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| var adjust_lon = require('./adjust_lon');
| var nad_intr = require('./nad_intr');
| var inverseNadCvt = require('./inverseNadCvt');
|
| module.exports = function(pin, inverse, ct) {
| var val = {
| "x": Number.NaN,
| "y": Number.NaN
| };
| if (isNaN(pin.x)) {
| return val;
| }
| var tb = {
| "x": pin.x,
| "y": pin.y
| };
| tb.x -= ct.ll[0];
| tb.y -= ct.ll[1];
| tb.x = adjust_lon(tb.x - Math.PI) + Math.PI;
| var t = nad_intr(tb, ct);
| if (inverse) {
| return inverseNadCvt(t, val, tb, ct);
| }
| else {
| if (!isNaN(t.x)) {
| val.x = pin.x - t.x;
| val.y = pin.y + t.y;
| }
| }
| return val;
| };
|
|
