import * as Cesium from 'cesium'
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import aggregationImg from '@/assets/images/home/useUavHome/aggregation.png'
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import eventAggregationImg from '@/assets/images/home/useUavHome/eventAggregationImg.png'
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import uavImg from '@/assets/images/home/useUavHome/uavImg.png'
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import { getEventImage } from '@/utils/stateToImageMap/event'
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import { getDroneStatusImage } from '@/utils/stateToImageMap/drone'
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import { useStore } from 'vuex'
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import { getCenterPoint } from '@/utils/cesium/mapUtil'
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import cesiumOperation from '@/utils/cesium-tsa'
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import { getDeviceRegion, getDeviceRegionCount, getEventDetails, getMapEvents } from '@/api/home/aggregation'
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import { PolyGradientMaterial } from '@/utils/cesium/Material'
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import { start } from 'nprogress'
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// hook
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import { useMapHandlerClick } from '@/hooks/components/useMapHandlerClick'
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/**
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* 机巢聚合功能
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*/
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let arrColor = [
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'rgb(15,176,255)',
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'rgb(18,76,154)',
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'#40C4E4',
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'#42B2BE',
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'rgb(51,176,204)',
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'#8CB7E5',
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'rgb(0,244,188)',
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'#139FF0',
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]
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let index = 0
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function getColor () {
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return arrColor[++index % arrColor.length]
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}
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export const useMapAggregation = (type, status) => {
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const { flyTo } = cesiumOperation()
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const mergeImg = type === 'device' ? aggregationImg : eventAggregationImg
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const styleTransform = type === 'device' ? 'translateY(-50%)' : 'translate(-50%,-110%)'
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const eventType = type === 'device' ? ['deviceAggregation', 'device'] : 'event'
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const {
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handlerInit: mapHandlerInit,
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removeAll: removeMapHandlerAll,
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removeLabel: removeMapLabel
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} = useMapHandlerClick({
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popupType: `${type}-popup`,
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eventType: eventType,
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styleTransform,
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getViewer () {
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return viewer
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}
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})
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let scalingJudgment = [
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{ name: '县', splashedList: [], gJson: null, show: false, outline: {}, value: [0, 48651], height: 31753 },
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{ name: '市', splashedList: [], gJson: null, show: false, outline: {}, value: [48651, 314863], height: 257731 },
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{
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name: '省',
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splashedList: [],
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gJson: null,
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show: false,
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outline: {},
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value: [314863, 3796280000],
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height: 1987280,
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},
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]
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let viewer = null
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let active = null
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const store = useStore()
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const userAreaCode = computed(() => store.state.user.userInfo.detail.areaCode)
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const selectedAreaCode = computed(() => store.state.user.selectedAreaCode)
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const eventTimeType = computed(() => store.state.home.eventTimeType)
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const eventTimeRang = computed(() => store.state.home.eventTimeRang)
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const singleUavHome = computed(() => store.state.home.singleUavHome)
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let needFly = true
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const combinedValues = computed(() => ({
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selectedAreaCode: selectedAreaCode.value,
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eventTimeType: eventTimeType.value,
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eventTimeRang: eventTimeRang.value,
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singleUavHome: singleUavHome.value,
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}))
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let saveParams = { area_code: '', date_enum: 'CURRENT_WEEK' }
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// 确定缩放比例
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const determineScaling = () => {
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// console.log('确定缩放比例');
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if (!viewer) return
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let height = viewer.camera.positionCartographic.height
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// 根据高度展示对应的 gJson
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for (let [index, item] of scalingJudgment.entries()) {
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if (!item.show) return
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if (height > item.value[0] && height <= item.value[1]) {
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if (active === item.name) return
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active = item.name
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removeEntities()
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removeMapLabel()
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renderOutline(item)
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if (!item.gJson && !item.splashedList?.length) return
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item.gJson ? aggregation(item) : splashed(item)
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break
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}
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}
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}
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// 转换为目录结构, 返回数组,
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function convertToHierarchy (code) {
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const codeStr = code.toString()
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const provinceCode = codeStr.slice(0, 2) + '0000'
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const cityCode = codeStr.slice(0, 4) + '00'
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if (codeStr.slice(2, 4) === '00' && codeStr.slice(4, 6) === '00') {
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return [provinceCode]
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} else if (codeStr.slice(4, 6) === '00') {
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return [provinceCode, cityCode]
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}
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return [provinceCode, cityCode, code]
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}
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// 获取设备聚合
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function getDeviceCount (areaCode) {
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return getDeviceRegionCount({ areaCode }).then(res => {
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return res?.data?.data || []
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})
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}
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// 获取设备散点
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function getDeviceList (areaCode) {
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return getDeviceRegion({ areaCode }).then(res => {
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return (res?.data?.data || []).map(i => ({ ...i, type }))
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})
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}
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// 事件散点
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let eventList = []
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function processChildren (childrens) {
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return (childrens || []).map(item => {
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const arr = processChildren(item.childrens)
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if (item.data) {
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eventList = eventList.concat(item.data)
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}
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const returnObj = {
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total_device_count: item.number,
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region_code: item.id,
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region_name: item.name,
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}
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if (arr.length !== 0) {
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returnObj.childrens = arr
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}
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return returnObj
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})
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}
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// 获取事件聚合
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function getMapEventCount (params) {
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return getMapEvents(params).then(res => {
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const resData = res?.data?.data
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if (resData?.data) {
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eventList = resData?.data
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return []
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}
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return processChildren(resData?.childrens)
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})
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}
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const findFun = (featItem, numItem) => Number(featItem.region_code.slice(0, 6)) === numItem.properties.adcode
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const { VITE_APP_BASE, VITE_APP_ENV } = import.meta.env
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const defaultDir = `${VITE_APP_BASE}${VITE_APP_ENV === 'development' ? 'public/' : ''}geoJson/100000/`
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const getFiler = async url => {
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const res = await fetch(url)
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return await res.json()
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}
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const getOutLine = async (jsonPathPre, hierarchy) => {
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const parentGJson = await getFiler(`${defaultDir}${jsonPathPre}/index.json`)
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let features = parentGJson.features.find(item => item.properties.adcode === Number(hierarchy[hierarchy.length - 1]))
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return { type: 'FeatureCollection', features: [features] }
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}
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const injectData = (gJson, dataList) => {
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return {
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...gJson,
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features: gJson.features.map(item => {
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const findData = dataList.find(item1 => findFun(item1, item))
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return { ...item, data: { ...findData, type: type + 'Aggregation' } }
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}),
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}
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}
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const initMapData = async areaCode => {
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eventList = []
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if (!areaCode) return
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saveParams.area_code = areaCode
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const list = type === 'device' ? await getDeviceCount(areaCode) : await getMapEventCount(saveParams)
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const splashedList =
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type === 'device'
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? await getDeviceList(areaCode)
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: eventList.map(i => ({
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eventId: i.id,
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latitude: Number(i.latitude),
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longitude: Number(i.longitude),
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type: 'event',
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status: i.status
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}))
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const hierarchy = convertToHierarchy(areaCode.slice(0, 6))
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const jsonPath = hierarchy.join('/')
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const jsonPathPre = hierarchy.slice(0, hierarchy.length - 1).join('/')
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scalingJudgment = scalingJudgment.map(item => ({ ...item, show: true }))
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scalingJudgment[0].gJson = null
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scalingJudgment[0].splashedList = splashedList
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active = null
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// 省
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if (hierarchy.length === 1) {
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const gJson1 = await getFiler(`${defaultDir}${jsonPath}/indexDistrict.json`)
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const gJson2 = await getFiler(`${defaultDir}${jsonPath}/index.json`)
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scalingJudgment[1].gJson = {
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...gJson1,
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features: gJson1.features.map(item => {
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const findData = list.flatMap(item => item.childrens || []).find(item1 => findFun(item1, item))
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return { ...item, data: { ...findData, type: type + 'Aggregation' } }
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}),
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}
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scalingJudgment[2].gJson = injectData(gJson2, list)
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}
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// 市
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if (hierarchy.length === 2) {
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scalingJudgment[2].gJson = null
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scalingJudgment[2].show = false
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const gJson1 = await getFiler(`${defaultDir}${jsonPath}/index.json`)
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scalingJudgment[1].gJson = injectData(gJson1, list)
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}
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// 区县
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if (hierarchy.length === 3) {
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scalingJudgment[1].gJson = null
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scalingJudgment[1].show = false
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scalingJudgment[2].gJson = null
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scalingJudgment[2].show = false
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}
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// 轮廓
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const outlineGJson = await getOutLine(jsonPathPre, hierarchy)
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scalingJudgment.forEach(item => item.show && (item.outline = outlineGJson))
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const [longitude, latitude] = outlineGJson.features[0].properties.centroid
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const height = scalingJudgment[(hierarchy.length - 3) * -1].height
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setCenterPosition({ longitude, latitude, height })
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flyTo({ longitude, latitude }, 0, height)
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}
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const userAreaPosition = computed(() => store.state.home.userAreaPosition)
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const setCenterPosition = position => {
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store.commit('setCurrentAreaPosition', position)
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if (!userAreaPosition.value.longitude) {
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store.commit('setUserAreaPosition', position)
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}
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}
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watch(
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combinedValues,
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async (newValue, oldValue) => {
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if (newValue.singleUavHome?.device_sn) {
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clearMapEntity()
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return
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}
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if (newValue.eventTimeType) {
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saveParams = { area_code: newValue.selectedAreaCode, date_enum: store.state.home.eventTimeParams }
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}
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if (newValue.eventTimeRang) {
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saveParams = {
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area_code: newValue.selectedAreaCode,
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start_date: newValue.eventTimeRang[0],
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end_date: newValue.eventTimeRang[1],
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}
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}
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needFly = true
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if (!viewer) return
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mapHandlerInit()
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viewer.scene.postRender.removeEventListener(determineScaling)
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initMapData(newValue.selectedAreaCode).then(() => {
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viewer.scene.postRender.addEventListener(determineScaling)
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})
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},
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{ deep: true }
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)
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//散点机巢
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function splashed (row) {
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row.splashedList.forEach((item, index) => {
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const image = type === 'device' ? getDroneStatusImage(item.status) : getEventImage(item.status)
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viewer.entities.add({
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id: `aggregation-splashed-${index}`,
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position: Cesium.Cartesian3.fromDegrees(item.longitude, item.latitude),
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label: {
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text: item.nickname,
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font: '12pt Source Han Sans CN',
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fillColor: Cesium.Color.WHITE,
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outlineColor: Cesium.Color.BLACK,
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outlineWidth: 2,
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style: Cesium.LabelStyle.FILL_AND_OUTLINE,
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verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
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pixelOffset: new Cesium.Cartesian2(0, -9),
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},
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billboard: {
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// singleImg
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image: new Cesium.ConstantProperty(image),
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width: 24,
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height: 24,
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},
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properties: {
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customData: {
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data: item,
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},
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},
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})
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})
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}
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// 渲染轮廓
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const renderOutline = item => {
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item.outline &&
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Cesium.GeoJsonDataSource.load(item.outline).then(dataSource => {
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const entities = dataSource.entities.values
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entities.forEach((entity, index) => {
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// 创建独立折线作为轮廓
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const positions = entity.polygon.hierarchy.getValue().positions
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const randomInt = Math.floor(Math.random() * 5) + 1
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let polygon = {}
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if (item.name === '县') {
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let material = new PolyGradientMaterial({
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color: Cesium.Color.fromCssColorString(arrColor[randomInt]),
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opacity: 0.7,
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alphaPower: 1.3,
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})
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entity.polygon.extrudedHeight = (entity.properties.childrenNum._value || 1) * 500
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entity.polygon.material = material
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polygon = entity.polygon
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entity.polygon.outline = false // 显示边框
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}
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viewer.entities.add({
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id: `aggregation-outline-${index}`,
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polyline: {
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positions: positions,
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width: 5, // 直接设置宽度
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material: new Cesium.PolylineGlowMaterialProperty({
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glowPower: 0.5,
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color: Cesium.Color.AQUA,
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}),
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},
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polygon,
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})
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})
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})
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}
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// 聚合机巢
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const aggregation = item => {
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if (!item.gJson) return
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const featuresList = item.gJson.features.map(item1 => {
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// const {lng,lat} = getCenterPoint(item1.geometry.coordinates[0][0])
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return {
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name: item1.properties.name,
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position: item1.properties.centroid,
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data: item1.data,
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id: item1.region_code,
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}
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})
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// 遍历特征并添加实体
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featuresList.forEach((feature, index) => {
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if (!feature.position) return
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const position = Cesium.Cartesian3.fromDegrees(feature.position[0], feature.position[1], 0)
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viewer.entities.add({
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position: position,
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id: `aggregation-name-${index}`,
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label: {
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text: feature.name,
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font: '14pt Source Han Sans CN',
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fillColor: Cesium.Color.WHITE,
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outlineColor: Cesium.Color.BLACK,
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outlineWidth: 2,
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style: Cesium.LabelStyle.FILL_AND_OUTLINE,
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verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
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pixelOffset: new Cesium.Cartesian2(0, -9),
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},
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})
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viewer.entities.add({
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id: `aggregation-count-${index}`,
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position: position,
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label: {
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text: (feature.data.total_device_count || 0).toString(),
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font: '12pt Source Han Sans CN',
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fillColor: Cesium.Color.BLACK,
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outlineColor: Cesium.Color.BLACK,
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style: Cesium.LabelStyle.FILL_AND_OUTLINE,
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eyeOffset: new Cesium.Cartesian3(0, 0, -10), // 让label "浮" 在广告牌前面
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},
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billboard: {
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image: new Cesium.ConstantProperty(mergeImg),
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width: 35,
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height: 35,
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},
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properties: {
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id: feature.id,
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customData: {
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data: feature.data,
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},
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},
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})
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})
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// 加载边界
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Cesium.GeoJsonDataSource.load(item.gJson).then(dataSource => {
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viewer.dataSources.add(dataSource)
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item.BJDataSource = dataSource // 保存数据源以便后续删除
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// 获取数据源中的实体
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const entities = dataSource.entities.values
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entities.forEach(entity => {
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let material = new PolyGradientMaterial({
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color: Cesium.Color.fromCssColorString(getColor()),
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opacity: 0.7,
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alphaPower: 1.3,
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})
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const randomInt = Math.floor(Math.random() * 8) + 1
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entity.polygon.extrudedHeight = (entity.properties.childrenNum._value || randomInt) * 500
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entity.polygon.material = material
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entity.polygon.outline = false // 显示边框
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})
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needFly &&
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viewer.flyTo(dataSource, {
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offset: new Cesium.HeadingPitchRange(0, Cesium.Math.toRadians(-60), 0),
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duration: 0.5,
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})
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needFly = false
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})
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}
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/**
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* 根据条件获取项
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* @param {Array} arr 数据源
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* @param {Function} condition 条件
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* @returns
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*/
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const findTypeItem = (arr, condition) => {
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return arr.find(item => condition(item))
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}
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// 移除 点 和 gjson 实体
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const removeEntities = () => {
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// dataSources移除
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scalingJudgment.forEach(item => {
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item.BJDataSource && viewer.dataSources.remove(item.BJDataSource)
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item.BJDataSource = null
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})
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// entities移除
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const entitiesIDs = viewer.entities.values.map(i => i.id)
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entitiesIDs.forEach(item => {
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item.includes('aggregation-') && viewer.entities.removeById(item)
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})
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}
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// 移除所有监听事件，变量置空
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const removeAll = () => {
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clearMapEntity()
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viewer = null
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}
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const clearMapEntity = () => {
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if (!viewer) return
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removeEntities()
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removeMapHandlerAll()
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// viewer.camera.moveEnd.removeEventListener(determineScaling);
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viewer.scene.postRender.removeEventListener(determineScaling)
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active = null
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}
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const init = () => {
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viewer = window.$viewer
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viewer.scene.postRender.removeEventListener(determineScaling)
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initMapData(selectedAreaCode.value || userAreaCode.value).then(() => {
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viewer.scene.postRender.addEventListener(determineScaling)
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})
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mapHandlerInit()
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}
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onBeforeUnmount(() => { })
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// onMounted(() => {
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// nextTick(() => {
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// viewer = window.$viewer;
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// handler = new Cesium.ScreenSpaceEventHandler(viewer.scene.canvas);
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// handler.setInputAction(singleMachineEvent, Cesium.ScreenSpaceEventType.LEFT_CLICK);
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// });
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// });
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return { init, removeAll }
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}
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