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 eventImg from '@/assets/images/home/useEventOperate/event.png';
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import DevicePopUpBox from '@/views/Home/useMapAggregation/DevicePopUpBox.vue';
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import EventPopUpBox from '@/views/Home/useMapAggregation/EventPopUpBox.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 { getDeviceRegion, getDeviceRegionCount, getEventDetails, getMapEvents } 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 useMapAggregation = type => {
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const { flyTo } = cesiumOperation();
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const singleImg = type === 'device' ? uavImg : eventImg;
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const mergeImg = type === 'device' ? aggregationImg : aggregationImg;
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const MapPopUpBox = type === 'device' ? DevicePopUpBox : EventPopUpBox;
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const styleTransform = type === 'device' ? 'translateY(-50%)' : 'translate(-50%,-110%)';
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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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let handler = null;
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let positionC3 = null;
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let currentEntity = 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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// 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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removeLabel();
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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(areaCode) {
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return getMapEvents({ areaCode }).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(
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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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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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const list = type === 'device' ? await getDeviceCount(areaCode) : await getMapEventCount(areaCode);
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const splashedList = type === 'device'
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? await getDeviceList(areaCode)
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: eventList.map(i=>({eventId:i.id,latitude:Number(i.latitude),longitude:Number(i.longitude),type:'event'}))
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console.log(list, 'list');
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console.log(splashedList, 'splashedList');
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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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flyTo({ longitude, latitude }, 0, scalingJudgment[(hierarchy.length-3) * (-1)].height);
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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 (!viewer) return
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viewer.scene.postRender.removeEventListener(determineScaling)
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initMapData(newValue).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 => {
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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(singleImg),
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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(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 => {
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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.toString(),
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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(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 = styleTransform;
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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', customData);
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switch (customData.type) {
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case 'deviceAggregation':
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viewer.scene.postRender.addEventListener(labelBoxRender);
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break;
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case 'device':
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store.commit('setSingleUavHome', { id: '123' });
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break;
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case 'eventAggregation':
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break;
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case 'event':
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viewer.scene.postRender.addEventListener(labelBoxRender);
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break;
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default:
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break;
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}
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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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viewer.scene.postRender.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.$viewer;
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viewer.scene.postRender.removeEventListener(determineScaling)
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initMapData(selectedAreaCode.value || userAreaCode.value).then(()=>{
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viewer.scene.postRender.addEventListener(determineScaling)
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})
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handler = new Cesium.ScreenSpaceEventHandler(viewer.scene.canvas);
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handler.setInputAction(singleMachineEvent, Cesium.ScreenSpaceEventType.LEFT_CLICK);
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};
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onBeforeUnmount(() => {});
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// onMounted(() => {
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// nextTick(() => {
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// viewer = window.$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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