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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
|
| mars3d.Util.fetchJson({ url: "//data.mars3d.cn/file/apidemo/weibo.json" })
| .then(function (json) {
| // 创建Mapv
| createMapvLayer(json)
| })
| .catch(function (error) {
| console.log("加载JSON出错", error)
| })
| }
|
| /**
| * 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(rs) {
| const data1 = []
| const data2 = []
| const data3 = []
| for (let i = 0; i < rs[0].length; i++) {
| const geoCoord = rs[0][i].geoCoord
| data1.push({
| geometry: {
| type: "Point",
| coordinates: geoCoord
| }
| })
| }
|
| for (let i = 0; i < rs[1].length; i++) {
| const geoCoord = rs[1][i].geoCoord
| data2.push({
| geometry: {
| type: "Point",
| coordinates: geoCoord
| },
| time: Math.random() * 10
| })
| }
|
| for (let i = 0; i < rs[2].length; i++) {
| const geoCoord = rs[2][i].geoCoord
| data3.push({
| geometry: {
| type: "Point",
| coordinates: geoCoord
| }
| })
| }
|
| const animation = {
| animation: {
| stepsRange: {
| start: 0,
| end: 10
| },
| trails: 1,
| duration: 6
| }
| }
| addMapvLayer(data1, "rgba(200, 200, 0, 0.8)", 0.7)
| addMapvLayer(data2, "rgba(255, 250, 0, 0.8)", 0.7)
| addMapvLayer(data3, "rgba(255, 250, 250, 0.6)", 0.7)
| addMapvLayer(data2, "rgba(255, 250, 250, 0.9)", 1.1, animation)
| }
|
| function addMapvLayer(data, color, size, animation) {
| const options1 = {
| fillStyle: color,
| bigData: "Point",
| size: size,
| draw: "simple",
| depthTest: false,
| ...animation,
| data: data // 数据
| }
| // 创建MapV图层
| const mapVLayer = new mars3d.layer.MapVLayer(options1)
| map.addLayer(mapVLayer)
| }
|
|
