<template>
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<div class="ztzf-cesium map-container" id="cesium"></div>
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<div class="layer-control-root" :class="{ collapsed: props.leftCollapsed }">
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<div class="layer-control-wrap" ref="layerWrapRef">
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<div class="layer-control" @click="toggleLayerPanel">
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<img :src="layerControlIcon" alt="图层控制">
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</div>
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<div v-if="showLayerPanel" class="layer-panel">
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<div class="panel-title">图层管理</div>
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<div class="panel-content">
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<el-tree :data="layerTree" show-checkbox default-expand-all node-key="key" :props="layerTreeProps"
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:default-checked-keys="defaultCheckedKeys" />
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</div>
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</div>
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</div>
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</div>
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</template>
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<script setup>
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import * as Cesium from 'cesium'
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import { PublicCesium } from '@/utils/cesium/publicCesium'
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import layerControlIcon from '@/assets/images/dataCockpit/layerControl.png'
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import equipmentIcon from '@/assets/images/dataCockpit/map/equipment.png'
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const props = defineProps({
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onlineDevices: {
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type: Array,
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default: () => []
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},
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leftCollapsed: {
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type: Boolean,
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default: false
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}
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})
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let viewInstance = null
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let viewer = null
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const deviceEntityIds = new Set()
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const showLayerPanel = ref(false)
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const layerWrapRef = ref(null)
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const layerTreeProps = {
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label: 'label',
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children: 'children'
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}
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const defaultCheckedKeys = ['global', 'city-base']
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const layerTree = ref([
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{
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key: 'base',
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label: '地理信息图层',
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children: [
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{ key: 'global', label: '全球地形' },
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{ key: 'admin', label: '行政区划' }
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]
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},
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{
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key: 'city',
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label: '城市CIM图层',
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children: [
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{ key: 'city-base', label: '皖山白模' },
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{ key: 'city-grid', label: '皖山白模光栅网格' },
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{ key: 'city-tilt', label: '皖山倾斜摄影' },
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{ key: 'city-tilt-grid', label: '皖山倾斜摄影网格' }
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]
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},
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{
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key: 'sky',
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label: '空域要素图层',
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children: [
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{ key: 'airspace', label: '空域边界' },
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{ key: 'route', label: '飞行航路' }
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]
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}
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])
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const getDevicePosition = (item) => {
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const longitudeRaw = item.longitude ?? item.lng ?? item.lon
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const latitudeRaw = item.latitude ?? item.lat
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if (longitudeRaw == null || latitudeRaw == null) return null
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const longitude = Number(longitudeRaw)
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const latitude = Number(latitudeRaw)
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if (!Number.isFinite(longitude) || !Number.isFinite(latitude)) return null
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return { longitude, latitude }
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}
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const clearDeviceEntities = () => {
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if (!viewer) return
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deviceEntityIds.forEach((id) => {
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viewer.entities.removeById(id)
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})
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deviceEntityIds.clear()
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}
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const RING_STYLES = [
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{ inner: 0, outer: 5000, gradient: ['#FF361C', '#360B00'] },
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{ inner: 5000, outer: 8000, gradient: ['#FFC609', '#583300'] },
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{ inner: 8000, outer: 10000, gradient: ['#2AEDBF', '#012B11'] }
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]
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const MATERIAL_TYPE = 'RadialGradientMaterial'
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let materialRegistered = false
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const registerRadialGradientMaterial = () => {
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if (materialRegistered || !Cesium?.Material) return
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materialRegistered = true
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Cesium.Material._materialCache.addMaterial(MATERIAL_TYPE, {
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fabric: {
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type: MATERIAL_TYPE,
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uniforms: {
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color1: new Cesium.Color(1.0, 1.0, 1.0, 1.0),
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color2: new Cesium.Color(0.0, 0.0, 0.0, 1.0)
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},
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source: `
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czm_material czm_getMaterial(czm_materialInput materialInput) {
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czm_material material = czm_getDefaultMaterial(materialInput);
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vec2 st = materialInput.st - vec2(0.5);
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float t = clamp(length(st) * 2.0, 0.0, 1.0);
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vec4 color = mix(color1, color2, t);
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material.diffuse = color.rgb;
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material.alpha = color.a;
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return material;
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}
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`
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},
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translucent: () => true
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})
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}
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class RadialGradientMaterialProperty {
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constructor(color1, color2) {
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this._definitionChanged = new Cesium.Event()
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this.color1 = color1
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this.color2 = color2
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}
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get isConstant () {
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return true
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}
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get definitionChanged () {
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return this._definitionChanged
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}
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getType () {
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return MATERIAL_TYPE
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}
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getValue (time, result) {
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const target = result || {}
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target.color1 = this.color1
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target.color2 = this.color2
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return target
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}
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equals (other) {
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return (
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other instanceof RadialGradientMaterialProperty &&
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Cesium.Color.equals(this.color1, other.color1) &&
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Cesium.Color.equals(this.color2, other.color2)
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)
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}
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}
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const buildCirclePositions = (center, radiusMeters, steps = 64) => {
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const positions = []
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const latRad = Cesium.Math.toRadians(center.latitude)
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const metersToLat = 1 / 111320
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const metersToLon = 1 / (111320 * Math.cos(latRad))
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for (let i = 0; i <= steps; i += 1) {
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const angle = Cesium.Math.toRadians((i / steps) * 360)
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const dx = radiusMeters * Math.cos(angle)
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const dy = radiusMeters * Math.sin(angle)
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const lon = center.longitude + dx * metersToLon
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const lat = center.latitude + dy * metersToLat
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positions.push(Cesium.Cartesian3.fromDegrees(lon, lat))
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}
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return positions
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}
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const addDeviceRings = (center, baseId) => {
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RING_STYLES.forEach((ring, index) => {
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const outerPositions = buildCirclePositions(center, ring.outer)
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const holes = ring.inner
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? [new Cesium.PolygonHierarchy(buildCirclePositions(center, ring.inner))]
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: []
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const entityId = `${baseId}-ring-${index}`
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deviceEntityIds.add(entityId)
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registerRadialGradientMaterial()
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const [startColor, endColor] = ring.gradient
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const color1 = Cesium.Color.fromCssColorString(startColor).withAlpha(0.34)
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const color2 = Cesium.Color.fromCssColorString(endColor).withAlpha(0.34)
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const material = new RadialGradientMaterialProperty(color1, color2)
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viewer.entities.add({
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id: entityId,
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polygon: {
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hierarchy: new Cesium.PolygonHierarchy(outerPositions, holes),
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material
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}
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})
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})
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}
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const renderDeviceEntities = (devices) => {
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console.log(devices, 'devices')
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if (!viewer) return
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clearDeviceEntities()
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devices.forEach((item, index) => {
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const position = getDevicePosition(item)
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if (!position) return
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const entityId = `online-device-${item.id ?? index}`
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deviceEntityIds.add(entityId)
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addDeviceRings(position, entityId)
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viewer.entities.add({
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id: entityId,
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position: Cesium.Cartesian3.fromDegrees(position.longitude, position.latitude, 0),
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billboard: {
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image: equipmentIcon,
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width: 40.34,
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height: 40.34
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}
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})
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})
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}
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watch(
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() => props.onlineDevices,
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(devices) => {
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renderDeviceEntities(devices || [])
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},
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{ deep: true }
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)
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watch(
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() => props.leftCollapsed,
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(isCollapsed) => {
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if (isCollapsed) showLayerPanel.value = false
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}
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)
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const toggleLayerPanel = () => {
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showLayerPanel.value = !showLayerPanel.value
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}
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const handleClickOutside = (event) => {
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if (!showLayerPanel.value) return
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const target = event.target
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if (layerWrapRef.value?.contains(target)) return
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showLayerPanel.value = false
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}
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onMounted(() => {
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document.addEventListener('click', handleClickOutside)
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viewInstance = new PublicCesium({
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dom: 'cesium',
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flatMode: false,
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terrain: false,
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layerMode: 4,
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contour: false
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})
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viewer = viewInstance.getViewer()
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renderDeviceEntities(props.onlineDevices)
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})
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onBeforeUnmount(() => {
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document.removeEventListener('click', handleClickOutside)
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clearDeviceEntities()
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if (viewInstance) {
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viewInstance?.viewerDestroy()
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viewInstance = null
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}
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viewer = null
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})
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</script>
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<style lang="scss" scoped>
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.map-container {
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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}
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.layer-control-root {
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position: absolute;
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left: 411px;
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bottom: 22px;
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z-index: 9;
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transition: transform 0.3s ease-in-out;
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pointer-events: none;
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&.collapsed {
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transform: translateX(-401px);
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}
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}
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.layer-control-wrap {
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position: relative;
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display: flex;
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align-items: flex-end;
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pointer-events: auto;
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}
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.layer-control {
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width: 34px;
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height: 34px;
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cursor: pointer;
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img {
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width: 100%;
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height: 100%;
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display: block;
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}
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}
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.layer-panel {
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display: flex;
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flex-direction: column;
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position: absolute;
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left: 46px;
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bottom: 0;
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width: 160px;
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max-height: 442px;
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background: #191932;
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border-radius: 8px 8px 8px 8px;
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.panel-title {
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padding: 0 16px;
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line-height: 42px;
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font-family: Open Sans, Open Sans;
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font-weight: 400;
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font-size: 12px;
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color: #FFFFFF;
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text-align: left;
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font-style: normal;
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text-transform: none;
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border-bottom: 1px solid rgba(70,70,100,0.5);
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box-sizing: border-box;
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}
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.panel-content {
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padding: 0 16px;
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height: 0;
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flex: 1;
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overflow: auto;
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}
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::v-deep(.el-tree) {
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background: transparent;
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color: #C3C3DD;
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font-size: 12px;
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.el-tree-node {
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line-height: 30px !important;
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.el-tree-node__content {
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display: flex;
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align-items: center;
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height: 40px !important;
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line-height: 40px !important;
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border-bottom: 1px solid rgba(70,70,100,0.5);
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box-sizing: border-box;
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}
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.el-tree-node__children {
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.el-tree-node__content {
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border: none;
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}
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}
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}
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}
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}
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.layer-panel :deep(.el-tree-node__label) {
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color: #C3C3DD;
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}
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.layer-panel :deep(.el-tree-node__expand-icon) {
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order: 3;
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margin-left: auto;
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}
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.layer-panel :deep(.el-tree-node__expand-icon.is-leaf) {
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visibility: hidden;
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}
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.layer-panel :deep(.el-checkbox) {
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order: 1;
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}
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.layer-panel :deep(.el-tree-node__label) {
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order: 2;
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}
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.layer-panel :deep(.el-tree-node__expand-icon:not(.is-leaf) ~ .el-checkbox) {
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display: none;
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}
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.layer-panel :deep(.el-tree-node__content:hover) {
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background: transparent !important;
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}
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.layer-panel :deep(.el-tree-node.is-current > .el-tree-node__content) {
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background: transparent !important;
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color: #FFFFFF;
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}
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.layer-panel :deep(.el-tree-node.is-current > .el-tree-node__content .el-tree-node__label) {
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color: #FFFFFF;
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}
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.layer-panel :deep(.el-checkbox__input.is-checked .el-checkbox__inner) {
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background-color: #023AFF;
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border-color: #023AFF;
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}
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.layer-panel :deep(.el-checkbox__inner) {
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background-color: transparent;
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border-color: #A1A3D4;
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}
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</style>
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