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| import * as mars3d from "mars3d"
|
| export let map // mars3d.Map三维地图对象
| export let graphicLayer // 矢量图层对象
|
| // 需要覆盖config.json中地图属性参数（当前示例框架中自动处理合并）
| export const mapOptions = {
| scene: {
| center: { lat: 32.246011, lng: 119.666969, alt: 317736, heading: 0, pitch: -90 }
| }
| }
|
| /**
| * 初始化地图业务，生命周期钩子函数（必须）
| * 框架在地图初始化完成后自动调用该函数
| * @param {mars3d.Map} mapInstance 地图对象
| * @returns {void} 无
| */
| export function onMounted(mapInstance) {
| map = mapInstance // 记录首次创建的map
|
| // 创建div图层
| graphicLayer = new mars3d.layer.GraphicLayer()
| map.addLayer(graphicLayer)
|
| const arrData = [
| {
| name: "南通市",
| totalLength: 233991,
| deepUsedLength: 51077,
| deepUnUsedLength: 131008,
| unDeepUsedLength: 28579,
| unDeepUnUsedLength: 23327,
| lng: 120.8372039,
| lat: 32.000300065
| },
| {
| name: "南京市",
| totalLength: 91025,
| deepUsedLength: 36909,
| deepUnUsedLength: 12551,
| unDeepUsedLength: 28251,
| unDeepUnUsedLength: 13313,
| lng: 118.735996333,
| lat: 32.089238239
| },
| {
| name: "镇江市",
| totalLength: 147431,
| deepUsedLength: 35499,
| deepUnUsedLength: 52026,
| unDeepUsedLength: 18359,
| unDeepUnUsedLength: 41547,
| lng: 119.615400712,
| lat: 32.182042328
| },
| {
| name: "扬州市",
| totalLength: 49649,
| deepUsedLength: 30245,
| deepUnUsedLength: 9140,
| unDeepUsedLength: 8164,
| unDeepUnUsedLength: 2101,
| lng: 119.399151815,
| lat: 32.271322643
| },
| {
| name: "常州市",
| totalLength: 9849,
| deepUsedLength: 3484,
| deepUnUsedLength: 836,
| unDeepUsedLength: 4115,
| unDeepUnUsedLength: 1415,
| lng: 119.984267562,
| lat: 31.971521771
| },
| {
| name: "江阴市",
| totalLength: 23570,
| deepUsedLength: 22365,
| deepUnUsedLength: 1205,
| unDeepUsedLength: 0,
| unDeepUnUsedLength: 0,
| lng: 120.329215931,
| lat: 31.927882063
| }
| ]
| showDivGraphic(arrData)
| }
|
| /**
| * 释放当前地图业务的生命周期函数
| * @returns {void} 无
| */
| export function onUnmounted() {
| map = null
| }
|
| function showDivGraphic(arr) {
| for (let i = 0; i < arr.length; i++) {
| const deepUnUsed = arr[i].deepUnUsedLength // 国道
| const deepUsed = arr[i].deepUsedLength // 县道
| const total = arr[i].totalLength // 中间显示
| const unDeepUnUsed = arr[i].unDeepUnUsedLength // 铁路
| const unDeepUsed = arr[i].unDeepUsedLength // 高速
| const cityName = arr[i].name // 城市名字
| const point = [arr[i].lng, arr[i].lat] // 位置
|
| // 白色背景
| const backGroundGraphic = new mars3d.graphic.DivGraphic({
| position: point,
| style: {
| html: '<div style="width:60px;height:60px;border-radius: 50%;background-color: #ffffff; position: relative;"></div>',
| horizontalOrigin: Cesium.HorizontalOrigin.CENTER,
| verticalOrigin: Cesium.VerticalOrigin.CENTER
| }
| })
| graphicLayer.addGraphic(backGroundGraphic)
|
| // div
| const graphic = new mars3d.graphic.DivGraphic({
| position: point,
| style: {
| html: '<div style="width: 100px;height:100px;"></div>',
| horizontalOrigin: Cesium.HorizontalOrigin.CENTER,
| verticalOrigin: Cesium.VerticalOrigin.CENTER
| },
| pointerEvents: true
| })
| graphic.on(mars3d.EventType.add, function (e) {
| const dom = e.target.container.firstChild
| const attr = e.target.attr
|
| const chartChart = echarts.init(dom)
|
| const option = {
| tooltip: {
| trigger: "item",
| formatter: "{a} <br/>{b} : {c}km </br>占比 : {d}%",
| backgroundColor: "rgba(63, 72, 84, 0.7)",
| textStyle: {
| color: "#ffffff"
| }
| },
| title: {
| text: total + "\n Km",
| x: "center",
| y: "center",
| textStyle: {
| fontSize: 14
| }
| },
| color: ["#334b5c", "#6ab0b8", "#d48265", "#c23531"],
| series: [
| {
| name: cityName,
| type: "pie",
| radius: ["60%", "80%"],
| avoidLabelOverlap: false,
| label: {
| show: false,
| position: "center"
| },
| emphasis: {
| label: {
| show: false,
| fontSize: "40",
| fontWeight: "bold"
| }
| },
| labelLine: {
| show: false
| },
| data: [
| { value: deepUnUsed, name: "国道" },
| { value: deepUsed, name: "县道" },
| { value: unDeepUnUsed, name: "铁路" },
| { value: unDeepUsed, name: "高速" }
| ]
| }
| ]
| }
|
| chartChart.setOption(option)
| })
| graphicLayer.addGraphic(graphic)
| }
| }
|
|
