本文主要是介绍时态图根据时间轴动态播放热力图,希望对大家解决编程问题提供一定的参考价值,需要的开发者们随着小编来一起学习吧!
效果图如下:
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<html><head><title>时态图</title><meta charset="utf-8" /><meta name="viewport" content="width=device-width, initial-scale=1.0" /><!-- 引入样式 --><!-- <link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css"> --><link rel="stylesheet" href="../../lib/element-ui@2.13.0/index.css" /><style>html,body,#map {height: 100%;padding: 0;margin: 0;}.timeslider {position: absolute;z-index: 999;width: 100%;height: 100px;background: lightseagreen;bottom: 0px;display: flex;align-items: center;justify-content: center;}.block {width: 80%;display: flex;}.block .icon {display: flex;align-items: center;color: rgb(64, 158, 255);justify-content: center;width: 100px;cursor: pointer;}.block .timestool {flex: 1;}.timeslider .slider-demo-block {display: flex;align-items: center;}.slider-demo-block .el-slider {margin-top: 0;margin-left: 12px;}.el-slider__marks-text {position: absolute;-webkit-transform: translateX(-50%);transform: translateX(-50%);font-size: 14px;color: #fff;margin-top: 15px;}.icon:hover {color: #66b1ff;}.el-slider__marks :last-child {right: -60px;}</style><script src="../../lib/vue@2.6.11/vue.js"></script><!-- <script src="https://unpkg.com/vue@2.6.11/dist/vue.js"></script> --><!-- 引入组件库 --><!-- <script src="https://unpkg.com/element-ui@2.13.0/lib/index.js"></script> --><script src="../../lib/element-ui@2.13.0/index.js"></script><script src="../../js/prjconfig.js" maptype="leaflet"></script><!-- 引入插件 --><script src="../../lib/leaflet/plugins/leaflet.polylineDecorator.js"></script><script src="../../lib/leaflet/plugins/Leaflet.AnimatedMarker.js"></script></head><body><div id="map"></div><div id="app" class="timeslider"><div class="block"><div v-if="show" class="icon"><iclass="icon el-icon-video-play"style="font-size: 32px"@click="playChange('stop')"></i></div><div v-if="!show" class="icon"><iclass="icon el-icon-video-pause"style="font-size: 32px"@click="playChange('play')"></i></div><div class="icon"><iclass="icon el-icon-arrow-left"style="font-size: 32px"@click="prevStep()"></i></div><div class="timestool"><el-sliderv-model="currIndex":max="maxIndex":step="10":marks="marks":show-tooltip="false"@change="change"></el-slider></div><div class="icon"><iclass="icon el-icon-arrow-right"style="font-size: 32px"@click="nextStep()"></i></div></div></div><script>//'http://map.geoq.cn/ArcGIS/rest/services/ChinaOnlineStreetPurplishBlue/MapServer/tile/{z}/{y}/{x}'var map = L.map("map", {crs: L.CRS.EPSG4326, //L.CRS.EPSG3857center: [MAPINIT.Location.lat, MAPINIT.Location.lon], //[40.76339, 106.9477844],zoom: MAPINIT.Location.zoom,minZoom: MAPINIT.zoomsExtent[0],maxZoom: MAPINIT.zoomsExtent[1],zoomControl: true,});// 使用WMTS Key-Value加载地图服务let _getc ="http://192.168.1.212:8095/server/default/getTile/wmts?request=GetCapabilities&service=wmts&layer=yx";MAPCONFIG.MAPWMTS_IMG ="http://192.168.1.212:8095/server/vtile/getTile/wmts";let ls ="http://192.168.1.212:8095/server/vtile/getTile/wmts?SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=yx&STYLE=default&TILEMATRIXSET=w&FORMAT=image/png&TILEMATRIX={z}&TILECOL={x}&TILEROW={y}&tk=''";L.tileLayer(ls, {zoomOffset: 1,}).addTo(map);map.setView(L.latLng(37.550339, 104.114129), 4); //设置缩放级别及中心点var heatmapLayer;// 初始化热力图function initHeatMap(data, cfg) {heatmapLayer = new HeatmapOverlay(cfg);heatmapLayer.addTo(map);heatmapLayer.setData(data);}function clear() {map.removeLayer(heatmapLayer);}let app = new Vue({el: "#app",data: {message: "Hello Vue!",// 数据testData: {max: 8,data: [{lat: 36.793094 + Math.random(),lng: 118.054241 + Math.random(),count: 8,},{lat: 36.405841 + Math.random(),lng: 118.159911 + Math.random(),count: 5,},{lat: 36.215321 + Math.random(),lng: 118.17456 + Math.random(),count: 9,},{lat: 36.527985 + Math.random(),lng: 118.400512 + Math.random(),count: 8,},{lat: 36.512117 + Math.random(),lng: 118.401366 + Math.random(),count: 7,},{lat: 36.332074 + Math.random(),lng: 118.360107 + Math.random(),count: 6,},{lat: 36.244085 + Math.random(),lng: 118.595214 + Math.random(),count: 7,},],},// 配置cfg: {radius: 0.5, //设置每一个热力点的半径maxOpacity: 0.9, //设置最大的不透明度// minOpacity: 0.3, //设置最小的不透明度scaleRadius: true, //设置热力点是否平滑过渡blur: 0.95, //系数越高,渐变越平滑,默认是0.85,//滤镜系数将应用于所有热点数据useLocalExtrema: true, //使用局部极值latField: "lat", //纬度lngField: "lng", //经度valueField: "count", //热力点的值gradient: {0.99: "rgba(255,0,0,1)",0.9: "rgba(255,255,0,1)",0.8: "rgba(0,255,0,1)",0.5: "rgba(0,255,255,1)",0: "rgba(0,0,255,1)",},},currIndex: 0,maxIndex: 50,show: true,curPage: 3,curMonth: "",marks: {0: "2023-01",10: "2023-02",20: "2023-03",30: "2023-04",40: "2023-05",50: "2023-06",},},mounted() {// console.log([119.23 + Math.random(), 30.14 + Math.random()]);this.getCurrentMonth();this.getBeforeMonth();initHeatMap(this.testData, this.cfg);},watch: {// watch第一次绑定值的时候不会执行监听,修改数据才会触发函数currIndex(newVal, oldVal) {console.log(newVal);let step = newVal.toString();if (Object.keys(this.marks).indexOf(step) > -1) {// console.log(this.marks[step], 222);// 先清除原来的clear();let data = {max: 8,data: [{lat: 36.60976 + Math.random(),lng: 117.067686 + Math.random(),count: 8,},{lat: 36.60976 + Math.random(),lng: 117.067686 + Math.random(),count: 5,},{lat: 36.60976 + Math.random(),lng: 117.067686 + Math.random(),count: 9,},{lat: 36.60976 + Math.random(),lng: 117.067686 + Math.random(),count: 8,},],};initHeatMap(data, this.cfg);}},},methods: {change(e) {let step = e.toString();// console.log(Object.keys(this.marks));if (Object.keys(this.marks).indexOf(step) > -1) {console.log(this.marks[step]);}// console.log(this.currIndex);},// 获取当前月份getCurrentMonth() {let data = new Date();let year = data.getFullYear();// getMonth()返回的数字范围从0到11,因此需要加1来得到正确的月份let mth = data.getMonth() + 1;let month =mth < 10 ? "0" + mth : mth;this.curMonth = data.getFullYear() + "-" + month;},// 获取当月之前半年的月份getBeforeMonth() {let dataArr = [];let data = new Date();let year = data.getFullYear();data.setMonth(data.getMonth() + 1, 1); //获取到当前月份,设置月份for (let i = 0; i < 6; i++) {data.setMonth(data.getMonth() - 1); //每次循环一次,月份值减1let m = data.getMonth() + 1;m = m < 10 ? "0" + m : m;dataArr.push(data.getFullYear() + "-" + m);}let list = dataArr.reverse();let obj = {};let labelArr = Object.keys(this.marks);labelArr.forEach((item, index) => {obj[item] = list[index];});this.marks = obj;},// 获取指定月之前半年的月份数组getBeforeCurMonth(mon) {let dataArr = [];let data = new Date(mon);let year = data.getFullYear();data.setMonth(data.getMonth(), 1); //获取到当前月份,设置月份for (let i = 0; i < 6; i++) {data.setMonth(data.getMonth() - 1); //每次循环一次,月份值减1let m = data.getMonth() + 1;m = m < 10 ? "0" + m : m;dataArr.push(data.getFullYear() + "-" + m);}let list = dataArr.reverse();let obj = {};let labelArr = Object.keys(this.marks);labelArr.forEach((item, index) => {obj[item] = list[index];});this.marks = obj;},// 获取指定月份之后半年的月份数组getAfterMonth(mon) {let dataArr = [];let data = new Date(mon);let year = data.getFullYear();data.setMonth(data.getMonth(), 1); //获取到当前月份,设置月份for (let i = 0; i < 6; i++) {data.setMonth(data.getMonth() + 1); //每次循环一次,月份值加1let m = data.getMonth() + 1;m = m < 10 ? "0" + m : m;dataArr.push(data.getFullYear() + "-" + m);}let list = dataArr;let obj = {};let labelArr = Object.keys(this.marks);labelArr.forEach((item, index) => {obj[item] = list[index];});this.marks = obj;},playChange(val) {let that = this;let data = new Date();let year = data.getFullYear();let mth = data.getMonth()+1;let month =mth < 10 ? "0" + mth : mth;var curMonth = data.getFullYear() + "-" + month;if (val == "stop") {if (that.timer) {clearInterval(that.timer);}that.show = false;that.timer = setInterval(() => {that.currIndex += 10;const lastValue = that.marks[that.maxIndex];let customM = curMonth.replace("-", "");let curMaxIndexM = lastValue.replace("-", "");if (that.currIndex > that.maxIndex) {that.currIndex = 0;// that.show = true;// clearInterval(that.timer);// 自动循环播放if (parseInt(curMaxIndexM) < parseInt(customM)) {that.getAfterMonth(lastValue.replace("-", "/"))}if (lastValue == curMonth) {that.show = true;clearInterval(that.timer);}}}, 3000);} else {clearInterval(that.timer);that.show = true;}},// 往前播放prevStep() {clearInterval(this.timer);this.show = true;if (this.currIndex === 0) {let curMonth = this.marks[this.currIndex];let customM = this.curMonth.replace("-", "/");var d = new Date(customM);d.setMonth(d.getMonth() - 12);let year = d.getFullYear();let month =d.getMonth() < 10 ? "0" + d.getMonth() : d.getMonth();let beforeM = year + "-" + month;// console.log(year + "-" + month)let curMaxIndexM = curMonth.replace("-", "");let customMs = beforeM.replace("-", "");if (parseInt(curMaxIndexM) < parseInt(customMs)) {return} else {this.getBeforeCurMonth(curMonth.replace("-", "/"))}} else {this.currIndex -= 10;}},// 往后播放nextStep() {clearInterval(this.timer);this.show = true;if (this.currIndex === this.maxIndex) {const lastValue = this.marks[this.maxIndex];const curMonth = this.marks[this.currIndex];// console.log(this.curMonth);// console.log(lastValue);// console.log(curMonth);let customM = this.curMonth.replace("-", "");let curMaxIndexM = lastValue.replace("-", "");let curM = curMonth.replace("-", "");if (parseInt(curMaxIndexM) < parseInt(customM)) {this.getAfterMonth(lastValue.replace("-", "/"))this.currIndex = 0;} else {this.currIndex = this.maxIndex;}} else {this.currIndex += 10;}},},});</script></body>
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