import * as mars3d from "mars3d"
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export let map // mars3d.Map三维地图对象
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// 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）
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export const mapOptions = {
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scene: {
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center: { lat: 30.931953, lng: 117.352307, alt: 207201, heading: 0, pitch: -64 }
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},
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// 方式1：在创建地球前的参数中配置
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basemaps: [
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{
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name: "ArcGIS影像",
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icon: "img/basemaps/esriWorldImagery.png",
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type: "arcgis",
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url: "https://services.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer",
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enablePickFeatures: false,
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show: true
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},
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{
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name: "ArcGIS电子街道",
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icon: "img/basemaps/google_vec.png",
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type: "arcgis",
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url: "https://services.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer",
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enablePickFeatures: false
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},
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{
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name: "ArcGIS NatGeo",
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icon: "img/basemaps/esriWorldStreetMap.png",
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type: "arcgis",
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url: "https://services.arcgisonline.com/ArcGIS/rest/services/NatGeo_World_Map/MapServer",
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enablePickFeatures: false
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},
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{
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name: "蓝色底图",
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icon: "img/basemaps/bd-c-midnight.png",
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type: "arcgis",
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url: "http://map.geoq.cn/arcgis/rest/services/ChinaOnlineStreetPurplishBlue/MapServer",
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enablePickFeatures: false,
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chinaCRS: mars3d.ChinaCRS.GCJ02
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},
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{
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name: "灰色底图",
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icon: "img/basemaps/bd-c-grayscale.png",
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type: "arcgis",
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url: "http://map.geoq.cn/arcgis/rest/services/ChinaOnlineStreetGray/MapServer",
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enablePickFeatures: false,
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chinaCRS: mars3d.ChinaCRS.GCJ02
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}
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]
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}
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/**
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* 初始化地图业务，生命周期钩子函数（必须）
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* 框架在地图初始化完成后自动调用该函数
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* @param {mars3d.Map} mapInstance 地图对象
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* @returns {void} 无
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*/
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export function onMounted(mapInstance) {
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map = mapInstance // 记录首次创建的map
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}
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/**
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* 释放当前地图业务的生命周期函数
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* @returns {void} 无
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*/
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export function onUnmounted() {
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map = null
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}
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/**
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* 叠加的图层
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*
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* @export
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* @returns {void}
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*/
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let arcGisLayer
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export function addLayer() {
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removeLayer()
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// 方式2：在创建地球后调用addLayer添加图层(直接new对应type类型的图层类)
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arcGisLayer = new mars3d.layer.ArcGisLayer({
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name: "合肥建筑物",
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url: "//server.mars3d.cn/arcgis/rest/services/mars/guihua/MapServer",
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// layerDefs: `{ 0: "用地编号 = 'R2'" }`,
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// url: '//server.mars3d.cn/arcgis/rest/services/crs/ssjzw4326/MapServer',
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// url: '//server.mars3d.cn/arcgis/rest/services/crs/ssjzw4490/MapServer', //大地2000地理坐标系
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// url: '//server.mars3d.cn/arcgis/rest/services/crs/ssjzw4548/MapServer', //大地2000高斯投影坐标系
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// url: '//server.mars3d.cn/arcgis/rest/services/crs/ssjzw2000/MapServer', //大地2000高斯投影坐标系
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// usePreCachedTilesIfAvailable: false, //大地2000高斯投影坐标系时，如果是瓦片，请打开此参数
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highlight: {
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clampToGround: true,
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fill: true,
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color: "#2deaf7",
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opacity: 0.6,
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outline: true,
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outlineWidth: 3,
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outlineColor: "#e000d9",
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outlineOpacity: 1.0
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},
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popup: "all",
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flyTo: true
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})
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map.addLayer(arcGisLayer)
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// 绑定事件
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arcGisLayer.on(mars3d.EventType.loadConfig, function (event) {
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console.log("加载完成服务信息", event)
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})
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arcGisLayer.on(mars3d.EventType.click, function (event) {
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console.log("单击了矢量数据，共" + event.features.length + "条", event)
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})
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}
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// 移除图层
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export function removeLayer() {
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if (arcGisLayer) {
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map.removeLayer(arcGisLayer, true)
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arcGisLayer = null
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}
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}
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