mirror of
https://github.com/jiawanlong/Cesium-Examples.git
synced 2025-11-04 01:04:17 +00:00
152 lines
7.2 KiB
HTML
152 lines
7.2 KiB
HTML
<!--********************************************************************
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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="./../../cesium/Cesium1.98/Widgets/widgets.css">
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<script src="https://unpkg.com/axios/dist/axios.min.js"></script>
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<script src="./turf.min.js"></script>
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<script type="text/javascript" src="./../../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.eyJqdGkiOiI3ZjQ5ZGUzNC1jNWYwLTQ1ZTMtYmNjYS05YTY4ZTVmN2I2MDkiLCJpZCI6MTE3MTM4LCJpYXQiOjE2NzY0NDUyODB9.ZaNSBIfc1sGLhQd_xqhiSsc0yr8oS0wt1hAo9gbke6M'
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const viewer = new Cesium.Viewer('map', {});
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// 开启帧率
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viewer.scene.debugShowFramesPerSecond = true;
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const maskpointArray = []
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axios.get('./anzhouBorder.json')//读取区域json
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.then((response) => {
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for (let i = 0; i < response.data.features[0].geometry.coordinates[0].length; i++) {
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maskpointArray.push(response.data.features[0].geometry.coordinates[0][i][0])
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maskpointArray.push(response.data.features[0].geometry.coordinates[0][i][1])
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}
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var maskspoint = Cesium.Cartesian3.fromDegreesArray(maskpointArray)
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const area = new Cesium.Entity({
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id: 1,
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polygon: {
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hierarchy: {
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positions: Cesium.Cartesian3.fromDegreesArray([100, 0, 100, 89, 150, 89, 150, 0,]),//外部区域
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holes: [{
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positions: maskspoint//挖空区域
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}]
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},
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material: Cesium.Color.BLUE.withAlpha(0.6)//外部颜色
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}
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})
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const line = new Cesium.Entity({
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id: 2,
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polyline: {
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positions: maskspoint,
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width: 2,//边界线宽
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material: Cesium.Color.fromCssColorString('#6dcdeb')//边界线颜色
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}
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})
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viewer.entities.add(area)
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viewer.entities.add(line)
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viewer.flyTo(line, { duration: 3 })
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}).catch((response) => {
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console.log(response)
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})
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// -------------------------方法2----------------------
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// axios.get('./anzhouBorder.json')//读取区域json
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// .then((response1) => {
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// let response = response1.data;
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// //设置地表透明
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// let globe = viewer.scene.globe;
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// let scene = viewer.scene;
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// globe.depthTestAgainstTerrain = false;
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// viewer.scene.skyAtmosphere.show = false; //关闭大气层阴影
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// // screenSpaceCameraController获取用于摄像机输入处理的控制器;
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// // enableCollisionDetectio启用或禁用摄影机与地形的碰撞检测,
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// // 为true不会进入地下;
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// // scene.screenSpaceCameraController.enableCollisionDetection = false;
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// globe.translucency.frontFaceAlphaByDistance = new Cesium.NearFarScalar(
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// 400.0,
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// 0.0,
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// 800.0,
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// 1.0
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// );
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// globe.translucency.enabled = true;
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// globe.translucency.frontFaceAlphaByDistance.nearValue = Cesium.Math.clamp(
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// 0.3,
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// 0.0,
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// 0.1
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// );
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// globe.translucency.frontFaceAlphaByDistance.farValue = 1.0;
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// viewer.scene.screenSpaceCameraController.minimumZoomDistance = 10000;
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// viewer.scene.screenSpaceCameraController.maximumZoomDistance = 50000;
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// let bounds = [];
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// // viewer.scene.globe.depthTestAgainstTerrain = true;
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// // let response = pinggubianjieJson;
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// const maskpointArray = [];
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// for (
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// let i = 0;
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// i < response.features[0].geometry.coordinates[0].length;
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// i++
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// ) {
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// bounds.push([
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// response.features[0].geometry.coordinates[0][i][0],
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// response.features[0].geometry.coordinates[0][i][1],
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// ]);
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// maskpointArray.push(response.features[0].geometry.coordinates[0][i][0]);
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// maskpointArray.push(response.features[0].geometry.coordinates[0][i][1]);
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// }
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// boundspolygon = turf.polygon([bounds]);
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// var maskspoint = Cesium.Cartesian3.fromDegreesArray(maskpointArray);
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// const entity1 = new Cesium.Entity({
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// id: 1,
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// polygon: {
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// hierarchy: {
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// // 绘制的区域太大容易卡顿
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// positions: Cesium.Cartesian3.fromDegreesArray([
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// 100, 0, 100, 89, 150, 89, 150, 0,
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// // 113.37890625, 37.50972584293751, 121.28906250000001,
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// // 37.50972584293751, 121.28906250000001, 42.35854391749705,
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// // 113.37890625, 42.35854391749705, 113.37890625, 37.50972584293751,
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// ]),
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// // holes是图形内需要挖空的区域
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// holes: [
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// {
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// positions: maskspoint,
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// },
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// ],
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// },
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// material: Cesium.Color.WHITE.withAlpha(0.5),
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// // material: Cesium.Color.WHITE.withAlpha(1),
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// },
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// });
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// const entity3 = new Cesium.Entity({
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// name: "动态立体墙",
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// wall: {
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// positions: maskspoint,
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// maximumHeights: maskspoint.map((res) => {
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// return 600;
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// }),
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// minimumHeights: maskspoint.map((res) => {
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// return -600;
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// }),
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// material: Cesium.Color.fromCssColorString("#6dcdeb"),
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// },
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// });
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// viewer.entities.add(entity1);
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// viewer.entities.add(entity3);
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// viewer.flyTo(entity3, {
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// duration: 3,
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// });
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// })
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</script>
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</body>
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</html> |