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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<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.scene.globe.depthTestAgainstTerrain = true;
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const boxGeometry = Cesium.BoxGeometry.fromDimensions({
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vertexFormat: Cesium.VertexFormat.POSITION_NORMAL_AND_ST,
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dimensions: new Cesium.Cartesian3(400000.0, 300000.0, 500000.0),
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})
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const boxModelMatrix = Cesium.Matrix4.multiplyByTranslation(
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Cesium.Transforms.eastNorthUpToFixedFrame(Cesium.Cartesian3.fromDegrees(-100, 35)),
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new Cesium.Cartesian3(0.0, 0.0, 500000 * 0.5),
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new Cesium.Matrix4()
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)
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const boxGeometryInstance = new Cesium.GeometryInstance({
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geometry: boxGeometry,
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modelMatrix: boxModelMatrix,
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})
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const shader = `czm_material czm_getMaterial(czm_materialInput materialInput) {
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czm_material material = czm_getDefaultMaterial(materialInput);
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material.diffuse = vec3(0.8, 0.2, 0.1);
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material.specular = 3.0;
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material.shininess = 0.8;
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material.alpha = 0.6;
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return material;
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}`
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const appearance = new Cesium.MaterialAppearance({
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material: new Cesium.Material({
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fabric: {
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source: shader
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}
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}),
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})
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viewer.scene.primitives.add(
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new Cesium.Primitive({
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geometryInstances: boxGeometryInstance,
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appearance: appearance,
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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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