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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</head>
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<body style="
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margin: 0;
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overflow: hidden;
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background: #fff;
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width: 100%;
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height: 100%;
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position: absolute;
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top: 0;
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">
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<div id="map" style="margin: 0 auto; width: 100%; height: 100%"></div>
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<div style="position: absolute; left: 20px; top: 20px; z-index: 1000">
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<button onclick="openTimeMap()">开启</button>
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<button onclick="closeTimeMap()">关闭</button>
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</div>
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<script type="text/javascript">
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Cesium.Ion.defaultAccessToken =
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"eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI3ZjQ5ZGUzNC1jNWYwLTQ1ZTMtYmNjYS05YTY4ZTVmN2I2MDkiLCJpZCI6MTE3MTM4LCJpYXQiOjE2NzY0NDUyODB9.ZaNSBIfc1sGLhQd_xqhiSsc0yr8oS0wt1hAo9gbke6M";
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const viewer = new Cesium.Viewer("map", {});
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viewer.scene.debugShowFramesPerSecond = true;
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viewer.camera.flyTo({
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destination: Cesium.Cartesian3.fromDegrees(110.511154, 29.362943, 5531517.4),
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duration: 2,
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orientation: {
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heading: Cesium.Math.toRadians(348.3), // 水平旋转，围绕Y轴，0为正北方向
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pitch: Cesium.Math.toRadians(-89.8), // 上下旋转，围绕X轴，-90为俯视地面
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roll: 0.0 // 视口的翻滚角度，围绕Z轴，0为不翻转
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},
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complete: () => {
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}
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});
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const arrTileLayer = [];
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let mapTimer = null;
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let currentTimeMapIndex = 0;
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initTimeMap();
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function openTimeMap() {
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let _this = this;
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closeTimeMap();
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mapTimer = setInterval(() => {
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if (currentTimeMapIndex > arrTileLayer.length) {
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currentTimeMapIndex = 0;
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}
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currentTimeMapIndex++;
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const layer1 = arrTileLayer[currentTimeMapIndex - 1];
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if (layer1) {
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layer1.alpha = 0;
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}
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const layer2 = arrTileLayer[currentTimeMapIndex];
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if (layer2) {
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layer2.alpha = 1;
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}
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}, 300);
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}
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function closeTimeMap() {
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clearInterval(mapTimer);
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try {
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arrTileLayer[currentTimeMapIndex].alpha = 0;
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currentTimeMapIndex = 0;
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} catch (error) { }
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}
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function initTimeMap() {
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const urlArr = [
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"./timeMap/20200522145400_20200522145400_0c972b7abe4f4b4fbdbe909f5c1ca17a.png",
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"./timeMap/20200522145400_20200522150000_55c4adac7ac8460db3d893866897bd6d.png",
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"./timeMap/20200522145400_20200522150600_ca075253d90e40049f069d22a1a3ce3d.png",
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"./timeMap/20200522145400_20200522151200_afe188f5892d4dd8a4d09d94c746ce1f.png",
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"./timeMap/20200522145400_20200522151800_b10b132f2d52424e9ab55a61896e86b0.png",
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"./timeMap/20200522145400_20200522152400_4ad54289d6f64f5aaa160f453a99b14a.png",
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"./timeMap/20200522145400_20200522153000_cf72453eba0b4b33966f69899771ba16.png",
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"./timeMap/20200522145400_20200522153600_c3aac59805ec433bae08bc8d77d25d20.png",
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"./timeMap/20200522145400_20200522154200_42a885bb66144e698190c38d02b3be96.png",
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"./timeMap/20200522145400_20200522154800_4564689c557e43ff993ad0113363bd6d.png",
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"./timeMap/20200522145400_20200522155400_4742e31563464542a533a43d5414a7ae.png",
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"./timeMap/20200522145400_20200522160000_487da64a0f384795848e60f2ed343500.png",
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"./timeMap/20200522145400_20200522160600_9a1cf5da2f2c46158f113c057b9bb079.png",
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"./timeMap/20200522145400_20200522161200_76861453df20413fa1eff57c8c938758.png",
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"./timeMap/20200522145400_20200522161800_767d25a128e94d968522badfaf071a66.png",
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"./timeMap/20200522145400_20200522162400_8b949a9d47fd4f289bd51afe9e009ab9.png",
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"./timeMap/20200522145400_20200522163000_9f234335ae2c42ac91d5dfc62b72f3db.png",
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"./timeMap/20200522145400_20200522163600_a808919c4a5a4142b188520a74dacf75.png",
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"./timeMap/20200522145400_20200522164200_248688f96cfd438eb5229812dfb748c3.png",
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"./timeMap/20200522145400_20200522164800_797dd13e0a304fbe934fee1902b7fc21.png",
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"./timeMap/20200522145400_20200522165400_0be5ef511d6c467288ec9f7b961821bd.png",
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"./timeMap/20200522145400_20200522170000_a1820b8d4527467a85db7fee3b352bbb.png",
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"./timeMap/20200522145400_20200522170600_964ada943fcf4a13aa59364b1efd0b1b.png",
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];
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for (let i = 0, len = urlArr.length; i < len; i++) {
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var imageryProvider = new Cesium.SingleTileImageryProvider({
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url: urlArr[i],
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rectangle: Cesium.Rectangle.fromDegrees(63.8148899733, 12.7700338517, 143.536486117, 56.3833398551),
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});
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let options = {
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alpha: 0
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}
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var imageryLayer = new Cesium.ImageryLayer(imageryProvider, options);
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viewer.imageryLayers.add(imageryLayer)
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arrTileLayer.push(imageryLayer);
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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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