563 lines
14 KiB
HTML
563 lines
14 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 name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
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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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#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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#viewChanged,
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#cameraChanged {
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display: none;
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background-color: red;
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color: white;
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}
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</style>
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</head>
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<body>
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<div id="cesiumContainer"></div>
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<div id="loadingOverlay">
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<h1>Loading...</h1>
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</div>
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<div id="toolbar">
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<div id="viewChanged">View Changed</div>
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<div id="cameraChanged">Camera Changed</div>
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</div>
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<div id="credit"></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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var viewer = new Cesium.Viewer('cesiumContainer', {
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scene3DOnly: true,
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selectionIndicator: false,
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baseLayerPicker: false
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});
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// 移除默认的底图
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viewer.imageryLayers.remove(viewer.imageryLayers.get(0));
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// 添加哨兵影像 Sentinel-2 imagery
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viewer.imageryLayers.addImageryProvider(new Cesium.IonImageryProvider({
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assetId: 3954
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}));
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viewer.terrainProvider = Cesium.createWorldTerrain({
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requestWaterMask: true, // required for water effects
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requestVertexNormals: true // required for terrain lighting
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});
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//添加参考实体
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var citizensBankPark = viewer.entities.add({
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name: 'Citizens Bank Park',
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position: Cesium.Cartesian3.fromDegrees(113.930, 22.5391),
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point: {
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pixelSize: 5,
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color: Cesium.Color.RED,
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outlineColor: Cesium.Color.WHITE,
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outlineWidth: 2
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},
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label: {
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text: 'Citizens Bank Park',
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font: '14pt monospace',
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style: Cesium.LabelStyle.FILL_AND_OUTLINE,
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outlineWidth: 2,
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verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
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pixelOffset: new Cesium.Cartesian2(0, -9)
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}
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});
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/**
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* viewer.camera.lookAt(target, offset)
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* target 必须是笛卡尔坐标；
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* offset 可以是笛卡尔坐标也可以是 HeadingPitc‘hRange
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*
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*/
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// 1. Using a cartesian offset
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var center = Cesium.Cartesian3.fromDegrees(113.930, 22.5391);
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// viewer.camera.lookAt(center, new Cesium.Cartesian3(-10000.0, 1000.0, 50000));
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// 2. Using a HeadingPitchRange offset
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var heading = Cesium.Math.toRadians(100);
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var pitch = Cesium.Math.toRadians(20);
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var range = 10000.0;
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// viewer.camera.lookAt(center, new Cesium.HeadingPitchRange(heading, pitch, range));
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/**
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* Camera.setView(options) 设置位置、方向、转换
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* options配置参数：
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* destination：Cartesian3 | Rectangle 在WGS84中 Camera 的最终位置坐标或从自上而下视图中可见的矩形。
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* orientation：Object 包含方向和向上属性或航向、俯仰和滚动属性的对象。
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*
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*/
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// 1. Set position with a top-down view
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// viewer.camera.setView({
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// destination : Cesium.Cartesian3.fromDegrees(-117.16, 32.71, 15000.0)
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// });
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// 2 Set view with heading, pitch and roll
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// viewer.camera.setView({
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// destination : center,
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// orientation: {
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// heading : Cesium.Math.toRadians(90.0), // east, default value is 0.0 (north)
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// pitch : Cesium.Math.toRadians(-90), // default value (looking down)
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// roll : 0.0 // default value
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// }
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// });
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//3. Change heading, pitch and roll with the camera position remaining the same.
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// viewer.camera.setView({
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// orientation: {
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// heading : Cesium.Math.toRadians(90.0), // east, default value is 0.0 (north)
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// pitch : Cesium.Math.toRadians(-90), // default value (looking down)
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// roll : 0.0 // default value
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// }
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// })
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// 4. View rectangle with a top-down view
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// viewer.camera.setView({
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// destination : Cesium.Rectangle.fromDegrees(113.930-1, 22.5391-1, 113.930+1, 22.5391+1)
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// });
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// 5. Set position with an orientation using unit vectors.
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// viewer.camera.setView({
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// destination : Cesium.Cartesian3.fromDegrees(-122.19, 46.25, 5000.0),
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// orientation : {
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// direction : new Cesium.Cartesian3(-0.04231243104240401, -0.20123236049443421, -0.97862924300734),
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// up : new Cesium.Cartesian3(-0.47934589305293746, -0.8553216253114552, 0.1966022179118339)
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// }
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// });
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var scene = viewer.scene;
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var clock = viewer.clock;
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var referenceFramePrimitive;
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function flyToSanDiego() {
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viewer.camera.flyTo({
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destination: Cesium.Cartesian3.fromDegrees(-117.16, 32.71, 15000.0),
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});
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}
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function flyToHeadingPitchRoll() {
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viewer.camera.flyTo({
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destination: Cesium.Cartesian3.fromDegrees(-122.22, 46.12, 5000.0),
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orientation: {
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heading: Cesium.Math.toRadians(20.0),
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pitch: Cesium.Math.toRadians(-35.0),
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roll: 0.0,
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},
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});
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}
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function flyToLocation() {
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// Create callback for browser's geolocation
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function fly(position) {
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viewer.camera.flyTo({
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destination: Cesium.Cartesian3.fromDegrees(
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position.coords.longitude,
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position.coords.latitude,
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1000.0
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),
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});
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}
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// Ask browser for location, and fly there.
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navigator.geolocation.getCurrentPosition(fly);
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}
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function viewRectangle() {
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var west = -77.0;
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var south = 38.0;
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var east = -72.0;
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var north = 42.0;
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var rectangle = Cesium.Rectangle.fromDegrees(west,south,east,north);
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viewer.camera.setView({
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destination: rectangle,
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});
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// Show the rectangle. Not required; just for show.
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viewer.entities.add({
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rectangle: {
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coordinates: rectangle,
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fill: false,
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outline: true,
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outlineColor: Cesium.Color.WHITE,
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},
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});
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}
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function flyToRectangle() {
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var west = -90.0;
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var south = 38.0;
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var east = -87.0;
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var north = 40.0;
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var rectangle = Cesium.Rectangle.fromDegrees(west,south,east,north);
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viewer.camera.flyTo({
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destination: rectangle,
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});
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// Show the rectangle. Not required; just for show.
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viewer.entities.add({
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rectangle: {
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coordinates: rectangle,
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fill: false,
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outline: true,
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outlineColor: Cesium.Color.WHITE,
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},
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});
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}
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function setReferenceFrame() {
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var center = Cesium.Cartesian3.fromDegrees(-75.59777, 40.03883);
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var transform = Cesium.Transforms.eastNorthUpToFixedFrame(center);
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// View in east-north-up frame
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var camera = viewer.camera;
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camera.constrainedAxis = Cesium.Cartesian3.UNIT_Z;
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camera.lookAtTransform(
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transform,
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new Cesium.Cartesian3(-120000.0, -120000.0, 120000.0)
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);
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// Show reference frame. Not required.
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referenceFramePrimitive = scene.primitives.add(
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new Cesium.DebugModelMatrixPrimitive({
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modelMatrix: transform,
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length: 100000.0,
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})
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);
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}
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function setHeadingPitchRoll() {
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var camera = viewer.camera;
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camera.setView({
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destination: Cesium.Cartesian3.fromDegrees(
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-75.5847,
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40.0397,
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1000.0
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),
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orientation: {
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heading: -Cesium.Math.PI_OVER_TWO,
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pitch: -Cesium.Math.PI_OVER_FOUR,
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roll: 0.0,
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},
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});
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}
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function icrf(scene, time) {
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if (scene.mode !== Cesium.SceneMode.SCENE3D) {
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return;
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}
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var icrfToFixed = Cesium.Transforms.computeIcrfToFixedMatrix(time);
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if (Cesium.defined(icrfToFixed)) {
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var camera = viewer.camera;
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var offset = Cesium.Cartesian3.clone(camera.position);
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var transform = Cesium.Matrix4.fromRotationTranslation(icrfToFixed);
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camera.lookAtTransform(transform, offset);
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}
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}
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function viewInICRF() {
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viewer.camera.flyHome(0);
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clock.multiplier = 3 * 60 * 60;
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scene.postUpdate.addEventListener(icrf);
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scene.globe.enableLighting = true;
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}
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var viewChanged = document.getElementById("viewChanged");
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var removeStart;
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var removeEnd;
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function cameraEvents() {
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var camera = viewer.camera;
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removeStart = camera.moveStart.addEventListener(function() {
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viewChanged.style.display = "block";
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});
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removeEnd = camera.moveEnd.addEventListener(function() {
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viewChanged.style.display = "none";
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});
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}
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var cameraChanged = document.getElementById("cameraChanged");
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var removeChanged;
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function cameraChanges() {
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var i = 0;
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removeChanged = viewer.camera.changed.addEventListener(function(
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percentage
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) {
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++i;
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cameraChanged.innerText =
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"Camera Changed: " + i + ", " + percentage.toFixed(6);
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cameraChanged.style.display = "block";
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});
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}
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function flyInACity() {
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var camera = scene.camera;
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camera.flyTo({
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destination: Cesium.Cartesian3.fromDegrees(
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-73.98580932617188,
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40.74843406689482,
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363.34038727246224
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),
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complete: function() {
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|||
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setTimeout(function() {
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camera.flyTo({
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destination: Cesium.Cartesian3.fromDegrees(
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-73.98585975679403,
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40.75759944127251,
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186.50838555841779
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),
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orientation: {
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|||
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heading: Cesium.Math.toRadians(200.0),
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|||
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pitch: Cesium.Math.toRadians(-50.0),
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|||
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},
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|||
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easingFunction: Cesium.EasingFunction.LINEAR_NONE,
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|||
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});
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|||
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}, 1000);
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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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function losAngelesToTokyo(adjustPitch) {
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var camera = scene.camera;
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var tokyoOptions = {
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destination: Cesium.Cartesian3.fromDegrees(
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139.8148,
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35.7142,
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20000.0
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|||
|
|
),
|
|||
|
|
orientation: {
|
|||
|
|
heading: Cesium.Math.toRadians(15.0),
|
|||
|
|
pitch: Cesium.Math.toRadians(-60),
|
|||
|
|
roll: 0.0,
|
|||
|
|
},
|
|||
|
|
duration: 20,
|
|||
|
|
flyOverLongitude: Cesium.Math.toRadians(60.0),
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
var laOptions = {
|
|||
|
|
destination: Cesium.Cartesian3.fromDegrees(
|
|||
|
|
-117.729,
|
|||
|
|
34.457,
|
|||
|
|
10000.0
|
|||
|
|
),
|
|||
|
|
duration: 5,
|
|||
|
|
orientation: {
|
|||
|
|
heading: Cesium.Math.toRadians(-15.0),
|
|||
|
|
pitch: -Cesium.Math.PI_OVER_FOUR,
|
|||
|
|
roll: 0.0,
|
|||
|
|
},
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
laOptions.complete = function() {
|
|||
|
|
setTimeout(function() {
|
|||
|
|
camera.flyTo(tokyoOptions);
|
|||
|
|
}, 1000);
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
if (adjustPitch) {
|
|||
|
|
tokyoOptions.pitchAdjustHeight = 1000;
|
|||
|
|
laOptions.pitchAdjustHeight = 1000;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
camera.flyTo(laOptions);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function flyOverLongitude(adjustPitch) {
|
|||
|
|
losAngelesToTokyo();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function flyOverLongitudeWithPitch() {
|
|||
|
|
losAngelesToTokyo(true);
|
|||
|
|
}
|
|||
|
|
var Sandcastle = window;
|
|||
|
|
Sandcastle.addToolbarMenu([{
|
|||
|
|
text: "Camera Options",
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
text: "Fly in a city",
|
|||
|
|
onselect: function() {
|
|||
|
|
reset();
|
|||
|
|
flyInACity();
|
|||
|
|
Sandcastle.highlight(flyInACity);
|
|||
|
|
},
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
text: "Fly to San Diego",
|
|||
|
|
onselect: function() {
|
|||
|
|
reset();
|
|||
|
|
flyToSanDiego();
|
|||
|
|
Sandcastle.highlight(flyToSanDiego);
|
|||
|
|
},
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
text: "Fly to Location with heading, pitch and roll",
|
|||
|
|
onselect: function() {
|
|||
|
|
reset();
|
|||
|
|
flyToHeadingPitchRoll();
|
|||
|
|
Sandcastle.highlight(flyToHeadingPitchRoll);
|
|||
|
|
},
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
text: "Fly to My Location",
|
|||
|
|
onselect: function() {
|
|||
|
|
reset();
|
|||
|
|
flyToLocation();
|
|||
|
|
Sandcastle.highlight(flyToLocation);
|
|||
|
|
},
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
text: "Fly to Rectangle",
|
|||
|
|
onselect: function() {
|
|||
|
|
reset();
|
|||
|
|
flyToRectangle();
|
|||
|
|
Sandcastle.highlight(flyToRectangle);
|
|||
|
|
},
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
text: "View a Rectangle",
|
|||
|
|
onselect: function() {
|
|||
|
|
reset();
|
|||
|
|
viewRectangle();
|
|||
|
|
Sandcastle.highlight(viewRectangle);
|
|||
|
|
},
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
text: "Set camera reference frame",
|
|||
|
|
onselect: function() {
|
|||
|
|
reset();
|
|||
|
|
setReferenceFrame();
|
|||
|
|
Sandcastle.highlight(setReferenceFrame);
|
|||
|
|
},
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
text: "Set camera with heading, pitch, and roll",
|
|||
|
|
onselect: function() {
|
|||
|
|
reset();
|
|||
|
|
setHeadingPitchRoll();
|
|||
|
|
Sandcastle.highlight(setHeadingPitchRoll);
|
|||
|
|
},
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
text: "View in ICRF",
|
|||
|
|
onselect: function() {
|
|||
|
|
reset();
|
|||
|
|
viewInICRF();
|
|||
|
|
Sandcastle.highlight(viewInICRF);
|
|||
|
|
},
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
text: "Move events",
|
|||
|
|
onselect: function() {
|
|||
|
|
reset();
|
|||
|
|
cameraEvents();
|
|||
|
|
Sandcastle.highlight(cameraEvents);
|
|||
|
|
},
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
text: "Camera changed event",
|
|||
|
|
onselect: function() {
|
|||
|
|
reset();
|
|||
|
|
cameraChanges();
|
|||
|
|
Sandcastle.highlight(cameraChanges);
|
|||
|
|
},
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
text: "Fly from Los Angeles to Tokyo via Europe",
|
|||
|
|
onselect: function() {
|
|||
|
|
reset();
|
|||
|
|
flyOverLongitude();
|
|||
|
|
Sandcastle.highlight(flyOverLongitude);
|
|||
|
|
},
|
|||
|
|
},
|
|||
|
|
{
|
|||
|
|
text: "Look down during exaggerated flight",
|
|||
|
|
onselect: function() {
|
|||
|
|
reset();
|
|||
|
|
flyOverLongitudeWithPitch();
|
|||
|
|
Sandcastle.highlight(flyOverLongitudeWithPitch);
|
|||
|
|
},
|
|||
|
|
},
|
|||
|
|
]);
|
|||
|
|
|
|||
|
|
Sandcastle.addToolbarButton("Complete Flight", function() {
|
|||
|
|
scene.camera.completeFlight();
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
Sandcastle.addToolbarButton("Cancel Flight", function() {
|
|||
|
|
scene.camera.cancelFlight();
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
function reset() {
|
|||
|
|
scene.completeMorph();
|
|||
|
|
viewer.entities.removeAll();
|
|||
|
|
scene.primitives.remove(referenceFramePrimitive);
|
|||
|
|
scene.tweens.removeAll();
|
|||
|
|
|
|||
|
|
if (Cesium.defined(removeStart)) {
|
|||
|
|
removeStart();
|
|||
|
|
removeEnd();
|
|||
|
|
|
|||
|
|
viewChanged.style.display = "none";
|
|||
|
|
|
|||
|
|
removeStart = undefined;
|
|||
|
|
removeEnd = undefined;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (Cesium.defined(removeChanged)) {
|
|||
|
|
removeChanged();
|
|||
|
|
removeChanged = undefined;
|
|||
|
|
|
|||
|
|
cameraChanged.style.display = "none";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
viewer.camera.lookAtTransform(Cesium.Matrix4.IDENTITY);
|
|||
|
|
|
|||
|
|
clock.multiplier = 1.0;
|
|||
|
|
scene.postUpdate.removeEventListener(icrf);
|
|||
|
|
scene.globe.enableLighting = false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
scene.morphComplete.addEventListener(function() {
|
|||
|
|
reset();
|
|||
|
|
});
|
|||
|
|
</script>
|
|||
|
|
</body>
|
|||
|
|
</html>
|