import * as mars3d from "mars3d"
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export let map // mars3d.Map三维地图对象
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export let graphicLayer // 矢量图层对象
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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: 31.188596, lng: 121.474422, alt: 4541, heading: 15, pitch: -40 }
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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map
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map.basemap = 2017 // 蓝色底图
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const tiles3dLayer = new mars3d.layer.TilesetLayer({
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name: "上海市建筑物",
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url: "//data.mars3d.cn/3dtiles/jzw-shanghai/tileset.json",
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maximumScreenSpaceError: 8,
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maximumMemoryUsage: 1024,
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marsJzwStyle: true,
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style: {
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color: {
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conditions: [["true", "rgb(3, 104, 255)"]]
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}
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},
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popup: "all"
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})
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map.addLayer(tiles3dLayer)
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// 创建Graphic图层
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graphicLayer = new mars3d.layer.GraphicLayer()
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map.addLayer(graphicLayer)
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bindLayerEvent() // 对图层绑定相关事件
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bindLayerPopup() // 在图层上绑定popup,对所有加到这个图层的矢量数据都生效
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bindLayerContextMenu() // 在图层绑定右键菜单,对所有加到这个图层的矢量数据都生效
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// 加一些演示数据
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addDemoGraphic1()
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addDemoGraphic2()
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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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// 立体围墙扩散效果,面状
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function addDemoGraphic1() {
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const diffuseWallGlow = new mars3d.graphic.DiffuseWall({
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positions: [
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[121.475616, 31.255374, 5.87],
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[121.482578, 31.248681, 10.85],
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[121.479447, 31.240235, 14.25],
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[121.470002, 31.240496, 12.92],
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[121.46538, 31.249206, 9.53],
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[121.475616, 31.255374, 5.87]
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],
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style: {
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color: "#ffff00",
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diffHeight: 2000, // 高度
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speed: 10, // 速度
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// 高亮时的样式（默认为鼠标移入，也可以指定type:'click'单击高亮），构造后也可以openHighlight、closeHighlight方法来手动调用
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highlight: {
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color: "#ff0000"
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}
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},
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attr: { remark: "示例1" }
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})
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graphicLayer.addGraphic(diffuseWallGlow)
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}
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// 立体围墙扩散效果,圆状
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function addDemoGraphic2() {
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const circleDiffuseWallGlow = new mars3d.graphic.DiffuseWall({
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position: Cesium.Cartesian3.fromDegrees(121.504242, 31.23805, 27.88), // 圆中心点
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style: {
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diffHeight: 2000, // 高度
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radius: 600, // 半径
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color: "#ff0000",
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speed: 10 // 速度
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},
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attr: { remark: "示例2" }
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})
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graphicLayer.addGraphic(circleDiffuseWallGlow)
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}
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// 在图层级处理一些事物
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function bindLayerEvent() {
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// 在layer上绑定监听事件
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graphicLayer.on(mars3d.EventType.click, function (event) {
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console.log("监听layer，单击了矢量对象", event)
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})
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/* graphicLayer.on(mars3d.EventType.mouseOver, function (event) {
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console.log("监听layer，鼠标移入了矢量对象", event)
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})
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graphicLayer.on(mars3d.EventType.mouseOut, function (event) {
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console.log("监听layer，鼠标移出了矢量对象", event)
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}) */
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}
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// 在图层绑定Popup弹窗
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export function bindLayerPopup() {
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graphicLayer.bindPopup(function (event) {
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const attr = event.graphic.attr || {}
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attr["类型"] = event.graphic.type
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attr["来源"] = "我是layer上绑定的Popup"
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attr["备注"] = "我支持鼠标交互"
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return mars3d.Util.getTemplateHtml({ title: "矢量图层", template: "all", attr: attr })
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})
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}
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// 绑定右键菜单
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export function bindLayerContextMenu() {
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graphicLayer.bindContextMenu([
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{
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text: "删除对象",
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icon: "fa fa-trash-o",
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show: (event) => {
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const graphic = event.graphic
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if (!graphic || graphic.isDestroy) {
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return false
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} else {
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return true
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}
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},
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callback: function (e) {
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const graphic = e.graphic
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if (!graphic) {
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return
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}
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const parent = graphic._parent // 右击是编辑点时
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graphicLayer.removeGraphic(graphic)
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if (parent) {
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graphicLayer.removeGraphic(parent)
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}
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}
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},
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{
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text: "计算长度",
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icon: "fa fa-medium",
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callback: function (e) {
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const graphic = e.graphic
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const strDis = mars3d.MeasureUtil.formatDistance(graphic.distance)
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globalAlert("该对象的长度为:" + strDis)
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}
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}
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])
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}
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