2025-03-11 08:25:45 +00:00
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<!--********************************************************************
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* by jiawanlong
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*********************************************************************-->
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8" />
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2025-03-19 03:00:22 +00:00
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<link rel="stylesheet" href="./../../libs/cesium/Cesium1.98/Widgets/widgets.css">
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<script type="text/javascript" src="./../../libs/cesium/Cesium1.98/Cesium.js"></script>
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2025-03-11 08:25:45 +00:00
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<style>
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#menu {
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position: absolute;
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top: 20px;
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left: 20px;
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padding: 10px;
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background: #72a8eafa;
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border-radius: 3px;
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border: 1px solid rgba(128, 128, 128, 0.5);
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color: #ffffff;
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background: rgba(0, 0, 0, 0.4);
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box-shadow: 0 3px 14px rgba(128, 128, 128, 0.5);
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z-index: 9999;
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}
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</style>
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</head>
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<body style="margin: 0; overflow: hidden; background: #fff; width: 100%; height: 100%; position: absolute; top: 0">
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<div id="map" style="margin: 0 auto; width: 100%; height: 100%"></div>
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<div id="menu">
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<input id="meeting" type="date" value="2020-10-20" />
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开始时间
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<select id="ks">
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<option value="6">6</option>
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<option selected value="8">8</option>
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<option value="10">10</option>
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<option value="12">12</option>
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</select>
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结束时间
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<select id="js">
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<option value="14">14</option>
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<option value="16">16</option>
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<option selected value="18">18</option>
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<option value="20">20</option>
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</select>
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<button onclick="setvisible('play')">播放</button>
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<button onclick="setvisible('stop')">暂停</button>
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</div>
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<script type="text/javascript">
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class sunlight {
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constructor(viewer, config) {
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this.viewer = viewer;
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this.config = config;
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this.analysis();
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}
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analysis() {
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var stopTime = null;
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var viewer = this.viewer;
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var config = this.config;
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var e = config.day;
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var t = new Date(e)
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var i = config.startTime;
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var a = config.stopTime;
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var r = new Date(new Date(t).setHours(Number(i)))
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var o = new Date(new Date(t).setHours(Number(a)));
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if (!config.play) {
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stopTime = viewer.clock.currentTime
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viewer.clock.shouldAnimate = false
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} else {
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viewer.scene.globe.enableLighting = true
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viewer.shadows = true
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viewer.clock.startTime = Cesium.JulianDate.fromDate(r)
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viewer.clock.stopTime = Cesium.JulianDate.fromDate(o)
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viewer.clock.clockRange = config.clockRange
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viewer.clock.clockStep = config.clockStep
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viewer.clock.multiplier = config.multiplier
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if (viewer.clock.shouldAnimate = true, stopTime) {
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viewer.clock.currentTime = stopTime;
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} else {
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viewer.clock.currentTime = Cesium.JulianDate.fromDate(r)
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}
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}
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}
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}
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Cesium.Ion.defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI3ZjQ5ZGUzNC1jNWYwLTQ1ZTMtYmNjYS05YTY4ZTVmN2I2MDkiLCJpZCI6MTE3MTM4LCJpYXQiOjE2NzY0NDUyODB9.ZaNSBIfc1sGLhQd_xqhiSsc0yr8oS0wt1hAo9gbke6M'
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const viewer = new Cesium.Viewer('map', {
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});
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// 开启帧率
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viewer.scene.debugShowFramesPerSecond = true;
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// 深度监测
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viewer.scene.globe.depthTestAgainstTerrain = true;
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const tileset = new Cesium.Cesium3DTileset({
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url: "./data/tileset.json",
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});
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tileset.readyPromise
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.then(function (tileset) {
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viewer.scene.primitives.add(tileset);
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viewer.zoomTo(tileset)
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})
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.catch(function (error) {
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console.log(error);
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});
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function setvisible(p) {
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if (p == "play") {
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new sunlight(viewer, {
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play: true,
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multiplier: 500,
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day: document.getElementById("meeting").value,
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startTime: document.getElementById("ks").value,
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stopTime: document.getElementById("js").value,
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clockRange: Cesium.ClockRange.LOOP_STOP,
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clockStep: Cesium.ClockStep.SYSTEM_CLOCK_MULTIPLIER,
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})
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} else {
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new sunlight(viewer, {
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play: false,
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})
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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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