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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() {
| let randomCount = 1000
| const data = []
| 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
| while (randomCount--) {
| const cityCenter1 = this.mapv.utilCityCenter.getCenterByCityName(citys[parseInt(Math.random() * citys.length)])
| const cityCenter2 = this.mapv.utilCityCenter.getCenterByCityName(citys[parseInt(Math.random() * citys.length)])
| data.push({
| geometry: {
| type: "LineString",
| coordinates: [
| [cityCenter1.lng - 1 + Math.random() * 1, cityCenter1.lat - 1 + Math.random() * 1],
| [cityCenter2.lng - 1 + Math.random() * 1, cityCenter2.lat - 1 + Math.random() * 1]
| ]
| },
| count: 30 * Math.random()
| })
| }
|
| const options = {
| gradient: {
| 0: "blue",
| 0.5: "yellow",
| 1: "red"
| },
| lineWidth: 0.5,
| max: 30,
| draw: "intensity",
| data: data // 数据
| }
|
| // 创建MapV图层
| const mapVLayer = new mars3d.layer.MapVLayer(options)
| map.addLayer(mapVLayer)
| }
|
|
