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: 31.78828, lng: 117.219198, alt: 6885, heading: 346, pitch: -62 }
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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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globalNotify("已知问题提示", `(1) 井目前主要地形开挖分析内部中使用，在本示例内未开启深度检测时会浮动在地图上。`)
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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(graphicLayer)
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addDemoGraphic2(graphicLayer)
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addDemoGraphic3(graphicLayer)
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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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graphicLayer.remove()
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graphicLayer = null
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}
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function addDemoGraphic1(graphicLayer) {
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const primitive = new mars3d.graphic.Pit({
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positions: [
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[117.216544, 31.835278, 40],
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[117.225898, 31.834257, 40],
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[117.226338, 31.828961, 40],
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[117.216592, 31.830586, 40]
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],
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style: {
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diffHeight: 300, // 井的深度
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image: "./img/textures/poly-stone.jpg",
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imageBottom: "./img/textures/poly-soil.jpg",
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label: {
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text: "我是火星科技",
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font_size: 18,
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color: "#ffffff",
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distanceDisplayCondition: true,
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distanceDisplayCondition_far: 500000,
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distanceDisplayCondition_near: 0
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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(primitive) // primitive.addTo(graphicLayer) //另外一种写法
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initGraphicManager(primitive)
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}
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// 图片材质
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function addDemoGraphic2(graphicLayer) {
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const primitive = new mars3d.graphic.Pit({
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positions: [
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[117.187572, 31.823074, 45.53],
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[117.195377, 31.82418, 43.36],
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[117.204541, 31.818933, 37.06],
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[117.19775, 31.809539, 36.59],
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[117.183832, 31.814237, 38.76]
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],
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style: {
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diffHeight: 200, // 井的深度
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image: "./img/textures/mining.jpg",
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imageBottom: "./img/textures/poly-soil.jpg",
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splitNum: 50 // 井边界插值数
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},
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attr: { remark: "示例2" }
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})
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graphicLayer.addGraphic(primitive) // primitive.addTo(graphicLayer) //另外一种写法
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}
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function addDemoGraphic3(graphicLayer) {
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const primitive = new mars3d.graphic.Pit({
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positions: [
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[117.216386, 31.815376, 35.16],
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[117.222533, 31.81729, 29.21],
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[117.22642, 31.814983, 28.43],
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[117.22681, 31.810739, 28.55],
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[117.212868, 31.811302, 34.4],
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[117.212538, 31.81424, 31.87],
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[117.214681, 31.81402, 32.97]
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],
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style: {
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diffHeight: 200, // 井的深度
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image: "./img/textures/poly-stone.jpg",
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imageBottom: "./img/textures/poly-sand.jpg",
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splitNum: 50 // 井边界插值数
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},
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attr: { remark: "示例3" }
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})
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graphicLayer.addGraphic(primitive) // primitive.addTo(graphicLayer) //另外一种写法
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}
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function addPit(graphicLayer, positions, height) {
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console.log("绘制坐标为", JSON.stringify(mars3d.PointTrans.cartesians2lonlats(positions))) // 方便测试拷贝坐标
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const primitive = new mars3d.graphic.Pit({
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positions: positions,
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style: {
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diffHeight: height, // 井的深度
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image: "./img/textures/poly-stone.jpg",
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imageBottom: "./img/textures/poly-soil.jpg",
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splitNum: 50 // 井边界插值数
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}
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})
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graphicLayer.addGraphic(primitive)
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}
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// 绘制矩形
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export function drawExtent(height) {
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map.graphicLayer.startDraw({
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type: "rectangle",
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style: {
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color: "#007be6",
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opacity: 0.8
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},
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success: function (graphic) {
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// 绘制成功后回调
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const positions = graphic.getOutlinePositions(false)
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map.graphicLayer.clear()
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// 构造井对象
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addPit(graphicLayer, positions, height)
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}
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})
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}
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// 绘制多边形
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export function drawPolygon(height) {
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map.graphicLayer.startDraw({
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type: "polygon",
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style: {
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color: "#007be6",
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opacity: 0.5
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},
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success: function (graphic) {
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// 绘制成功后回调
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const positions = graphic.positionsShow
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map.graphicLayer.clear()
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// 构造井对象
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addPit(graphicLayer, positions, height)
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}
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})
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}
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// 井的深度发生改变
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export function onHeightChange(num) {
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graphicLayer.eachGraphic((graphic) => {
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graphic.diffHeight = num
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})
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}
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// 开启深度监测
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export function onDepthTestChange(val) {
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map.scene.globe.depthTestAgainstTerrain = val
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if (val) {
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globalMsg("深度监测打开后，您将无法看到地下或被地形遮挡的对象。")
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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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// 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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// 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: "计算周长",
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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("该对象的周长为:" + strDis)
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}
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},
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{
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text: "计算面积",
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icon: "fa fa-reorder",
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callback: function (e) {
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const graphic = e.graphic
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const strArea = mars3d.MeasureUtil.formatArea(graphic.area)
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globalAlert("该对象的面积为:" + strArea)
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}
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}
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])
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}
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// 也可以在单个Graphic上做个性化管理及绑定操作
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function initGraphicManager(graphic) {
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// 3.在graphic上绑定监听事件
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/* graphic.on(mars3d.EventType.click, function (event) {
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console.log("监听graphic，单击了矢量对象", event)
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})
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graphic.on(mars3d.EventType.mouseOver, function (event) {
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console.log("监听graphic，鼠标移入了矢量对象", event)
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})
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graphic.on(mars3d.EventType.mouseOut, function (event) {
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console.log("监听graphic，鼠标移出了矢量对象", event)
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}) */
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// 绑定Tooltip
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// graphic.bindTooltip('我是graphic上绑定的Tooltip') //.openTooltip()
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// 绑定Popup
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const inthtml = `<table style="width: auto;">
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<tr>
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<th scope="col" colspan="2" style="text-align:center;font-size:15px;">我是graphic上绑定的Popup </th>
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</tr>
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<tr>
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<td>提示：</td>
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<td>这只是测试信息，可以任意html</td>
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</tr>
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</table>`
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graphic.bindPopup(inthtml).openPopup()
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// 绑定右键菜单
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graphic.bindContextMenu([
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{
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text: "删除对象[graphic绑定的]",
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icon: "fa fa-trash-o",
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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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graphic.remove()
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}
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}
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}
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])
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}
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