232 lines
8.5 KiB
HTML
232 lines
8.5 KiB
HTML
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<!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>Learning Cesium!</title>
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<script src="./Build/Cesium/Cesium.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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#app,
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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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.menu-container {
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position: absolute;
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top: 30px;
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left: 100px;
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z-index: 9999;
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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 class="menu-container">
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<el-button @click="runTrack">开始</el-button>
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<el-button @click="camera.moveLeft(10)">moveLeft</el-button>
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<el-button @click="camera.moveRight(10)">moveRight</el-button>
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<el-button @click="camera.moveForward(10)">moveForward</el-button>
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</div>
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<div id="cesiumContainer"></div>
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</div>
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<script>
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Cesium.Ion.defaultAccessToken =
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"eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI5ZjRjNTZkNC01NDYxLTRhMjQtOGEwZC1kZjA3YzQ5YTJlZDkiLCJpZCI6MjYwODQsInNjb3BlcyI6WyJhc3IiLCJnYyJdLCJpYXQiOjE1ODcxOTMwODN9.prGsSKyAW_9Ow5zHYPhbm3LsQL-ApQw5-5PNJkDaHi8";
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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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visible: false,
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trackData: [
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[-2264042.839776213, 4900416.057746451, 3385983.014957804],
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[-2263927.6347972867, 4900332.37135091, 3386143.168313143],
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[-2263660.1017446117, 4899815.142609451, 3387070.379198967],
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],
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orientation: {
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heading: 6.051403815715789,
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pitch: -0.30439954732397,
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roll: 6.283182924415642,
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},
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};
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},
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methods: {
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initViewer() {
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var viewer = new Cesium.Viewer("cesiumContainer", {
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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: true, //动画控制器
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// creditContainer:"credit",//版权显示
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timeline: true, //时间线
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fullscreenButton: false, //全屏控件
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vrButton: false,
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});
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//Enable lighting based on the sun position
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viewer.scene.globe.enableLighting = true;
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//Enable depth testing so things behind the terrain disappear.
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viewer.scene.globe.depthTestAgainstTerrain = true;
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//Set the random number seed for consistent results.
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Cesium.Math.setRandomNumberSeed(3);
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//Set bounds of our simulation time
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const start = Cesium.JulianDate.fromDate(new Date(2015, 2, 25, 16));
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const stop = Cesium.JulianDate.addSeconds(
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start,
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360,
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new Cesium.JulianDate()
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);
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//Make sure viewer is at the desired time.
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viewer.clock.startTime = start.clone();
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viewer.clock.stopTime = stop.clone();
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viewer.clock.currentTime = start.clone();
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viewer.clock.clockRange = Cesium.ClockRange.LOOP_STOP; //Loop at the end
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viewer.clock.multiplier = 10;
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//Set timeline to simulation bounds
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viewer.timeline.zoomTo(start, stop);
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window.viewer = viewer;
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window.camera = viewer.camera;
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window.scene = viewer.scene;
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this.start = start;
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this.stop = stop;
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const position = this.computeCirclularFlight(
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-112.110693,
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36.0994841,
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0.03
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);
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let orientation = new Cesium.VelocityOrientationProperty(position);
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//监听时间变化,关键代码。
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viewer.clock.onTick.addEventListener(function (e) {
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if (viewer.clock.shouldAnimate === true) {
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let ori = orientation.getValue(viewer.clock.currentTime); //获取偏向角
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let center = position.getValue(viewer.clock.currentTime); //获取位置
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let transform = Cesium.Matrix4.fromRotationTranslation(
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Cesium.Matrix3.fromQuaternion(ori),
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center
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); //将偏向角转为3*3矩阵，利用实时点位转为4*4矩阵
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viewer.camera.lookAtTransform(
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transform,
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new Cesium.Cartesian3(-100, 0, 0)
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); //将相机向后面放一点
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}
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});
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//Actually create the entity
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// 创建实体
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const entity = viewer.entities.add({
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show: true,
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//Set the entity availability to the same interval as the simulation time.
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availability: new Cesium.TimeIntervalCollection([
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new Cesium.TimeInterval({
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start: start,
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stop: stop,
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}),
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]),
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//使用计算的位置
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position: position,
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//Automatically compute orientation based on position movement.
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orientation: orientation,
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//Load the Cesium plane model to represent the entity
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model: {
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show: false,
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uri: "./SampleData/models/CesiumAir/Cesium_Air.glb",
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minimumPixelSize: 64,
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},
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//Show the path as a pink line sampled in 1 second increments.
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path: {
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resolution: 1,
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material: new Cesium.PolylineGlowMaterialProperty({
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glowPower: 0.1,
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color: Cesium.Color.YELLOW,
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}),
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width: 10,
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},
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});
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viewer.trackedEntity = entity;
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},
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runTrack() {},
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//Generate a random circular pattern with varying heights.
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// 生成具有不同高度的随机圆形图案
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computeCirclularFlight(lon, lat, radius) {
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const property = new Cesium.SampledPositionProperty();
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property.setInterpolationOptions({
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interpolationDegree: 5, // 双线性插值
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// c插值算法：LagrangePolynomialApproximation，LinearApproximation，HermitePolynomialApproximation
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interpolationAlgorithm: Cesium.LagrangePolynomialApproximation,
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});
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for (let i = 0; i <= 360; i += 45) {
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const radians = Cesium.Math.toRadians(i);
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const time = Cesium.JulianDate.addSeconds(
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this.start,
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i,
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new Cesium.JulianDate()
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);
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const position = Cesium.Cartesian3.fromDegrees(
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lon + radius * 1.5 * Math.cos(radians),
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lat + radius * Math.sin(radians),
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Cesium.Math.nextRandomNumber() * 500 + 1750
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);
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property.addSample(time, position);
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//Also create a point for each sample we generate.
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viewer.entities.add({
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position: position,
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point: {
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pixelSize: 8,
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color: Cesium.Color.TRANSPARENT,
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outlineColor: Cesium.Color.YELLOW,
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outlineWidth: 3,
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},
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});
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}
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return property;
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},
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initEvent() {
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let handler = new Cesium.ScreenSpaceEventHandler(scene.canvas);
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handler.setInputAction((movement) => {
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let pick = scene.pick(movent.position);
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// if(){
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// }
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}, Cesium.ScreenSpaceEventType.LEFT_CLICK);
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},
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},
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mounted() {
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this.initViewer();
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// this.initEvent();
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// this.createModel();
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},
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});
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</script>
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</body>
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</html>
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