实现基本功能
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<template>
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<vc-viewer ref="vcViewer" class="vc-viewer" :animation="true" :showCredit="false" :shouldAnimate="true" :sceneModePicker="true" @ready="onViewerReady">
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<vc-viewer class="vc-viewer" :animation="true" :showCredit="false" :shouldAnimate="true" :sceneModePicker="true" @ready="onViewerReady" @trackedEntityChanged="onTrackedEntityChanged">
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<vc-layer-imagery>
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<vc-provider-imagery-tianditu mapStyle="img_c" :token="token" />
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</vc-layer-imagery>
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<vc-layer-imagery>
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<vc-provider-imagery-tianditu mapStyle="cva_c" :token="token" />
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<vc-provider-imagery-singletile
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:url="earth"
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></vc-provider-imagery-singletile>
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</vc-layer-imagery>
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<vc-navigation :offset="[10, 40]" :position="'top-left'" :printOpts="false" :locationOpts="false" :otherOpts="false" />
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@ -13,87 +12,80 @@
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</vc-viewer>
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</template>
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<script lang="ts">
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import { ref, defineComponent } from 'vue'
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<script lang="ts" setup>
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import { ref, computed, watch } from 'vue'
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import { useStore } from 'vuex'
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import { VcViewer, VcLayerImagery, VcProviderImageryTianditu, VcNavigation, VcDatasourceCzml } from 'vue-cesium'
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import 'vue-cesium/dist/index.css'
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export default defineComponent({
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setup: () => {
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const vcViewer = ref(null)
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const token = '436ce7e50d27eede2f2929307e6b33c0'
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// import 'vue-cesium/dist/index.css'
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import earth from '../assets/earth.jpg'
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const czml = ref('')
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const loadSatelliteOrbit = ss => czml.value = './CZML/' + ss + '.czml'
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const store = useStore()
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const czml = computed(() => './CZML/' + store.state.satelliteSystem.name + '.czml')
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const onViewerReady = ({ viewer }) => {
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viewer.scene.debugShowFramesPerSecond = false
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// 移除默认的图层，提升加载速度
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const { imageryLayers } = viewer
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imageryLayers.remove(imageryLayers.get(0))
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let entities = null
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const getEntityById = id => {
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if (!entities) return null
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// 限定缩放大小
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// viewer.scene.screenSpaceCameraController.maximumZoomDistance = 50000000 // 相机高度的最大值设定为 50000000 米
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// viewer.scene.screenSpaceCameraController.minimumZoomDistance = 10000000 // 相机高度的最小值设定为 10000000 米
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// 修改infobox的样式
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const infoBox = viewer.infoBox.frame;
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infoBox.setAttribute('sandbox', 'allow-same-origin allow-scripts allow-popups allow-forms');
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infoBox.setAttribute('src', ''); //必须设置src为空 否则不会生效
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infoBox.addEventListener('load', function () {
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const infoBoxDescriptionElement = infoBox.contentWindow.document.getElementsByClassName('cesium-infoBox-description')[0]
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infoBoxDescriptionElement.style.fontSize = 'larger'
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infoBoxDescriptionElement.style.paddingLeft = '20px'
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infoBoxDescriptionElement.style.paddingRight = '20px'
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})
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}
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return entities.find(entity => entity.id === id)
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}
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const onDataSourceReady = ({ viewer, cesiumObject }) => {
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viewer.flyTo(cesiumObject)
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let entities = null
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const store = useStore()
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const onDataSourceReady = ({ viewer, cesiumObject }) => {
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viewer.flyTo(cesiumObject)
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entities = cesiumObject.entities.values
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entities = cesiumObject.entities.values
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// 显示卫星导航系统的科普信息
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viewer.selectedEntity = entities.find(entity => entity.id.startsWith('Constellation'))
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// viewer.selectedEntity = entities[entities.length - 1]
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// 显示卫星导航系统的科普信息
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viewer.selectedEntity = entities.find(entity => entity.id.startsWith('Constellation'))
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// 将卫星状态信息存储到store中
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const satellites = entities.filter(entity => entity.id.startsWith('Satellite'))
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const satellite_state_arr = satellites.map(({ id, show }) => { return { id, show } })
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store.commit('satellites/set', satellite_state_arr)
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}
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// 显示/隐藏卫星
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store.subscribe(({ type, payload }) => {
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if (type === 'satellites/toggleShow') {
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const entity = getEntityById(payload)
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if (!entity) return
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// 将卫星状态信息存储到store中
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const satellites = entities.filter(entity => entity.id.startsWith('Satellite'))
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const satellite_state_arr = satellites.map(({ id, show }) => { return { id, show } })
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store.commit('satellites/set', satellite_state_arr)
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}
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// 显示/隐藏卫星
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store.subscribe(({ type, payload }) => {
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if (type === 'satellites/toggleShow') {
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const entity = getEntityById(payload)
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if (!entity) return
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entity.show = !entity.show
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}
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})
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// 跟踪卫星
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const trackSatellite = id => {
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const entity = getEntityById(id)
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if (!entity) return
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const viewer = vcViewer.value.getCesiumObject()
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viewer.selectedEntity = entity
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viewer.trackedEntity = entity
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}
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const getEntityById = id => {
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if (!entities) return null
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return entities.find(entity => entity.id === id)
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}
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return { vcViewer, token, czml, loadSatelliteOrbit, trackSatellite, onViewerReady, onDataSourceReady }
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},
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components: {
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VcViewer, VcLayerImagery, VcProviderImageryTianditu, VcNavigation, VcDatasourceCzml
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entity.show = !entity.show
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}
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})
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let vcViewerInstance = null
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const trackedSatelliteId = computed(() => store.state.trackedSatellite.id)
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watch(trackedSatelliteId, (value) => {
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const entity = getEntityById(value)
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if (!entity || !vcViewerInstance) return
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vcViewerInstance.selectedEntity = entity
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vcViewerInstance.trackedEntity = entity
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})
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const onTrackedEntityChanged = entity => {
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console.log(entity, '==============');
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store.commit('trackedSatellite/set', null)
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}
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const onViewerReady = ({ viewer }) => {
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vcViewerInstance = viewer
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viewer.scene.debugShowFramesPerSecond = false
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// 限定缩放大小
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viewer.scene.screenSpaceCameraController.minimumZoomDistance = 10000000 // 相机高度的最小值设定为 10000000 米
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// 修改infobox的样式
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const infoBox = viewer.infoBox.frame;
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infoBox.setAttribute('sandbox', 'allow-same-origin allow-scripts allow-popups allow-forms')
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infoBox.setAttribute('src', '') //必须设置src为空 否则不会生效
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infoBox.addEventListener('load', function () {
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const infoBoxDescriptionElement = infoBox.contentWindow.document.getElementsByClassName('cesium-infoBox-description')[0]
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infoBoxDescriptionElement.style.fontSize = 'larger'
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infoBoxDescriptionElement.style.paddingLeft = '20px'
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infoBoxDescriptionElement.style.paddingRight = '20px'
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})
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}
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</script>
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<style>
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