//================
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// 切换地图影像/加载水体/切换地形等类库
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//================
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//加载街道矢量瓦片数据
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function addVectorLayer() {
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viewer.imageryLayers.remove(tdtannoimagery, false);
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viewer.imageryLayers.remove(googleimagery, false);
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viewer.imageryLayers.remove(tdtimagery, false);
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viewer.imageryLayers.add(tdtvectorimagery);
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viewer.imageryLayers.add(tdtvectoranoimagery);
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}
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//加载谷歌遥感影像瓦片数据
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function addImageLayer() {
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viewer.imageryLayers.remove(tdtvectorimagery, false);
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viewer.imageryLayers.remove(tdtvectoranoimagery, false);
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viewer.imageryLayers.remove(tdtimagery, false);
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viewer.imageryLayers.add(googleimagery);
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viewer.imageryLayers.add(tdtannoimagery);
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}
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//加载天地图遥感影像瓦片数据
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function addtdtImageLayer() {
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viewer.imageryLayers.remove(googleimagery, false);
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viewer.imageryLayers.remove(tdtvectorimagery, false);
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viewer.imageryLayers.remove(tdtvectoranoimagery, false);
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viewer.imageryLayers.add(tdtimagery);
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viewer.imageryLayers.add(tdtannoimagery);
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}
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//切换地形加载
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function addWorldTerrain() {
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viewer.scene.terrainProvider = Cesium.createWorldTerrain({ requestWaterMask: true });
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}
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//本地地形
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function addchTerrain() {
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var terrainProvider = new Cesium.CesiumTerrainProvider({
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url: serverIP + "chineseterrain"
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});
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viewer.scene.terrainProvider = terrainProvider;
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}
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//椭球
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function addelTerrain() {
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viewer.scene.terrainProvider = new Cesium.EllipsoidTerrainProvider({});
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}
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//公共方法：单击行场景跳转至相应区域
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function flyToDestination(lng, lat, height) {
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viewer.camera.flyTo({
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destination: Cesium.Cartesian3.fromDegrees(Number(lng), Number(lat), Number(height))
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});
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}
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//跳转到cart视角
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function moveToWin(x, y, z, h, p) {
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viewer.camera.setView({
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destination: Cesium.Cartesian3.fromElements(Number(x), Number(y), Number(z)),
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orientation: {
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heading: Number(h),
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pitch: Number(p),
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roll: 0
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}
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});
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}
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//跳转到经纬度视角
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function moveToDegrees(x, y, z, h, p) {
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viewer.camera.setView({
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destination: Cesium.Cartesian3.fromDegrees(Number(x), Number(y), Number(z)),
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orientation: {
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heading: Number(h),
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pitch: Number(p),
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roll: 0
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}
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});
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}
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