142 lines
5.3 KiB
Vue
142 lines
5.3 KiB
Vue
<script setup>
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import { ref ,onMounted} from 'vue'
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import * as Cesium from 'cesium';
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import _ from "lodash";
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import * as turf from 'turf';
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let viewer = null,
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tempEntities = [],
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isAddPoint = false;
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onMounted(()=>{
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initViewer();
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})
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function initViewer(){
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//天地图影像
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const TDT_tk = "ea3530e6803b44025cfa81500eaae01f";
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let TDT_IMG_C = "http://{s}.tianditu.gov.cn/img_c/wmts?service=wmts&request=GetTile&version=1.0.0" +
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"&LAYER=img&tileMatrixSet=c&TileMatrix={TileMatrix}&TileRow={TileRow}&TileCol={TileCol}" +
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"&style=default&format=tiles&tk=" + TDT_tk;
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const cesiumKey = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiIyNjI2ZjVjMS0zZTFjLTQ3MDAtYTZlZC02YWFjOWQwNzBjNjIiLCJpZCI6ODM1NTQsImlhdCI6MTY0NTY1NzYzM30.IPqS_sM-s_vzNnK0EAiTy6kpYP5RBYkuMgbqJtKQkPw";
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Cesium.Ion.defaultAccessToken = cesiumKey;
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viewer = new Cesium.Viewer("cesiumContainer",{
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geocoder: false, //位置查找
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homeButton: false, //视图返回初始位置
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sceneModePicker: true, //视角选择器
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baseLayerPicker:false,//底图选择器
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navigationHelpButton: false, //导航帮助按钮
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animation: false, //动画控制器
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creditContainer:document.createElement("div"),//版权显示
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timeline: false, //时间线
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fullscreenButton: false, //全屏控件
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vrButton: false,
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infoBox:false,
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selectionIndicator:false,
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// scene3DOnly: true, // 每个几何实例将只能以3D渲染以节省GPU内存
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// sceneMode: 3, // 初始场景模式 1 2D模式 2 2D循环模式 3 3D模式 Cesium.SceneMode
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// imageryProvider: new Cesium.WebMapTileServiceImageryProvider({
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// url: TDT_IMG_C,
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// layer: "tdtImg_c",
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// style: "default",
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// format: "tiles",
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// tileMatrixSetID: "c",
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// subdomains: ["t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7"],
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// tilingScheme: new Cesium.GeographicTilingScheme(),
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// tileMatrixLabels: ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19"],
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// maximumLevel: 50,
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// show: false
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// })
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// terrain: Cesium.Terrain.fromWorldTerrain({
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// requestWaterMask: true,
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// requestVertexNormals: true
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// })
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})
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// 添加Cesium ion的地形
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const terrain = new Cesium.Terrain(
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Cesium.CesiumTerrainProvider.fromIonAssetId(1),
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)
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viewer.scene.setTerrain(terrain);
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viewer.scene.globe.depthTestAgainstTerrain = false; // 图标被遮挡
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viewer.scene.fxaa = false;
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// 设置后当相机高度达到设置的最大和最小高度时将不再放大和缩小
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viewer.scene.screenSpaceCameraController.minimumZoomDistance = 0; // 相机的高度的最小值
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viewer.scene.screenSpaceCameraController.maximumZoomDistance = 20000000; // 相机高度的最大值
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// 关闭双击事件
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viewer.cesiumWidget.screenSpaceEventHandler.removeInputAction(
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Cesium.ScreenSpaceEventType.LEFT_DOUBLE_CLICK
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);
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// Fly the camera to San Francisco at the given longitude, latitude, and height.
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viewer.camera.flyTo({
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destination: Cesium.Cartesian3.fromDegrees(113.9641713, 23.3191755, 400),
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orientation: {
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heading: Cesium.Math.toRadians(0.0),
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pitch: Cesium.Math.toRadians(-15.0)
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}
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})
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}
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</script>
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<template>
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<div id="cesiumContainer"></div>
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<div class="menu-container">
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<el-row type="flex" :gutter="20">
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<el-col :span="24">
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<div class="grid-content bg-purple">
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<el-breadcrumb separator="/">
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<el-breadcrumb-item>cesium</el-breadcrumb-item>
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<el-breadcrumb-item>绘制功能</el-breadcrumb-item>
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<el-breadcrumb-item>点、线、面</el-breadcrumb-item>
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</el-breadcrumb>
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</div>
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</el-col>
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</el-row>
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<el-row type="flex" :gutter="20">
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<el-col :span="24">
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<div class="grid-content bg-purple">
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<cesiumComponent id="cesium" ref="refCesium" />
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</div>
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</el-col>
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</el-row>
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<el-row type="flex" :gutter="20">
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<el-col :span="24">
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<div class="grid-content bg-purple">
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<el-button type="primary" @click="drawTerrian()">获取视野内的地形</el-button>
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<el-button type="primary" @click="filterTerrian()">过滤地形</el-button>
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<el-button type="primary" @click="drawTin()">绘制TIN</el-button>
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<!-- <el-button type="primary" @click="draw('polyline')">绘制线</el-button>
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<el-button type="primary" @click="draw('polygon')">绘制面</el-button>
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<el-button type="primary" @click="clearDrawEntities">清空</el-button> -->
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</div>
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</el-col>
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</el-row>
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</div>
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<div
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id="tooltip"
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style="
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position: absolute;
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z-index: 999;
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background: rgba(0, 0, 0, 0.3);
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color: rgb(255, 255, 255);
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font-size: 12px;
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padding: 5px;
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border-radius: 5px;
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"
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>
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左键点击选点，右键确定
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</div>
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</template>
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<style scoped>
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#cesiumContainer{
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height: 100%;
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width: 100%;
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}
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.menu-container {
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position: absolute;
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top: 30px;
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left: 100px;
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z-index: 9999;
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}
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</style>
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