cesium切换图层及初始时定位至中国
/** 中国坐标 */
getChinaPostion() {
return Cartesian3.fromDegrees(116.435314, 40.960521, 10000000.0);
},
/**
*初始定位中国
* */
flytochina() {
viewer.camera.flyTo({
destination: this.getChinaPostion(),
duration: 8
});
},
/**
* 切换地图
*/
changeBaseMap(type) {
viewer.imageryLayers.removeAll();
switch (type) {
//天地图
case "tdt":
viewer.imageryLayers.addImageryProvider(
new WebMapTileServiceImageryProvider({
url:
"https://t0.tianditu.com/img_w/wmts?service=wmts&request=GetTile&version=1.0.0&LAYER=img&tileMatrixSet=w&TileMatrix={TileMatrix}&TileRow={TileRow}&TileCol={TileCol}&style=default&format=tiles&tk=93d1fdef41f93d2211deed6d22780c48",
layer: "tdtBasicLayer",
style: "default",
format: "image/jpeg",
tileMatrixSetID: "GoogleMapsCompatible",
show: false,
maximumLevel: 16
})
);
break;
//天地图矢量
case "tdtsl":
viewer.imageryLayers.addImageryProvider(
new WebMapTileServiceImageryProvider({
url:
"https://t0.tianditu.com/vec_w/wmts?service=wmts&request=GetTile&version=1.0.0&LAYER=vec&tileMatrixSet=w&TileMatrix={TileMatrix}&TileRow={TileRow}&TileCol={TileCol}&style=default&format=tiles&tk=93d1fdef41f93d2211deed6d22780c48",
layer: "tdtVecBasicLayer",
style: "default",
format: "image/jpeg",
tileMatrixSetID: "GoogleMapsCompatible",
show: false
})
);
break;
//谷歌影像
case "gg":
var url =
"https://mt1.google.cn/vt/lyrs=s&hl=zh-CN&x={x}&y={y}&z={z}&s=Gali";
viewer.imageryLayers.addImageryProvider(
new UrlTemplateImageryProvider({ url: url })
);
break;
case "arcgis":
viewer.imageryLayers.addImageryProvider(
new ArcGisMapServerImageryProvider({
url:
"https://services.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer",
enablePickFeatures: false
})
);
break;
//必应
case "bing":
viewer.imageryLayers.addImageryProvider(
new BingMapsImageryProvider({
url: "https://dev.virtualearth.net",
key: "get-yours-at-https://www.bingmapsportal.com/",
mapStyle: BingMapsStyle.AERIAL
})
);
break;
case "dark":
viewer.imageryLayers.addImageryProvider(
new createTileMapServiceImageryProvider({
url: "https://cesiumjs.org/blackmarble",
credit: "Black Marble imagery courtesy NASA Earth Observatory",
flipXY: true // Only old gdal2tile.py generated tilesets need this flag.
})
);
break;
}//全球影像中文注记服务
viewer.imageryLayers.addImageryProvider(
new WebMapTileServiceImageryProvider({
url:
"https://t0.tianditu.com/cia_w/wmts?service=wmts&request=GetTile&version=1.0.0&LAYER=cia&tileMatrixSet=w&TileMatrix={TileMatrix}&TileRow={TileRow}&TileCol={TileCol}&style=default.jpg&tk=93d1fdef41f93d2211deed6d22780c48",
layer: "tdtAnnoLayer",
style: "default",
format: "image/jpeg",
tileMatrixSetID: "GoogleMapsCompatible",
show: false
})
);
//全球矢量中文标注服务
viewer.imageryLayers.addImageryProvider(
new WebMapTileServiceImageryProvider({
url:
"https://t0.tianditu.com/cva_w/wmts?service=wmts&request=GetTile&version=1.0.0&LAYER=cva&tileMatrixSet=w&TileMatrix={TileMatrix}&TileRow={TileRow}&TileCol={TileCol}&style=default.jpg&tk=93d1fdef41f93d2211deed6d22780c48",
layer: "tdtAnnoLayer",
style: "default",
format: "image/jpeg",
tileMatrixSetID: "GoogleMapsCompatible"
})
);
}【cesium切换图层及初始时定位至中国】
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