<!--
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* @Author: 胡思旗 931347610@qq.com
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* @Date: 2023-08-22 17:50:30
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* @LastEditors: 胡思旗 931347610@qq.com
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* @LastEditTime: 2023-08-25 10:06:16
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* @FilePath: \Cloud-API-Demo-Web\src\components\cesiumMap\cesium.vue
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* @Description:
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*
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* Copyright (c) 2023 by ${git_name_email}, All Rights Reserved.
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-->
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<template>
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<div class="height-100 width-100 cesium" id="cesiumContainer" @click="getCoordinate"></div>
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</template>
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<script setup lang="ts">
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import * as Cesium from 'cesium'
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import { onMounted, ref, onUnmounted } from 'vue'
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const viewer: { value: Cesium.Viewer | null | undefined } = ref()
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const init = () => {
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// Cesium Token
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const cesiumToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiJhMjdmNGUxZC02YzY3LTQyZWUtOTNmYy1hNTI0MDRkZDY2ZmEiLCJpZCI6MTYxODgyLCJpYXQiOjE2OTI3NTQyNDV9.Pm7xTwPmKowPzFgJ0TsIKOtthigq86BLJX4c8M97Hhw'
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Cesium.Ion.defaultAccessToken = cesiumToken
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Cesium.Camera.DEFAULT_VIEW_FACTOR = -0.45
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// 西南东北，默认显示中国
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Cesium.Camera.DEFAULT_VIEW_RECTANGLE = Cesium.Rectangle.fromDegrees(110, -25, 110, 90)
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viewer.value = new Cesium.Viewer('cesiumContainer', {
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infoBox: false, // 禁用沙箱，解决控制台报错
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animation: false, // 左下角的动画仪表盘
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baseLayerPicker: false, // 右上角的图层选择按钮
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geocoder: false, // 搜索框
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homeButton: false, // home按钮
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sceneModePicker: false, // 模式切换按钮
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timeline: false, // 底部的时间轴
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navigationHelpButton: false, // 右上角的帮助按钮，
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baseLayer: false,
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})
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loadLAYER()
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}
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// 加载图层、注解方法
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const loadLAYER = () => {
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// 天地图Key
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const TDT_Token = 'c6eea7dad4fa1e2d1e32ec0e7c9735db'
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// 天地图地图
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const 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_Token
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// 天地图注记
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const TDT_ZJ = 'http://{s}.tianditu.gov.cn/cia_c/wmts?service=wmts&request=GetTile&version=1.0.0' +
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'&LAYER=cia&tileMatrixSet=c&TileMatrix={TileMatrix}&TileRow={TileRow}&TileCol={TileCol}' +
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'&style=default&format=tiles&tk=' + TDT_Token
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// 天地图图层加载
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const 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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})
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viewer.value?.imageryLayers.addImageryProvider(imageryProvider)
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// 天地图中文注记加载
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const annotation = new Cesium.WebMapTileServiceImageryProvider({
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url: TDT_ZJ,
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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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})
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viewer.value?.imageryLayers.addImageryProvider(annotation)
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}
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// 相机设置
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const camera = () => {}
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// 获取地图点击坐标
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const getCoordinate = () => {
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let longitude: number, latitude: number
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viewer.value?.screenSpaceEventHandler.setInputAction((e: any) => {
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const cartesian = viewer.value?.camera.pickEllipsoid(e.position, viewer.value?.scene.globe.ellipsoid)
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if (cartesian) {
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const cartographic = Cesium.Cartographic.fromCartesian(cartesian)
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longitude = Cesium.Math.toDegrees(cartographic.longitude)
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latitude = Cesium.Math.toDegrees(cartographic.latitude)
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}
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Point(longitude, latitude)
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return { longitude, latitude }
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}, Cesium.ScreenSpaceEventType.LEFT_CLICK)
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}
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const Point = (longitude:number, latitude:number) => {
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const entity = viewer.value?.entities.add({
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position: Cesium.Cartesian3.fromDegrees(longitude, latitude),
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point: {
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pixelSize: 10,
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color: Cesium.Color.YELLOW
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}
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})
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// // 将相机定位到标记点的位置
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// viewer.value?.camera.flyTo({
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// destination: entity.position,
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// duration: 2
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// })
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}
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onMounted(() => {
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init()
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})
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// 销毁地图模型
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onUnmounted(() => {
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viewer.value = null
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})
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</script>
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<style scoped lang="scss">
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.cesium{
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:deep(.cesium-viewer-bottom){
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display: none !important;
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}
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}
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</style>
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