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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 * as Cesium from 'cesium'
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import 'cesium/Build/Cesium/Widgets/widgets.css'
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const viewerDivRef = ref<HTMLDivElement>()
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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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Cesium.Ion.defaultAccessToken =
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'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI3YjU4MjJlMS0wMWE4LTRhOWQtYjQ1OC04MTgzMzFhMzQ5ZjAiLCJpZCI6MTE1ODUxLCJpYXQiOjE2NjkyMDM1MzN9.8ajEuv3VKYg8wvFiQlUWWY6Ng6JfY4PuVgRyStL1B-E'
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//离线地球底图
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const earth_native = Cesium.TileMapServiceImageryProvider.fromUrl(
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// 'node_modules/cesium/Build/CesiumUnminified/Assets/Textures/NaturalEarthII',
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Cesium.buildModuleUrl('Assets/Textures/NaturalEarthII'),
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)
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onMounted(async () => {
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// 修改相机的默认矩形范围
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Cesium.Camera.DEFAULT_VIEW_RECTANGLE = 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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//未联网状态加载默认本地底图，保证地球有底图显示
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let viewer = new Cesium.Viewer(viewerDivRef.value as HTMLElement, {
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infoBox: false, //是否显示点击要素之后显示的信息
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homeButton: false, //是否显示Home按钮
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navigationHelpButton: false, //是否显示帮助信息控件
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timeline: false, //是否显示时间线控件
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animation: false, //是否显示动画控件
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sceneModePicker: true, //是否显示投影方式控件
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sceneMode: Cesium.SceneMode.SCENE3D, //设置场景模式，3D球体
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// terrain: Cesium.Terrain.fromWorldTerrain(),
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baseLayerPicker: false, //是否显示图层选择控件
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requestRenderMode: true, //启用请求渲染模式
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scene3DOnly: false, //每个几何实例将只能以3D渲染以节省GPU内存
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fullscreenButton: false, //右下角 全屏控件
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orderIndependentTranslucency: false,
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contextOptions: { webgl: { alpha: true } },
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baseLayer: Cesium.ImageryLayer.fromProviderAsync(earth_native, {}),
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})
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//去除cesium logo，隐藏版本信息
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const creditContainer = viewer.cesiumWidget.creditContainer as HTMLDivElement
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creditContainer.style.display = 'none'
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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: 100vh;
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}
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</style>
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