mirror of
https://github.com/jiawanlong/Cesium-Examples.git
synced 2025-11-04 09:14:17 +00:00
193 lines
7.2 KiB
HTML
193 lines
7.2 KiB
HTML
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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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<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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</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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Cesium.Ion.defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiIwNDljNWFmZC03MzRlLTRiMDMtYWIwMi00Yjk4YWQ4NzQwZGEiLCJpZCI6MjU5LCJpYXQiOjE3NTEzNzkyMzR9.OTqPNs3UGNnT1LYkPTavV80wN8Es_YphpJgQcpdnqWc'
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const viewer = new Cesium.Viewer('map', {
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imageryProvider: false,
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baseLayerPicker: false,
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});
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var xyz = new Cesium.UrlTemplateImageryProvider({
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"credit": "mapbox",
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"url": 'https://api.mapbox.com/v4/mapbox.satellite/{z}/{x}/{y}.webp?sku=1016Ab1dNMw2X&access_token=pk.eyJ1IjoidHJhbXBqd2wiLCJhIjoiY2xhYXIxbHExMDN3dzN3cGliOHdrMThxMiJ9.6er2aYb1EBjSsK1-t9d2-w'
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})
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viewer.imageryLayers.addImageryProvider(xyz)
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// Primitive
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// 1、GeometryInstance
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// 2、Apperance
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// 3、modelMatrix
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// 开启帧率
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viewer.scene.debugShowFramesPerSecond = true;
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function showPoint(x, y, z, p) {
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viewer.entities.add({
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position: Cesium.Cartesian3.fromDegrees(x, y, z),
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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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id: '' + p,
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label: {
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text: p,
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font: '14pt monospace',
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outlineWidth: 2,
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horizontalOrigin: Cesium.HorizontalOrigin.LEFT,
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pixelOffset: new Cesium.Cartesian2(10, 0),
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}
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})
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}
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showPoint(121.41777777777779, 31.233333333333334, -1961.6396551739094, '111')
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showPoint(121.41777777777779, 31.242222222222225, -1961.6396551739094, '2')
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showPoint(121.41777777777779, 31.242222222222225, -980.8952536478324, '3')
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showPoint(121.41777777777779, 31.233333333333334, -980.8952536478324, '4')
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// 多边形
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var polygonInstance = new Cesium.GeometryInstance({
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id: {
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"name": 'polygon'
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},
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geometry: new Cesium.PolygonGeometry({
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polygonHierarchy: new Cesium.PolygonHierarchy(
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Cesium.Cartesian3.fromDegreesArrayHeights([
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121.41777777777779, 31.233333333333334, -1961.6396551739094,
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121.41777777777779, 31.242222222222225, -1961.6396551739094,
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121.41777777777779, 31.242222222222225, -980.8952536478324,
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121.41777777777779, 31.233333333333334, -980.8952536478324,
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])
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),
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perPositionHeight: true,
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// extrudedHeight:2000
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}),
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});
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viewer.scene.primitives.add(new Cesium.Primitive({
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geometryInstances: [polygonInstance],
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appearance: new Cesium.MaterialAppearance({
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material: Cesium.Material.fromType('Color', {
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color: Cesium.Color.CYAN.withAlpha(1),
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})
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})
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}));
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const wall = new Cesium.WallGeometry({
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positions: Cesium.Cartesian3.fromDegreesArrayHeights([
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121.41777777777779, 31.233333333333334, -1961.6396551739094,
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121.41777777777779, 31.242222222222225, -1961.6396551739094,
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121.41777777777779, 31.242222222222225, -980.8952536478324,
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121.41777777777779, 31.233333333333334, -980.8952536478324,
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])
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});
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const geometry = Cesium.WallGeometry.createGeometry(wall);
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var polygonInstance = new Cesium.GeometryInstance({
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id: {
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"name": 'polygon'
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},
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geometry: geometry,
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});
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viewer.scene.primitives.add(new Cesium.Primitive({
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geometryInstances: [polygonInstance],
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appearance: new Cesium.MaterialAppearance({
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material: Cesium.Material.fromType('Color', {
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color: Cesium.Color.CYAN.withAlpha(1),
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})
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})
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}));
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// 线
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var lineInstance = new Cesium.GeometryInstance({
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id: {
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"name": 'line'
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},
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geometry: new Cesium.PolylineGeometry({
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positions: Cesium.Cartesian3.fromDegreesArray([
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-100, 40,
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-90, 40,
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-120, 60,
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]),
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width: 15,
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vertexFormat: Cesium.PolylineColorAppearance.VERTEX_FORMAT,
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}),
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attributes: {
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color: Cesium.ColorGeometryInstanceAttribute.fromColor(Cesium.Color.fromCssColorString("#001aff").withAlpha(0.5))
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}
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})
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viewer.scene.primitives.add(new Cesium.Primitive({
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geometryInstances: [lineInstance],
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appearance: new Cesium.PolylineColorAppearance()
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}))
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// 发光的线
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viewer.scene.primitives.add(new Cesium.Primitive({
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geometryInstances: new Cesium.GeometryInstance({
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geometry: new Cesium.PolylineGeometry({
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positions: Cesium.Cartesian3.fromDegreesArray([
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-110, 40,
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-100, 40,
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-130, 60,
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]),
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width: 20.0,
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vertexFormat: Cesium.PolylineMaterialAppearance.VERTEX_FORMAT
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}),
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id: {
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"name": '发光的线'
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},
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}),
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appearance: new Cesium.PolylineMaterialAppearance({
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material: Cesium.Material.fromType(Cesium.Material.PolylineGlowType, {
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color: new Cesium.Color(1.0, 0.0, 0.0, 1.0)
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})
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})
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}));
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// -------Primitive点击事件-------------
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var handler = new Cesium.ScreenSpaceEventHandler(viewer.scene.canvas);
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handler.setInputAction(function (clickEvent) {
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var ray1 = viewer.camera.getPickRay(clickEvent.position);
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var cartesian = viewer.scene.globe.pick(ray1, viewer.scene);
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var pick = viewer.scene.pickPosition(clickEvent.position);
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var pickEd = viewer.scene.pick(clickEvent.position);
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if (pickEd && pick) {
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console.log(pickEd.id)
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}
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}, Cesium.ScreenSpaceEventType.LEFT_CLICK)
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var flag = false;
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var models = viewer.scene.primitives._primitives;
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for (let i = 0; i < models.length; i++) {
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if (models[i]._url) {
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flag = true;
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}
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}
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console.log(flag)
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</script>
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</body>
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</html>
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