments.length){for(var t=dr.MAX_PRECISION_DIGITS;t>=0;t--){try{this.bufferReducedPrecision(t)}catch(t){if(!(t instanceof sn))throw t;this.saveException=t}finally{}if(null!==this.resultGeometry)return null}throw this.saveException}if(1===arguments.length){var e=arguments[0],n=dr.precisionScaleFactor(this.argGeom,this.distance,e),i=new ee(n);this.bufferFixedPrecision(i)}},computeGeometry:function(){if(this.bufferOriginalPrecision(),null!==this.resultGeometry)return null;var t=this.argGeom.getFactory().getPrecisionModel();t.getType()===ee.FIXED?this.bufferFixedPrecision(t):this.bufferReducedPrecision()},setQuadrantSegments:function(t){this.bufParams.setQuadrantSegments(t)},bufferOriginalPrecision:function(){try{var t=new ar(this.bufParams);this.resultGeometry=t.buffer(this.argGeom,this.distance)}catch(t){if(!(t instanceof l))throw t;this.saveException=t}finally{}},getResultGeometry:function(t){return this.distance=t,this.computeGeometry(),this.resultGeometry},setEndCapStyle:function(t){this.bufParams.setEndCapStyle(t)},interfaces_:function(){return[]},getClass:function(){return dr}}),dr.bufferOp=function(){if(2===arguments.length){var t=arguments[0],e=arguments[1],n=new dr(t),i=n.getResultGeometry(e);return i}if(3===arguments.length){if(Number.isInteger(arguments[2])&&arguments[0]instanceof B&&"number"==typeof arguments[1]){var r=arguments[0],s=arguments[1],o=arguments[2],a=new dr(r);a.setQuadrantSegments(o);var i=a.getResultGeometry(s);return i}if(arguments[2]instanceof Ki&&arguments[0]instanceof B&&"number"==typeof arguments[1]){var u=arguments[0],l=arguments[1],h=arguments[2],a=new dr(u,h),i=a.getResultGeometry(l);return i}}else if(4===arguments.length){var c=arguments[0],f=arguments[1],g=arguments[2],d=arguments[3],a=new dr(c);a.setQuadrantSegments(g),a.setEndCapStyle(d);var i=a.getResultGeometry(f);return i}},dr.precisionScaleFactor=function(t,e,n){var i=t.getEnvelopeInternal(),r=T.max(Math.abs(i.getMaxX()),Math.abs(i.getMaxY()),Math.abs(i.getMinX()),Math.abs(i.getMinY())),s=e>0?e:0,o=r+2*s,a=Math.trunc(Math.log(o)/Math.log(10)+1),u=n-a,l=Math.pow(10,u);return l},dr.CAP_ROUND=Ki.CAP_ROUND,dr.CAP_BUTT=Ki.CAP_FLAT,dr.CAP_FLAT=Ki.CAP_FLAT,dr.CAP_SQUARE=Ki.CAP_SQUARE,dr.MAX_PRECISION_DIGITS=12;var So=Object.freeze({BufferOp:dr,BufferParameters:Ki});e(pr.prototype,{filter:function(t){t instanceof Tt&&this.comps.add(t)},interfaces_:function(){return[ht]},getClass:function(){return pr}}),pr.getPolygons=function(){if(1===arguments.length){var t=arguments[0];return pr.getPolygons(t,new I)}if(2===arguments.length){var e=arguments[0],n=arguments[1];return e instanceof Tt?n.add(e):e instanceof ft&&e.apply(new pr(n)),n}},e(vr.prototype,{isInsideArea:function(){return this.segIndex===vr.INSIDE_AREA},getCoordinate:function(){return this.pt},getGeometryComponent:function(){return this.component},getSegmentIndex:function(){return this.segIndex},interfaces_:function(){return[]},getClass:function(){return vr}}),vr.INSIDE_AREA=-1,e(mr.prototype,{filter:function(t){t instanceof Lt&&this.pts.add(t)},interfaces_:function(){return[ht]},getClass:function(){return mr}}),mr.getPoints=function(){if(1===arguments.length){var t=arguments[0];return t instanceof Lt?ho.singletonList(t):mr.getPoints(t,new I)}if(2===arguments.length){var e=arguments[0],n=arguments[1];return e instanceof Lt?n.add(e):e instanceof ft&&e.apply(new mr(n)),n}},e(yr.prototype,{filter:function(t){(t instanceof Lt||t instanceof St||t instanceof Tt)&&this.locations.add(new vr(t,0,t.getCoordinate()))},interfaces_:function(){return[ht]},getClass:function(){return yr}}),yr.getLocations=function(t){var e=new I;return t.apply(new yr(e)),e},e(xr.prototype,{computeContainmentDistance:function(){if(0===arguments.length){var t=new Array(2).fill(null);if(this.computeContainmentDistance(0,t),this.minDistance<=this.terminateDistance)return null;this.computeContainmentDistance(1,t)}else if(2===arguments.length){var e=arguments[0],n=arguments[1],i=1-e,r=pr.getPolygons(this.geom[e]);if(r.size()>0){var s=yr.getLocations(this.geom[i]);if(this.computeContainmentDistance(s,r,n),this.minDistance<=this.terminateDistance)return this.minDistanceLocation[i]=n[0],this.minDistanceLocation[e]=n[1],null}}else if(3===arguments.length)if(arguments[2]instanceof Array&&R(arguments[0],y)&&R(arguments[1],y)){for(var o=arguments[0],a=arguments[1],u=arguments[2],l=0;l<o.size();l++)for(var h=o.get(l),c=0;c<a.size();c++)if(this.computeContainmentDistance(h,a.get(c),u),this.minDistance<=this.terminateDistance)return null}else if(arguments[2]instanceof Array&&arguments[0]instanceof vr&&arguments[1]instanceof Tt){var f=arguments[0],g=arguments[1],d=arguments[2],p=f.getCoordinate();if(L.EXTERIOR!==this.ptLocator.locate(p,g))return this.minDistance=0,d[0]=f,d[1]=new vr(g,p),null}},computeMinDistanceLinesPoints:function(t,e,n){for(var i=0;i<t.size();i++)for(var r=t.get(i),s=0;s<e.size();s++){var o=e.get(s);if(this.computeMinDistance(r,o,n),this.minDistance<=this.terminateDistance)return null}},computeFacetDistance:function(){var t=new Array(2).fill(null),e=kn.getLines(this.geom[0]),n=kn.getLines(this.geom[1]),i=mr.getPoints(this.geom[0]),r=mr.getPoints(this.geom[1]);return this.computeMinDistanceLines(e,n,t),this.updateMinDistance(t,!1),this.minDistance<=this.terminateDistance?null:(t[0]=null,t[1]=null,this.computeMinDistanceLinesPoints(e,r,t),this.updateMinDistance(t,!1),this.minDistance<=this.terminateDistance?null:(t[0]=null,t[1]=null,this.computeMinDistanceLinesPoints(n,i,t),this.updateMinDistance(t,!0),this.minDistance<=this.terminateDistance?null:(t[0]=null,t[1]=null,this.computeMinDistancePoints(i,r,t),void this.updateMinDistance(t,!1))))},nearestLocations:function(){return this.computeMinDistance(),this.minDistanceLocation},updateMinDistance:function(t,e){return null===t[0]?null:void(e?(this.minDistanceLocation[0]=t[1],this.minDistanceLocation[1]=t[0]):(this.minDistanceLocation[0]=t[0],this.minDistanceLocation[1]=t[1]))},nearestPoints:function(){this.computeMinDistance();var t=[this.minDistanceLocation[0].getCoordinate(),this.minDistanceLocation[1].getCoordinate()];return t},computeMinDistance:function(){if(0===arguments.length){if(null!==this.minDistanceLocation)return null;if(this.minDistanceLocation=new Array(2).fill(null),this.computeContainmentDistance(),this.minDistance<=this.terminateDistance)return null;this.computeFacetDistance()}else if(3===arguments.length)if(arguments[2]instanceof Array&&arguments[0]instanceof St&&arguments[1]instanceof Lt){var t=arguments[0],e=arguments[1],n=arguments[2];if(t.getEnvelopeInternal().distance(e.getEnvelopeInternal())>this.minDistance)return null;for(var i=t.getCoordinates(),r=e.getCoordinate(),s=0;s<i.length-1;s++){var o=he.distancePointLine(r,i[s],i[s+1]);if(o<this.minDistance){this.minDistance=o;var a=new ce(i[s],i[s+1]),u=a.closestPoint(r);n[0]=new vr(t,s,u),n[1]=new vr(e,0,r)}if(this.minDistance<=this.terminateDistance)return null}}else if(arguments[2]instanceof Array&&arguments[0]instanceof St&&arguments[1]instanceof St){var l=arguments[0],h=arguments[1],c=arguments[2];if(l.getEnvelopeInternal().distance(h.getEnvelopeInternal())>this.minDistance)return null;for(var i=l.getCoordinates(),f=h.getCoordinates(),s=0;s<i.length-1;s++)for(var g=0;g<f.length-1;g++){var o=he.distanceLineLine(i[s],i[s+1],f[g],f[g+1]);if(o<this.minDistance){this.minDistance=o;var d=new ce(i[s],i[s+1]),p=new ce(f[g],f[g+1]),v=d.closestPoints(p);c[0]=new vr(l,s,v[0]),c[1]=new vr(h,g,v[1])}if(this.minDistance<=this.terminateDistance)return null}}},computeMinDistancePoints:function(t,e,n){for(var i=0;i<t.size();i++)for(var r=t.get(i),s=0;s<e.size();s++){var o=e.get(s),a=r.getCoordinate().distance(o.getCoordinate());if(a<this.minDistance&&(this.minDistance=a,n[0]=new vr(r,0,r.getCoordinate()),n[1]=new vr(o,0,o.getCoordinate())),this.minDistance<=this.terminateDistance)return null}},distance:function(){if(null===this.geom[0]||null===this.geom[1])throw new i("null geometries are not supported");return this.geom[0].isEmpty()||this.geom[1].isEmpty()?0:(this.computeMinDistance(),this.minDistance)},computeMinDistanceLines:function(t,e,n){for(var i=0;i<t.size();i++)for(var r=t.get(i),s=0;s<e.size();s++){var o=e.get(s);if(this.computeMinDistance(r,o,n),this.minDistance<=this.terminateDistance)return null}},interfaces_:function(){return[]},getClass:function(){return xr}}),xr.distance=function(t,e){var n=new xr(t,e);return n.distance()},xr.isWithinDistance=function(t,e,n){var i=new xr(t,e,n);return i.distance()<=n},xr.nearestPoints=function(t,e){var n=new xr(t,e);return n.nearestPoints()};var wo=Object.freeze({DistanceOp:xr});e(Er.prototype,{getCoordinates:function(){if(null===this.coordinates){for(var t=0,e=0,n=new N,i=this.directedEdges.iterator();i.hasNext();){var r=i.next();r.getEdgeDirection()?t++:e++,n.add(r.getEdge().getLine().getCoordinates(),!1,r.getEdgeDirection())}this.coordinates=n.toCoordinateArray(),e>t&&H.reverse(this.coordinates)}return this.coordinates},toLineString:function(){return this.factory.createLineString(this.getCoordinates())},add:function(t){this.directedEdges.add(t)},interfaces_:function(){return[]},getClass:function(){return Er}}),e(Ir.prototype,{setVisited:function(t){this._isVisited=t},isMarked:function(){return this._isMarked},setData:function(t){this.data=t},getData:function(){return this.data},setMarked:function(t){this._isMarked=t},getContext:function(){return this.data},isVisited:function(){return this._isVisited},setContext:function(t){this.data=t},interfaces_:function(){return[]},getClass:function(){return Ir}}),Ir.getComponentWithVisitedState=function(t,e){for(;t.hasNext();){var n=t.next();if(n.isVisited()===e)return n}return null},Ir.setVisited=function(t,e){for(;t.hasNext();){var n=t.next();n.setVisited(e)}},Ir.setMarked=function(t,e){for(;t.hasNext();){var n=t.next();n.setMarked(e)}},h(Nr,Ir),e(Nr.prototype,{isRemoved:function(){return null===this.parentEdge},compareDirection:function(t){return this.quadrant>t.quadrant?1:this.quadrant<t.quadrant?-1:he.computeOrientation(t.p0,t.p1,this.p1)},getCoordinate:function(){return this.from.getCoordinate()},print:function(t){var e=this.getClass().getName(),n=e.lastIndexOf("."),i=e.substring(n+1);t.print("  "+i+": "+this.p0+" - "+this.p1+" "+this.quadrant+":"+this.angle)},getDirectionPt:function(){return this.p1},getAngle:function(){return this.angle},compareTo:function(t){var e=t;return this.compareDirection(e)},getFromNode:function(){return this.from},getSym:function(){return this.sym;
},setEdge:function(t){this.parentEdge=t},remove:function(){this.sym=null,this.parentEdge=null},getEdge:function(){return this.parentEdge},getQuadrant:function(){return this.quadrant},setSym:function(t){this.sym=t},getToNode:function(){return this.to},getEdgeDirection:function(){return this.edgeDirection},interfaces_:function(){return[s]},getClass:function(){return Nr}}),Nr.toEdges=function(t){for(var e=new I,n=t.iterator();n.hasNext();)e.add(n.next().parentEdge);return e},h(Cr,Nr),e(Cr.prototype,{getNext:function(){return 2!==this.getToNode().getDegree()?null:this.getToNode().getOutEdges().getEdges().get(0)===this.getSym()?this.getToNode().getOutEdges().getEdges().get(1):(f.isTrue(this.getToNode().getOutEdges().getEdges().get(1)===this.getSym()),this.getToNode().getOutEdges().getEdges().get(0))},interfaces_:function(){return[]},getClass:function(){return Cr}}),h(Sr,Ir),e(Sr.prototype,{isRemoved:function(){return null===this.dirEdge},setDirectedEdges:function(t,e){this.dirEdge=[t,e],t.setEdge(this),e.setEdge(this),t.setSym(e),e.setSym(t),t.getFromNode().addOutEdge(t),e.getFromNode().addOutEdge(e)},getDirEdge:function(){if(Number.isInteger(arguments[0])){var t=arguments[0];return this.dirEdge[t]}if(arguments[0]instanceof Lr){var e=arguments[0];return this.dirEdge[0].getFromNode()===e?this.dirEdge[0]:this.dirEdge[1].getFromNode()===e?this.dirEdge[1]:null}},remove:function(){this.dirEdge=null},getOppositeNode:function(t){return this.dirEdge[0].getFromNode()===t?this.dirEdge[0].getToNode():this.dirEdge[1].getFromNode()===t?this.dirEdge[1].getToNode():null},interfaces_:function(){return[]},getClass:function(){return Sr}}),e(wr.prototype,{getNextEdge:function(t){var e=this.getIndex(t);return this.outEdges.get(this.getIndex(e+1))},getCoordinate:function(){var t=this.iterator();if(!t.hasNext())return null;var e=t.next();return e.getCoordinate()},iterator:function(){return this.sortEdges(),this.outEdges.iterator()},sortEdges:function(){this.sorted||(ho.sort(this.outEdges),this.sorted=!0)},remove:function(t){this.outEdges.remove(t)},getEdges:function(){return this.sortEdges(),this.outEdges},getNextCWEdge:function(t){var e=this.getIndex(t);return this.outEdges.get(this.getIndex(e-1))},getIndex:function(){if(arguments[0]instanceof Sr){var t=arguments[0];this.sortEdges();for(var e=0;e<this.outEdges.size();e++){var n=this.outEdges.get(e);if(n.getEdge()===t)return e}return-1}if(arguments[0]instanceof Nr){var i=arguments[0];this.sortEdges();for(var e=0;e<this.outEdges.size();e++){var n=this.outEdges.get(e);if(n===i)return e}return-1}if(Number.isInteger(arguments[0])){var r=arguments[0],s=r%this.outEdges.size();return s<0&&(s+=this.outEdges.size()),s}},add:function(t){this.outEdges.add(t),this.sorted=!1},getDegree:function(){return this.outEdges.size()},interfaces_:function(){return[]},getClass:function(){return wr}}),h(Lr,Ir),e(Lr.prototype,{isRemoved:function(){return null===this.pt},addOutEdge:function(t){this.deStar.add(t)},getCoordinate:function(){return this.pt},getOutEdges:function(){return this.deStar},remove:function(){if(0===arguments.length)this.pt=null;else if(1===arguments.length){var t=arguments[0];this.deStar.remove(t)}},getIndex:function(t){return this.deStar.getIndex(t)},getDegree:function(){return this.deStar.getDegree()},interfaces_:function(){return[]},getClass:function(){return Lr}}),Lr.getEdgesBetween=function(t,e){var n=Nr.toEdges(t.getOutEdges().getEdges()),i=new J(n),r=Nr.toEdges(e.getOutEdges().getEdges());return i.retainAll(r),i},h(Rr,Sr),e(Rr.prototype,{getLine:function(){return this.line},interfaces_:function(){return[]},getClass:function(){return Rr}}),e(Tr.prototype,{find:function(t){return this.nodeMap.get(t)},iterator:function(){return this.nodeMap.values().iterator()},remove:function(t){return this.nodeMap.remove(t)},values:function(){return this.nodeMap.values()},add:function(t){return this.nodeMap.put(t.getCoordinate(),t),t},interfaces_:function(){return[]},getClass:function(){return Tr}}),e(Pr.prototype,{findNodesOfDegree:function(t){for(var e=new I,n=this.nodeIterator();n.hasNext();){var i=n.next();i.getDegree()===t&&e.add(i)}return e},dirEdgeIterator:function(){return this.dirEdges.iterator()},edgeIterator:function(){return this.edges.iterator()},remove:function(){if(arguments[0]instanceof Sr){var t=arguments[0];this.remove(t.getDirEdge(0)),this.remove(t.getDirEdge(1)),this.edges.remove(t),t.remove()}else if(arguments[0]instanceof Nr){var e=arguments[0],n=e.getSym();null!==n&&n.setSym(null),e.getFromNode().remove(e),e.remove(),this.dirEdges.remove(e)}else if(arguments[0]instanceof Lr){for(var i=arguments[0],r=i.getOutEdges().getEdges(),s=r.iterator();s.hasNext();){var o=s.next(),n=o.getSym();null!==n&&this.remove(n),this.dirEdges.remove(o);var a=o.getEdge();null!==a&&this.edges.remove(a)}this.nodeMap.remove(i.getCoordinate()),i.remove()}},findNode:function(t){return this.nodeMap.find(t)},getEdges:function(){return this.edges},nodeIterator:function(){return this.nodeMap.iterator()},contains:function(){if(arguments[0]instanceof Sr){var t=arguments[0];return this.edges.contains(t)}if(arguments[0]instanceof Nr){var e=arguments[0];return this.dirEdges.contains(e)}},add:function(){if(arguments[0]instanceof Lr){var t=arguments[0];this.nodeMap.add(t)}else if(arguments[0]instanceof Sr){var e=arguments[0];this.edges.add(e),this.add(e.getDirEdge(0)),this.add(e.getDirEdge(1))}else if(arguments[0]instanceof Nr){var n=arguments[0];this.dirEdges.add(n)}},getNodes:function(){return this.nodeMap.values()},interfaces_:function(){return[]},getClass:function(){return Pr}}),h(br,Pr),e(br.prototype,{addEdge:function(t){if(t.isEmpty())return null;var e=H.removeRepeatedPoints(t.getCoordinates());if(e.length<=1)return null;var n=e[0],i=e[e.length-1],r=this.getNode(n),s=this.getNode(i),o=new Cr(r,s,e[1],(!0)),a=new Cr(s,r,e[e.length-2],(!1)),u=new Rr(t);u.setDirectedEdges(o,a),this.add(u)},getNode:function(t){var e=this.findNode(t);return null===e&&(e=new Lr(t),this.add(e)),e},interfaces_:function(){return[]},getClass:function(){return br}}),e(Or.prototype,{buildEdgeStringsForUnprocessedNodes:function(){for(var t=this.graph.getNodes().iterator();t.hasNext();){var e=t.next();e.isMarked()||(f.isTrue(2===e.getDegree()),this.buildEdgeStringsStartingAt(e),e.setMarked(!0))}},buildEdgeStringsForNonDegree2Nodes:function(){for(var t=this.graph.getNodes().iterator();t.hasNext();){var e=t.next();2!==e.getDegree()&&(this.buildEdgeStringsStartingAt(e),e.setMarked(!0))}},buildEdgeStringsForObviousStartNodes:function(){this.buildEdgeStringsForNonDegree2Nodes()},getMergedLineStrings:function(){return this.merge(),this.mergedLineStrings},buildEdgeStringsStartingAt:function(t){for(var e=t.getOutEdges().iterator();e.hasNext();){var n=e.next();n.getEdge().isMarked()||this.edgeStrings.add(this.buildEdgeStringStartingWith(n))}},merge:function(){if(null!==this.mergedLineStrings)return null;Ir.setMarked(this.graph.nodeIterator(),!1),Ir.setMarked(this.graph.edgeIterator(),!1),this.edgeStrings=new I,this.buildEdgeStringsForObviousStartNodes(),this.buildEdgeStringsForIsolatedLoops(),this.mergedLineStrings=new I;for(var t=this.edgeStrings.iterator();t.hasNext();){var e=t.next();this.mergedLineStrings.add(e.toLineString())}},buildEdgeStringStartingWith:function(t){var e=new Er(this.factory),n=t;do e.add(n),n.getEdge().setMarked(!0),n=n.getNext();while(null!==n&&n!==t);return e},add:function(){if(arguments[0]instanceof B){var t=arguments[0];t.apply({interfaces_:function(){return[q]},filter:function(t){t instanceof St&&this.add(t)}})}else if(R(arguments[0],v)){var e=arguments[0];this.mergedLineStrings=null;for(var n=e.iterator();n.hasNext();){var i=n.next();this.add(i)}}else if(arguments[0]instanceof St){var r=arguments[0];null===this.factory&&(this.factory=r.getFactory()),this.graph.addEdge(r)}},buildEdgeStringsForIsolatedLoops:function(){this.buildEdgeStringsForUnprocessedNodes()},interfaces_:function(){return[]},getClass:function(){return Or}});var Lo=Object.freeze({LineMerger:Or}),Ro=Object.freeze({OverlayOp:ii});h(_r,Nr),e(_r.prototype,{getNext:function(){return this.next},isInRing:function(){return null!==this.edgeRing},setRing:function(t){this.edgeRing=t},setLabel:function(t){this.label=t},getLabel:function(){return this.label},setNext:function(t){this.next=t},getRing:function(){return this.edgeRing},interfaces_:function(){return[]},getClass:function(){return _r}}),h(Mr,Sr),e(Mr.prototype,{getLine:function(){return this.line},interfaces_:function(){return[]},getClass:function(){return Mr}}),e(Dr.prototype,{visitInteriorRing:function(t,e){var n=t.getCoordinates(),i=n[0],r=Dr.findDifferentPoint(n,i),s=e.findEdgeInSameDirection(i,r),o=e.findEdgeEnd(s),a=null;o.getLabel().getLocation(0,cn.RIGHT)===L.INTERIOR?a=o:o.getSym().getLabel().getLocation(0,cn.RIGHT)===L.INTERIOR&&(a=o.getSym()),f.isTrue(null!==a,"unable to find dirEdge with Interior on RHS"),this.visitLinkedDirectedEdges(a)},visitShellInteriors:function(t,e){if(t instanceof Tt){var n=t;this.visitInteriorRing(n.getExteriorRing(),e)}if(t instanceof Ot)for(var i=t,r=0;r<i.getNumGeometries();r++){var n=i.getGeometryN(r);this.visitInteriorRing(n.getExteriorRing(),e)}},getCoordinate:function(){return this.disconnectedRingcoord},setInteriorEdgesInResult:function(t){for(var e=t.getEdgeEnds().iterator();e.hasNext();){var n=e.next();n.getLabel().getLocation(0,cn.RIGHT)===L.INTERIOR&&n.setInResult(!0)}},visitLinkedDirectedEdges:function(t){var e=t,n=t;do f.isTrue(null!==n,"found null Directed Edge"),n.setVisited(!0),n=n.getNext();while(n!==e)},buildEdgeRings:function(t){for(var e=new I,n=t.iterator();n.hasNext();){var i=n.next();if(i.isInResult()&&null===i.getEdgeRing()){var r=new vn(i,this.geometryFactory);r.linkDirectedEdgesForMinimalEdgeRings();var s=r.buildMinimalRings();e.addAll(s)}}return e},hasUnvisitedShellEdge:function(t){for(var e=0;e<t.size();e++){var n=t.get(e);if(!n.isHole()){var i=n.getEdges(),r=i.get(0);if(r.getLabel().getLocation(0,cn.RIGHT)===L.INTERIOR)for(var s=0;s<i.size();s++)if(r=i.get(s),!r.isVisited())return this.disconnectedRingcoord=r.getCoordinate(),!0}}return!1},isInteriorsConnected:function(){var t=new I;this.geomGraph.computeSplitEdges(t);var e=new Cn(new On);e.addEdges(t),this.setInteriorEdgesInResult(e),e.linkResultDirectedEdges();var n=this.buildEdgeRings(e.getEdgeEnds());return this.visitShellInteriors(this.geomGraph.getGeometry(),e),!this.hasUnvisitedShellEdge(n)},interfaces_:function(){return[]},getClass:function(){return Dr}}),Dr.findDifferentPoint=function(t,e){for(var n=0;n<t.length;n++)if(!t[n].equals(e))return t[n];return null},e(Ar.prototype,{createEdgeEndForNext:function(t,e,n,i){var r=n.segmentIndex+1;if(r>=t.getNumPoints()&&null===i)return null;var s=t.getCoordinate(r);null!==i&&i.segmentIndex===n.segmentIndex&&(s=i.coord);var o=new En(t,n.coord,s,new gn(t.getLabel()));e.add(o)},createEdgeEndForPrev:function(t,e,n,i){var r=n.segmentIndex;if(0===n.dist){if(0===r)return null;r--}var s=t.getCoordinate(r);null!==i&&i.segmentIndex>=r&&(s=i.coord);var o=new gn(t.getLabel());o.flip();var a=new En(t,n.coord,s,o);e.add(a)},computeEdgeEnds:function(){if(1===arguments.length){for(var t=arguments[0],e=new I,n=t;n.hasNext();){var i=n.next();this.computeEdgeEnds(i,e)}return e}if(2===arguments.length){var r=arguments[0],s=arguments[1],o=r.getEdgeIntersectionList();o.addEndpoints();var a=o.iterator(),u=null,l=null;if(!a.hasNext())return null;var h=a.next();do u=l,l=h,h=null,a.hasNext()&&(h=a.next()),null!==l&&(this.createEdgeEndForPrev(r,s,l,u),this.createEdgeEndForNext(r,s,l,h));while(null!==l)}},interfaces_:function(){return[]},getClass:function(){return Ar}}),h(Fr,En),e(Fr.prototype,{insert:function(t){this.edgeEnds.add(t)},print:function(t){t.println("EdgeEndBundle--> Label: "+this.label);for(var e=this.iterator();e.hasNext();){var n=e.next();n.print(t),t.println()}},iterator:function(){return this.edgeEnds.iterator()},getEdgeEnds:function(){return this.edgeEnds},computeLabelOn:function(t,e){for(var n=0,i=!1,r=this.iterator();r.hasNext();){var s=r.next(),o=s.getLabel().getLocation(t);o===L.BOUNDARY&&n++,o===L.INTERIOR&&(i=!0)}var o=L.NONE;i&&(o=L.INTERIOR),n>0&&(o=$n.determineBoundary(e,n)),this.label.setLocation(t,o)},computeLabelSide:function(t,e){for(var n=this.iterator();n.hasNext();){var i=n.next();if(i.getLabel().isArea()){var r=i.getLabel().getLocation(t,e);if(r===L.INTERIOR)return this.label.setLocation(t,e,L.INTERIOR),null;r===L.EXTERIOR&&this.label.setLocation(t,e,L.EXTERIOR)}}},getLabel:function(){return this.label},computeLabelSides:function(t){this.computeLabelSide(t,cn.LEFT),this.computeLabelSide(t,cn.RIGHT)},updateIM:function(t){Jn.updateIM(this.label,t)},computeLabel:function(t){for(var e=!1,n=this.iterator();n.hasNext();){var i=n.next();i.getLabel().isArea()&&(e=!0)}e?this.label=new gn(L.NONE,L.NONE,L.NONE):this.label=new gn(L.NONE);for(var r=0;r<2;r++)this.computeLabelOn(r,t),e&&this.computeLabelSides(r)},interfaces_:function(){return[]},getClass:function(){return Fr}}),h(Gr,Pn),e(Gr.prototype,{updateIM:function(t){for(var e=this.iterator();e.hasNext();){var n=e.next();n.updateIM(t)}},insert:function(t){var e=this.edgeMap.get(t);null===e?(e=new Fr(t),this.insertEdgeEnd(t,e)):e.insert(t)},interfaces_:function(){return[]},getClass:function(){return Gr}}),h(qr,yn),e(qr.prototype,{updateIMFromEdges:function(t){this.edges.updateIM(t)},computeIM:function(t){t.setAtLeastIfValid(this.label.getLocation(0),this.label.getLocation(1),0)},interfaces_:function(){return[]},getClass:function(){return qr}}),h(Br,Nn),e(Br.prototype,{createNode:function(t){return new qr(t,new Gr)},interfaces_:function(){return[]},getClass:function(){return Br}}),e(zr.prototype,{insertEdgeEnds:function(t){for(var e=t.iterator();e.hasNext();){var n=e.next();this.nodes.add(n)}},getNodeIterator:function(){return this.nodes.iterator()},copyNodesAndLabels:function(t,e){for(var n=t.getNodeIterator();n.hasNext();){var i=n.next(),r=this.nodes.addNode(i.getCoordinate());r.setLabel(e,i.getLabel().getLocation(e))}},build:function(t){this.computeIntersectionNodes(t,0),this.copyNodesAndLabels(t,0);var e=new Ar,n=e.computeEdgeEnds(t.getEdgeIterator());this.insertEdgeEnds(n)},computeIntersectionNodes:function(t,e){for(var n=t.getEdgeIterator();n.hasNext();)for(var i=n.next(),r=i.getLabel().getLocation(e),s=i.getEdgeIntersectionList().iterator();s.hasNext();){var o=s.next(),a=this.nodes.addNode(o.coord);r===L.BOUNDARY?a.setLabelBoundary(e):a.getLabel().isNull(e)&&a.setLabel(e,L.INTERIOR)}},interfaces_:function(){return[]},getClass:function(){return zr}}),e(Vr.prototype,{isNodeEdgeAreaLabelsConsistent:function(){for(var t=this.nodeGraph.getNodeIterator();t.hasNext();){var e=t.next();if(!e.getEdges().isAreaLabelsConsistent(this.geomGraph))return this.invalidPoint=e.getCoordinate().copy(),!1}return!0},getInvalidPoint:function(){return this.invalidPoint},hasDuplicateRings:function(){for(var t=this.nodeGraph.getNodeIterator();t.hasNext();)for(var e=t.next(),n=e.getEdges().iterator();n.hasNext();){var i=n.next();if(i.getEdgeEnds().size()>1)return this.invalidPoint=i.getEdge().getCoordinate(0),!0}return!1},isNodeConsistentArea:function(){var t=this.geomGraph.computeSelfNodes(this.li,!0,!0);return t.hasProperIntersection()?(this.invalidPoint=t.getProperIntersectionPoint(),!1):(this.nodeGraph.build(this.geomGraph),this.isNodeEdgeAreaLabelsConsistent())},interfaces_:function(){return[]},getClass:function(){return Vr}}),e(kr.prototype,{buildIndex:function(){this.index=new ke;for(var t=0;t<this.rings.size();t++){var e=this.rings.get(t),n=e.getEnvelopeInternal();this.index.insert(n,e)}},getNestedPoint:function(){return this.nestedPt},isNonNested:function(){this.buildIndex();for(var t=0;t<this.rings.size();t++)for(var e=this.rings.get(t),n=e.getCoordinates(),i=this.index.query(e.getEnvelopeInternal()),r=0;r<i.size();r++){var s=i.get(r),o=s.getCoordinates();if(e!==s&&e.getEnvelopeInternal().intersects(s.getEnvelopeInternal())){var a=Ur.findPtNotNode(n,s,this.graph);if(null!==a){var u=he.isPointInRing(a,o);if(u)return this.nestedPt=a,!1}}}return!0},add:function(t){this.rings.add(t),this.totalEnv.expandToInclude(t.getEnvelopeInternal())},interfaces_:function(){return[]},getClass:function(){return kr}}),e(Yr.prototype,{getErrorType:function(){return this.errorType},getMessage:function(){return Yr.errMsg[this.errorType]},getCoordinate:function(){return this.pt},toString:function(){var t="";return null!==this.pt&&(t=" at or near point "+this.pt),this.getMessage()+t},interfaces_:function(){return[]},getClass:function(){return Yr}}),Yr.ERROR=0,Yr.REPEATED_POINT=1,Yr.HOLE_OUTSIDE_SHELL=2,Yr.NESTED_HOLES=3,Yr.DISCONNECTED_INTERIOR=4,Yr.SELF_INTERSECTION=5,Yr.RING_SELF_INTERSECTION=6,Yr.NESTED_SHELLS=7,Yr.DUPLICATE_RINGS=8,Yr.TOO_FEW_POINTS=9,Yr.INVALID_COORDINATE=10,Yr.RING_NOT_CLOSED=11,Yr.errMsg=["Topology Validation Error","Repeated Point","Hole lies outside shell","Holes are nested","Interior is disconnected","Self-intersection","Ring Self-intersection","Nested shells","Duplicate Rings","Too few distinct points in geometry component","Invalid Coordinate","Ring is not closed"],e(Ur.prototype,{checkInvalidCoordinates:function(){if(arguments[0]instanceof Array){for(var t=arguments[0],e=0;e<t.length;e++)if(!Ur.isValid(t[e]))return this.validErr=new Yr(Yr.INVALID_COORDINATE,t[e]),null}else if(arguments[0]instanceof Tt){var n=arguments[0];if(this.checkInvalidCoordinates(n.getExteriorRing().getCoordinates()),null!==this.validErr)return null;for(var e=0;e<n.getNumInteriorRing();e++)if(this.checkInvalidCoordinates(n.getInteriorRingN(e).getCoordinates()),null!==this.validErr)return null}},checkHolesNotNested:function(t,e){for(var n=new kr(e),i=0;i<t.getNumInteriorRing();i++){var r=t.getInteriorRingN(i);n.add(r)}var s=n.isNonNested();s||(this.validErr=new Yr(Yr.NESTED_HOLES,n.getNestedPoint()))},checkConsistentArea:function(t){var e=new Vr(t),n=e.isNodeConsistentArea();return n?void(e.hasDuplicateRings()&&(this.validErr=new Yr(Yr.DUPLICATE_RINGS,e.getInvalidPoint()))):(this.validErr=new Yr(Yr.SELF_INTERSECTION,e.getInvalidPoint()),null)},isValid:function(){return this.checkValid(this.parentGeometry),null===this.validErr},checkShellInsideHole:function(t,e,n){var i=t.getCoordinates(),r=e.getCoordinates(),s=Ur.findPtNotNode(i,e,n);if(null!==s){var o=he.isPointInRing(s,r);if(!o)return s}var a=Ur.findPtNotNode(r,t,n);if(null!==a){var u=he.isPointInRing(a,i);return u?a:null}return f.shouldNeverReachHere("points in shell and hole appear to be equal"),null},checkNoSelfIntersectingRings:function(t){for(var e=t.getEdgeIterator();e.hasNext();){var n=e.next();if(this.checkNoSelfIntersectingRing(n.getEdgeIntersectionList()),null!==this.validErr)return null}},checkConnectedInteriors:function(t){var e=new Dr(t);e.isInteriorsConnected()||(this.validErr=new Yr(Yr.DISCONNECTED_INTERIOR,e.getCoordinate()))},checkNoSelfIntersectingRing:function(t){for(var e=new at,n=!0,i=t.iterator();i.hasNext();){var r=i.next();if(n)n=!1;else{if(e.contains(r.coord))return this.validErr=new Yr(Yr.RING_SELF_INTERSECTION,r.coord),null;e.add(r.coord)}}},checkHolesInShell:function(t,e){for(var n=t.getExteriorRing(),i=new Ii(n),r=0;r<t.getNumInteriorRing();r++){var s=t.getInteriorRingN(r),o=Ur.findPtNotNode(s.getCoordinates(),n,e);if(null===o)return null;var a=!i.isInside(o);if(a)return this.validErr=new Yr(Yr.HOLE_OUTSIDE_SHELL,o),null}},checkTooFewPoints:function(t){if(t.hasTooFewPoints())return this.validErr=new Yr(Yr.TOO_FEW_POINTS,t.getInvalidPoint()),null},getValidationError:function(){return this.checkValid(this.parentGeometry),this.validErr},checkValid:function(){if(arguments[0]instanceof Lt){var t=arguments[0];this.checkInvalidCoordinates(t.getCoordinates())}else if(arguments[0]instanceof Pt){var e=arguments[0];this.checkInvalidCoordinates(e.getCoordinates())}else if(arguments[0]instanceof bt){var n=arguments[0];if(this.checkInvalidCoordinates(n.getCoordinates()),null!==this.validErr)return null;if(this.checkClosedRing(n),null!==this.validErr)return null;var i=new $n(0,n);if(this.checkTooFewPoints(i),null!==this.validErr)return null;var r=new ae;i.computeSelfNodes(r,!0,!0),this.checkNoSelfIntersectingRings(i)}else if(arguments[0]instanceof St){var s=arguments[0];if(this.checkInvalidCoordinates(s.getCoordinates()),null!==this.validErr)return null;var i=new $n(0,s);this.checkTooFewPoints(i)}else if(arguments[0]instanceof Tt){var o=arguments[0];if(this.checkInvalidCoordinates(o),null!==this.validErr)return null;if(this.checkClosedRings(o),null!==this.validErr)return null;var i=new $n(0,o);if(this.checkTooFewPoints(i),null!==this.validErr)return null;if(this.checkConsistentArea(i),null!==this.validErr)return null;if(!this.isSelfTouchingRingFormingHoleValid&&(this.checkNoSelfIntersectingRings(i),null!==this.validErr))return null;if(this.checkHolesInShell(o,i),null!==this.validErr)return null;if(this.checkHolesNotNested(o,i),null!==this.validErr)return null;this.checkConnectedInteriors(i)}else if(arguments[0]instanceof Ot){for(var a=arguments[0],u=0;u<a.getNumGeometries();u++){var l=a.getGeometryN(u);if(this.checkInvalidCoordinates(l),null!==this.validErr)return null;if(this.checkClosedRings(l),null!==this.validErr)return null}var i=new $n(0,a);if(this.checkTooFewPoints(i),null!==this.validErr)return null;if(this.checkConsistentArea(i),null!==this.validErr)return null;if(!this.isSelfTouchingRingFormingHoleValid&&(this.checkNoSelfIntersectingRings(i),null!==this.validErr))return null;for(var u=0;u<a.getNumGeometries();u++){var l=a.getGeometryN(u);if(this.checkHolesInShell(l,i),null!==this.validErr)return null}for(var u=0;u<a.getNumGeometries();u++){var l=a.getGeometryN(u);if(this.checkHolesNotNested(l,i),null!==this.validErr)return null}if(this.checkShellsNotNested(a,i),null!==this.validErr)return null;this.checkConnectedInteriors(i)}else if(arguments[0]instanceof ft)for(var h=arguments[0],u=0;u<h.getNumGeometries();u++){var c=h.getGeometryN(u);if(this.checkValid(c),null!==this.validErr)return null}else if(arguments[0]instanceof B){var f=arguments[0];if(this.validErr=null,f.isEmpty())return null;if(f instanceof Lt)this.checkValid(f);else if(f instanceof Pt)this.checkValid(f);else if(f instanceof bt)this.checkValid(f);else if(f instanceof St)this.checkValid(f);else if(f instanceof Tt)this.checkValid(f);else if(f instanceof Ot)this.checkValid(f);else{if(!(f instanceof ft))throw new UnsupportedOperationException(f.getClass().getName());this.checkValid(f)}}},setSelfTouchingRingFormingHoleValid:function(t){this.isSelfTouchingRingFormingHoleValid=t},checkShellNotNested:function(t,e,n){var i=t.getCoordinates(),r=e.getExteriorRing(),s=r.getCoordinates(),o=Ur.findPtNotNode(i,r,n);if(null===o)return null;var a=he.isPointInRing(o,s);if(!a)return null;if(e.getNumInteriorRing()<=0)return this.validErr=new Yr(Yr.NESTED_SHELLS,o),null;for(var u=null,l=0;l<e.getNumInteriorRing();l++){var h=e.getInteriorRingN(l);if(u=this.checkShellInsideHole(t,h,n),null===u)return null}this.validErr=new Yr(Yr.NESTED_SHELLS,u)},checkClosedRings:function(t){if(this.checkClosedRing(t.getExteriorRing()),null!==this.validErr)return null;for(var e=0;e<t.getNumInteriorRing();e++)if(this.checkClosedRing(t.getInteriorRingN(e)),null!==this.validErr)return null},checkClosedRing:function(t){if(!t.isClosed()){var e=null;t.getNumPoints()>=1&&(e=t.getCoordinateN(0)),this.validErr=new Yr(Yr.RING_NOT_CLOSED,e)}},checkShellsNotNested:function(t,e){for(var n=0;n<t.getNumGeometries();n++)for(var i=t.getGeometryN(n),r=i.getExteriorRing(),s=0;s<t.getNumGeometries();s++)if(n!==s){var o=t.getGeometryN(s);if(this.checkShellNotNested(r,o,e),null!==this.validErr)return null}},interfaces_:function(){return[]},getClass:function(){return Ur}}),Ur.findPtNotNode=function(t,e,n){for(var i=n.findEdge(e),r=i.getEdgeIntersectionList(),s=0;s<t.length;s++){var o=t[s];if(!r.isIntersection(o))return o}return null},Ur.isValid=function(){if(arguments[0]instanceof B){var t=arguments[0],e=new Ur(t);return e.isValid()}if(arguments[0]instanceof g){var n=arguments[0];return!r.isNaN(n.x)&&(!r.isInfinite(n.x)&&(!r.isNaN(n.y)&&!r.isInfinite(n.y)))}},e(Xr.prototype,{isIncluded:function(){return this._isIncluded},getCoordinates:function(){if(null===this.ringPts){for(var t=new N,e=this.deList.iterator();e.hasNext();){var n=e.next(),i=n.getEdge();Xr.addEdge(i.getLine().getCoordinates(),n.getEdgeDirection(),t)}this.ringPts=t.toCoordinateArray()}return this.ringPts},isIncludedSet:function(){return this._isIncludedSet},isValid:function(){return this.getCoordinates(),!(this.ringPts.length<=3)&&(this.getRing(),Ur.isValid(this.ring))},build:function(t){var e=t;do this.add(e),e.setRing(this),e=e.getNext(),f.isTrue(null!==e,"found null DE in ring"),f.isTrue(e===t||!e.isInRing(),"found DE already in ring");while(e!==t)},isOuterHole:function(){return!!this._isHole&&!this.hasShell()},getPolygon:function(){var t=null;if(null!==this.holes){t=new Array(this.holes.size()).fill(null);for(var e=0;e<this.holes.size();e++)t[e]=this.holes.get(e)}var n=this.factory.createPolygon(this.ring,t);return n},isHole:function(){return this._isHole},isProcessed:function(){return this._isProcessed},addHole:function(){if(arguments[0]instanceof bt){var t=arguments[0];null===this.holes&&(this.holes=new I),this.holes.add(t)}else if(arguments[0]instanceof Xr){var e=arguments[0];e.setShell(this);var n=e.getRing();null===this.holes&&(this.holes=new I),this.holes.add(n)}},setIncluded:function(t){this._isIncluded=t,this._isIncludedSet=!0},getOuterHole:function(){if(this.isHole())return null;for(var t=0;t<this.deList.size();t++){var e=this.deList.get(t),n=e.getSym().getRing();if(n.isOuterHole())return n}return null},computeHole:function(){var t=this.getRing();this._isHole=he.isCCW(t.getCoordinates())},hasShell:function(){return null!==this.shell},isOuterShell:function(){return null!==this.getOuterHole()},getLineString:function(){return this.getCoordinates(),this.factory.createLineString(this.ringPts)},toString:function(){return se.toLineString(new Gt(this.getCoordinates()))},getShell:function(){return this.isHole()?this.shell:this},add:function(t){this.deList.add(t)},getRing:function(){if(null!==this.ring)return this.ring;this.getCoordinates(),this.ringPts.length<3&&A.out.println(this.ringPts);try{this.ring=this.factory.createLinearRing(this.ringPts)}catch(t){if(!(t instanceof S))throw t;A.out.println(this.ringPts)}finally{}return this.ring},updateIncluded:function(){if(this.isHole())return null;for(var t=0;t<this.deList.size();t++){var e=this.deList.get(t),n=e.getSym().getRing().getShell();if(null!==n&&n.isIncludedSet())return this.setIncluded(!n.isIncluded()),null}},setShell:function(t){this.shell=t},setProcessed:function(t){this._isProcessed=t},interfaces_:function(){return[]},getClass:function(){return Xr}}),Xr.findDirEdgesInRing=function(t){var e=t,n=new I;do n.add(e),e=e.getNext(),f.isTrue(null!==e,"found null DE in ring"),f.isTrue(e===t||!e.isInRing(),"found DE already in ring");while(e!==t);return n},Xr.addEdge=function(t,e,n){if(e)for(var i=0;i<t.length;i++)n.add(t[i],!1);else for(var i=t.length-1;i>=0;i--)n.add(t[i],!1)},Xr.findEdgeRingContaining=function(t,e){for(var n=t.getRing(),i=n.getEnvelopeInternal(),r=n.getCoordinateN(0),s=null,o=null,a=e.iterator();a.hasNext();){var u=a.next(),l=u.getRing(),h=l.getEnvelopeInternal();if(!h.equals(i)&&h.contains(i)){r=H.ptNotInList(n.getCoordinates(),l.getCoordinates());var c=!1;he.isPointInRing(r,l.getCoordinates())&&(c=!0),c&&(null===s||o.contains(h))&&(s=u,o=s.getRing().getEnvelopeInternal())}}return s},e(Hr.prototype,{compare:function(t,e){var n=t,i=e;return n.getRing().getEnvelope().compareTo(i.getRing().getEnvelope())},interfaces_:function(){return[a]},getClass:function(){return Hr}}),Xr.EnvelopeComparator=Hr,h(Wr,Pr),e(Wr.prototype,{findEdgeRing:function(t){var e=new Xr(this.factory);return e.build(t),e},computeDepthParity:function(){if(0===arguments.length)for(;;){var t=null;if(null===t)return null;this.computeDepthParity(t)}else if(1===arguments.length){arguments[0]}},computeNextCWEdges:function(){for(var t=this.nodeIterator();t.hasNext();){var e=t.next();Wr.computeNextCWEdges(e)}},addEdge:function(t){if(t.isEmpty())return null;var e=H.removeRepeatedPoints(t.getCoordinates());if(e.length<2)return null;var n=e[0],i=e[e.length-1],r=this.getNode(n),s=this.getNode(i),o=new _r(r,s,e[1],(!0)),a=new _r(s,r,e[e.length-2],(!1)),u=new Mr(t);u.setDirectedEdges(o,a),this.add(u)},deleteCutEdges:function(){this.computeNextCWEdges(),Wr.findLabeledEdgeRings(this.dirEdges);for(var t=new I,e=this.dirEdges.iterator();e.hasNext();){var n=e.next();if(!n.isMarked()){var i=n.getSym();if(n.getLabel()===i.getLabel()){n.setMarked(!0),i.setMarked(!0);var r=n.getEdge();t.add(r.getLine())}}}return t},getEdgeRings:function(){this.computeNextCWEdges(),Wr.label(this.dirEdges,-1);var t=Wr.findLabeledEdgeRings(this.dirEdges);this.convertMaximalToMinimalEdgeRings(t);for(var e=new I,n=this.dirEdges.iterator();n.hasNext();){var i=n.next();if(!i.isMarked()&&!i.isInRing()){var r=this.findEdgeRing(i);e.add(r)}}return e},getNode:function(t){var e=this.findNode(t);return null===e&&(e=new Lr(t),this.add(e)),e},convertMaximalToMinimalEdgeRings:function(t){for(var e=t.iterator();e.hasNext();){var n=e.next(),i=n.getLabel(),r=Wr.findIntersectionNodes(n,i);if(null!==r)for(var s=r.iterator();s.hasNext();){var o=s.next();Wr.computeNextCCWEdges(o,i)}}},deleteDangles:function(){for(var t=this.findNodesOfDegree(1),e=new J,n=new pe,i=t.iterator();i.hasNext();)n.push(i.next());for(;!n.isEmpty();){var r=n.pop();Wr.deleteAllEdges(r);for(var s=r.getOutEdges().getEdges(),i=s.iterator();i.hasNext();){var o=i.next();o.setMarked(!0);var a=o.getSym();null!==a&&a.setMarked(!0);var u=o.getEdge();e.add(u.getLine());var l=o.getToNode();1===Wr.getDegreeNonDeleted(l)&&n.push(l)}}return e},interfaces_:function(){return[]},getClass:function(){return Wr}}),Wr.findLabeledEdgeRings=function(t){for(var e=new I,n=1,i=t.iterator();i.hasNext();){var r=i.next();if(!(r.isMarked()||r.getLabel()>=0)){e.add(r);var s=Xr.findDirEdgesInRing(r);Wr.label(s,n),n++}}return e},Wr.getDegreeNonDeleted=function(t){for(var e=t.getOutEdges().getEdges(),n=0,i=e.iterator();i.hasNext();){var r=i.next();r.isMarked()||n++}return n},Wr.deleteAllEdges=function(t){for(var e=t.getOutEdges().getEdges(),n=e.iterator();n.hasNext();){var i=n.next();i.setMarked(!0);var r=i.getSym();null!==r&&r.setMarked(!0)}},Wr.label=function(t,e){for(var n=t.iterator();n.hasNext();){var i=n.next();i.setLabel(e)}},Wr.computeNextCWEdges=function(t){for(var e=t.getOutEdges(),n=null,i=null,r=e.getEdges().iterator();r.hasNext();){var s=r.next();if(!s.isMarked()){if(null===n&&(n=s),null!==i){var o=i.getSym();o.setNext(s)}i=s}}if(null!==i){var o=i.getSym();o.setNext(n)}},Wr.computeNextCCWEdges=function(t,e){for(var n=t.getOutEdges(),i=null,r=null,s=n.getEdges(),o=s.size()-1;o>=0;o--){var a=s.get(o),u=a.getSym(),l=null;a.getLabel()===e&&(l=a);var h=null;u.getLabel()===e&&(h=u),null===l&&null===h||(null!==h&&(r=h),null!==l&&(null!==r&&(r.setNext(l),r=null),null===i&&(i=l)))}null!==r&&(f.isTrue(null!==i),r.setNext(i))},Wr.getDegree=function(t,e){for(var n=t.getOutEdges().getEdges(),i=0,r=n.iterator();r.hasNext();){var s=r.next();s.getLabel()===e&&i++}return i},Wr.findIntersectionNodes=function(t,e){var n=t,i=null;do{var r=n.getFromNode();Wr.getDegree(r,e)>1&&(null===i&&(i=new I),i.add(r)),n=n.getNext(),f.isTrue(null!==n,"found null DE in ring"),f.isTrue(n===t||!n.isInRing(),"found DE already in ring")}while(n!==t);return i},e(jr.prototype,{getGeometry:function(){return null===this.geomFactory&&(this.geomFactory=new ie),this.polygonize(),this.extractOnlyPolygonal?this.geomFactory.buildGeometry(this.polyList):this.geomFactory.createGeometryCollection(ie.toGeometryArray(this.polyList))},getInvalidRingLines:function(){return this.polygonize(),this.invalidRingLines},findValidRings:function(t,e,n){for(var i=t.iterator();i.hasNext();){var r=i.next();r.isValid()?e.add(r):n.add(r.getLineString())}},polygonize:function(){if(null!==this.polyList)return null;
if(this.polyList=new I,null===this.graph)return null;this.dangles=this.graph.deleteDangles(),this.cutEdges=this.graph.deleteCutEdges();var t=this.graph.getEdgeRings(),e=new I;this.invalidRingLines=new I,this.isCheckingRingsValid?this.findValidRings(t,e,this.invalidRingLines):e=t,this.findShellsAndHoles(e),jr.assignHolesToShells(this.holeList,this.shellList),ho.sort(this.shellList,new Xr.EnvelopeComparator);var n=!0;this.extractOnlyPolygonal&&(jr.findDisjointShells(this.shellList),n=!1),this.polyList=jr.extractPolygons(this.shellList,n)},getDangles:function(){return this.polygonize(),this.dangles},getCutEdges:function(){return this.polygonize(),this.cutEdges},getPolygons:function(){return this.polygonize(),this.polyList},add:function(){if(R(arguments[0],v))for(var t=arguments[0],e=t.iterator();e.hasNext();){var n=e.next();this.add(n)}else if(arguments[0]instanceof St){var i=arguments[0];this.geomFactory=i.getFactory(),null===this.graph&&(this.graph=new Wr(this.geomFactory)),this.graph.addEdge(i)}else if(arguments[0]instanceof B){var r=arguments[0];r.apply(this.lineStringAdder)}},setCheckRingsValid:function(t){this.isCheckingRingsValid=t},findShellsAndHoles:function(t){this.holeList=new I,this.shellList=new I;for(var e=t.iterator();e.hasNext();){var n=e.next();n.computeHole(),n.isHole()?this.holeList.add(n):this.shellList.add(n)}},interfaces_:function(){return[]},getClass:function(){return jr}}),jr.findOuterShells=function(t){for(var e=t.iterator();e.hasNext();){var n=e.next(),i=n.getOuterHole();null===i||i.isProcessed()||(n.setIncluded(!0),i.setProcessed(!0))}},jr.extractPolygons=function(t,e){for(var n=new I,i=t.iterator();i.hasNext();){var r=i.next();(e||r.isIncluded())&&n.add(r.getPolygon())}return n},jr.assignHolesToShells=function(t,e){for(var n=t.iterator();n.hasNext();){var i=n.next();jr.assignHoleToShell(i,e)}},jr.assignHoleToShell=function(t,e){var n=Xr.findEdgeRingContaining(t,e);null!==n&&n.addHole(t)},jr.findDisjointShells=function(t){jr.findOuterShells(t);var e=null;do{e=!1;for(var n=t.iterator();n.hasNext();){var i=n.next();i.isIncludedSet()||(i.updateIncluded(),i.isIncludedSet()||(e=!0))}}while(e)},e(Kr.prototype,{filter:function(t){t instanceof St&&this.p.add(t)},interfaces_:function(){return[q]},getClass:function(){return Kr}}),jr.LineStringAdder=Kr;var To=Object.freeze({Polygonizer:jr});e(Zr.prototype,{insertEdgeEnds:function(t){for(var e=t.iterator();e.hasNext();){var n=e.next();this.nodes.add(n)}},computeProperIntersectionIM:function(t,e){var n=this.arg[0].getGeometry().getDimension(),i=this.arg[1].getGeometry().getDimension(),r=t.hasProperIntersection(),s=t.hasProperInteriorIntersection();2===n&&2===i?r&&e.setAtLeast("212101212"):2===n&&1===i?(r&&e.setAtLeast("FFF0FFFF2"),s&&e.setAtLeast("1FFFFF1FF")):1===n&&2===i?(r&&e.setAtLeast("F0FFFFFF2"),s&&e.setAtLeast("1F1FFFFFF")):1===n&&1===i&&s&&e.setAtLeast("0FFFFFFFF")},labelIsolatedEdges:function(t,e){for(var n=this.arg[t].getEdgeIterator();n.hasNext();){var i=n.next();i.isIsolated()&&(this.labelIsolatedEdge(i,e,this.arg[e].getGeometry()),this.isolatedEdges.add(i))}},labelIsolatedEdge:function(t,e,n){if(n.getDimension()>0){var i=this.ptLocator.locate(t.getCoordinate(),n);t.getLabel().setAllLocations(e,i)}else t.getLabel().setAllLocations(e,L.EXTERIOR)},computeIM:function(){var t=new fe;if(t.set(L.EXTERIOR,L.EXTERIOR,2),!this.arg[0].getGeometry().getEnvelopeInternal().intersects(this.arg[1].getGeometry().getEnvelopeInternal()))return this.computeDisjointIM(t),t;this.arg[0].computeSelfNodes(this.li,!1),this.arg[1].computeSelfNodes(this.li,!1);var e=this.arg[0].computeEdgeIntersections(this.arg[1],this.li,!1);this.computeIntersectionNodes(0),this.computeIntersectionNodes(1),this.copyNodesAndLabels(0),this.copyNodesAndLabels(1),this.labelIsolatedNodes(),this.computeProperIntersectionIM(e,t);var n=new Ar,i=n.computeEdgeEnds(this.arg[0].getEdgeIterator());this.insertEdgeEnds(i);var r=n.computeEdgeEnds(this.arg[1].getEdgeIterator());return this.insertEdgeEnds(r),this.labelNodeEdges(),this.labelIsolatedEdges(0,1),this.labelIsolatedEdges(1,0),this.updateIM(t),t},labelNodeEdges:function(){for(var t=this.nodes.iterator();t.hasNext();){var e=t.next();e.getEdges().computeLabelling(this.arg)}},copyNodesAndLabels:function(t){for(var e=this.arg[t].getNodeIterator();e.hasNext();){var n=e.next(),i=this.nodes.addNode(n.getCoordinate());i.setLabel(t,n.getLabel().getLocation(t))}},labelIntersectionNodes:function(t){for(var e=this.arg[t].getEdgeIterator();e.hasNext();)for(var n=e.next(),i=n.getLabel().getLocation(t),r=n.getEdgeIntersectionList().iterator();r.hasNext();){var s=r.next(),o=this.nodes.find(s.coord);o.getLabel().isNull(t)&&(i===L.BOUNDARY?o.setLabelBoundary(t):o.setLabel(t,L.INTERIOR))}},labelIsolatedNode:function(t,e){var n=this.ptLocator.locate(t.getCoordinate(),this.arg[e].getGeometry());t.getLabel().setAllLocations(e,n)},computeIntersectionNodes:function(t){for(var e=this.arg[t].getEdgeIterator();e.hasNext();)for(var n=e.next(),i=n.getLabel().getLocation(t),r=n.getEdgeIntersectionList().iterator();r.hasNext();){var s=r.next(),o=this.nodes.addNode(s.coord);i===L.BOUNDARY?o.setLabelBoundary(t):o.getLabel().isNull(t)&&o.setLabel(t,L.INTERIOR)}},labelIsolatedNodes:function(){for(var t=this.nodes.iterator();t.hasNext();){var e=t.next(),n=e.getLabel();f.isTrue(n.getGeometryCount()>0,"node with empty label found"),e.isIsolated()&&(n.isNull(0)?this.labelIsolatedNode(e,0):this.labelIsolatedNode(e,1))}},updateIM:function(t){for(var e=this.isolatedEdges.iterator();e.hasNext();){var n=e.next();n.updateIM(t)}for(var i=this.nodes.iterator();i.hasNext();){var r=i.next();r.updateIM(t),r.updateIMFromEdges(t)}},computeDisjointIM:function(t){var e=this.arg[0].getGeometry();e.isEmpty()||(t.set(L.INTERIOR,L.EXTERIOR,e.getDimension()),t.set(L.BOUNDARY,L.EXTERIOR,e.getBoundaryDimension()));var n=this.arg[1].getGeometry();n.isEmpty()||(t.set(L.EXTERIOR,L.INTERIOR,n.getDimension()),t.set(L.EXTERIOR,L.BOUNDARY,n.getBoundaryDimension()))},interfaces_:function(){return[]},getClass:function(){return Zr}}),e(Qr.prototype,{isContainedInBoundary:function(t){if(t instanceof Tt)return!1;if(t instanceof Lt)return this.isPointContainedInBoundary(t);if(t instanceof St)return this.isLineStringContainedInBoundary(t);for(var e=0;e<t.getNumGeometries();e++){var n=t.getGeometryN(e);if(!this.isContainedInBoundary(n))return!1}return!0},isLineSegmentContainedInBoundary:function(t,e){if(t.equals(e))return this.isPointContainedInBoundary(t);if(t.x===e.x){if(t.x===this.rectEnv.getMinX()||t.x===this.rectEnv.getMaxX())return!0}else if(t.y===e.y&&(t.y===this.rectEnv.getMinY()||t.y===this.rectEnv.getMaxY()))return!0;return!1},isLineStringContainedInBoundary:function(t){for(var e=t.getCoordinateSequence(),n=new g,i=new g,r=0;r<e.size()-1;r++)if(e.getCoordinate(r,n),e.getCoordinate(r+1,i),!this.isLineSegmentContainedInBoundary(n,i))return!1;return!0},isPointContainedInBoundary:function(){if(arguments[0]instanceof Lt){var t=arguments[0];return this.isPointContainedInBoundary(t.getCoordinate())}if(arguments[0]instanceof g){var e=arguments[0];return e.x===this.rectEnv.getMinX()||e.x===this.rectEnv.getMaxX()||e.y===this.rectEnv.getMinY()||e.y===this.rectEnv.getMaxY()}},contains:function(t){return!!this.rectEnv.contains(t.getEnvelopeInternal())&&!this.isContainedInBoundary(t)},interfaces_:function(){return[]},getClass:function(){return Qr}}),Qr.contains=function(t,e){var n=new Qr(t);return n.contains(e)},e(Jr.prototype,{intersects:function(t,e){var n=new C(t,e);if(!this.rectEnv.intersects(n))return!1;if(this.rectEnv.intersects(t))return!0;if(this.rectEnv.intersects(e))return!0;if(t.compareTo(e)>0){var i=t;t=e,e=i}var r=!1;return e.y>t.y&&(r=!0),r?this.li.computeIntersection(t,e,this.diagDown0,this.diagDown1):this.li.computeIntersection(t,e,this.diagUp0,this.diagUp1),!!this.li.hasIntersection()},interfaces_:function(){return[]},getClass:function(){return Jr}}),e($r.prototype,{applyTo:function(t){for(var e=0;e<t.getNumGeometries()&&!this._isDone;e++){var n=t.getGeometryN(e);if(n instanceof ft)this.applyTo(n);else if(this.visit(n),this.isDone())return this._isDone=!0,null}},interfaces_:function(){return[]},getClass:function(){return $r}}),e(ts.prototype,{intersects:function(t){if(!this.rectEnv.intersects(t.getEnvelopeInternal()))return!1;var e=new es(this.rectEnv);if(e.applyTo(t),e.intersects())return!0;var n=new ns(this.rectangle);if(n.applyTo(t),n.containsPoint())return!0;var i=new is(this.rectangle);return i.applyTo(t),!!i.intersects()},interfaces_:function(){return[]},getClass:function(){return ts}}),ts.intersects=function(t,e){var n=new ts(t);return n.intersects(e)},h(es,$r),e(es.prototype,{isDone:function(){return this._intersects===!0},visit:function(t){var e=t.getEnvelopeInternal();return this.rectEnv.intersects(e)?this.rectEnv.contains(e)?(this._intersects=!0,null):e.getMinX()>=this.rectEnv.getMinX()&&e.getMaxX()<=this.rectEnv.getMaxX()?(this._intersects=!0,null):e.getMinY()>=this.rectEnv.getMinY()&&e.getMaxY()<=this.rectEnv.getMaxY()?(this._intersects=!0,null):void 0:null},intersects:function(){return this._intersects},interfaces_:function(){return[]},getClass:function(){return es}}),h(ns,$r),e(ns.prototype,{isDone:function(){return this._containsPoint===!0},visit:function(t){if(!(t instanceof Tt))return null;var e=t.getEnvelopeInternal();if(!this.rectEnv.intersects(e))return null;for(var n=new g,i=0;i<4;i++)if(this.rectSeq.getCoordinate(i,n),e.contains(n)&&Tn.containsPointInPolygon(n,t))return this._containsPoint=!0,null},containsPoint:function(){return this._containsPoint},interfaces_:function(){return[]},getClass:function(){return ns}}),h(is,$r),e(is.prototype,{intersects:function(){return this.hasIntersection},isDone:function(){return this.hasIntersection===!0},visit:function(t){var e=t.getEnvelopeInternal();if(!this.rectEnv.intersects(e))return null;var n=kn.getLines(t);this.checkIntersectionWithLineStrings(n)},checkIntersectionWithLineStrings:function(t){for(var e=t.iterator();e.hasNext();){var n=e.next();if(this.checkIntersectionWithSegments(n),this.hasIntersection)return null}},checkIntersectionWithSegments:function(t){for(var e=t.getCoordinateSequence(),n=1;n<e.size();n++)if(e.getCoordinate(n-1,this.p0),e.getCoordinate(n,this.p1),this.rectIntersector.intersects(this.p0,this.p1))return this.hasIntersection=!0,null},interfaces_:function(){return[]},getClass:function(){return is}}),h(rs,ti),e(rs.prototype,{getIntersectionMatrix:function(){return this._relate.computeIM()},interfaces_:function(){return[]},getClass:function(){return rs}}),rs.covers=function(t,e){return!!t.getEnvelopeInternal().covers(e.getEnvelopeInternal())&&(!!t.isRectangle()||rs.relate(t,e).isCovers())},rs.intersects=function(t,e){return!!t.getEnvelopeInternal().intersects(e.getEnvelopeInternal())&&(t.isRectangle()?ts.intersects(t,e):e.isRectangle()?ts.intersects(e,t):rs.relate(t,e).isIntersects())},rs.touches=function(t,e){return!!t.getEnvelopeInternal().intersects(e.getEnvelopeInternal())&&rs.relate(t,e).isTouches(t.getDimension(),e.getDimension())},rs.within=function(t,e){return e.contains(t)},rs.coveredBy=function(t,e){return rs.covers(e,t)},rs.relate=function(){if(2===arguments.length){var t=arguments[0],e=arguments[1],n=new rs(t,e),i=n.getIntersectionMatrix();return i}if(3===arguments.length){if("string"==typeof arguments[2]&&arguments[0]instanceof B&&arguments[1]instanceof B){var r=arguments[0],s=arguments[1],o=arguments[2];return rs.relateWithCheck(r,s).matches(o)}if(R(arguments[2],V)&&arguments[0]instanceof B&&arguments[1]instanceof B){var a=arguments[0],u=arguments[1],l=arguments[2],n=new rs(a,u,l),i=n.getIntersectionMatrix();return i}}},rs.overlaps=function(t,e){return!!t.getEnvelopeInternal().intersects(e.getEnvelopeInternal())&&rs.relate(t,e).isOverlaps(t.getDimension(),e.getDimension())},rs.disjoint=function(t,e){return!t.intersects(e)},rs.relateWithCheck=function(t,e){return t.checkNotGeometryCollection(t),t.checkNotGeometryCollection(e),rs.relate(t,e)},rs.crosses=function(t,e){return!!t.getEnvelopeInternal().intersects(e.getEnvelopeInternal())&&rs.relate(t,e).isCrosses(t.getDimension(),e.getDimension())},rs.contains=function(t,e){return!!t.getEnvelopeInternal().contains(e.getEnvelopeInternal())&&(t.isRectangle()?Qr.contains(t,e):rs.relate(t,e).isContains())};var Po=Object.freeze({RelateOp:rs});e(ss.prototype,{extractElements:function(t,e){if(null===t)return null;for(var n=0;n<t.getNumGeometries();n++){var i=t.getGeometryN(n);this.skipEmpty&&i.isEmpty()||e.add(i)}},combine:function(){for(var t=new I,e=this.inputGeoms.iterator();e.hasNext();){var n=e.next();this.extractElements(n,t)}return 0===t.size()?null!==this.geomFactory?this.geomFactory.createGeometryCollection(null):null:this.geomFactory.buildGeometry(t)},interfaces_:function(){return[]},getClass:function(){return ss}}),ss.combine=function(){if(1===arguments.length){var t=arguments[0],e=new ss(t);return e.combine()}if(2===arguments.length){var n=arguments[0],i=arguments[1],e=new ss(ss.createList(n,i));return e.combine()}if(3===arguments.length){var r=arguments[0],s=arguments[1],o=arguments[2],e=new ss(ss.createList(r,s,o));return e.combine()}},ss.extractFactory=function(t){return t.isEmpty()?null:t.iterator().next().getFactory()},ss.createList=function(){if(2===arguments.length){var t=arguments[0],e=arguments[1],n=new I;return n.add(t),n.add(e),n}if(3===arguments.length){var i=arguments[0],r=arguments[1],s=arguments[2],n=new I;return n.add(i),n.add(r),n.add(s),n}},e(os.prototype,{union:function(){for(var t=new Te,e=new at,n=0;n<this.pointGeom.getNumGeometries();n++){var i=this.pointGeom.getGeometryN(n),r=i.getCoordinate(),s=t.locate(r,this.otherGeom);s===L.EXTERIOR&&e.add(r)}if(0===e.size())return this.otherGeom;var o=null,a=H.toCoordinateArray(e);return o=1===a.length?this.geomFact.createPoint(a[0]):this.geomFact.createMultiPointFromCoords(a),ss.combine(o,this.otherGeom)},interfaces_:function(){return[]},getClass:function(){return os}}),os.union=function(t,e){var n=new os(t,e);return n.union()},e(as.prototype,{filter:function(t){this.sortIndex!==-1&&t.getSortIndex()!==this.sortIndex||this.comps.add(t)},interfaces_:function(){return[ht]},getClass:function(){return as}}),as.extract=function(){if(2===arguments.length){var t=arguments[0],e=arguments[1];return as.extract(t,e,new I)}if(3===arguments.length){var n=arguments[0],i=arguments[1],r=arguments[2];return n.getSortIndex()===i?r.add(n):n instanceof ft&&n.apply(new as(i,r)),r}},e(us.prototype,{reduceToGeometries:function(t){for(var e=new I,n=t.iterator();n.hasNext();){var i=n.next(),r=null;R(i,y)?r=this.unionTree(i):i instanceof B&&(r=i),e.add(r)}return e},extractByEnvelope:function(t,e,n){for(var i=new I,r=0;r<e.getNumGeometries();r++){var s=e.getGeometryN(r);s.getEnvelopeInternal().intersects(t)?i.add(s):n.add(s)}return this.geomFactory.buildGeometry(i)},unionOptimized:function(t,e){var n=t.getEnvelopeInternal(),i=e.getEnvelopeInternal();if(!n.intersects(i)){var r=ss.combine(t,e);return r}if(t.getNumGeometries()<=1&&e.getNumGeometries()<=1)return this.unionActual(t,e);var s=n.intersection(i);return this.unionUsingEnvelopeIntersection(t,e,s)},union:function(){if(null===this.inputPolys)throw new IllegalStateException("union() method cannot be called twice");if(this.inputPolys.isEmpty())return null;this.geomFactory=this.inputPolys.iterator().next().getFactory();for(var t=new ke(us.STRTREE_NODE_CAPACITY),e=this.inputPolys.iterator();e.hasNext();){var n=e.next();t.insert(n.getEnvelopeInternal(),n)}this.inputPolys=null;var i=t.itemsTree(),r=this.unionTree(i);return r},binaryUnion:function(){if(1===arguments.length){var t=arguments[0];return this.binaryUnion(t,0,t.size())}if(3===arguments.length){var e=arguments[0],n=arguments[1],i=arguments[2];if(i-n<=1){var r=us.getGeometry(e,n);return this.unionSafe(r,null)}if(i-n===2)return this.unionSafe(us.getGeometry(e,n),us.getGeometry(e,n+1));var s=Math.trunc((i+n)/2),r=this.binaryUnion(e,n,s),o=this.binaryUnion(e,s,i);return this.unionSafe(r,o)}},repeatedUnion:function(t){for(var e=null,n=t.iterator();n.hasNext();){var i=n.next();e=null===e?i.copy():e.union(i)}return e},unionSafe:function(t,e){return null===t&&null===e?null:null===t?e.copy():null===e?t.copy():this.unionOptimized(t,e)},unionActual:function(t,e){return us.restrictToPolygons(t.union(e))},unionTree:function(t){var e=this.reduceToGeometries(t),n=this.binaryUnion(e);return n},unionUsingEnvelopeIntersection:function(t,e,n){var i=new I,r=this.extractByEnvelope(n,t,i),s=this.extractByEnvelope(n,e,i),o=this.unionActual(r,s);i.add(o);var a=ss.combine(i);return a},bufferUnion:function(){if(1===arguments.length){var t=arguments[0],e=t.get(0).getFactory(),n=e.buildGeometry(t),i=n.buffer(0);return i}if(2===arguments.length){var r=arguments[0],s=arguments[1],e=r.getFactory(),n=e.createGeometryCollection([r,s]),i=n.buffer(0);return i}},interfaces_:function(){return[]},getClass:function(){return us}}),us.restrictToPolygons=function(t){if(R(t,Rt))return t;var e=pr.getPolygons(t);return 1===e.size()?e.get(0):t.getFactory().createMultiPolygon(ie.toPolygonArray(e))},us.getGeometry=function(t,e){return e>=t.size()?null:t.get(e)},us.union=function(t){var e=new us(t);return e.union()},us.STRTREE_NODE_CAPACITY=4,e(ls.prototype,{unionNoOpt:function(t){var e=this.geomFact.createPoint();return si.overlayOp(t,e,ii.UNION)},unionWithNull:function(t,e){return null===t&&null===e?null:null===e?t:null===t?e:t.union(e)},extract:function(){if(R(arguments[0],v))for(var t=arguments[0],e=t.iterator();e.hasNext();){var n=e.next();this.extract(n)}else if(arguments[0]instanceof B){var i=arguments[0];null===this.geomFact&&(this.geomFact=i.getFactory()),as.extract(i,B.SORTINDEX_POLYGON,this.polygons),as.extract(i,B.SORTINDEX_LINESTRING,this.lines),as.extract(i,B.SORTINDEX_POINT,this.points)}},union:function t(){if(null===this.geomFact)return null;var e=null;if(this.points.size()>0){var n=this.geomFact.buildGeometry(this.points);e=this.unionNoOpt(n)}var i=null;if(this.lines.size()>0){var r=this.geomFact.buildGeometry(this.lines);i=this.unionNoOpt(r)}var s=null;this.polygons.size()>0&&(s=us.union(this.polygons));var o=this.unionWithNull(i,s),t=null;return t=null===e?o:null===o?e:os.union(e,o),null===t?this.geomFact.createGeometryCollection():t},interfaces_:function(){return[]},getClass:function(){return ls}}),ls.union=function(){if(1===arguments.length){if(R(arguments[0],v)){var t=arguments[0],e=new ls(t);return e.union()}if(arguments[0]instanceof B){var n=arguments[0],e=new ls(n);return e.union()}}else if(2===arguments.length){var i=arguments[0],r=arguments[1],e=new ls(i,r);return e.union()}};var bo=Object.freeze({UnaryUnionOp:ls}),Oo=Object.freeze({IsValidOp:Ur,ConsistentAreaTester:Vr}),_o=Object.freeze({BoundaryOp:dt,IsSimpleOp:Wi,buffer:So,distance:wo,linemerge:Lo,overlay:Ro,polygonize:To,relate:Po,union:bo,valid:Oo});h(hs,_t.CoordinateOperation),e(hs.prototype,{editCoordinates:function(t,e){if(0===t.length)return null;for(var n=new Array(t.length).fill(null),i=0;i<t.length;i++){var r=new g(t[i]);this.targetPM.makePrecise(r),n[i]=r}var s=new N(n,(!1)),o=s.toCoordinateArray(),a=0;e instanceof St&&(a=2),e instanceof bt&&(a=4);var u=n;return this.removeCollapsed&&(u=null),o.length<a?u:o},interfaces_:function(){return[]},getClass:function(){return hs}}),e(cs.prototype,{fixPolygonalTopology:function(t){var e=t;this.changePrecisionModel||(e=this.changePM(t,this.targetPM));var n=e.buffer(0),i=n;return this.changePrecisionModel||(i=this.changePM(n,t.getPrecisionModel())),i},reducePointwise:function(t){var e=null;if(this.changePrecisionModel){var n=this.createFactory(t.getFactory(),this.targetPM);e=new _t(n)}else e=new _t;var i=this.removeCollapsed;t.getDimension()>=2&&(i=!0);var r=e.edit(t,new hs(this.targetPM,i));return r},changePM:function(t,e){var n=this.createEditor(t.getFactory(),e);return n.edit(t,new _t.NoOpGeometryOperation)},setRemoveCollapsedComponents:function(t){this.removeCollapsed=t},createFactory:function(t,e){var n=new ie(e,t.getSRID(),t.getCoordinateSequenceFactory());return n},setChangePrecisionModel:function(t){this.changePrecisionModel=t},reduce:function(t){var e=this.reducePointwise(t);return this.isPointwise?e:R(e,Rt)?e.isValid()?e:this.fixPolygonalTopology(e):e},setPointwise:function(t){this.isPointwise=t},createEditor:function(t,e){if(t.getPrecisionModel()===e)return new _t;var n=this.createFactory(t,e),i=new _t(n);return i},interfaces_:function(){return[]},getClass:function(){return cs}}),cs.reduce=function(t,e){var n=new cs(e);return n.reduce(t)},cs.reducePointwise=function(t,e){var n=new cs(e);return n.setPointwise(!0),n.reduce(t)};var Mo=Object.freeze({GeometryPrecisionReducer:cs});e(fs.prototype,{simplifySection:function(t,e){if(t+1===e)return null;this.seg.p0=this.pts[t],this.seg.p1=this.pts[e];for(var n=-1,i=t,r=t+1;r<e;r++){var s=this.seg.distance(this.pts[r]);s>n&&(n=s,i=r)}if(n<=this.distanceTolerance)for(var r=t+1;r<e;r++)this.usePt[r]=!1;else this.simplifySection(t,i),this.simplifySection(i,e)},setDistanceTolerance:function(t){this.distanceTolerance=t},simplify:function(){this.usePt=new Array(this.pts.length).fill(null);for(var t=0;t<this.pts.length;t++)this.usePt[t]=!0;this.simplifySection(0,this.pts.length-1);for(var e=new N,t=0;t<this.pts.length;t++)this.usePt[t]&&e.add(new g(this.pts[t]));return e.toCoordinateArray()},interfaces_:function(){return[]},getClass:function(){return fs}}),fs.simplify=function(t,e){var n=new fs(t);return n.setDistanceTolerance(e),n.simplify()},e(gs.prototype,{setEnsureValid:function(t){this.isEnsureValidTopology=t},getResultGeometry:function(){return this.inputGeom.isEmpty()?this.inputGeom.copy():new ds(this.isEnsureValidTopology,this.distanceTolerance).transform(this.inputGeom)},setDistanceTolerance:function(t){if(t<0)throw new i("Tolerance must be non-negative");this.distanceTolerance=t},interfaces_:function(){return[]},getClass:function(){return gs}}),gs.simplify=function(t,e){var n=new gs(t);return n.setDistanceTolerance(e),n.getResultGeometry()},h(ds,xe),e(ds.prototype,{transformPolygon:function(t,e){if(t.isEmpty())return null;var n=xe.prototype.transformPolygon.call(this,t,e);return e instanceof Ot?n:this.createValidArea(n)},createValidArea:function(t){return this.isEnsureValidTopology?t.buffer(0):t},transformCoordinates:function(t,e){var n=t.toCoordinateArray(),i=null;return i=0===n.length?new Array(0).fill(null):fs.simplify(n,this.distanceTolerance),this.factory.getCoordinateSequenceFactory().create(i)},transformMultiPolygon:function(t,e){var n=xe.prototype.transformMultiPolygon.call(this,t,e);return this.createValidArea(n)},transformLinearRing:function(t,e){var n=e instanceof Tt,i=xe.prototype.transformLinearRing.call(this,t,e);return!n||i instanceof bt?i:null},interfaces_:function(){return[]},getClass:function(){return ds}}),gs.DPTransformer=ds,h(ps,ce),e(ps.prototype,{getIndex:function(){return this.index},getParent:function(){return this.parent},interfaces_:function(){return[]},getClass:function(){return ps}}),e(vs.prototype,{addToResult:function(t){this.resultSegs.add(t)},asLineString:function(){return this.parentLine.getFactory().createLineString(vs.extractCoordinates(this.resultSegs))},getResultSize:function(){var t=this.resultSegs.size();return 0===t?0:t+1},getParent:function(){return this.parentLine},getSegment:function(t){return this.segs[t]},getParentCoordinates:function(){return this.parentLine.getCoordinates()},getMinimumSize:function(){return this.minimumSize},asLinearRing:function(){return this.parentLine.getFactory().createLinearRing(vs.extractCoordinates(this.resultSegs))},getSegments:function(){return this.segs},init:function(){var t=this.parentLine.getCoordinates();this.segs=new Array(t.length-1).fill(null);for(var e=0;e<t.length-1;e++){var n=new ps(t[e],t[e+1],this.parentLine,e);this.segs[e]=n}},getResultCoordinates:function(){return vs.extractCoordinates(this.resultSegs)},interfaces_:function(){return[]},getClass:function(){return vs}}),vs.extractCoordinates=function(t){for(var e=new Array(t.size()+1).fill(null),n=null,i=0;i<t.size();i++)n=t.get(i),e[i]=n.p0;return e[e.length-1]=n.p1,e},e(ms.prototype,{remove:function(t){this.index.remove(new C(t.p0,t.p1),t)},add:function(){if(arguments[0]instanceof vs)for(var t=arguments[0],e=t.getSegments(),n=0;n<e.length;n++){var i=e[n];this.add(i)}else if(arguments[0]instanceof ce){var r=arguments[0];this.index.insert(new C(r.p0,r.p1),r)}},query:function(t){var e=new C(t.p0,t.p1),n=new ys(t);this.index.query(e,n);var i=n.getItems();return i},interfaces_:function(){return[]},getClass:function(){return ms}}),e(ys.prototype,{visitItem:function(t){var e=t;C.intersects(e.p0,e.p1,this.querySeg.p0,this.querySeg.p1)&&this.items.add(t)},getItems:function(){return this.items},interfaces_:function(){return[Ae]},getClass:function(){return ys}}),e(xs.prototype,{flatten:function(t,e){var n=this.linePts[t],i=this.linePts[e],r=new ce(n,i);return this.remove(this.line,t,e),this.outputIndex.add(r),r},hasBadIntersection:function(t,e,n){return!!this.hasBadOutputIntersection(n)||!!this.hasBadInputIntersection(t,e,n)},setDistanceTolerance:function(t){this.distanceTolerance=t},simplifySection:function(t,e,n){n+=1;var i=new Array(2).fill(null);if(t+1===e){var r=this.line.getSegment(t);return this.line.addToResult(r),null}var s=!0;if(this.line.getResultSize()<this.line.getMinimumSize()){var o=n+1;o<this.line.getMinimumSize()&&(s=!1)}var a=new Array(1).fill(null),u=this.findFurthestPoint(this.linePts,t,e,a);a[0]>this.distanceTolerance&&(s=!1);var l=new ce;if(l.p0=this.linePts[t],l.p1=this.linePts[e],i[0]=t,i[1]=e,this.hasBadIntersection(this.line,i,l)&&(s=!1),s){var r=this.flatten(t,e);return this.line.addToResult(r),null}this.simplifySection(t,u,n),this.simplifySection(u,e,n)},hasBadOutputIntersection:function(t){for(var e=this.outputIndex.query(t),n=e.iterator();n.hasNext();){var i=n.next();if(this.hasInteriorIntersection(i,t))return!0}return!1},findFurthestPoint:function(t,e,n,i){var r=new ce;r.p0=t[e],r.p1=t[n];for(var s=-1,o=e,a=e+1;a<n;a++){var u=t[a],l=r.distance(u);l>s&&(s=l,o=a)}return i[0]=s,o},simplify:function(t){this.line=t,this.linePts=t.getParentCoordinates(),this.simplifySection(0,this.linePts.length-1,0)},remove:function(t,e,n){for(var i=e;i<n;i++){var r=t.getSegment(i);this.inputIndex.remove(r)}},hasInteriorIntersection:function(t,e){return this.li.computeIntersection(t.p0,t.p1,e.p0,e.p1),this.li.isInteriorIntersection()},hasBadInputIntersection:function(t,e,n){for(var i=this.inputIndex.query(n),r=i.iterator();r.hasNext();){var s=r.next();if(this.hasInteriorIntersection(s,n)){if(xs.isInLineSection(t,e,s))continue;return!0}}return!1},interfaces_:function(){return[]},getClass:function(){return xs}}),xs.isInLineSection=function(t,e,n){if(n.getParent()!==t.getParent())return!1;var i=n.getIndex();return i>=e[0]&&i<e[1]},e(Es.prototype,{setDistanceTolerance:function(t){this.distanceTolerance=t},simplify:function(t){for(var e=t.iterator();e.hasNext();)this.inputIndex.add(e.next());for(var e=t.iterator();e.hasNext();){var n=new xs(this.inputIndex,this.outputIndex);n.setDistanceTolerance(this.distanceTolerance),n.simplify(e.next())}},interfaces_:function(){return[]},getClass:function(){return Es}}),e(Is.prototype,{getResultGeometry:function(){if(this.inputGeom.isEmpty())return this.inputGeom.copy();this.linestringMap=new te,this.inputGeom.apply(new Cs(this)),this.lineSimplifier.simplify(this.linestringMap.values());var t=new Ns(this.linestringMap).transform(this.inputGeom);return t},setDistanceTolerance:function(t){if(t<0)throw new i("Tolerance must be non-negative");this.lineSimplifier.setDistanceTolerance(t)},interfaces_:function(){return[]},getClass:function(){return Is}}),Is.simplify=function(t,e){var n=new Is(t);return n.setDistanceTolerance(e),n.getResultGeometry()},h(Ns,xe),e(Ns.prototype,{transformCoordinates:function(t,e){if(0===t.size())return null;if(e instanceof St){var n=this.linestringMap.get(e);return this.createCoordinateSequence(n.getResultCoordinates())}return xe.prototype.transformCoordinates.call(this,t,e)},interfaces_:function(){return[]},getClass:function(){return Ns}}),e(Cs.prototype,{filter:function(t){if(t instanceof St){var e=t;if(e.isEmpty())return null;var n=e.isClosed()?4:2,i=new vs(e,n);this.tps.linestringMap.put(e,i)}},interfaces_:function(){return[q]},getClass:function(){return Cs}}),Is.LineStringTransformer=Ns,Is.LineStringMapBuilderFilter=Cs;var Do=Object.freeze({DouglasPeuckerSimplifier:gs,TopologyPreservingSimplifier:Is});e(Ss.prototype,{splitAt:function(){if(1===arguments.length){var t=arguments[0],e=this.minimumLen/this.segLen;if(t.distance(this.seg.p0)<this.minimumLen)return this.splitPt=this.seg.pointAlong(e),null;if(t.distance(this.seg.p1)<this.minimumLen)return this.splitPt=Ss.pointAlongReverse(this.seg,e),null;this.splitPt=t}else if(2===arguments.length){var n=arguments[0],i=arguments[1],r=this.getConstrainedLength(n),s=r/this.segLen;i.equals2D(this.seg.p0)?this.splitPt=this.seg.pointAlong(s):this.splitPt=Ss.pointAlongReverse(this.seg,s)}},setMinimumLength:function(t){this.minimumLen=t},getConstrainedLength:function(t){return t<this.minimumLen?this.minimumLen:t},getSplitPoint:function(){return this.splitPt},interfaces_:function(){return[]},getClass:function(){return Ss}}),Ss.pointAlongReverse=function(t,e){var n=new g;return n.x=t.p1.x-e*(t.p1.x-t.p0.x),n.y=t.p1.y-e*(t.p1.y-t.p0.y),n},e(ws.prototype,{findSplitPoint:function(t,e){},interfaces_:function(){return[]},getClass:function(){return ws}}),e(Ls.prototype,{findSplitPoint:function(t,e){var n=t.getLineSegment(),i=n.getLength(),r=i/2,s=new Ss(n),o=Ls.projectedSplitPoint(t,e),a=2*o.distance(e)*.8,u=a;return u>r&&(u=r),s.setMinimumLength(u),s.splitAt(o),s.getSplitPoint()},interfaces_:function(){return[ws]},getClass:function(){return Ls}}),Ls.projectedSplitPoint=function(t,e){var n=t.getLineSegment(),i=n.project(e);return i},e(Rs.prototype,{interfaces_:function(){return[]},getClass:function(){return Rs}}),Rs.triArea=function(t,e,n){return(e.x-t.x)*(n.y-t.y)-(e.y-t.y)*(n.x-t.x)},Rs.isInCircleDDNormalized=function(t,e,n,i){var r=_.valueOf(t.x).selfSubtract(i.x),s=_.valueOf(t.y).selfSubtract(i.y),o=_.valueOf(e.x).selfSubtract(i.x),a=_.valueOf(e.y).selfSubtract(i.y),u=_.valueOf(n.x).selfSubtract(i.x),l=_.valueOf(n.y).selfSubtract(i.y),h=r.multiply(a).selfSubtract(o.multiply(s)),c=o.multiply(l).selfSubtract(u.multiply(a)),f=u.multiply(s).selfSubtract(r.multiply(l)),g=r.multiply(r).selfAdd(s.multiply(s)),d=o.multiply(o).selfAdd(a.multiply(a)),p=u.multiply(u).selfAdd(l.multiply(l)),v=g.selfMultiply(c).selfAdd(d.selfMultiply(f)).selfAdd(p.selfMultiply(h)),m=v.doubleValue()>0;return m},Rs.checkRobustInCircle=function(t,e,n,i){var r=Rs.isInCircleNonRobust(t,e,n,i),s=Rs.isInCircleDDSlow(t,e,n,i),o=Rs.isInCircleCC(t,e,n,i),a=Si.circumcentre(t,e,n);A.out.println("p radius diff a = "+Math.abs(i.distance(a)-t.distance(a))/t.distance(a)),r===s&&r===o||(A.out.println("inCircle robustness failure (double result = "+r+", DD result = "+s+", CC result = "+o+")"),A.out.println(se.toLineString(new Gt([t,e,n,i]))),A.out.println("Circumcentre = "+se.toPoint(a)+" radius = "+t.distance(a)),A.out.println("p radius diff a = "+Math.abs(i.distance(a)/t.distance(a)-1)),A.out.println("p radius diff b = "+Math.abs(i.distance(a)/e.distance(a)-1)),A.out.println("p radius diff c = "+Math.abs(i.distance(a)/n.distance(a)-1)),A.out.println())},Rs.isInCircleDDFast=function(t,e,n,i){var r=_.sqr(t.x).selfAdd(_.sqr(t.y)).selfMultiply(Rs.triAreaDDFast(e,n,i)),s=_.sqr(e.x).selfAdd(_.sqr(e.y)).selfMultiply(Rs.triAreaDDFast(t,n,i)),o=_.sqr(n.x).selfAdd(_.sqr(n.y)).selfMultiply(Rs.triAreaDDFast(t,e,i)),a=_.sqr(i.x).selfAdd(_.sqr(i.y)).selfMultiply(Rs.triAreaDDFast(t,e,n)),u=r.selfSubtract(s).selfAdd(o).selfSubtract(a),l=u.doubleValue()>0;return l},Rs.isInCircleCC=function(t,e,n,i){var r=Si.circumcentre(t,e,n),s=t.distance(r),o=i.distance(r)-s;return o<=0},Rs.isInCircleNormalized=function(t,e,n,i){var r=t.x-i.x,s=t.y-i.y,o=e.x-i.x,a=e.y-i.y,u=n.x-i.x,l=n.y-i.y,h=r*a-o*s,c=o*l-u*a,f=u*s-r*l,g=r*r+s*s,d=o*o+a*a,p=u*u+l*l,v=g*c+d*f+p*h;
return v>0},Rs.isInCircleDDSlow=function(t,e,n,i){var r=_.valueOf(i.x),s=_.valueOf(i.y),o=_.valueOf(t.x),a=_.valueOf(t.y),u=_.valueOf(e.x),l=_.valueOf(e.y),h=_.valueOf(n.x),c=_.valueOf(n.y),f=o.multiply(o).add(a.multiply(a)).multiply(Rs.triAreaDDSlow(u,l,h,c,r,s)),g=u.multiply(u).add(l.multiply(l)).multiply(Rs.triAreaDDSlow(o,a,h,c,r,s)),d=h.multiply(h).add(c.multiply(c)).multiply(Rs.triAreaDDSlow(o,a,u,l,r,s)),p=r.multiply(r).add(s.multiply(s)).multiply(Rs.triAreaDDSlow(o,a,u,l,h,c)),v=f.subtract(g).add(d).subtract(p),m=v.doubleValue()>0;return m},Rs.isInCircleNonRobust=function(t,e,n,i){var r=(t.x*t.x+t.y*t.y)*Rs.triArea(e,n,i)-(e.x*e.x+e.y*e.y)*Rs.triArea(t,n,i)+(n.x*n.x+n.y*n.y)*Rs.triArea(t,e,i)-(i.x*i.x+i.y*i.y)*Rs.triArea(t,e,n)>0;return r},Rs.isInCircleRobust=function(t,e,n,i){return Rs.isInCircleNormalized(t,e,n,i)},Rs.triAreaDDSlow=function(t,e,n,i,r,s){return n.subtract(t).multiply(s.subtract(e)).subtract(i.subtract(e).multiply(r.subtract(t)))},Rs.triAreaDDFast=function(t,e,n){var i=_.valueOf(e.x).selfSubtract(t.x).selfMultiply(_.valueOf(n.y).selfSubtract(t.y)),r=_.valueOf(e.y).selfSubtract(t.y).selfMultiply(_.valueOf(n.x).selfSubtract(t.x));return i.selfSubtract(r)},e(Ts.prototype,{circleCenter:function(t,e){var n=new Ts(this.getX(),this.getY()),i=this.bisector(n,t),r=this.bisector(t,e),s=new F(i,r),o=null;try{o=new Ts(s.getX(),s.getY())}catch(i){if(!(i instanceof w))throw i;A.err.println("a: "+n+"  b: "+t+"  c: "+e),A.err.println(i)}finally{}return o},dot:function(t){return this.p.x*t.getX()+this.p.y*t.getY()},magn:function(){return Math.sqrt(this.p.x*this.p.x+this.p.y*this.p.y)},getZ:function(){return this.p.z},bisector:function(t,e){var n=e.getX()-t.getX(),i=e.getY()-t.getY(),r=new F(t.getX()+n/2,t.getY()+i/2,1),s=new F(t.getX()-i+n/2,t.getY()+n+i/2,1);return new F(r,s)},equals:function(){if(1===arguments.length){var t=arguments[0];return this.p.x===t.getX()&&this.p.y===t.getY()}if(2===arguments.length){var e=arguments[0],n=arguments[1];return this.p.distance(e.getCoordinate())<n}},getCoordinate:function(){return this.p},isInCircle:function(t,e,n){return Rs.isInCircleRobust(t.p,e.p,n.p,this.p)},interpolateZValue:function(t,e,n){var i=t.getX(),r=t.getY(),s=e.getX()-i,o=n.getX()-i,a=e.getY()-r,u=n.getY()-r,l=s*u-o*a,h=this.getX()-i,c=this.getY()-r,f=(u*h-o*c)/l,g=(-a*h+s*c)/l,d=t.getZ()+f*(e.getZ()-t.getZ())+g*(n.getZ()-t.getZ());return d},midPoint:function(t){var e=(this.p.x+t.getX())/2,n=(this.p.y+t.getY())/2,i=(this.p.z+t.getZ())/2;return new Ts(e,n,i)},rightOf:function(t){return this.isCCW(t.dest(),t.orig())},isCCW:function(t,e){return(t.p.x-this.p.x)*(e.p.y-this.p.y)-(t.p.y-this.p.y)*(e.p.x-this.p.x)>0},getX:function(){return this.p.x},crossProduct:function(t){return this.p.x*t.getY()-this.p.y*t.getX()},setZ:function(t){this.p.z=t},times:function(t){return new Ts(t*this.p.x,t*this.p.y)},cross:function(){return new Ts(this.p.y,(-this.p.x))},leftOf:function(t){return this.isCCW(t.orig(),t.dest())},toString:function(){return"POINT ("+this.p.x+" "+this.p.y+")"},sub:function(t){return new Ts(this.p.x-t.getX(),this.p.y-t.getY())},getY:function(){return this.p.y},classify:function(t,e){var n=this,i=e.sub(t),r=n.sub(t),s=i.crossProduct(r);return s>0?Ts.LEFT:s<0?Ts.RIGHT:i.getX()*r.getX()<0||i.getY()*r.getY()<0?Ts.BEHIND:i.magn()<r.magn()?Ts.BEYOND:t.equals(n)?Ts.ORIGIN:e.equals(n)?Ts.DESTINATION:Ts.BETWEEN},sum:function(t){return new Ts(this.p.x+t.getX(),this.p.y+t.getY())},distance:function(t,e){return Math.sqrt(Math.pow(e.getX()-t.getX(),2)+Math.pow(e.getY()-t.getY(),2))},circumRadiusRatio:function(t,e){var n=this.circleCenter(t,e),i=this.distance(n,t),r=this.distance(this,t),s=this.distance(t,e);return s<r&&(r=s),s=this.distance(e,this),s<r&&(r=s),i/r},interfaces_:function(){return[]},getClass:function(){return Ts}}),Ts.interpolateZ=function(){if(3===arguments.length){var t=arguments[0],e=arguments[1],n=arguments[2],i=e.distance(n),r=t.distance(e),s=n.z-e.z,o=e.z+s*(r/i);return o}if(4===arguments.length){var a=arguments[0],u=arguments[1],l=arguments[2],h=arguments[3],c=u.x,f=u.y,g=l.x-c,d=h.x-c,p=l.y-f,v=h.y-f,m=g*v-d*p,y=a.x-c,x=a.y-f,E=(v*y-d*x)/m,I=(-p*y+g*x)/m,N=u.z+E*(l.z-u.z)+I*(h.z-u.z);return N}},Ts.LEFT=0,Ts.RIGHT=1,Ts.BEYOND=2,Ts.BEHIND=3,Ts.BETWEEN=4,Ts.ORIGIN=5,Ts.DESTINATION=6,h(Ps,Ts),e(Ps.prototype,{getConstraint:function(){return this.constraint},setOnConstraint:function(t){this._isOnConstraint=t},merge:function(t){t._isOnConstraint&&(this._isOnConstraint=!0,this.constraint=t.constraint)},isOnConstraint:function(){return this._isOnConstraint},setConstraint:function(t){this._isOnConstraint=!0,this.constraint=t},interfaces_:function(){return[]},getClass:function(){return Ps}}),e(bs.prototype,{equalsNonOriented:function(t){return!!this.equalsOriented(t)||!!this.equalsOriented(t.sym())},toLineSegment:function(){return new ce(this.vertex.getCoordinate(),this.dest().getCoordinate())},dest:function(){return this.sym().orig()},oNext:function(){return this.next},equalsOriented:function(t){return!(!this.orig().getCoordinate().equals2D(t.orig().getCoordinate())||!this.dest().getCoordinate().equals2D(t.dest().getCoordinate()))},dNext:function(){return this.sym().oNext().sym()},lPrev:function(){return this.next.sym()},rPrev:function(){return this.sym().oNext()},rot:function(){return this._rot},oPrev:function(){return this._rot.next._rot},sym:function(){return this._rot._rot},setOrig:function(t){this.vertex=t},lNext:function(){return this.invRot().oNext().rot()},getLength:function(){return this.orig().getCoordinate().distance(this.dest().getCoordinate())},invRot:function(){return this._rot.sym()},setDest:function(t){this.sym().setOrig(t)},setData:function(t){this.data=t},getData:function(){return this.data},delete:function(){this._rot=null},orig:function(){return this.vertex},rNext:function(){return this._rot.next.invRot()},toString:function(){var t=this.vertex.getCoordinate(),e=this.dest().getCoordinate();return se.toLineString(t,e)},isLive:function(){return null!==this._rot},getPrimary:function(){return this.orig().getCoordinate().compareTo(this.dest().getCoordinate())<=0?this:this.sym()},dPrev:function(){return this.invRot().oNext().invRot()},setNext:function(t){this.next=t},interfaces_:function(){return[]},getClass:function(){return bs}}),bs.makeEdge=function(t,e){var n=new bs,i=new bs,r=new bs,s=new bs;n._rot=i,i._rot=r,r._rot=s,s._rot=n,n.setNext(n),i.setNext(s),r.setNext(r),s.setNext(i);var o=n;return o.setOrig(t),o.setDest(e),o},bs.swap=function(t){var e=t.oPrev(),n=t.sym().oPrev();bs.splice(t,e),bs.splice(t.sym(),n),bs.splice(t,e.lNext()),bs.splice(t.sym(),n.lNext()),t.setOrig(e.dest()),t.setDest(n.dest())},bs.splice=function(t,e){var n=t.oNext().rot(),i=e.oNext().rot(),r=e.oNext(),s=t.oNext(),o=i.oNext(),a=n.oNext();t.setNext(r),e.setNext(s),n.setNext(o),i.setNext(a)},bs.connect=function(t,e){var n=bs.makeEdge(t.dest(),e.orig());return bs.splice(n,t.lNext()),bs.splice(n.sym(),e),n},e(Os.prototype,{insertSite:function(t){var e=this.subdiv.locate(t);if(this.subdiv.isVertexOfEdge(e,t))return e;this.subdiv.isOnEdge(e,t.getCoordinate())&&(e=e.oPrev(),this.subdiv.delete(e.oNext()));var n=this.subdiv.makeEdge(e.orig(),t);bs.splice(n,e);var i=n;do n=this.subdiv.connect(e,n.sym()),e=n.oPrev();while(e.lNext()!==i);for(;;){var r=e.oPrev();if(r.dest().rightOf(e)&&t.isInCircle(e.orig(),r.dest(),e.dest()))bs.swap(e),e=e.oPrev();else{if(e.oNext()===i)return n;e=e.oNext().lPrev()}}},insertSites:function(t){for(var e=t.iterator();e.hasNext();){var n=e.next();this.insertSite(n)}},interfaces_:function(){return[]},getClass:function(){return Os}}),e(_s.prototype,{locate:function(t){},interfaces_:function(){return[]},getClass:function(){return _s}}),e(Ms.prototype,{init:function(){this.lastEdge=this.findEdge()},locate:function(t){this.lastEdge.isLive()||this.init();var e=this.subdiv.locateFromEdge(t,this.lastEdge);return this.lastEdge=e,e},findEdge:function(){var t=this.subdiv.getEdges();return t.iterator().next()},interfaces_:function(){return[_s]},getClass:function(){return Ms}}),h(Ds,l),e(Ds.prototype,{getSegment:function(){return this.seg},interfaces_:function(){return[]},getClass:function(){return Ds}}),Ds.msgWithSpatial=function(t,e){return null!==e?t+" [ "+e+" ]":t},e(As.prototype,{visit:function(t){},interfaces_:function(){return[]},getClass:function(){return As}}),e(Fs.prototype,{getTriangleVertices:function(t){var e=new Bs;return this.visitTriangles(e,t),e.getTriangleVertices()},isFrameVertex:function(t){return!!t.equals(this.frameVertex[0])||(!!t.equals(this.frameVertex[1])||!!t.equals(this.frameVertex[2]))},isVertexOfEdge:function(t,e){return!(!e.equals(t.orig(),this.tolerance)&&!e.equals(t.dest(),this.tolerance))},connect:function(t,e){var n=bs.connect(t,e);return this.quadEdges.add(n),n},getVoronoiCellPolygon:function(t,e){var n=new I,i=t;do{var r=t.rot().orig().getCoordinate();n.add(r),t=t.oPrev()}while(t!==i);var s=new N;s.addAll(n,!1),s.closeRing(),s.size()<4&&(A.out.println(s),s.add(s.get(s.size()-1),!0));var o=s.toCoordinateArray(),a=e.createPolygon(e.createLinearRing(o),null),u=i.orig();return a.setUserData(u.getCoordinate()),a},setLocator:function(t){this.locator=t},initSubdiv:function(){var t=this.makeEdge(this.frameVertex[0],this.frameVertex[1]),e=this.makeEdge(this.frameVertex[1],this.frameVertex[2]);bs.splice(t.sym(),e);var n=this.makeEdge(this.frameVertex[2],this.frameVertex[0]);return bs.splice(e.sym(),n),bs.splice(n.sym(),t),t},isFrameBorderEdge:function(t){var e=new Array(3).fill(null);Fs.getTriangleEdges(t,e);var n=new Array(3).fill(null);Fs.getTriangleEdges(t.sym(),n);var i=t.lNext().dest();if(this.isFrameVertex(i))return!0;var r=t.sym().lNext().dest();return!!this.isFrameVertex(r)},makeEdge:function(t,e){var n=bs.makeEdge(t,e);return this.quadEdges.add(n),n},visitTriangles:function(t,e){this.visitedKey++;var n=new pe;n.push(this.startingEdge);for(var i=new J;!n.empty();){var r=n.pop();if(!i.contains(r)){var s=this.fetchTriangleToVisit(r,n,e,i);null!==s&&t.visit(s)}}},isFrameEdge:function(t){return!(!this.isFrameVertex(t.orig())&&!this.isFrameVertex(t.dest()))},isOnEdge:function(t,e){this.seg.setCoordinates(t.orig().getCoordinate(),t.dest().getCoordinate());var n=this.seg.distance(e);return n<this.edgeCoincidenceTolerance},getEnvelope:function(){return new C(this.frameEnv)},createFrame:function(t){var e=t.getWidth(),n=t.getHeight(),i=0;i=e>n?10*e:10*n,this.frameVertex[0]=new Ts((t.getMaxX()+t.getMinX())/2,t.getMaxY()+i),this.frameVertex[1]=new Ts(t.getMinX()-i,t.getMinY()-i),this.frameVertex[2]=new Ts(t.getMaxX()+i,t.getMinY()-i),this.frameEnv=new C(this.frameVertex[0].getCoordinate(),this.frameVertex[1].getCoordinate()),this.frameEnv.expandToInclude(this.frameVertex[2].getCoordinate())},getTriangleCoordinates:function(t){var e=new zs;return this.visitTriangles(e,t),e.getTriangles()},getVertices:function(t){for(var e=new J,n=this.quadEdges.iterator();n.hasNext();){var i=n.next(),r=i.orig();!t&&this.isFrameVertex(r)||e.add(r);var s=i.dest();!t&&this.isFrameVertex(s)||e.add(s)}return e},fetchTriangleToVisit:function(t,e,n,i){var r=t,s=0,o=!1;do{this.triEdges[s]=r,this.isFrameEdge(r)&&(o=!0);var a=r.sym();i.contains(a)||e.push(a),i.add(r),s++,r=r.lNext()}while(r!==t);return o&&!n?null:this.triEdges},getEdges:function(){if(0===arguments.length)return this.quadEdges;if(1===arguments.length){for(var t=arguments[0],e=this.getPrimaryEdges(!1),n=new Array(e.size()).fill(null),i=0,r=e.iterator();r.hasNext();){var s=r.next();n[i++]=t.createLineString([s.orig().getCoordinate(),s.dest().getCoordinate()])}return t.createMultiLineString(n)}},getVertexUniqueEdges:function(t){for(var e=new I,n=new J,i=this.quadEdges.iterator();i.hasNext();){var r=i.next(),s=r.orig();n.contains(s)||(n.add(s),!t&&this.isFrameVertex(s)||e.add(r));var o=r.sym(),a=o.orig();n.contains(a)||(n.add(a),!t&&this.isFrameVertex(a)||e.add(o))}return e},getTriangleEdges:function(t){var e=new qs;return this.visitTriangles(e,t),e.getTriangleEdges()},getPrimaryEdges:function(t){this.visitedKey++;var e=new I,n=new pe;n.push(this.startingEdge);for(var i=new J;!n.empty();){var r=n.pop();if(!i.contains(r)){var s=r.getPrimary();!t&&this.isFrameEdge(s)||e.add(s),n.push(r.oNext()),n.push(r.sym().oNext()),i.add(r),i.add(r.sym())}}return e},delete:function(t){bs.splice(t,t.oPrev()),bs.splice(t.sym(),t.sym().oPrev());var e=t.sym(),n=t.rot(),i=t.rot().sym();this.quadEdges.remove(t),this.quadEdges.remove(e),this.quadEdges.remove(n),this.quadEdges.remove(i),t.delete(),e.delete(),n.delete(),i.delete()},locateFromEdge:function(t,e){for(var n=0,i=this.quadEdges.size(),r=e;;){if(n++,n>i)throw new Ds(r.toLineSegment());if(t.equals(r.orig())||t.equals(r.dest()))break;if(t.rightOf(r))r=r.sym();else if(t.rightOf(r.oNext())){if(t.rightOf(r.dPrev()))break;r=r.dPrev()}else r=r.oNext()}return r},getTolerance:function(){return this.tolerance},getVoronoiCellPolygons:function(t){this.visitTriangles(new Gs,!0);for(var e=new I,n=this.getVertexUniqueEdges(!1),i=n.iterator();i.hasNext();){var r=i.next();e.add(this.getVoronoiCellPolygon(r,t))}return e},getVoronoiDiagram:function(t){var e=this.getVoronoiCellPolygons(t);return t.createGeometryCollection(ie.toGeometryArray(e))},getTriangles:function(t){for(var e=this.getTriangleCoordinates(!1),n=new Array(e.size()).fill(null),i=0,r=e.iterator();r.hasNext();){var s=r.next();n[i++]=t.createPolygon(t.createLinearRing(s),null)}return t.createGeometryCollection(n)},insertSite:function(t){var e=this.locate(t);if(t.equals(e.orig(),this.tolerance)||t.equals(e.dest(),this.tolerance))return e;var n=this.makeEdge(e.orig(),t);bs.splice(n,e);var i=n;do n=this.connect(e,n.sym()),e=n.oPrev();while(e.lNext()!==i);return i},locate:function(){if(1===arguments.length){if(arguments[0]instanceof Ts){var t=arguments[0];return this.locator.locate(t)}if(arguments[0]instanceof g){var e=arguments[0];return this.locator.locate(new Ts(e))}}else if(2===arguments.length){var n=arguments[0],i=arguments[1],r=this.locator.locate(new Ts(n));if(null===r)return null;var s=r;r.dest().getCoordinate().equals2D(n)&&(s=r.sym());var o=s;do{if(o.dest().getCoordinate().equals2D(i))return o;o=o.oNext()}while(o!==s);return null}},interfaces_:function(){return[]},getClass:function(){return Fs}}),Fs.getTriangleEdges=function(t,e){if(e[0]=t,e[1]=e[0].lNext(),e[2]=e[1].lNext(),e[2].lNext()!==e[0])throw new i("Edges do not form a triangle")},e(Gs.prototype,{visit:function(t){for(var e=t[0].orig().getCoordinate(),n=t[1].orig().getCoordinate(),i=t[2].orig().getCoordinate(),r=Si.circumcentre(e,n,i),s=new Ts(r),o=0;o<3;o++)t[o].rot().setOrig(s)},interfaces_:function(){return[As]},getClass:function(){return Gs}}),e(qs.prototype,{getTriangleEdges:function(){return this.triList},visit:function(t){this.triList.add(t.clone())},interfaces_:function(){return[As]},getClass:function(){return qs}}),e(Bs.prototype,{visit:function(t){this.triList.add([t[0].orig(),t[1].orig(),t[2].orig()])},getTriangleVertices:function(){return this.triList},interfaces_:function(){return[As]},getClass:function(){return Bs}}),e(zs.prototype,{checkTriangleSize:function(t){var e="";t.length>=2?e=se.toLineString(t[0],t[1]):t.length>=1&&(e=se.toPoint(t[0]))},visit:function(t){this.coordList.clear();for(var e=0;e<3;e++){var n=t[e].orig();this.coordList.add(n.getCoordinate())}if(this.coordList.size()>0){this.coordList.closeRing();var i=this.coordList.toCoordinateArray();if(4!==i.length)return null;this.triCoords.add(i)}},getTriangles:function(){return this.triCoords},interfaces_:function(){return[As]},getClass:function(){return zs}}),Fs.TriangleCircumcentreVisitor=Gs,Fs.TriangleEdgesListVisitor=qs,Fs.TriangleVertexListVisitor=Bs,Fs.TriangleCoordinatesVisitor=zs,Fs.EDGE_COINCIDENCE_TOL_FACTOR=1e3,e(Vs.prototype,{getLineSegment:function(){return this.ls},getEndZ:function(){var t=this.ls.getCoordinate(1);return t.z},getStartZ:function(){var t=this.ls.getCoordinate(0);return t.z},intersection:function(t){return this.ls.intersection(t.getLineSegment())},getStart:function(){return this.ls.getCoordinate(0)},getEnd:function(){return this.ls.getCoordinate(1)},getEndY:function(){var t=this.ls.getCoordinate(1);return t.y},getStartX:function(){var t=this.ls.getCoordinate(0);return t.x},equalsTopo:function(t){return this.ls.equalsTopo(t.getLineSegment())},getStartY:function(){var t=this.ls.getCoordinate(0);return t.y},setData:function(t){this.data=t},getData:function(){return this.data},getEndX:function(){var t=this.ls.getCoordinate(1);return t.x},toString:function(){return this.ls.toString()},interfaces_:function(){return[]},getClass:function(){return Vs}}),e(ks.prototype,{visit:function(t){},interfaces_:function(){return[]},getClass:function(){return ks}}),e(Ys.prototype,{isRepeated:function(){return this.count>1},getRight:function(){return this.right},getCoordinate:function(){return this.p},setLeft:function(t){this.left=t},getX:function(){return this.p.x},getData:function(){return this.data},getCount:function(){return this.count},getLeft:function(){return this.left},getY:function(){return this.p.y},increment:function(){this.count=this.count+1},setRight:function(t){this.right=t},interfaces_:function(){return[]},getClass:function(){return Ys}}),e(Us.prototype,{insert:function(){if(1===arguments.length){var t=arguments[0];return this.insert(t,null)}if(2===arguments.length){var e=arguments[0],n=arguments[1];if(null===this.root)return this.root=new Ys(e,n),this.root;if(this.tolerance>0){var i=this.findBestMatchNode(e);if(null!==i)return i.increment(),i}return this.insertExact(e,n)}},query:function(){var t=arguments,e=this;if(1===arguments.length){var n=arguments[0],i=new I;return this.query(n,i),i}if(2===arguments.length)if(arguments[0]instanceof C&&R(arguments[1],y))!function(){var n=t[0],i=t[1];e.queryNode(e.root,n,!0,{interfaces_:function(){return[ks]},visit:function(t){i.add(t)}})}();else if(arguments[0]instanceof C&&R(arguments[1],ks)){var r=arguments[0],s=arguments[1];this.queryNode(this.root,r,!0,s)}},queryNode:function(t,e,n,i){if(null===t)return null;var r=null,s=null,o=null;n?(r=e.getMinX(),s=e.getMaxX(),o=t.getX()):(r=e.getMinY(),s=e.getMaxY(),o=t.getY());var a=r<o,u=o<=s;a&&this.queryNode(t.getLeft(),e,!n,i),e.contains(t.getCoordinate())&&i.visit(t),u&&this.queryNode(t.getRight(),e,!n,i)},findBestMatchNode:function(t){var e=new Xs(t,this.tolerance);return this.query(e.queryEnvelope(),e),e.getNode()},isEmpty:function(){return null===this.root},insertExact:function(t,e){for(var n=this.root,i=this.root,r=!0,s=!0;null!==n;){if(null!==n){var o=t.distance(n.getCoordinate())<=this.tolerance;if(o)return n.increment(),n}s=r?t.x<n.getX():t.y<n.getY(),i=n,n=s?n.getLeft():n.getRight(),r=!r}this.numberOfNodes=this.numberOfNodes+1;var a=new Ys(t,e);return s?i.setLeft(a):i.setRight(a),a},interfaces_:function(){return[]},getClass:function(){return Us}}),Us.toCoordinates=function(){if(1===arguments.length){var t=arguments[0];return Us.toCoordinates(t,!1)}if(2===arguments.length){for(var e=arguments[0],n=arguments[1],i=new N,r=e.iterator();r.hasNext();)for(var s=r.next(),o=n?s.getCount():1,a=0;a<o;a++)i.add(s.getCoordinate(),!0);return i.toCoordinateArray()}},e(Xs.prototype,{visit:function(t){var e=this.p.distance(t.getCoordinate()),n=e<=this.tolerance;if(!n)return null;var i=!1;(null===this.matchNode||e<this.matchDist||null!==this.matchNode&&e===this.matchDist&&t.getCoordinate().compareTo(this.matchNode.getCoordinate())<1)&&(i=!0),i&&(this.matchNode=t,this.matchDist=e)},queryEnvelope:function(){var t=new C(this.p);return t.expandBy(this.tolerance),t},getNode:function(){return this.matchNode},interfaces_:function(){return[ks]},getClass:function(){return Xs}}),Us.BestMatchVisitor=Xs,e(Hs.prototype,{getInitialVertices:function(){return this.initialVertices},getKDT:function(){return this.kdt},enforceConstraints:function(){this.addConstraintVertices();var t=0,e=0;do e=this.enforceGabriel(this.segments),t++;while(e>0&&t<Hs.MAX_SPLIT_ITER)},insertSites:function(t){for(var e=t.iterator();e.hasNext();){var n=e.next();this.insertSite(n)}},getVertexFactory:function(){return this.vertexFactory},getPointArray:function(){for(var t=new Array(this.initialVertices.size()+this.segVertices.size()).fill(null),e=0,n=this.initialVertices.iterator();n.hasNext();){var i=n.next();t[e++]=i.getCoordinate()}for(var r=this.segVertices.iterator();r.hasNext();){var i=r.next();t[e++]=i.getCoordinate()}return t},setConstraints:function(t,e){this.segments=t,this.segVertices=e},computeConvexHull:function(){var t=new ie,e=this.getPointArray(),n=new me(e,t);this.convexHull=n.getConvexHull()},addConstraintVertices:function(){this.computeConvexHull(),this.insertSites(this.segVertices)},findNonGabrielPoint:function(t){var e=t.getStart(),n=t.getEnd(),i=new g((e.x+n.x)/2,(e.y+n.y)/2),s=e.distance(i),o=new C(i);o.expandBy(s);for(var a=this.kdt.query(o),u=null,l=r.MAX_VALUE,h=a.iterator();h.hasNext();){var c=h.next(),f=c.getCoordinate();if(!f.equals2D(e)&&!f.equals2D(n)){var d=i.distance(f);if(d<s){var p=d;(null===u||p<l)&&(u=f,l=p)}}}return u},getConstraintSegments:function(){return this.segments},setSplitPointFinder:function(t){this.splitFinder=t},getConvexHull:function(){return this.convexHull},getTolerance:function(){return this.tolerance},enforceGabriel:function(t){for(var e=new I,n=0,i=new I,r=t.iterator();r.hasNext();){var s=r.next(),o=this.findNonGabrielPoint(s);if(null!==o){this.splitPt=this.splitFinder.findSplitPoint(s,o);var a=this.createVertex(this.splitPt,s),u=(this.insertSite(a),new Vs(s.getStartX(),s.getStartY(),s.getStartZ(),a.getX(),a.getY(),a.getZ(),s.getData())),l=new Vs(a.getX(),a.getY(),a.getZ(),s.getEndX(),s.getEndY(),s.getEndZ(),s.getData());e.add(u),e.add(l),i.add(s),n+=1}}return t.removeAll(i),t.addAll(e),n},createVertex:function(){if(1===arguments.length){var t=arguments[0],e=null;return e=null!==this.vertexFactory?this.vertexFactory.createVertex(t,null):new Ps(t)}if(2===arguments.length){var n=arguments[0],i=arguments[1],e=null;return e=null!==this.vertexFactory?this.vertexFactory.createVertex(n,i):new Ps(n),e.setOnConstraint(!0),e}},getSubdivision:function(){return this.subdiv},computeBoundingBox:function(){var t=Hs.computeVertexEnvelope(this.initialVertices),e=Hs.computeVertexEnvelope(this.segVertices),n=new C(t);n.expandToInclude(e);var i=.2*n.getWidth(),r=.2*n.getHeight(),s=Math.max(i,r);this.computeAreaEnv=new C(n),this.computeAreaEnv.expandBy(s)},setVertexFactory:function(t){this.vertexFactory=t},formInitialDelaunay:function(){this.computeBoundingBox(),this.subdiv=new Fs(this.computeAreaEnv,this.tolerance),this.subdiv.setLocator(new Ms(this.subdiv)),this.incDel=new Os(this.subdiv),this.insertSites(this.initialVertices)},insertSite:function(){if(arguments[0]instanceof Ps){var t=arguments[0],e=this.kdt.insert(t.getCoordinate(),t);if(e.isRepeated()){var n=e.getData();return n.merge(t),n}return this.incDel.insertSite(t),t}if(arguments[0]instanceof g){var i=arguments[0];this.insertSite(this.createVertex(i))}},interfaces_:function(){return[]},getClass:function(){return Hs}}),Hs.computeVertexEnvelope=function(t){for(var e=new C,n=t.iterator();n.hasNext();){var i=n.next();e.expandToInclude(i.getCoordinate())}return e},Hs.MAX_SPLIT_ITER=99,e(Ws.prototype,{create:function(){if(null!==this.subdiv)return null;var t=Ws.envelope(this.siteCoords),e=Ws.toVertices(this.siteCoords);this.subdiv=new Fs(t,this.tolerance);var n=new Os(this.subdiv);n.insertSites(e)},setTolerance:function(t){this.tolerance=t},setSites:function(){if(arguments[0]instanceof B){var t=arguments[0];this.siteCoords=Ws.extractUniqueCoordinates(t)}else if(R(arguments[0],v)){var e=arguments[0];this.siteCoords=Ws.unique(H.toCoordinateArray(e))}},getEdges:function(t){return this.create(),this.subdiv.getEdges(t)},getSubdivision:function(){return this.create(),this.subdiv},getTriangles:function(t){return this.create(),this.subdiv.getTriangles(t)},interfaces_:function(){return[]},getClass:function(){return Ws}}),Ws.extractUniqueCoordinates=function(t){if(null===t)return new N;var e=t.getCoordinates();return Ws.unique(e)},Ws.envelope=function(t){for(var e=new C,n=t.iterator();n.hasNext();){var i=n.next();e.expandToInclude(i)}return e},Ws.unique=function(t){var e=H.copyDeep(t);ut.sort(e);var n=new N(e,(!1));return n},Ws.toVertices=function(t){for(var e=new I,n=t.iterator();n.hasNext();){var i=n.next();e.add(new Ts(i))}return e},e(js.prototype,{createSiteVertices:function(t){for(var e=new I,n=t.iterator();n.hasNext();){var i=n.next();this.constraintVertexMap.containsKey(i)||e.add(new Ps(i))}return e},create:function(){if(null!==this.subdiv)return null;var t=Ws.envelope(this.siteCoords),e=new I;null!==this.constraintLines&&(t.expandToInclude(this.constraintLines.getEnvelopeInternal()),this.createVertices(this.constraintLines),e=js.createConstraintSegments(this.constraintLines));var n=this.createSiteVertices(this.siteCoords),i=new Hs(n,this.tolerance);i.setConstraints(e,new I(this.constraintVertexMap.values())),i.formInitialDelaunay(),i.enforceConstraints(),this.subdiv=i.getSubdivision()},setTolerance:function(t){this.tolerance=t},setConstraints:function(t){this.constraintLines=t},setSites:function(t){this.siteCoords=Ws.extractUniqueCoordinates(t)},getEdges:function(t){return this.create(),this.subdiv.getEdges(t)},getSubdivision:function(){return this.create(),this.subdiv},getTriangles:function(t){return this.create(),this.subdiv.getTriangles(t)},createVertices:function(t){for(var e=t.getCoordinates(),n=0;n<e.length;n++){var i=new Ps(e[n]);this.constraintVertexMap.put(e[n],i)}},interfaces_:function(){return[]},getClass:function(){return js}}),js.createConstraintSegments=function(){if(1===arguments.length){for(var t=arguments[0],e=kn.getLines(t),n=new I,i=e.iterator();i.hasNext();){var r=i.next();js.createConstraintSegments(r,n)}return n}if(2===arguments.length)for(var s=arguments[0],o=arguments[1],a=s.getCoordinates(),i=1;i<a.length;i++)o.add(new Vs(a[i-1],a[i]))},e(Ks.prototype,{create:function(){if(null!==this.subdiv)return null;var t=Ws.envelope(this.siteCoords);this.diagramEnv=t;var e=Math.max(this.diagramEnv.getWidth(),this.diagramEnv.getHeight());this.diagramEnv.expandBy(e),null!==this.clipEnv&&this.diagramEnv.expandToInclude(this.clipEnv);var n=Ws.toVertices(this.siteCoords);this.subdiv=new Fs(t,this.tolerance);var i=new Os(this.subdiv);i.insertSites(n)},getDiagram:function(t){this.create();var e=this.subdiv.getVoronoiDiagram(t);return Ks.clipGeometryCollection(e,this.diagramEnv)},setTolerance:function(t){this.tolerance=t},setSites:function(){if(arguments[0]instanceof B){var t=arguments[0];this.siteCoords=Ws.extractUniqueCoordinates(t)}else if(R(arguments[0],v)){var e=arguments[0];this.siteCoords=Ws.unique(H.toCoordinateArray(e))}},setClipEnvelope:function(t){this.clipEnv=t},getSubdivision:function(){return this.create(),this.subdiv},interfaces_:function(){return[]},getClass:function(){return Ks}}),Ks.clipGeometryCollection=function(t,e){for(var n=t.getFactory().toGeometry(e),i=new I,r=0;r<t.getNumGeometries();r++){var s=t.getGeometryN(r),o=null;e.contains(s.getEnvelopeInternal())?o=s:e.intersects(s.getEnvelopeInternal())&&(o=n.intersection(s),o.setUserData(s.getUserData())),null===o||o.isEmpty()||i.add(o)}return t.getFactory().createGeometryCollection(ie.toGeometryArray(i))};var Ao=Object.freeze({Vertex:Ts}),Fo=Object.freeze({ConformingDelaunayTriangulationBuilder:js,DelaunayTriangulationBuilder:Ws,VoronoiDiagramBuilder:Ks,quadedge:Ao});e(Zs.prototype,{interfaces_:function(){return[]},getClass:function(){return Zs}}),Zs.union=function(t,e){if(t.isEmpty()||e.isEmpty()){if(t.isEmpty()&&e.isEmpty())return ii.createEmptyResult(ii.UNION,t,e,t.getFactory());if(t.isEmpty())return e.copy();if(e.isEmpty())return t.copy()}return t.checkNotGeometryCollection(t),t.checkNotGeometryCollection(e),si.overlayOp(t,e,ii.UNION)},e(B.prototype,{equalsTopo:function(t){return!!this.getEnvelopeInternal().equals(t.getEnvelopeInternal())&&rs.relate(this,t).isEquals(this.getDimension(),t.getDimension())},union:function(){if(0===arguments.length)return ls.union(this);if(1===arguments.length){var t=arguments[0];return Zs.union(this,t)}},isValid:function(){return Ur.isValid(this)},intersection:function(t){if(this.isEmpty()||t.isEmpty())return ii.createEmptyResult(ii.INTERSECTION,this,t,this.factory);if(this.isGeometryCollection()){var e=t;return hn.map(this,{interfaces_:function(){return[MapOp]},map:function(t){return t.intersection(e)}})}return this.checkNotGeometryCollection(this),this.checkNotGeometryCollection(t),si.overlayOp(this,t,ii.INTERSECTION)},covers:function(t){return rs.covers(this,t)},coveredBy:function(t){return rs.coveredBy(this,t)},touches:function(t){return rs.touches(this,t)},intersects:function(t){return rs.intersects(this,t)},within:function(t){return rs.within(this,t)},overlaps:function(t){return rs.overlaps(this,t)},disjoint:function(t){return rs.disjoint(this,t)},crosses:function(t){return rs.crosses(this,t)},buffer:function(){if(1===arguments.length){var t=arguments[0];return dr.bufferOp(this,t)}if(2===arguments.length){var e=arguments[0],n=arguments[1];return dr.bufferOp(this,e,n)}if(3===arguments.length){var i=arguments[0],r=arguments[1],s=arguments[2];return dr.bufferOp(this,i,r,s)}},convexHull:function(){return new me(this).getConvexHull()},relate:function(){for(var t=arguments.length,e=Array(t),n=0;n<t;n++)e[n]=arguments[n];return rs.relate.apply(rs,[this].concat(e))},getCentroid:function(){if(this.isEmpty())return this.factory.createPoint();var t=ge.getCentroid(this);return this.createPointFromInternalCoord(t,this)},getInteriorPoint:function(){if(this.isEmpty())return this.factory.createPoint();var t=null,e=this.getDimension();if(0===e){var n=new li(this);t=n.getInteriorPoint()}else if(1===e){var n=new ui(this);t=n.getInteriorPoint()}else{var n=new oi(this);t=n.getInteriorPoint()}return this.createPointFromInternalCoord(t,this)},symDifference:function(t){if(this.isEmpty()||t.isEmpty()){if(this.isEmpty()&&t.isEmpty())return ii.createEmptyResult(ii.SYMDIFFERENCE,this,t,this.factory);if(this.isEmpty())return t.copy();if(t.isEmpty())return this.copy()}return this.checkNotGeometryCollection(this),this.checkNotGeometryCollection(t),si.overlayOp(this,t,ii.SYMDIFFERENCE)},createPointFromInternalCoord:function(t,e){return e.getPrecisionModel().makePrecise(t),e.getFactory().createPoint(t)},toText:function(){var t=new se;return t.write(this)},toString:function(){this.toText()},contains:function(t){return rs.contains(this,t)},difference:function(t){return this.isEmpty()?ii.createEmptyResult(ii.DIFFERENCE,this,t,this.factory):t.isEmpty()?this.copy():(this.checkNotGeometryCollection(this),this.checkNotGeometryCollection(t),si.overlayOp(this,t,ii.DIFFERENCE))},isSimple:function(){var t=new Wi(this);return t.isSimple()},isWithinDistance:function(t,e){var n=this.getEnvelopeInternal().distance(t.getEnvelopeInternal());return!(n>e)&&xr.isWithinDistance(this,t,e)},distance:function(t){return xr.distance(this,t)},isEquivalentClass:function(t){return this.getClass()===t.getClass()}});var Go="1.3.0 (6e65adb)";t.version=Go,t.algorithm=co,t.densify=fo,t.dissolve=go,t.geom=lo,t.geomgraph=po,t.index=yo,t.io=No,t.noding=Co,t.operation=_o,t.precision=Mo,t.simplify=Do,t.triangulate=Fo,Object.defineProperty(t,"__esModule",{value:!0})});

},{}],44:[function(require,module,exports){
'use strict';

module.exports = lineclip;

lineclip.polyline = lineclip;
lineclip.polygon = polygonclip;


// Cohen-Sutherland line clippign algorithm, adapted to efficiently
// handle polylines rather than just segments

function lineclip(points, bbox, result) {

    var len = points.length,
        codeA = bitCode(points[0], bbox),
        part = [],
        i, a, b, codeB, lastCode;

    if (!result) result = [];

    for (i = 1; i < len; i++) {
        a = points[i - 1];
        b = points[i];
        codeB = lastCode = bitCode(b, bbox);

        while (true) {

            if (!(codeA | codeB)) { // accept
                part.push(a);

                if (codeB !== lastCode) { // segment went outside
                    part.push(b);

                    if (i < len - 1) { // start a new line
                        result.push(part);
                        part = [];
                    }
                } else if (i === len - 1) {
                    part.push(b);
                }
                break;

            } else if (codeA & codeB) { // trivial reject
                break;

            } else if (codeA) { // a outside, intersect with clip edge
                a = intersect(a, b, codeA, bbox);
                codeA = bitCode(a, bbox);

            } else { // b outside
                b = intersect(a, b, codeB, bbox);
                codeB = bitCode(b, bbox);
            }
        }

        codeA = lastCode;
    }

    if (part.length) result.push(part);

    return result;
}

// Sutherland-Hodgeman polygon clipping algorithm

function polygonclip(points, bbox) {

    var result, edge, prev, prevInside, i, p, inside;

    // clip against each side of the clip rectangle
    for (edge = 1; edge <= 8; edge *= 2) {
        result = [];
        prev = points[points.length - 1];
        prevInside = !(bitCode(prev, bbox) & edge);

        for (i = 0; i < points.length; i++) {
            p = points[i];
            inside = !(bitCode(p, bbox) & edge);

            // if segment goes through the clip window, add an intersection
            if (inside !== prevInside) result.push(intersect(prev, p, edge, bbox));

            if (inside) result.push(p); // add a point if it's inside

            prev = p;
            prevInside = inside;
        }

        points = result;

        if (!points.length) break;
    }

    return result;
}

// intersect a segment against one of the 4 lines that make up the bbox

function intersect(a, b, edge, bbox) {
    return edge & 8 ? [a[0] + (b[0] - a[0]) * (bbox[3] - a[1]) / (b[1] - a[1]), bbox[3]] : // top
           edge & 4 ? [a[0] + (b[0] - a[0]) * (bbox[1] - a[1]) / (b[1] - a[1]), bbox[1]] : // bottom
           edge & 2 ? [bbox[2], a[1] + (b[1] - a[1]) * (bbox[2] - a[0]) / (b[0] - a[0])] : // right
           edge & 1 ? [bbox[0], a[1] + (b[1] - a[1]) * (bbox[0] - a[0]) / (b[0] - a[0])] : // left
           null;
}

// bit code reflects the point position relative to the bbox:

//         left  mid  right
//    top  1001  1000  1010
//    mid  0001  0000  0010
// bottom  0101  0100  0110

function bitCode(p, bbox) {
    var code = 0;

    if (p[0] < bbox[0]) code |= 1; // left
    else if (p[0] > bbox[2]) code |= 2; // right

    if (p[1] < bbox[1]) code |= 4; // bottom
    else if (p[1] > bbox[3]) code |= 8; // top

    return code;
}

},{}],45:[function(require,module,exports){
'use strict'

module.exports = monotoneConvexHull2D

var orient = require('robust-orientation')[3]

function monotoneConvexHull2D(points) {
  var n = points.length

  if(n < 3) {
    var result = new Array(n)
    for(var i=0; i<n; ++i) {
      result[i] = i
    }

    if(n === 2 &&
       points[0][0] === points[1][0] &&
       points[0][1] === points[1][1]) {
      return [0]
    }

    return result
  }

  //Sort point indices along x-axis
  var sorted = new Array(n)
  for(var i=0; i<n; ++i) {
    sorted[i] = i
  }
  sorted.sort(function(a,b) {
    var d = points[a][0]-points[b][0]
    if(d) {
      return d
    }
    return points[a][1] - points[b][1]
  })

  //Construct upper and lower hulls
  var lower = [sorted[0], sorted[1]]
  var upper = [sorted[0], sorted[1]]

  for(var i=2; i<n; ++i) {
    var idx = sorted[i]
    var p   = points[idx]

    //Insert into lower list
    var m = lower.length
    while(m > 1 && orient(
        points[lower[m-2]], 
        points[lower[m-1]], 
        p) <= 0) {
      m -= 1
      lower.pop()
    }
    lower.push(idx)

    //Insert into upper list
    m = upper.length
    while(m > 1 && orient(
        points[upper[m-2]], 
        points[upper[m-1]], 
        p) >= 0) {
      m -= 1
      upper.pop()
    }
    upper.push(idx)
  }

  //Merge lists together
  var result = new Array(upper.length + lower.length - 2)
  var ptr    = 0
  for(var i=0, nl=lower.length; i<nl; ++i) {
    result[ptr++] = lower[i]
  }
  for(var j=upper.length-2; j>0; --j) {
    result[ptr++] = upper[j]
  }

  //Return result
  return result
}
},{"robust-orientation":48}],46:[function(require,module,exports){
'use strict';

module.exports = partialSort;

// Floyd-Rivest selection algorithm:
// Rearrange items so that all items in the [left, k] range are smaller than all items in (k, right];
// The k-th element will have the (k - left + 1)th smallest value in [left, right]

function partialSort(arr, k, left, right, compare) {
    left = left || 0;
    right = right || (arr.length - 1);
    compare = compare || defaultCompare;

    while (right > left) {
        if (right - left > 600) {
            var n = right - left + 1;
            var m = k - left + 1;
            var z = Math.log(n);
            var s = 0.5 * Math.exp(2 * z / 3);
            var sd = 0.5 * Math.sqrt(z * s * (n - s) / n) * (m - n / 2 < 0 ? -1 : 1);
            var newLeft = Math.max(left, Math.floor(k - m * s / n + sd));
            var newRight = Math.min(right, Math.floor(k + (n - m) * s / n + sd));
            partialSort(arr, k, newLeft, newRight, compare);
        }

        var t = arr[k];
        var i = left;
        var j = right;

        swap(arr, left, k);
        if (compare(arr[right], t) > 0) swap(arr, left, right);

        while (i < j) {
            swap(arr, i, j);
            i++;
            j--;
            while (compare(arr[i], t) < 0) i++;
            while (compare(arr[j], t) > 0) j--;
        }

        if (compare(arr[left], t) === 0) swap(arr, left, j);
        else {
            j++;
            swap(arr, j, right);
        }

        if (j <= k) left = j + 1;
        if (k <= j) right = j - 1;
    }
}

function swap(arr, i, j) {
    var tmp = arr[i];
    arr[i] = arr[j];
    arr[j] = tmp;
}

function defaultCompare(a, b) {
    return a < b ? -1 : a > b ? 1 : 0;
}

},{}],47:[function(require,module,exports){
'use strict';

module.exports = rbush;

var quickselect = require('quickselect');

function rbush(maxEntries, format) {
    if (!(this instanceof rbush)) return new rbush(maxEntries, format);

    // max entries in a node is 9 by default; min node fill is 40% for best performance
    this._maxEntries = Math.max(4, maxEntries || 9);
    this._minEntries = Math.max(2, Math.ceil(this._maxEntries * 0.4));

    if (format) {
        this._initFormat(format);
    }

    this.clear();
}

rbush.prototype = {

    all: function () {
        return this._all(this.data, []);
    },

    search: function (bbox) {

        var node = this.data,
            result = [],
            toBBox = this.toBBox;

        if (!intersects(bbox, node)) return result;

        var nodesToSearch = [],
            i, len, child, childBBox;

        while (node) {
            for (i = 0, len = node.children.length; i < len; i++) {

                child = node.children[i];
                childBBox = node.leaf ? toBBox(child) : child;

                if (intersects(bbox, childBBox)) {
                    if (node.leaf) result.push(child);
                    else if (contains(bbox, childBBox)) this._all(child, result);
                    else nodesToSearch.push(child);
                }
            }
            node = nodesToSearch.pop();
        }

        return result;
    },

    collides: function (bbox) {

        var node = this.data,
            toBBox = this.toBBox;

        if (!intersects(bbox, node)) return false;

        var nodesToSearch = [],
            i, len, child, childBBox;

        while (node) {
            for (i = 0, len = node.children.length; i < len; i++) {

                child = node.children[i];
                childBBox = node.leaf ? toBBox(child) : child;

                if (intersects(bbox, childBBox)) {
                    if (node.leaf || contains(bbox, childBBox)) return true;
                    nodesToSearch.push(child);
                }
            }
            node = nodesToSearch.pop();
        }

        return false;
    },

    load: function (data) {
        if (!(data && data.length)) return this;

        if (data.length < this._minEntries) {
            for (var i = 0, len = data.length; i < len; i++) {
                this.insert(data[i]);
            }
            return this;
        }

        // recursively build the tree with the given data from stratch using OMT algorithm
        var node = this._build(data.slice(), 0, data.length - 1, 0);

        if (!this.data.children.length) {
            // save as is if tree is empty
            this.data = node;

        } else if (this.data.height === node.height) {
            // split root if trees have the same height
            this._splitRoot(this.data, node);

        } else {
            if (this.data.height < node.height) {
                // swap trees if inserted one is bigger
                var tmpNode = this.data;
                this.data = node;
                node = tmpNode;
            }

            // insert the small tree into the large tree at appropriate level
            this._insert(node, this.data.height - node.height - 1, true);
        }

        return this;
    },

    insert: function (item) {
        if (item) this._insert(item, this.data.height - 1);
        return this;
    },

    clear: function () {
        this.data = createNode([]);
        return this;
    },

    remove: function (item, equalsFn) {
        if (!item) return this;

        var node = this.data,
            bbox = this.toBBox(item),
            path = [],
            indexes = [],
            i, parent, index, goingUp;

        // depth-first iterative tree traversal
        while (node || path.length) {

            if (!node) { // go up
                node = path.pop();
                parent = path[path.length - 1];
                i = indexes.pop();
                goingUp = true;
            }

            if (node.leaf) { // check current node
                index = findItem(item, node.children, equalsFn);

                if (index !== -1) {
                    // item found, remove the item and condense tree upwards
                    node.children.splice(index, 1);
                    path.push(node);
                    this._condense(path);
                    return this;
                }
            }

            if (!goingUp && !node.leaf && contains(node, bbox)) { // go down
                path.push(node);
                indexes.push(i);
                i = 0;
                parent = node;
                node = node.children[0];

            } else if (parent) { // go right
                i++;
                node = parent.children[i];
                goingUp = false;

            } else node = null; // nothing found
        }

        return this;
    },

    toBBox: function (item) { return item; },

    compareMinX: compareNodeMinX,
    compareMinY: compareNodeMinY,

    toJSON: function () { return this.data; },

    fromJSON: function (data) {
        this.data = data;
        return this;
    },

    _all: function (node, result) {
        var nodesToSearch = [];
        while (node) {
            if (node.leaf) result.push.apply(result, node.children);
            else nodesToSearch.push.apply(nodesToSearch, node.children);

            node = nodesToSearch.pop();
        }
        return result;
    },

    _build: function (items, left, right, height) {

        var N = right - left + 1,
            M = this._maxEntries,
            node;

        if (N <= M) {
            // reached leaf level; return leaf
            node = createNode(items.slice(left, right + 1));
            calcBBox(node, this.toBBox);
            return node;
        }

        if (!height) {
            // target height of the bulk-loaded tree
            height = Math.ceil(Math.log(N) / Math.log(M));

            // target number of root entries to maximize storage utilization
            M = Math.ceil(N / Math.pow(M, height - 1));
        }

        node = createNode([]);
        node.leaf = false;
        node.height = height;

        // split the items into M mostly square tiles

        var N2 = Math.ceil(N / M),
            N1 = N2 * Math.ceil(Math.sqrt(M)),
            i, j, right2, right3;

        multiSelect(items, left, right, N1, this.compareMinX);

        for (i = left; i <= right; i += N1) {

            right2 = Math.min(i + N1 - 1, right);

            multiSelect(items, i, right2, N2, this.compareMinY);

            for (j = i; j <= right2; j += N2) {

                right3 = Math.min(j + N2 - 1, right2);

                // pack each entry recursively
                node.children.push(this._build(items, j, right3, height - 1));
            }
        }

        calcBBox(node, this.toBBox);

        return node;
    },

    _chooseSubtree: function (bbox, node, level, path) {

        var i, len, child, targetNode, area, enlargement, minArea, minEnlargement;

        while (true) {
            path.push(node);

            if (node.leaf || path.length - 1 === level) break;

            minArea = minEnlargement = Infinity;

            for (i = 0, len = node.children.length; i < len; i++) {
                child = node.children[i];
                area = bboxArea(child);
                enlargement = enlargedArea(bbox, child) - area;

                // choose entry with the least area enlargement
                if (enlargement < minEnlargement) {
                    minEnlargement = enlargement;
                    minArea = area < minArea ? area : minArea;
                    targetNode = child;

                } else if (enlargement === minEnlargement) {
                    // otherwise choose one with the smallest area
                    if (area < minArea) {
                        minArea = area;
                        targetNode = child;
                    }
                }
            }

            node = targetNode || node.children[0];
        }

        return node;
    },

    _insert: function (item, level, isNode) {

        var toBBox = this.toBBox,
            bbox = isNode ? item : toBBox(item),
            insertPath = [];

        // find the best node for accommodating the item, saving all nodes along the path too
        var node = this._chooseSubtree(bbox, this.data, level, insertPath);

        // put the item into the node
        node.children.push(item);
        extend(node, bbox);

        // split on node overflow; propagate upwards if necessary
        while (level >= 0) {
            if (insertPath[level].children.length > this._maxEntries) {
                this._split(insertPath, level);
                level--;
            } else break;
        }

        // adjust bboxes along the insertion path
        this._adjustParentBBoxes(bbox, insertPath, level);
    },

    // split overflowed node into two
    _split: function (insertPath, level) {

        var node = insertPath[level],
            M = node.children.length,
            m = this._minEntries;

        this._chooseSplitAxis(node, m, M);

        var splitIndex = this._chooseSplitIndex(node, m, M);

        var newNode = createNode(node.children.splice(splitIndex, node.children.length - splitIndex));
        newNode.height = node.height;
        newNode.leaf = node.leaf;

        calcBBox(node, this.toBBox);
        calcBBox(newNode, this.toBBox);

        if (level) insertPath[level - 1].children.push(newNode);
        else this._splitRoot(node, newNode);
    },

    _splitRoot: function (node, newNode) {
        // split root node
        this.data = createNode([node, newNode]);
        this.data.height = node.height + 1;
        this.data.leaf = false;
        calcBBox(this.data, this.toBBox);
    },

    _chooseSplitIndex: function (node, m, M) {

        var i, bbox1, bbox2, overlap, area, minOverlap, minArea, index;

        minOverlap = minArea = Infinity;

        for (i = m; i <= M - m; i++) {
            bbox1 = distBBox(node, 0, i, this.toBBox);
            bbox2 = distBBox(node, i, M, this.toBBox);

            overlap = intersectionArea(bbox1, bbox2);
            area = bboxArea(bbox1) + bboxArea(bbox2);

            // choose distribution with minimum overlap
            if (overlap < minOverlap) {
                minOverlap = overlap;
                index = i;

                minArea = area < minArea ? area : minArea;

            } else if (overlap === minOverlap) {
                // otherwise choose distribution with minimum area
                if (area < minArea) {
                    minArea = area;
                    index = i;
                }
            }
        }

        return index;
    },

    // sorts node children by the best axis for split
    _chooseSplitAxis: function (node, m, M) {

        var compareMinX = node.leaf ? this.compareMinX : compareNodeMinX,
            compareMinY = node.leaf ? this.compareMinY : compareNodeMinY,
            xMargin = this._allDistMargin(node, m, M, compareMinX),
            yMargin = this._allDistMargin(node, m, M, compareMinY);

        // if total distributions margin value is minimal for x, sort by minX,
        // otherwise it's already sorted by minY
        if (xMargin < yMargin) node.children.sort(compareMinX);
    },

    // total margin of all possible split distributions where each node is at least m full
    _allDistMargin: function (node, m, M, compare) {

        node.children.sort(compare);

        var toBBox = this.toBBox,
            leftBBox = distBBox(node, 0, m, toBBox),
            rightBBox = distBBox(node, M - m, M, toBBox),
            margin = bboxMargin(leftBBox) + bboxMargin(rightBBox),
            i, child;

        for (i = m; i < M - m; i++) {
            child = node.children[i];
            extend(leftBBox, node.leaf ? toBBox(child) : child);
            margin += bboxMargin(leftBBox);
        }

        for (i = M - m - 1; i >= m; i--) {
            child = node.children[i];
            extend(rightBBox, node.leaf ? toBBox(child) : child);
            margin += bboxMargin(rightBBox);
        }

        return margin;
    },

    _adjustParentBBoxes: function (bbox, path, level) {
        // adjust bboxes along the given tree path
        for (var i = level; i >= 0; i--) {
            extend(path[i], bbox);
        }
    },

    _condense: function (path) {
        // go through the path, removing empty nodes and updating bboxes
        for (var i = path.length - 1, siblings; i >= 0; i--) {
            if (path[i].children.length === 0) {
                if (i > 0) {
                    siblings = path[i - 1].children;
                    siblings.splice(siblings.indexOf(path[i]), 1);

                } else this.clear();

            } else calcBBox(path[i], this.toBBox);
        }
    },

    _initFormat: function (format) {
        // data format (minX, minY, maxX, maxY accessors)

        // uses eval-type function compilation instead of just accepting a toBBox function
        // because the algorithms are very sensitive to sorting functions performance,
        // so they should be dead simple and without inner calls

        var compareArr = ['return a', ' - b', ';'];

        this.compareMinX = new Function('a', 'b', compareArr.join(format[0]));
        this.compareMinY = new Function('a', 'b', compareArr.join(format[1]));

        this.toBBox = new Function('a',
            'return {minX: a' + format[0] +
            ', minY: a' + format[1] +
            ', maxX: a' + format[2] +
            ', maxY: a' + format[3] + '};');
    }
};

function findItem(item, items, equalsFn) {
    if (!equalsFn) return items.indexOf(item);

    for (var i = 0; i < items.length; i++) {
        if (equalsFn(item, items[i])) return i;
    }
    return -1;
}

// calculate node's bbox from bboxes of its children
function calcBBox(node, toBBox) {
    distBBox(node, 0, node.children.length, toBBox, node);
}

// min bounding rectangle of node children from k to p-1
function distBBox(node, k, p, toBBox, destNode) {
    if (!destNode) destNode = createNode(null);
    destNode.minX = Infinity;
    destNode.minY = Infinity;
    destNode.maxX = -Infinity;
    destNode.maxY = -Infinity;

    for (var i = k, child; i < p; i++) {
        child = node.children[i];
        extend(destNode, node.leaf ? toBBox(child) : child);
    }

    return destNode;
}

function extend(a, b) {
    a.minX = Math.min(a.minX, b.minX);
    a.minY = Math.min(a.minY, b.minY);
    a.maxX = Math.max(a.maxX, b.maxX);
    a.maxY = Math.max(a.maxY, b.maxY);
    return a;
}

function compareNodeMinX(a, b) { return a.minX - b.minX; }
function compareNodeMinY(a, b) { return a.minY - b.minY; }

function bboxArea(a)   { return (a.maxX - a.minX) * (a.maxY - a.minY); }
function bboxMargin(a) { return (a.maxX - a.minX) + (a.maxY - a.minY); }

function enlargedArea(a, b) {
    return (Math.max(b.maxX, a.maxX) - Math.min(b.minX, a.minX)) *
           (Math.max(b.maxY, a.maxY) - Math.min(b.minY, a.minY));
}

function intersectionArea(a, b) {
    var minX = Math.max(a.minX, b.minX),
        minY = Math.max(a.minY, b.minY),
        maxX = Math.min(a.maxX, b.maxX),
        maxY = Math.min(a.maxY, b.maxY);

    return Math.max(0, maxX - minX) *
           Math.max(0, maxY - minY);
}

function contains(a, b) {
    return a.minX <= b.minX &&
           a.minY <= b.minY &&
           b.maxX <= a.maxX &&
           b.maxY <= a.maxY;
}

function intersects(a, b) {
    return b.minX <= a.maxX &&
           b.minY <= a.maxY &&
           b.maxX >= a.minX &&
           b.maxY >= a.minY;
}

function createNode(children) {
    return {
        children: children,
        height: 1,
        leaf: true,
        minX: Infinity,
        minY: Infinity,
        maxX: -Infinity,
        maxY: -Infinity
    };
}

// sort an array so that items come in groups of n unsorted items, with groups sorted between each other;
// combines selection algorithm with binary divide & conquer approach

function multiSelect(arr, left, right, n, compare) {
    var stack = [left, right],
        mid;

    while (stack.length) {
        right = stack.pop();
        left = stack.pop();

        if (right - left <= n) continue;

        mid = left + Math.ceil((right - left) / n / 2) * n;
        quickselect(arr, mid, left, right, compare);

        stack.push(left, mid, mid, right);
    }
}

},{"quickselect":46}],48:[function(require,module,exports){
"use strict"

var twoProduct = require("two-product")
var robustSum = require("robust-sum")
var robustScale = require("robust-scale")
var robustSubtract = require("robust-subtract")

var NUM_EXPAND = 5

var EPSILON     = 1.1102230246251565e-16
var ERRBOUND3   = (3.0 + 16.0 * EPSILON) * EPSILON
var ERRBOUND4   = (7.0 + 56.0 * EPSILON) * EPSILON

function cofactor(m, c) {
  var result = new Array(m.length-1)
  for(var i=1; i<m.length; ++i) {
    var r = result[i-1] = new Array(m.length-1)
    for(var j=0,k=0; j<m.length; ++j) {
      if(j === c) {
        continue
      }
      r[k++] = m[i][j]
    }
  }
  return result
}

function matrix(n) {
  var result = new Array(n)
  for(var i=0; i<n; ++i) {
    result[i] = new Array(n)
    for(var j=0; j<n; ++j) {
      result[i][j] = ["m", j, "[", (n-i-1), "]"].join("")
    }
  }
  return result
}

function sign(n) {
  if(n & 1) {
    return "-"
  }
  return ""
}

function generateSum(expr) {
  if(expr.length === 1) {
    return expr[0]
  } else if(expr.length === 2) {
    return ["sum(", expr[0], ",", expr[1], ")"].join("")
  } else {
    var m = expr.length>>1
    return ["sum(", generateSum(expr.slice(0, m)), ",", generateSum(expr.slice(m)), ")"].join("")
  }
}

function determinant(m) {
  if(m.length === 2) {
    return [["sum(prod(", m[0][0], ",", m[1][1], "),prod(-", m[0][1], ",", m[1][0], "))"].join("")]
  } else {
    var expr = []
    for(var i=0; i<m.length; ++i) {
      expr.push(["scale(", generateSum(determinant(cofactor(m, i))), ",", sign(i), m[0][i], ")"].join(""))
    }
    return expr
  }
}

function orientation(n) {
  var pos = []
  var neg = []
  var m = matrix(n)
  var args = []
  for(var i=0; i<n; ++i) {
    if((i&1)===0) {
      pos.push.apply(pos, determinant(cofactor(m, i)))
    } else {
      neg.push.apply(neg, determinant(cofactor(m, i)))
    }
    args.push("m" + i)
  }
  var posExpr = generateSum(pos)
  var negExpr = generateSum(neg)
  var funcName = "orientation" + n + "Exact"
  var code = ["function ", funcName, "(", args.join(), "){var p=", posExpr, ",n=", negExpr, ",d=sub(p,n);\
return d[d.length-1];};return ", funcName].join("")
  var proc = new Function("sum", "prod", "scale", "sub", code)
  return proc(robustSum, twoProduct, robustScale, robustSubtract)
}

var orientation3Exact = orientation(3)
var orientation4Exact = orientation(4)

var CACHED = [
  function orientation0() { return 0 },
  function orientation1() { return 0 },
  function orientation2(a, b) { 
    return b[0] - a[0]
  },
  function orientation3(a, b, c) {
    var l = (a[1] - c[1]) * (b[0] - c[0])
    var r = (a[0] - c[0]) * (b[1] - c[1])
    var det = l - r
    var s
    if(l > 0) {
      if(r <= 0) {
        return det
      } else {
        s = l + r
      }
    } else if(l < 0) {
      if(r >= 0) {
        return det
      } else {
        s = -(l + r)
      }
    } else {
      return det
    }
    var tol = ERRBOUND3 * s
    if(det >= tol || det <= -tol) {
      return det
    }
    return orientation3Exact(a, b, c)
  },
  function orientation4(a,b,c,d) {
    var adx = a[0] - d[0]
    var bdx = b[0] - d[0]
    var cdx = c[0] - d[0]
    var ady = a[1] - d[1]
    var bdy = b[1] - d[1]
    var cdy = c[1] - d[1]
    var adz = a[2] - d[2]
    var bdz = b[2] - d[2]
    var cdz = c[2] - d[2]
    var bdxcdy = bdx * cdy
    var cdxbdy = cdx * bdy
    var cdxady = cdx * ady
    var adxcdy = adx * cdy
    var adxbdy = adx * bdy
    var bdxady = bdx * ady
    var det = adz * (bdxcdy - cdxbdy) 
            + bdz * (cdxady - adxcdy)
            + cdz * (adxbdy - bdxady)
    var permanent = (Math.abs(bdxcdy) + Math.abs(cdxbdy)) * Math.abs(adz)
                  + (Math.abs(cdxady) + Math.abs(adxcdy)) * Math.abs(bdz)
                  + (Math.abs(adxbdy) + Math.abs(bdxady)) * Math.abs(cdz)
    var tol = ERRBOUND4 * permanent
    if ((det > tol) || (-det > tol)) {
      return det
    }
    return orientation4Exact(a,b,c,d)
  }
]

function slowOrient(args) {
  var proc = CACHED[args.length]
  if(!proc) {
    proc = CACHED[args.length] = orientation(args.length)
  }
  return proc.apply(undefined, args)
}

function generateOrientationProc() {
  while(CACHED.length <= NUM_EXPAND) {
    CACHED.push(orientation(CACHED.length))
  }
  var args = []
  var procArgs = ["slow"]
  for(var i=0; i<=NUM_EXPAND; ++i) {
    args.push("a" + i)
    procArgs.push("o" + i)
  }
  var code = [
    "function getOrientation(", args.join(), "){switch(arguments.length){case 0:case 1:return 0;"
  ]
  for(var i=2; i<=NUM_EXPAND; ++i) {
    code.push("case ", i, ":return o", i, "(", args.slice(0, i).join(), ");")
  }
  code.push("}var s=new Array(arguments.length);for(var i=0;i<arguments.length;++i){s[i]=arguments[i]};return slow(s);}return getOrientation")
  procArgs.push(code.join(""))

  var proc = Function.apply(undefined, procArgs)
  module.exports = proc.apply(undefined, [slowOrient].concat(CACHED))
  for(var i=0; i<=NUM_EXPAND; ++i) {
    module.exports[i] = CACHED[i]
  }
}

generateOrientationProc()
},{"robust-scale":49,"robust-subtract":50,"robust-sum":51,"two-product":54}],49:[function(require,module,exports){
"use strict"

var twoProduct = require("two-product")
var twoSum = require("two-sum")

module.exports = scaleLinearExpansion

function scaleLinearExpansion(e, scale) {
  var n = e.length
  if(n === 1) {
    var ts = twoProduct(e[0], scale)
    if(ts[0]) {
      return ts
    }
    return [ ts[1] ]
  }
  var g = new Array(2 * n)
  var q = [0.1, 0.1]
  var t = [0.1, 0.1]
  var count = 0
  twoProduct(e[0], scale, q)
  if(q[0]) {
    g[count++] = q[0]
  }
  for(var i=1; i<n; ++i) {
    twoProduct(e[i], scale, t)
    var pq = q[1]
    twoSum(pq, t[0], q)
    if(q[0]) {
      g[count++] = q[0]
    }
    var a = t[1]
    var b = q[1]
    var x = a + b
    var bv = x - a
    var y = b - bv
    q[1] = x
    if(y) {
      g[count++] = y
    }
  }
  if(q[1]) {
    g[count++] = q[1]
  }
  if(count === 0) {
    g[count++] = 0.0
  }
  g.length = count
  return g
}
},{"two-product":54,"two-sum":55}],50:[function(require,module,exports){
"use strict"

module.exports = robustSubtract

//Easy case: Add two scalars
function scalarScalar(a, b) {
  var x = a + b
  var bv = x - a
  var av = x - bv
  var br = b - bv
  var ar = a - av
  var y = ar + br
  if(y) {
    return [y, x]
  }
  return [x]
}

function robustSubtract(e, f) {
  var ne = e.length|0
  var nf = f.length|0
  if(ne === 1 && nf === 1) {
    return scalarScalar(e[0], -f[0])
  }
  var n = ne + nf
  var g = new Array(n)
  var count = 0
  var eptr = 0
  var fptr = 0
  var abs = Math.abs
  var ei = e[eptr]
  var ea = abs(ei)
  var fi = -f[fptr]
  var fa = abs(fi)
  var a, b
  if(ea < fa) {
    b = ei
    eptr += 1
    if(eptr < ne) {
      ei = e[eptr]
      ea = abs(ei)
    }
  } else {
    b = fi
    fptr += 1
    if(fptr < nf) {
      fi = -f[fptr]
      fa = abs(fi)
    }
  }
  if((eptr < ne && ea < fa) || (fptr >= nf)) {
    a = ei
    eptr += 1
    if(eptr < ne) {
      ei = e[eptr]
      ea = abs(ei)
    }
  } else {
    a = fi
    fptr += 1
    if(fptr < nf) {
      fi = -f[fptr]
      fa = abs(fi)
    }
  }
  var x = a + b
  var bv = x - a
  var y = b - bv
  var q0 = y
  var q1 = x
  var _x, _bv, _av, _br, _ar
  while(eptr < ne && fptr < nf) {
    if(ea < fa) {
      a = ei
      eptr += 1
      if(eptr < ne) {
        ei = e[eptr]
        ea = abs(ei)
      }
    } else {
      a = fi
      fptr += 1
      if(fptr < nf) {
        fi = -f[fptr]
        fa = abs(fi)
      }
    }
    b = q0
    x = a + b
    bv = x - a
    y = b - bv
    if(y) {
      g[count++] = y
    }
    _x = q1 + x
    _bv = _x - q1
    _av = _x - _bv
    _br = x - _bv
    _ar = q1 - _av
    q0 = _ar + _br
    q1 = _x
  }
  while(eptr < ne) {
    a = ei
    b = q0
    x = a + b
    bv = x - a
    y = b - bv
    if(y) {
      g[count++] = y
    }
    _x = q1 + x
    _bv = _x - q1
    _av = _x - _bv
    _br = x - _bv
    _ar = q1 - _av
    q0 = _ar + _br
    q1 = _x
    eptr += 1
    if(eptr < ne) {
      ei = e[eptr]
    }
  }
  while(fptr < nf) {
    a = fi
    b = q0
    x = a + b
    bv = x - a
    y = b - bv
    if(y) {
      g[count++] = y
    } 
    _x = q1 + x
    _bv = _x - q1
    _av = _x - _bv
    _br = x - _bv
    _ar = q1 - _av
    q0 = _ar + _br
    q1 = _x
    fptr += 1
    if(fptr < nf) {
      fi = -f[fptr]
    }
  }
  if(q0) {
    g[count++] = q0
  }
  if(q1) {
    g[count++] = q1
  }
  if(!count) {
    g[count++] = 0.0  
  }
  g.length = count
  return g
}
},{}],51:[function(require,module,exports){
"use strict"

module.exports = linearExpansionSum

//Easy case: Add two scalars
function scalarScalar(a, b) {
  var x = a + b
  var bv = x - a
  var av = x - bv
  var br = b - bv
  var ar = a - av
  var y = ar + br
  if(y) {
    return [y, x]
  }
  return [x]
}

function linearExpansionSum(e, f) {
  var ne = e.length|0
  var nf = f.length|0
  if(ne === 1 && nf === 1) {
    return scalarScalar(e[0], f[0])
  }
  var n = ne + nf
  var g = new Array(n)
  var count = 0
  var eptr = 0
  var fptr = 0
  var abs = Math.abs
  var ei = e[eptr]
  var ea = abs(ei)
  var fi = f[fptr]
  var fa = abs(fi)
  var a, b
  if(ea < fa) {
    b = ei
    eptr += 1
    if(eptr < ne) {
      ei = e[eptr]
      ea = abs(ei)
    }
  } else {
    b = fi
    fptr += 1
    if(fptr < nf) {
      fi = f[fptr]
      fa = abs(fi)
    }
  }
  if((eptr < ne && ea < fa) || (fptr >= nf)) {
    a = ei
    eptr += 1
    if(eptr < ne) {
      ei = e[eptr]
      ea = abs(ei)
    }
  } else {
    a = fi
    fptr += 1
    if(fptr < nf) {
      fi = f[fptr]
      fa = abs(fi)
    }
  }
  var x = a + b
  var bv = x - a
  var y = b - bv
  var q0 = y
  var q1 = x
  var _x, _bv, _av, _br, _ar
  while(eptr < ne && fptr < nf) {
    if(ea < fa) {
      a = ei
      eptr += 1
      if(eptr < ne) {
        ei = e[eptr]
        ea = abs(ei)
      }
    } else {
      a = fi
      fptr += 1
      if(fptr < nf) {
        fi = f[fptr]
        fa = abs(fi)
      }
    }
    b = q0
    x = a + b
    bv = x - a
    y = b - bv
    if(y) {
      g[count++] = y
    }
    _x = q1 + x
    _bv = _x - q1
    _av = _x - _bv
    _br = x - _bv
    _ar = q1 - _av
    q0 = _ar + _br
    q1 = _x
  }
  while(eptr < ne) {
    a = ei
    b = q0
    x = a + b
    bv = x - a
    y = b - bv
    if(y) {
      g[count++] = y
    }
    _x = q1 + x
    _bv = _x - q1
    _av = _x - _bv
    _br = x - _bv
    _ar = q1 - _av
    q0 = _ar + _br
    q1 = _x
    eptr += 1
    if(eptr < ne) {
      ei = e[eptr]
    }
  }
  while(fptr < nf) {
    a = fi
    b = q0
    x = a + b
    bv = x - a
    y = b - bv
    if(y) {
      g[count++] = y
    } 
    _x = q1 + x
    _bv = _x - q1
    _av = _x - _bv
    _br = x - _bv
    _ar = q1 - _av
    q0 = _ar + _br
    q1 = _x
    fptr += 1
    if(fptr < nf) {
      fi = f[fptr]
    }
  }
  if(q0) {
    g[count++] = q0
  }
  if(q1) {
    g[count++] = q1
  }
  if(!count) {
    g[count++] = 0.0  
  }
  g.length = count
  return g
}
},{}],52:[function(require,module,exports){
"use strict"; "use restrict";

var bits      = require("bit-twiddle")
  , UnionFind = require("union-find")

//Returns the dimension of a cell complex
function dimension(cells) {
  var d = 0
    , max = Math.max
  for(var i=0, il=cells.length; i<il; ++i) {
    d = max(d, cells[i].length)
  }
  return d-1
}
exports.dimension = dimension

//Counts the number of vertices in faces
function countVertices(cells) {
  var vc = -1
    , max = Math.max
  for(var i=0, il=cells.length; i<il; ++i) {
    var c = cells[i]
    for(var j=0, jl=c.length; j<jl; ++j) {
      vc = max(vc, c[j])
    }
  }
  return vc+1
}
exports.countVertices = countVertices

//Returns a deep copy of cells
function cloneCells(cells) {
  var ncells = new Array(cells.length)
  for(var i=0, il=cells.length; i<il; ++i) {
    ncells[i] = cells[i].slice(0)
  }
  return ncells
}
exports.cloneCells = cloneCells

//Ranks a pair of cells up to permutation
function compareCells(a, b) {
  var n = a.length
    , t = a.length - b.length
    , min = Math.min
  if(t) {
    return t
  }
  switch(n) {
    case 0:
      return 0;
    case 1:
      return a[0] - b[0];
    case 2:
      var d = a[0]+a[1]-b[0]-b[1]
      if(d) {
        return d
      }
      return min(a[0],a[1]) - min(b[0],b[1])
    case 3:
      var l1 = a[0]+a[1]
        , m1 = b[0]+b[1]
      d = l1+a[2] - (m1+b[2])
      if(d) {
        return d
      }
      var l0 = min(a[0], a[1])
        , m0 = min(b[0], b[1])
        , d  = min(l0, a[2]) - min(m0, b[2])
      if(d) {
        return d
      }
      return min(l0+a[2], l1) - min(m0+b[2], m1)
    
    //TODO: Maybe optimize n=4 as well?
    
    default:
      var as = a.slice(0)
      as.sort()
      var bs = b.slice(0)
      bs.sort()
      for(var i=0; i<n; ++i) {
        t = as[i] - bs[i]
        if(t) {
          return t
        }
      }
      return 0
  }
}
exports.compareCells = compareCells

function compareZipped(a, b) {
  return compareCells(a[0], b[0])
}

//Puts a cell complex into normal order for the purposes of findCell queries
function normalize(cells, attr) {
  if(attr) {
    var len = cells.length
    var zipped = new Array(len)
    for(var i=0; i<len; ++i) {
      zipped[i] = [cells[i], attr[i]]
    }
    zipped.sort(compareZipped)
    for(var i=0; i<len; ++i) {
      cells[i] = zipped[i][0]
      attr[i] = zipped[i][1]
    }
    return cells
  } else {
    cells.sort(compareCells)
    return cells
  }
}
exports.normalize = normalize

//Removes all duplicate cells in the complex
function unique(cells) {
  if(cells.length === 0) {
    return []
  }
  var ptr = 1
    , len = cells.length
  for(var i=1; i<len; ++i) {
    var a = cells[i]
    if(compareCells(a, cells[i-1])) {
      if(i === ptr) {
        ptr++
        continue
      }
      cells[ptr++] = a
    }
  }
  cells.length = ptr
  return cells
}
exports.unique = unique;

//Finds a cell in a normalized cell complex
function findCell(cells, c) {
  var lo = 0
    , hi = cells.length-1
    , r  = -1
  while (lo <= hi) {
    var mid = (lo + hi) >> 1
      , s   = compareCells(cells[mid], c)
    if(s <= 0) {
      if(s === 0) {
        r = mid
      }
      lo = mid + 1
    } else if(s > 0) {
      hi = mid - 1
    }
  }
  return r
}
exports.findCell = findCell;

//Builds an index for an n-cell.  This is more general than dual, but less efficient
function incidence(from_cells, to_cells) {
  var index = new Array(from_cells.length)
  for(var i=0, il=index.length; i<il; ++i) {
    index[i] = []
  }
  var b = []
  for(var i=0, n=to_cells.length; i<n; ++i) {
    var c = to_cells[i]
    var cl = c.length
    for(var k=1, kn=(1<<cl); k<kn; ++k) {
      b.length = bits.popCount(k)
      var l = 0
      for(var j=0; j<cl; ++j) {
        if(k & (1<<j)) {
          b[l++] = c[j]
        }
      }
      var idx=findCell(from_cells, b)
      if(idx < 0) {
        continue
      }
      while(true) {
        index[idx++].push(i)
        if(idx >= from_cells.length || compareCells(from_cells[idx], b) !== 0) {
          break
        }
      }
    }
  }
  return index
}
exports.incidence = incidence

//Computes the dual of the mesh.  This is basically an optimized version of buildIndex for the situation where from_cells is just the list of vertices
function dual(cells, vertex_count) {
  if(!vertex_count) {
    return incidence(unique(skeleton(cells, 0)), cells, 0)
  }
  var res = new Array(vertex_count)
  for(var i=0; i<vertex_count; ++i) {
    res[i] = []
  }
  for(var i=0, len=cells.length; i<len; ++i) {
    var c = cells[i]
    for(var j=0, cl=c.length; j<cl; ++j) {
      res[c[j]].push(i)
    }
  }
  return res
}
exports.dual = dual

//Enumerates all cells in the complex
function explode(cells) {
  var result = []
  for(var i=0, il=cells.length; i<il; ++i) {
    var c = cells[i]
      , cl = c.length|0
    for(var j=1, jl=(1<<cl); j<jl; ++j) {
      var b = []
      for(var k=0; k<cl; ++k) {
        if((j >>> k) & 1) {
          b.push(c[k])
        }
      }
      result.push(b)
    }
  }
  return normalize(result)
}
exports.explode = explode

//Enumerates all of the n-cells of a cell complex
function skeleton(cells, n) {
  if(n < 0) {
    return []
  }
  var result = []
    , k0     = (1<<(n+1))-1
  for(var i=0; i<cells.length; ++i) {
    var c = cells[i]
    for(var k=k0; k<(1<<c.length); k=bits.nextCombination(k)) {
      var b = new Array(n+1)
        , l = 0
      for(var j=0; j<c.length; ++j) {
        if(k & (1<<j)) {
          b[l++] = c[j]
        }
      }
      result.push(b)
    }
  }
  return normalize(result)
}
exports.skeleton = skeleton;

//Computes the boundary of all cells, does not remove duplicates
function boundary(cells) {
  var res = []
  for(var i=0,il=cells.length; i<il; ++i) {
    var c = cells[i]
    for(var j=0,cl=c.length; j<cl; ++j) {
      var b = new Array(c.length-1)
      for(var k=0, l=0; k<cl; ++k) {
        if(k !== j) {
          b[l++] = c[k]
        }
      }
      res.push(b)
    }
  }
  return normalize(res)
}
exports.boundary = boundary;

//Computes connected components for a dense cell complex
function connectedComponents_dense(cells, vertex_count) {
  var labels = new UnionFind(vertex_count)
  for(var i=0; i<cells.length; ++i) {
    var c = cells[i]
    for(var j=0; j<c.length; ++j) {
      for(var k=j+1; k<c.length; ++k) {
        labels.link(c[j], c[k])
      }
    }
  }
  var components = []
    , component_labels = labels.ranks
  for(var i=0; i<component_labels.length; ++i) {
    component_labels[i] = -1
  }
  for(var i=0; i<cells.length; ++i) {
    var l = labels.find(cells[i][0])
    if(component_labels[l] < 0) {
      component_labels[l] = components.length
      components.push([cells[i].slice(0)])
    } else {
      components[component_labels[l]].push(cells[i].slice(0))
    }
  }
  return components
}

//Computes connected components for a sparse graph
function connectedComponents_sparse(cells) {
  var vertices  = unique(normalize(skeleton(cells, 0)))
    , labels    = new UnionFind(vertices.length)
  for(var i=0; i<cells.length; ++i) {
    var c = cells[i]
    for(var j=0; j<c.length; ++j) {
      var vj = findCell(vertices, [c[j]])
      for(var k=j+1; k<c.length; ++k) {
        labels.link(vj, findCell(vertices, [c[k]]))
      }
    }
  }
  var components        = []
    , component_labels  = labels.ranks
  for(var i=0; i<component_labels.length; ++i) {
    component_labels[i] = -1
  }
  for(var i=0; i<cells.length; ++i) {
    var l = labels.find(findCell(vertices, [cells[i][0]]));
    if(component_labels[l] < 0) {
      component_labels[l] = components.length
      components.push([cells[i].slice(0)])
    } else {
      components[component_labels[l]].push(cells[i].slice(0))
    }
  }
  return components
}

//Computes connected components for a cell complex
function connectedComponents(cells, vertex_count) {
  if(vertex_count) {
    return connectedComponents_dense(cells, vertex_count)
  }
  return connectedComponents_sparse(cells)
}
exports.connectedComponents = connectedComponents

},{"bit-twiddle":36,"union-find":56}],53:[function(require,module,exports){
/*
 (c) 2013, Vladimir Agafonkin
 Simplify.js, a high-performance JS polyline simplification library
 mourner.github.io/simplify-js
*/

(function () { 'use strict';

// to suit your point format, run search/replace for '.x' and '.y';
// for 3D version, see 3d branch (configurability would draw significant performance overhead)

// square distance between 2 points
function getSqDist(p1, p2) {

    var dx = p1.x - p2.x,
        dy = p1.y - p2.y;

    return dx * dx + dy * dy;
}

// square distance from a point to a segment
function getSqSegDist(p, p1, p2) {

    var x = p1.x,
        y = p1.y,
        dx = p2.x - x,
        dy = p2.y - y;

    if (dx !== 0 || dy !== 0) {

        var t = ((p.x - x) * dx + (p.y - y) * dy) / (dx * dx + dy * dy);

        if (t > 1) {
            x = p2.x;
            y = p2.y;

        } else if (t > 0) {
            x += dx * t;
            y += dy * t;
        }
    }

    dx = p.x - x;
    dy = p.y - y;

    return dx * dx + dy * dy;
}
// rest of the code doesn't care about point format

// basic distance-based simplification
function simplifyRadialDist(points, sqTolerance) {

    var prevPoint = points[0],
        newPoints = [prevPoint],
        point;

    for (var i = 1, len = points.length; i < len; i++) {
        point = points[i];

        if (getSqDist(point, prevPoint) > sqTolerance) {
            newPoints.push(point);
            prevPoint = point;
        }
    }

    if (prevPoint !== point) newPoints.push(point);

    return newPoints;
}

// simplification using optimized Douglas-Peucker algorithm with recursion elimination
function simplifyDouglasPeucker(points, sqTolerance) {

    var len = points.length,
        MarkerArray = typeof Uint8Array !== 'undefined' ? Uint8Array : Array,
        markers = new MarkerArray(len),
        first = 0,
        last = len - 1,
        stack = [],
        newPoints = [],
        i, maxSqDist, sqDist, index;

    markers[first] = markers[last] = 1;

    while (last) {

        maxSqDist = 0;

        for (i = first + 1; i < last; i++) {
            sqDist = getSqSegDist(points[i], points[first], points[last]);

            if (sqDist > maxSqDist) {
                index = i;
                maxSqDist = sqDist;
            }
        }

        if (maxSqDist > sqTolerance) {
            markers[index] = 1;
            stack.push(first, index, index, last);
        }

        last = stack.pop();
        first = stack.pop();
    }

    for (i = 0; i < len; i++) {
        if (markers[i]) newPoints.push(points[i]);
    }

    return newPoints;
}

// both algorithms combined for awesome performance
function simplify(points, tolerance, highestQuality) {

    var sqTolerance = tolerance !== undefined ? tolerance * tolerance : 1;

    points = highestQuality ? points : simplifyRadialDist(points, sqTolerance);
    points = simplifyDouglasPeucker(points, sqTolerance);

    return points;
}

// export as AMD module / Node module / browser or worker variable
if (typeof define === 'function' && define.amd) define(function() { return simplify; });
else if (typeof module !== 'undefined') module.exports = simplify;
else if (typeof self !== 'undefined') self.simplify = simplify;
else window.simplify = simplify;

})();

},{}],54:[function(require,module,exports){
"use strict"

module.exports = twoProduct

var SPLITTER = +(Math.pow(2, 27) + 1.0)

function twoProduct(a, b, result) {
  var x = a * b

  var c = SPLITTER * a
  var abig = c - a
  var ahi = c - abig
  var alo = a - ahi

  var d = SPLITTER * b
  var bbig = d - b
  var bhi = d - bbig
  var blo = b - bhi

  var err1 = x - (ahi * bhi)
  var err2 = err1 - (alo * bhi)
  var err3 = err2 - (ahi * blo)

  var y = alo * blo - err3

  if(result) {
    result[0] = y
    result[1] = x
    return result
  }

  return [ y, x ]
}
},{}],55:[function(require,module,exports){
"use strict"

module.exports = fastTwoSum

function fastTwoSum(a, b, result) {
	var x = a + b
	var bv = x - a
	var av = x - bv
	var br = b - bv
	var ar = a - av
	if(result) {
		result[0] = ar + br
		result[1] = x
		return result
	}
	return [ar+br, x]
}
},{}],56:[function(require,module,exports){
"use strict"; "use restrict";

module.exports = UnionFind;

function UnionFind(count) {
  this.roots = new Array(count);
  this.ranks = new Array(count);
  
  for(var i=0; i<count; ++i) {
    this.roots[i] = i;
    this.ranks[i] = 0;
  }
}

var proto = UnionFind.prototype

Object.defineProperty(proto, "length", {
  "get": function() {
    return this.roots.length
  }
})

proto.makeSet = function() {
  var n = this.roots.length;
  this.roots.push(n);
  this.ranks.push(0);
  return n;
}

proto.find = function(x) {
  var x0 = x
  var roots = this.roots;
  while(roots[x] !== x) {
    x = roots[x]
  }
  while(roots[x0] !== x) {
    var y = roots[x0]
    roots[x0] = x
    x0 = y
  }
  return x;
}

proto.link = function(x, y) {
  var xr = this.find(x)
    , yr = this.find(y);
  if(xr === yr) {
    return;
  }
  var ranks = this.ranks
    , roots = this.roots
    , xd    = ranks[xr]
    , yd    = ranks[yr];
  if(xd < yd) {
    roots[xr] = yr;
  } else if(yd < xd) {
    roots[yr] = xr;
  } else {
    roots[yr] = xr;
    ++ranks[xr];
  }
}
},{}]},{},[1])(1)
});