import * as Cesium from 'cesium'
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import aggregationImg from '@/assets/images/home/useUavHome/aggregation.png'
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import uavImg from '@/assets/images/home/useUavHome/uavImg.png'
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import MapPopUpBox from '@/views/Home/useUavHome/MapPopUpBox.vue'
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import { render } from 'vue'
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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 { HeadingPitchRange } from 'cesium'
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import { getDeviceRegion, getDeviceRegionCount } from '@/api/home/aggregation'
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/**
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* 机巢聚合功能
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*/
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export const useUavHome = () => {
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const { flyTo } = cesiumOperation()
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let scalingJudgment = [
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{
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name: '县',
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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: [0, 48651],
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height: 31753,
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},
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{
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name: '市',
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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: [48651, 314863],
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height: 257731,
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},
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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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let handler = null
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let positionC3 = null
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let currentEntity = null
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const listenerHeight = () => {
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determineScaling()
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viewer.camera.moveEnd.addEventListener(determineScaling)
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}
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// 确定缩放比例
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const determineScaling = index => {
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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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removeLabel()
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item.gJson ? aggregation(item) : splashed(item)
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renderOutline(item)
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break
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}
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}
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}
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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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const store = useStore()
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const selectedAreaCode = computed(() => store.state.user.selectedAreaCode)
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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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function getDeviceList(areaCode) {
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return getDeviceRegion({ areaCode }).then(res => {
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return res?.data?.data || []
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})
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}
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const findFun = (featItem, numItem) =>
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Number(featItem.region_code.slice(0, 6)) === numItem.properties.adcode
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const { VITE_APP_BASE } = import.meta.env
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const defaultDir = `${VITE_APP_BASE}public/geoJson/100000/`
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const getFiler = async url => {
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const gJson = await import(/* @vite-ignore */ url)
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return JSON.parse(JSON.stringify(gJson))
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}
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const getOutLine = async (jsonPathPre, hierarchy) => {
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const parentGJson = await getFiler(`${defaultDir}${jsonPathPre}/index.json`)
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let features = parentGJson.features.find(
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item => item.properties.adcode === Number(hierarchy[hierarchy.length - 1])
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)
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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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...item,
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data: dataList.find(item1 => findFun(item1, item)),
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})),
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}
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}
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watch(
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selectedAreaCode,
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async (newValue, oldValue) => {
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if (newValue) {
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const list = await getDeviceCount(newValue)
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const splashedList = await getDeviceList(newValue)
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console.log(list)
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console.log(splashedList)
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const hierarchy = convertToHierarchy(newValue.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}${jsonPath}/index.json`)
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scalingJudgment[1].gJson = {
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...gJson1,
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features: gJson1.features.map(item => ({
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...item,
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data: list.flatMap(item => item.childrens || []).find(item1 => findFun(item1, item)),
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})),
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}
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scalingJudgment[2].gJson = injectData(gJson2, list)
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const { lng, lat } = getCenterPoint(gJson2.features.map(item => item.properties.center))
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flyTo({ longitude: lng, latitude: lat }, 0, scalingJudgment[2].height)
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}
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// 市
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if (hierarchy.length === 2) {
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scalingJudgment[2].gJson = null
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scalingJudgment[2].show = false
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const gJson1 = await getFiler(`${defaultDir}${jsonPath}/index.json`)
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scalingJudgment[1].gJson = injectData(gJson1, list)
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const center = getCenterPoint(gJson1.features.map(item => item.properties.center))
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flyTo({ longitude: center.lng, latitude: center.lat }, 0, scalingJudgment[1].height)
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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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const outlineGJson = await getOutLine(jsonPathPre, hierarchy)
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const center = outlineGJson.features[0].properties.center
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flyTo({ longitude: center[0], latitude: center[1] }, 0, scalingJudgment[0].height)
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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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}
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},
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{ immediate: true, 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 => {
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viewer.entities.add({
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position: Cesium.Cartesian3.fromDegrees(item.longitude, item.latitude),
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label: {
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// 随机整数
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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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image: new Cesium.ConstantProperty(uavImg),
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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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viewer.dataSources.add(dataSource)
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const entities = dataSource.entities.values
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entities.forEach(entity => {
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// 隐藏多边形填充
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entity.polygon.material = Cesium.Color.TRANSPARENT
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entity.polygon.outline = false // 关闭原生轮廓
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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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viewer.entities.add({
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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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clampToGround: true, // 贴地显示
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},
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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, flyTo) => {
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if (!item.gJson) return
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const featuresList = item.gJson.features.map(item => ({
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name: item.properties.name,
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position: item.properties.center,
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data: item.data,
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id: item.region_code,
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}))
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// 遍历特征并添加实体
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featuresList.forEach(feature => {
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if (!feature.position) return
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const position = Cesium.Cartesian3.fromDegrees(feature.position[0], feature.position[1])
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viewer.entities.add({
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position: position,
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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: feature.id,
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position: position,
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label: {
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text: feature.data.total_device_count,
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font: '12pt Source Han Sans CN',
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fillColor: 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(aggregationImg),
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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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// 加载新的 GeoJSON 数据
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Cesium.GeoJsonDataSource.load(item.gJson).then(dataSource => {
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viewer.dataSources.add(dataSource)
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item.dataSource = 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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entity.polygon.material = new Cesium.ColorMaterialProperty(
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Cesium.Color.YELLOW.withAlpha(0) // 透明填充
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)
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entity.polygon.outline = new Cesium.ConstantProperty(true) // 显示边框
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entity.polygon.outlineColor = new Cesium.ConstantProperty(Cesium.Color.AQUAMARINE)
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})
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flyTo &&
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viewer.flyTo(dataSource, {
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offset: new Cesium.HeadingPitchRange(
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0, // heading: 0 (朝向不变)
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Cesium.Math.toRadians(-90), // pitch: -90° (垂直向下)
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0 // range: 0 (默认距离)
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),
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duration: 0.5,
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})
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})
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}
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// 获取弹框box
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const getLabelDom = data => {
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const vNode = h(MapPopUpBox, { data, removeLabel })
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const tooltipContainer = document.createElement('div')
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tooltipContainer.id = 'mapPopUpBox'
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tooltipContainer.style.position = 'absolute'
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tooltipContainer.style.transform = 'translateY(-50%)'
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tooltipContainer.style.pointerEvents = 'none'
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document.querySelector('.page-index').append(tooltipContainer)
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render(vNode, tooltipContainer)
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return tooltipContainer
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}
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// 弹框位置刷新
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const labelBoxRender = () => {
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let dom = document.querySelector('#mapPopUpBox')
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if (!dom) {
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dom = getLabelDom(currentEntity.properties.customData._value.data)
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}
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const screenPosition = viewer.scene.cartesianToCanvasCoordinates(positionC3)
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if (screenPosition) {
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dom.style.left = `${screenPosition.x}px`
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dom.style.top = `${screenPosition.y}px`
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dom.style.display = 'block'
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}
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}
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// 左键单机事件
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const singleMachineEvent = async click => {
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const pickedObject = viewer.scene.pick(click.position)
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if (Cesium.defined(pickedObject) && pickedObject.id) {
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const entity = pickedObject.id
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currentEntity = entity
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positionC3 = entity?.position?._value
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if (!positionC3) return
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removeLabel()
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const customData = entity.properties.customData._value.data
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console.log(customData)
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if (customData.device_sn) {
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store.commit('setSingleUavHome', { id: '123' })
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return
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}
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viewer.scene.postRender.addEventListener(labelBoxRender)
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}
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}
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const removeDom = () => {
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const dom = document.querySelector('#mapPopUpBox')
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if (dom && dom.parentNode) {
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dom.parentNode.removeChild(dom)
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}
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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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viewer.dataSources?.removeAll(true)
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viewer.entities?.removeAll()
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}
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// 移除弹框标签
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const removeLabel = () => {
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viewer.scene.postRender.removeEventListener(labelBoxRender)
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removeDom()
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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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removeEntities()
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removeLabel()
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viewer.camera.moveEnd.removeEventListener(determineScaling)
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handler?.removeInputAction(Cesium.ScreenSpaceEventType.LEFT_CLICK)
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handler?.destroy()
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viewer = null
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active = null
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handler = null
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positionC3 = null
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currentEntity = null
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}
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const init = () => {
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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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listenerHeight()
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}
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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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// listenerHeight();
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// });
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// });
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return { init, removeAll }
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}
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