mirror of
https://github.com/jiawanlong/Cesium-Examples.git
synced 2025-11-04 01:04:17 +00:00
237 lines
11 KiB
HTML
237 lines
11 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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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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// 加载xyz
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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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// 开启帧率
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viewer.scene.debugShowFramesPerSecond = true;
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const tileset = new Cesium.Cesium3DTileset({
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url: "./L0/tileset.json",
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});
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tileset.debugShowBoundingVolume = true; // 显示包围盒
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tileset.readyPromise
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.then(function (tileset) {
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let demo = viewer.scene.primitives.add(tileset);
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var r = 255;
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var g = 255;
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var b = 255;
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var a = 0.2;
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tileset.style = new Cesium.Cesium3DTileStyle({
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color: "color('rgba(" + r + "," + g + "," + b + ", " + a + ")')",
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pointOutlineColor: 'color("blue")',
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pointOutlineWidth: 10,
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})
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viewer.zoomTo(tileset)
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console.log(tileset)
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tileset.enableShowOutline = true;
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const FILL_COLOR = Cesium.Color.RED.withAlpha(0.5); // 填充色
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const boxInstances = []; // 填充部分
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const edgeInstances = []; // 边框部分
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const EDGE_WIDTH = 1; // 边框宽度
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const EDGE_COLOR = Cesium.Color.BLACK; // 边框色
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demo.tileLoad.addEventListener(function (tile) {
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console.log(tile.content.featuresLength)
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for (let index = 0; index < tile.content.featuresLength; index++) {
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let minx_miny_minz = tile.content.getFeature(index).getProperty('bb.minX, bb.minY, bb.minZ')
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let maxx_maxy_maxz = tile.content.getFeature(index).getProperty('bb.maxX, bb.maxY, bb.maxZ')
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minx_miny_minz = parseCoordinate(minx_miny_minz)
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maxx_maxy_maxz = parseCoordinate(maxx_maxy_maxz)
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// var hello = viewer.entities.add({
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// position: minx_miny_minz,
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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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// label: {
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// text: '左前下',
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// font: '14pt monospace',
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// outlineWidth: 2,
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// }
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// });
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// var hello = viewer.entities.add({
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// position: maxx_maxy_maxz,
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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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// label: {
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// text: '右后上',
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// font: '14pt monospace',
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// outlineWidth: 2,
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// }
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// });
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let x = tile.content.getFeature(index).getProperty('centerX')
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let y = tile.content.getFeature(index).getProperty('centerY')
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let z = tile.content.getFeature(index).getProperty('centerZ')
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const CUBE_SIZE = parseFloat(tile.content.getFeature(index).getProperty('zSize'))
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// let CUBE_SIZE = 7.663837909698486 ;
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const center = Cesium.Cartesian3.fromDegrees(
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parseFloat(x), parseFloat(y), parseFloat(z)
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);
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// 获取ENU转换矩阵
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const enuMatrix = Cesium.Transforms.eastNorthUpToFixedFrame(center);
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// --- 1. 创建立方体填充 ---
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const halfSize = CUBE_SIZE / 2;
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boxInstances.push(new Cesium.GeometryInstance({
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geometry: new Cesium.BoxGeometry({
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vertexFormat: Cesium.PerInstanceColorAppearance.VERTEX_FORMAT,
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minimum: new Cesium.Cartesian3(-halfSize, -halfSize, -halfSize),
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maximum: new Cesium.Cartesian3(halfSize, halfSize, halfSize)
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}),
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modelMatrix: enuMatrix,
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attributes: {
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color: Cesium.ColorGeometryInstanceAttribute.fromColor(FILL_COLOR)
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}
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}));
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// --- 2. 创建立方体边框 ---
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const localVertices = [
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new Cesium.Cartesian3(-halfSize, -halfSize, -halfSize), // 0 左前下
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new Cesium.Cartesian3(halfSize, -halfSize, -halfSize), // 1 右前下
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new Cesium.Cartesian3(halfSize, halfSize, -halfSize), // 2 右后下
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new Cesium.Cartesian3(-halfSize, halfSize, -halfSize), // 3 左后下
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new Cesium.Cartesian3(-halfSize, -halfSize, halfSize), // 4 左前上
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new Cesium.Cartesian3(halfSize, -halfSize, halfSize), // 5 右前上
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new Cesium.Cartesian3(halfSize, halfSize, halfSize), // 6 右后上
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new Cesium.Cartesian3(-halfSize, halfSize, halfSize) // 7 左后上
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];
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// 转换为世界坐标
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const worldVertices = localVertices.map(local =>
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Cesium.Matrix4.multiplyByPoint(enuMatrix, local, new Cesium.Cartesian3())
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);
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// 定义12条边
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const edges = [
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[worldVertices[0], worldVertices[1]], [worldVertices[1], worldVertices[2]],
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[worldVertices[2], worldVertices[3]], [worldVertices[3], worldVertices[0]],
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[worldVertices[4], worldVertices[5]], [worldVertices[5], worldVertices[6]],
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[worldVertices[6], worldVertices[7]], [worldVertices[7], worldVertices[4]],
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[worldVertices[0], worldVertices[4]], [worldVertices[1], worldVertices[5]],
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[worldVertices[2], worldVertices[6]], [worldVertices[3], worldVertices[7]]
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];
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// 添加边框实例
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edges.forEach(edge => {
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edgeInstances.push(new Cesium.GeometryInstance({
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geometry: new Cesium.PolylineGeometry({
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positions: edge,
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width: EDGE_WIDTH,
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vertexFormat: Cesium.PolylineMaterialAppearance.VERTEX_FORMAT
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}),
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attributes: {
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color: Cesium.ColorGeometryInstanceAttribute.fromColor(EDGE_COLOR)
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}
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}));
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});
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}
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viewer.scene.primitives.add(new Cesium.Primitive({
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geometryInstances: boxInstances,
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appearance: new Cesium.PerInstanceColorAppearance({
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translucent: true,
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flat: true
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}),
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asynchronous: false
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}));
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viewer.scene.primitives.add(new Cesium.Primitive({
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geometryInstances: edgeInstances,
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appearance: new Cesium.PolylineMaterialAppearance({
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material: new Cesium.Material({
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fabric: {
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type: 'Color',
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uniforms: {
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color: EDGE_COLOR // 直接使用定义的EDGE_COLOR
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}
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}
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}),
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translucent: true
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}),
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asynchronous: false
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}));
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viewer.scene.primitives.remove(tileset)
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})
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})
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.catch(function (error) {
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console.log(error);
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});
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let handler = new Cesium.ScreenSpaceEventHandler(viewer.scene.canvas);
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handler.setInputAction(function (clickEvent) {
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// 获取被点击的实体
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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)
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}
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}, Cesium.ScreenSpaceEventType.LEFT_CLICK)
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function parseCoordinate(str) {
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const regex = /Point3D\{\s*x\s*=\s*(-?\d+(?:\.\d+)?)\s*,\s*y\s*=\s*(-?\d+(?:\.\d+)?)\s*,\s*z\s*=\s*(-?\d+(?:\.\d+)?)\s*\}/;
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const match = str.match(regex);
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if (match) {
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const x = parseFloat(match[1]);
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const y = parseFloat(match[2]);
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const z = parseFloat(match[3]);
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return new Cesium.Cartesian3(x, y, z)
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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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