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| import * as mars3d from "mars3d"
|
| export let map // mars3d.Map三维地图对象
|
| // 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: 29.808307, lng: 110.597446, alt: 7852846, heading: 353, pitch: -86 }
| }
| }
|
| /**
| * 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mapv图层
| createMapvLayer()
| }
|
| /**
| * 释放当前地图业务的生命周期函数
| * @returns {void} 无
| */
| export function onUnmounted() {
| map = null
| }
|
| function createMapvLayer() {
| const nodeData = {
| 0: {
| x: 108.154518,
| y: 36.643346
| },
| 1: {
| x: 121.485124,
| y: 31.235317
| }
| }
|
| const edgeData = [
| {
| source: "1",
| target: "0"
| }
| ]
|
| const citys = [
| "北京",
| "天津",
| "上海",
| "重庆",
| "石家庄",
| "太原",
| "呼和浩特",
| "哈尔滨",
| "长春",
| "沈阳",
| "济南",
| "南京",
| "合肥",
| "杭州",
| "南昌",
| "福州",
| "郑州",
| "武汉",
| "长沙",
| "广州",
| "南宁",
| "西安",
| "银川",
| "兰州",
| "西宁",
| "乌鲁木齐",
| "成都",
| "贵阳",
| "昆明",
| "拉萨",
| "海口"
| ]
|
| // 自定义数据
| for (let i = 1; i < 500; i++) {
| const cityCenter = this.mapv.utilCityCenter.getCenterByCityName(citys[parseInt(Math.random() * citys.length)])
| nodeData[i] = {
| x: cityCenter.lng - 5 + Math.random() * 10,
| y: cityCenter.lat - 5 + Math.random() * 10
| }
| edgeData.push({
| source: ~~(i * Math.random()),
| target: "0"
| })
| }
|
| const fbundling = this.mapv.utilForceEdgeBundling().nodes(nodeData).edges(edgeData)
|
| const results = fbundling()
|
| const data = []
| const timeData = []
|
| for (let i = 0; i < results.length; i++) {
| const line = results[i]
| const coordinates = []
| for (let j = 0; j < line.length; j++) {
| coordinates.push([line[j].x, line[j].y])
| timeData.push({
| geometry: {
| type: "Point",
| coordinates: [line[j].x, line[j].y]
| },
| count: 1,
| time: j
| })
| }
| data.push({
| geometry: {
| type: "LineString",
| coordinates: coordinates
| }
| })
| }
|
| const options1 = {
| strokeStyle: "rgba(55, 50, 250, 0.3)",
| globalCompositeOperation: "lighter",
| shadowColor: "rgba(55, 50, 250, 0.5)",
| shadowBlur: 10,
| lineWidth: 1.0,
| draw: "simple",
| data: data // 数据
| }
|
| // 创建MapV图层
| const mapVLayer1 = new mars3d.layer.MapVLayer(options1)
| map.addLayer(mapVLayer1)
|
|
| const options2 = {
| fillStyle: "rgba(255, 250, 250, 0.9)",
| globalCompositeOperation: "lighter",
| size: 1.5,
| animation: {
| type: "time",
| stepsRange: {
| start: 0,
| end: 100
| },
| trails: 1,
| duration: 5
| },
| draw: "simple",
| data: timeData // 数据
| }
|
| // 创建MapV图层
| const mapVLayer2 = new mars3d.layer.MapVLayer(options2)
| map.addLayer(mapVLayer2)
|
| }
|
|
