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="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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<script type="text/javascript">
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2025-05-18 11:30:00 +00:00
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Cesium.Ion.defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiJjM2EzNGJmNy02N2RmLTQ0MDMtYjI2MS1hZTJiMTIwZGYwMTYiLCJpZCI6MzA0MzEyLCJpYXQiOjE3NDc3MjM3MTV9.ePQNhuoVuDsi_z00lTm5W26wyW1Adcr1AWetGM6WSXI'
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2025-03-11 08:25:45 +00:00
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const viewer = new Cesium.Viewer('map', {});
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// Cesium地形
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viewer.terrainProvider = Cesium.createWorldTerrain({
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requestWaterMask: true, // 请求水体效果所需要的海岸线数据
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requestVertexNormals: true// 请求地形照明数据
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});
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// 深度监测
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viewer.scene.globe.depthTestAgainstTerrain = true;
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// extrudedHeight是本身高度
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// height是离地高度
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// --------注意：贴地时候，没extrudedHeight，所以outline不会生效---------------
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let p1 = { x: -90, y: 40, z: 0 }
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let p2 = { x: -90, y: 30, z: 0 }
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let p3 = { x: -100, y: 30, z: 0 }
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let p4 = { x: -100, y: 40, z: 0 }
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let p5 = { x: -95, y: 35, z: 2000000 }
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let c1 = new Cesium.PolygonHierarchy(Cesium.Cartesian3.fromDegreesArrayHeights([
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p1.x, p1.y, p1.z,
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p2.x, p2.y, p2.z,
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p5.x, p5.y, p5.z
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]))
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let c2 = new Cesium.PolygonHierarchy(Cesium.Cartesian3.fromDegreesArrayHeights([
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p3.x, p3.y, p3.z,
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p2.x, p2.y, p2.z,
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p5.x, p5.y, p5.z
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]))
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let c3 = new Cesium.PolygonHierarchy(Cesium.Cartesian3.fromDegreesArrayHeights([
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p3.x, p3.y, p3.z,
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p4.x, p4.y, p4.z,
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p5.x, p5.y, p5.z
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]))
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let c4 = new Cesium.PolygonHierarchy(Cesium.Cartesian3.fromDegreesArrayHeights([
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p1.x, p1.y, p1.z,
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p4.x, p4.y, p4.z,
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p5.x, p5.y, p5.z
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]))
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const cyanPolygon = viewer.entities.add({
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polygon: {
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hierarchy: new Cesium.CallbackProperty(() => {
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return c1;
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}, false),
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perPositionHeight: true,
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material: Cesium.Color.CYAN.withAlpha(0.5),
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outline: true,
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outlineColor: Cesium.Color.BLACK,
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},
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});
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let i = 0;
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setInterval(() => {
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i = i + 0.01
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c1 = new Cesium.PolygonHierarchy(Cesium.Cartesian3.fromDegreesArrayHeights([
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p1.x + i, p1.y + i, p1.z,
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p2.x + i, p2.y + i, p2.z,
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p5.x + i, p5.y + i, p5.z
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]))
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c2 = new Cesium.PolygonHierarchy(Cesium.Cartesian3.fromDegreesArrayHeights([
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p3.x + i, p3.y + i, p3.z,
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p2.x + i, p2.y + i, p2.z,
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p5.x + i, p5.y + i, p5.z
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]))
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c3 = new Cesium.PolygonHierarchy(Cesium.Cartesian3.fromDegreesArrayHeights([
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p3.x + i, p3.y + i, p3.z,
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p4.x + i, p4.y + i, p4.z,
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p5.x + i, p5.y + i, p5.z
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]))
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c4 = new Cesium.PolygonHierarchy(Cesium.Cartesian3.fromDegreesArrayHeights([
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p1.x + i, p1.y + i, p1.z,
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p4.x + i, p4.y + i, p4.z,
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p5.x + i, p5.y + i, p5.z
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]))
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}, 20)
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const cyanPolygon1 = viewer.entities.add({
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polygon: {
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hierarchy: new Cesium.CallbackProperty(() => {
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return c2;
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}, false),
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perPositionHeight: true,
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material: Cesium.Color.CYAN.withAlpha(0.5),
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outline: true,
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outlineColor: Cesium.Color.BLACK,
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},
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});
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const cyanPolygon2 = viewer.entities.add({
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polygon: {
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hierarchy: new Cesium.CallbackProperty(() => {
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return c3;
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}, false),
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perPositionHeight: true,
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material: Cesium.Color.CYAN.withAlpha(0.5),
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outline: true,
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outlineColor: Cesium.Color.BLACK,
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},
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});
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const cyanPolygon3 = viewer.entities.add({
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polygon: {
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hierarchy: new Cesium.CallbackProperty(() => {
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return c4;
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}, false),
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perPositionHeight: true,
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material: Cesium.Color.CYAN.withAlpha(0.5),
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outline: true,
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outlineColor: Cesium.Color.BLACK,
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},
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});
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viewer.zoomTo(viewer.entities);
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</script>
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</body>
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</html>
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