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<!--
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* @Author: cbwu 504-wuchengbo@htsdfp.com
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* @Date: 2024-03-07 14:15:35
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* @LastEditors: cbwu
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* @LastEditTime: 2024-04-12 09:22:20
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* @Description:
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-->
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<template>
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<div id="cesium-viewer" ref="viewerDivRef"></div>
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</template>
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<script setup lang="ts">
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import { onMounted, ref } from 'vue'
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import { Viewer, Ion, Cartesian3, CustomDataSource, Color } from 'cesium'
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import 'cesium/Build/Cesium/Widgets/widgets.css'
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import {
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TDTLayerType,
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TDTProjectionType,
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getTDTProvider,
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getTDTTerrainProvider,
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} from '@/utils/map/TDTProvider'
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import { initViewer, perfViewer, showNavigator } from '@/utils/map/sceneViewer'
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import { flyToChina } from '@/utils/map/camera'
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import CreatePolyline from '@/utils/map/draw/drawPolyline'
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// import DrawPoint from '@/utils/map/draw/drawPoint'
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import { DrawPolygon } from '@/utils/map/draw/drawPolygon'
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const viewerDivRef = ref<HTMLDivElement>()
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let viewer: Viewer
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window.CESIUM_BASE_URL = 'node_modules/cesium/Build/Cesium/'
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// window.CESIUM_BASE_URL = 'libs/cesium/' //打包部署
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Ion.defaultAccessToken =
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'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI3YjU4MjJlMS0wMWE4LTRhOWQtYjQ1OC04MTgzMzFhMzQ5ZjAiLCJpZCI6MTE1ODUxLCJpYXQiOjE2NjkyMDM1MzN9.8ajEuv3VKYg8wvFiQlUWWY6Ng6JfY4PuVgRyStL1B-E'
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// 修改相机的默认矩形范围
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// window.Cesium.Camera.DEFAULT_VIEW_RECTANGLE =
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// window.Cesium.Rectangle.fromDegrees(
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// 75.0, // 西经
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// 0.0, // 南纬
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// 140.0, // 东经
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// 60.0, // 北纬
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// )
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onMounted(() => {
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//初始化
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viewer = initViewer(viewerDivRef.value as HTMLElement)
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// 性能优化
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perfViewer(viewer)
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// 定位到中国
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flyToChina(viewer)
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// 显示罗盘和比例尺
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showNavigator(viewer)
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//添加天地图影像
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viewer.imageryLayers.addImageryProvider(
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getTDTProvider(TDTLayerType.Img, TDTProjectionType.WebMercator),
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)
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//添加天地图影像注记
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viewer.imageryLayers.addImageryProvider(
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getTDTProvider(TDTLayerType.Cia, TDTProjectionType.WebMercator),
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)
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// 添加三维地形服务
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viewer.terrainProvider = getTDTTerrainProvider()
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// 标记点图层，存储所有地标点
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const markerLayer = new CustomDataSource('Marker')
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viewer.dataSources.add(markerLayer)
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// 挂载在window，供全局组件共享
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window.viewer = viewer
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//绘制多边形
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// const drawPolyline = new CreatePolyline(viewer)
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// drawPolyline.start()
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const drawPolygon = new DrawPolygon(viewer)
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drawPolygon.start()
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})
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</script>
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<style scoped>
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#cesium-viewer {
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width: 100%;
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height: 100%;
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}
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</style>
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