function addGltf(url, lng, lat, height, heading , pitch , roll, scale , id) {
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// var modelMatrix = Cesium.Transforms.eastNorthUpToFixedFrame(Cesium.Cartesian3.fromDegrees(lng, lat, height));
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var model = viewer.scene.primitives.add(Cesium.Model.fromGltf({
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url: url, //如果为bgltf则为.bgltf
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// modelMatrix: modelMatrix,
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scale: scale, //放大倍数
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heightReference:Cesium.HeightReference.CLAMP_TO_GROUND,
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id : id,
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shadows : Cesium.ShadowMode.ENABLED,
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distanceDisplayCondition:new Cesium.DistanceDisplayCondition(0.0, 5000.0),
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color:Cesium.Color.fromAlpha(Cesium.Color.WHITE, 1),
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colorBlendMode:Cesium.ColorBlendMode.HIGHLIGHT
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}));
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var params= {
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tx: lng, //模型中心X轴坐标（经度，单位：十进制度）
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ty: lat, //模型中心Y轴坐标（纬度，单位：十进制度）
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tz: height, //模型中心Z轴坐标（高程，单位：米）
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rx: heading, //X轴（经度）方向旋转角度（单位：度）
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ry: pitch, //Y轴（纬度）方向旋转角度（单位：度）
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rz: roll , //Z轴（高程）方向旋转角度（单位：度）
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scale: scale
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};
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model.type = "model";
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model.tx = lng;
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model.ty = lat;
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model.tz = height;
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model.rx = heading;
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model.ry = pitch;
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model.rz = roll;
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update3dtilesMaxtrix(model,params);
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}
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//根据id获取 对象
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function getprimitiveModel(id){
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var primitives = viewer.scene.primitives;
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for (var i = 0; i < primitives.length; i++) {
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var primitive = primitives.get(i);
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if (typeof(primitive._id)!=='undefiend' && primitive._id == id) {
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return primitive;
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}
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}
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}
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function delprimitiveModel(id){
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var primitives = viewer.scene.primitives;
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for (var i = 0; i < primitives.length; i++) {
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var primitive = primitives.get(i);
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if (typeof(primitive._id)!=='undefiend' && primitive._id == id) {
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viewer.scene.primitives.remove(primitive);
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}
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}
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}
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function getentityModel(id){
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var entities = viewer.entities;
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return entities.getById(id);
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}
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function delentityModel(id){
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var entities = viewer.entities;
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return entities.removeById(id);
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}
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function get3DTile(tilesetid,title){
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if(base3dtilesPrimitives.length==0){
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return undefined;
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}else{
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var primitive = undefined;
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for(let i in base3dtilesPrimitives){
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if(tilesetid==base3dtilesPrimitives[i]._id){
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primitive = base3dtilesPrimitives[i];
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}
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}
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var objs = undefined;
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for(let i in primitive.root.children){
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// if(primitive.root.children[i].children[0]._content.batchTable._properties.名称 == title){
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if(primitive.root.children[i]._header.content.url == title){
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objs = primitive.root.children[i];
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}
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}
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return objs instanceof Cesium.Cesium3DTile?objs:undefined;
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}
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}
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function get3DTileSet(id){
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if(base3dtilesPrimitives.length==0){
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return undefined;
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}else{
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var primitive = undefined;
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for(let i in base3dtilesPrimitives){
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if(id==base3dtilesPrimitives[i]._id){
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primitive = base3dtilesPrimitives[i];
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}
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}
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return primitive instanceof Cesium.Cesium3DTileset?primitive:undefined;
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}
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}
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//更新模型
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function update3dtilesMaxtrix(model,params) {
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model.scale=params.scale;
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//旋转
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var mx = Cesium.Matrix3.fromRotationX(Cesium.Math.toRadians(params.rx));
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var my = Cesium.Matrix3.fromRotationY(Cesium.Math.toRadians(params.ry));
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var mz = Cesium.Matrix3.fromRotationZ(Cesium.Math.toRadians(params.rz));
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var rotationX = Cesium.Matrix4.fromRotationTranslation(mx);
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var rotationY = Cesium.Matrix4.fromRotationTranslation(my);
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var rotationZ = Cesium.Matrix4.fromRotationTranslation(mz);
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//平移
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var position = Cesium.Cartesian3.fromDegrees(params.tx, params.ty, params.tz);
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var m = Cesium.Transforms.eastNorthUpToFixedFrame(position);
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//旋转、平移矩阵相乘
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Cesium.Matrix4.multiply(m, rotationX, m);
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Cesium.Matrix4.multiply(m, rotationY, m);
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Cesium.Matrix4.multiply(m, rotationZ, m);
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//赋值给model
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model.modelMatrix = m;
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}
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function update3dtilesMaxtrix2(model,params) {
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//平移
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var position = Cesium.Cartesian3.fromDegrees(params.tx, params.ty, params.tz);
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var m = Cesium.Transforms.eastNorthUpToFixedFrame(position);
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//赋值给model
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model.modelMatrix = m;
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}
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