381 lines
14 KiB
HTML
381 lines
14 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<!-- Use correct character set. -->
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<meta charset="utf-8" />
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<!-- Tell IE to use the latest, best version. -->
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<meta http-equiv="X-UA-Compatible" content="IE=edge" />
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<!-- Make the application on mobile take up the full browser screen and disable user scaling. -->
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<meta
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name="viewport"
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content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"
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/>
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<title>天地图三维服务</title>
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<!-- <script src="./Build168/Cesium/Cesium.js"></script> -->
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<script src="./Build/Cesium/Cesium.js"></script>
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<!-- 添加天地图的cesium的扩展插件，目前支持cesuim1.52、1.58、1.63.1。 -->
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<script src="http://api.tianditu.gov.cn/cdn/plugins/cesium/cesiumTdt.js"></script>
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<style>
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@import url(./Build/Cesium/Widgets/widgets.css);
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html,
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body,
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#cesiumContainer {
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width: 100%;
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height: 100%;
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margin: 0;
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padding: 0;
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overflow: hidden;
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}
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#credit {
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display: none;
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}
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#river-container {
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position: absolute;
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top: 100px;
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left: 80px;
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}
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</style>
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<!-- 引入样式 -->
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<link rel="stylesheet" href="./js/elementui/index.css" />
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<!-- import Vue before Element -->
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<script src="./js/vue2710.js"></script>
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<!-- import JavaScript -->
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<script src="./js/elementui/index.js"></script>
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</head>
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<body>
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<div id="app">
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<div id="cesiumContainer"></div>
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<div id="river-container">
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<el-select v-model="value" placeholder="请选择" @change="selectRiver">
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<el-option
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v-for="item in options"
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:key="item.value"
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:label="item.label"
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:value="item.value"
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>
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</el-option>
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</el-select>
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<el-button @click="changeMode('2D')">切换成2D</el-button>
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<el-button @click="changeMode('3D')">3D</el-button>
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</div>
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<div id="credit"></div>
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</div>
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<script>
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new Vue({
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el: "#app",
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data() {
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return {
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options: [
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{
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value: "zhujiang",
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label: "珠江流域片",
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},
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{
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value: "dongnan",
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label: "东南诸河片",
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},
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{
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value: "xinan",
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label: "西南诸河片",
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},
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{
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value: "neiluhe",
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label: "内陆河片",
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},
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{
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value: "songliaohe",
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label: "松辽河流域片",
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},
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{
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value: "haihe",
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label: "海河流域片",
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},
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{
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value: "huaihe",
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label: "淮河流域片",
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},
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{
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value: "huanghe",
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label: "黄河流域片",
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},
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{
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value: "changjiang",
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label: "长江流域片",
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},
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],
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value: "",
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};
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},
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methods: {
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changeMode(type){
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if(type == "2D"){
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// scene.morphTo2D(0)
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const center = new Cesium.Cartesian2(viewer.scene.canvas.clientWidth / 2.0, viewer.scene.canvas.clientHeight / 2.0);
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const result = viewer.camera.pickEllipsoid(center, viewer.scene.globe.ellipsoid);
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console.log(result)
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viewer.camera.flyTo({
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destination:new Cesium.Cartesian3(result.x, result.y, result.z+1000000),
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complete:()=>{
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scene.morphTo2D(0)
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}
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});
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}else if(type == "3D"){
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scene.morphTo3D(0)
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}
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},
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selectRiver(riverName) {
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// this.addRiverGeojson(riverName);
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this.addRiverWms(riverName);
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},
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addRiverWms(riverName){
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const wmsProvider = new Cesium.WebMapServiceImageryProvider({
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// url: new Cesium.Resource({
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// proxy: new Cesium.DefaultProxy("http://127.0.0.1:8888/proxy/"),
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// url: "http://server.arcgisonline.com/arcgis/rest/services/Specialty/DeLorme_World_Base_Map/MapServer/WMSServer",
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// url: "http://localhost:8088/geoserver/iot/wms",
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url:"http://121.33.231.74:5097/geoserver/iot/wms",
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// }),
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layers: "iot:"+riverName+"_river",
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crs: "4326",
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rectangle: new Cesium.Rectangle(
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Cesium.Math.toRadians(102.33435821533203),
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Cesium.Math.toRadians(18.177719116210938),
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Cesium.Math.toRadians(117.17308044433594),
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Cesium.Math.toRadians(26.804235458374023)
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),
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// parameters对象可设置getMap请求中的参数
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parameters:{
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format:"image/png8",
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transparent:true
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}
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});
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viewer.imageryLayers.addImageryProvider(wmsProvider);
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},
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addRiverGeojson(riverName){
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let geoUrl =
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"http://121.33.231.74:5097/geoserver/iot/ows?service=WFS&version=1.0.0&request=GetFeature&typeName=iot%3A"+riverName+"_river&maxFeatures=999&outputFormat=application%2Fjson";
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fetch(geoUrl)
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.then((res) => res.json())
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.then((result) => {
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console.log(result)
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let primitives = viewer.scene.primitives.add(
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new Cesium.PrimitiveCollection()
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);
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primitives.show = false;
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window.primitives = primitives;
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result.features.forEach((feature) => {
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this.addWaterFeature(primitives,feature);
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});
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// this.addWaterFeature(result.features[0]);
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});
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},
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addWaterFeature(primitives,feature) {
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let geometryType = feature.geometry.type;
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let coord = feature.geometry.coordinates;
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let geometryName = feature.geometry_name;
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if (geometryType == "MultiPolygon") {
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coord.forEach((polygon) => {
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let outBoundary = null;
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let holes = null;
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// if(polygon.length==1){
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outBoundary = new Cesium.PolygonHierarchy(
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Cesium.Cartesian3.fromDegreesArray(polygon[0].flat(2))
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);
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// }
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primitives.add(
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new Cesium.Primitive({
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geometryInstances: new Cesium.GeometryInstance({
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geometry: new Cesium.PolygonGeometry({
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polygonHierarchy: outBoundary,
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}),
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attributes: {
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// 通过attributes属性统一指定线段颜色
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color: Cesium.ColorGeometryInstanceAttribute.fromColor(
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new Cesium.Color(1.0, 0, 0, 1.0)
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),
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},
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id: "面要素",
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}),
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appearance: new Cesium.EllipsoidSurfaceAppearance({
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material: new Cesium.Material({
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fabric: {
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type: "Water",
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uniforms: {
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// 水的基本颜色
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baseWaterColor: new Cesium.Color(
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64 / 255.0,
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157 / 255.0,
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253 / 255.0,
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0.5
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),
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// 水法向摄动的法线图
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normalMap:
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"./Build/Cesium/Assets/Textures/waterNormals.jpg",
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// 波纹数量
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frequency: 1000.0,
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// 动画速度
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animationSpeed: 0.002,
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// 振动的幅度
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amplitude: 150,
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// 镜面反射的强度
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specularIntensity: 1,
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},
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},
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}),
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faceForward: true,
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}),
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})
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);
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});
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}
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},
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initViewer() {
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Cesium.Ion.defaultAccessToken =
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"eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI5ZjRjNTZkNC01NDYxLTRhMjQtOGEwZC1kZjA3YzQ5YTJlZDkiLCJpZCI6MjYwODQsInNjb3BlcyI6WyJhc3IiLCJnYyJdLCJpYXQiOjE1ODcxOTMwODN9.prGsSKyAW_9Ow5zHYPhbm3LsQL-ApQw5-5PNJkDaHi8";
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var token = "bf156eb3c72350d62b008dc8a4ae1016";
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// 服务域名
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var tdtUrl = "https://t{s}.tianditu.gov.cn/";
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// 服务负载子域,天地图地图服务二级域名包括t0-t7，可以随机选择使用，如http://t2.tianditu.gov.cn/vec_c/wmts?tk=您的密钥
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var subdomains = ["0", "1", "2", "3", "4", "5", "6", "7"];
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/**
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* Viewer对象
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* 用于构建应用程序的基本小部件。它将所有标准的Cesium部件组合到一个可重用的包中。
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* 小部件可以通过使用mixin来扩展，来添加对各种应用程序有用的功能
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*/
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//Initialize the viewer widget with several custom options and mixins.
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var viewer = new Cesium.Viewer("cesiumContainer", {
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/**
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* 场景模式,默认SceneMode.SCENE3D
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* SceneMode:指定场景是3D/2D/2.5D,可选值：
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* MORPHING：在模式之间变形，如3D转2D
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* COLUMBUS_VIEW：2.5D视角，地图会被平铺，高度为非零的对象被绘制在上面。
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* SCENE2D:2D模式，地图会被自顶向下正射投影
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* SCENE3D：3D模式，一个传统的三维视角的全球。
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*/
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// sceneMode : Cesium.SceneMode.COLUMBUS_VIEW,
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sceneMode: Cesium.SceneMode.SCENE3D,
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//指定椭球面提供地形或其他几何图形数据,
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terrainProvider: Cesium.createWorldTerrain(),
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//指定影像数据的数据源,该选项只有在baseLayerPicker设置为false时生效
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// imageryProvider : new Cesium.OpenStreetMapImageryProvider({
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// url : 'https://a.tile.openstreetmap.org/'
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// }),
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//设置背景,如果为false则星星/月亮/太阳都不会渲染
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// skyBox : new Cesium.SkyBox({
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// sources : {
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// positiveX : 'stars/100_BK.jpg',
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// negativeX : 'stars/100_BK.jpg',
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// positiveY : 'stars/100_BK.jpg',
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// negativeY : 'stars/100_BK.jpg',
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// positiveZ : 'stars/100_BK.jpg',
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// negativeZ : 'stars/100_BK.jpg'
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// }
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// }),
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// Show Columbus View map with Web Mercator projection
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mapProjection: new Cesium.WebMercatorProjection(),
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geocoder: false, //位置查找
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homeButton: false, //视图返回初始位置
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sceneModePicker: false, //视角选择器
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baseLayerPicker: false, //底图选择器
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navigationHelpButton: false, //导航帮助按钮
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animation: false, //动画控制器
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creditContainer: "credit", //版权显示,指定dom对象的id,再通过id样式可以隐藏CESIUM 版本图标
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timeline: false, //时间线
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fullscreenButton: false, //全屏控件
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vrButton: false,
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selectionIndicator: false,
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// infoBox:false
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// shouldAnimate:true
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scene3DOnly: true, //默认false，若为true,所有几何体实例将仅会在3D模式中渲染(在GPU内存中)
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});
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viewer.imageryLayers.removeAll();
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// 叠加影像服务
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var imgMap = new Cesium.UrlTemplateImageryProvider({
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url: tdtUrl + "DataServer?T=img_w&x={x}&y={y}&l={z}&tk=" + token,
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subdomains: subdomains,
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tilingScheme: new Cesium.WebMercatorTilingScheme(),
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maximumLevel: 18,
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});
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viewer.imageryLayers.addImageryProvider(imgMap);
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// 叠加国界服务
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var iboMap = new Cesium.UrlTemplateImageryProvider({
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url: tdtUrl + "DataServer?T=ibo_w&x={x}&y={y}&l={z}&tk=" + token,
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subdomains: subdomains,
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tilingScheme: new Cesium.WebMercatorTilingScheme(),
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maximumLevel: 10,
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});
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viewer.imageryLayers.addImageryProvider(iboMap);
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// 叠加地形服务
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var terrainUrls = new Array();
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for (var i = 0; i < subdomains.length; i++) {
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var url =
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tdtUrl.replace("{s}", subdomains[i]) +
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"DataServer?T=elv_c&tk=" +
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token;
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terrainUrls.push(url);
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}
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var provider = new Cesium.GeoTerrainProvider({
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urls: terrainUrls,
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});
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viewer.terrainProvider = provider;
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// 将三维球定位到中国
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viewer.camera.flyTo({
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destination: Cesium.Cartesian3.fromDegrees(
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103.84,
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31.15,
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17850000
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),
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orientation: {
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heading: Cesium.Math.toRadians(348.4202942851978),
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pitch: Cesium.Math.toRadians(-89.74026687972041),
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roll: Cesium.Math.toRadians(0),
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},
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complete: function callback() {
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// 定位完成之后的回调函数
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},
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});
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//Add basic drag and drop functionality
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viewer.extend(Cesium.viewerDragDropMixin);
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//Show a pop-up alert if we encounter an error when processing a dropped file
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viewer.dropError.addEventListener(function (
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dropHandler,
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name,
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error
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) {
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console.log(error);
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window.alert(error);
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});
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window.viewer = viewer;
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window.scene = viewer.scene;
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},
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},
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mounted() {
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this.initViewer();
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},
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});
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// 叠加水系
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</script>
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</body>
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</html>
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