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| import * as mars3d from "mars3d"
|
| export let map // mars3d.Map三维地图对象
| let geoJsonLayerDTH
|
| // 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: 43.821193, lng: 125.143124, alt: 990, heading: 342, pitch: -50 }
| }
| }
|
| /**
| * 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map
|
| // 三维模型
| const tilesetLayer = new mars3d.layer.TilesetLayer({
| type: "3dtiles",
| name: "校园",
| url: "//data.mars3d.cn/3dtiles/qx-xuexiao/tileset.json",
| position: { alt: 15.8 },
| maximumScreenSpaceError: 1,
| maximumMemoryUsage: 1024
| })
| map.addLayer(tilesetLayer)
|
| // 单体化图层
| geoJsonLayerDTH = new mars3d.layer.GeoJsonLayer({
| name: "学校-单体化",
| url: "//data.mars3d.cn/file/geojson/dth-xuexiao-fd.json",
| symbol: {
| type: "polygonP",
| styleOptions: {
| // 单体化默认显示样式
| color: "#00ffff",
| opacity: 0.2,
| clampToGround: true,
| classification: true,
| buffer: 1,
| // 单体化鼠标移入或单击后高亮的样式
| highlight: {
| type: mars3d.EventType.click,
| color: "#ffff00",
| opacity: 0.6
| },
|
| label: {
| text: "{name}",
| height: 240, // 单体化面没有高度，所以中心点文字需要指定一个高度值。
| opacity: 1,
| font_size: 30,
| color: "#ffffff",
| font_family: "楷体",
| outline: true,
| outlineColor: "#000000",
| outlineWidth: 3,
| background: false,
| backgroundColor: "#000000",
| backgroundOpacity: 0.1,
| scaleByDistance: true,
| scaleByDistance_far: 1000,
| scaleByDistance_farValue: 0.3,
| scaleByDistance_near: 10,
| scaleByDistance_nearValue: 1
| }
| }
| },
| popup: [
| { field: "name", name: "学校场所" },
| { field: "sfkf", name: "是否开放" },
| { field: "remark", name: "备注信息" }
| ]
| })
| map.addLayer(geoJsonLayerDTH)
| }
|
| /**
| * 释放当前地图业务的生命周期函数
| * @returns {void} 无
| */
| export function onUnmounted() {
| map = null
| }
|
| // 是否显示各栋颜色
| export function chkShowColor(val) {
| geoJsonLayerDTH.closePopup()
|
| if (val) {
| geoJsonLayerDTH.eachGraphic((graphic, index) => {
| graphic.setStyle({
| opacity: 0.2
| })
| })
| } else {
| geoJsonLayerDTH.eachGraphic((graphic) => {
| graphic.setStyle({
| opacity: 0.01
| })
| })
| }
| }
|
|
