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 roamLine
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const roamLineData = {}
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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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control: {
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clockAnimate: true, // 时钟动画控制(左下角)
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timeline: true, // 是否显示时间线控件
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compass: { top: "10px", left: "5px" }
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}
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}
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export const eventTarget = new mars3d.BaseClass() // 事件对象,用于抛出事件到面板中
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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.toolbar.style.bottom = "55px" // 修改toolbar控件的样式
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addGraphicLayer()
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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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function addGraphicLayer() {
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// 创建矢量数据图层
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const graphicLayer = new mars3d.layer.GraphicLayer()
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map.addLayer(graphicLayer)
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// 该数据可以从 基础项目 飞行漫游功能界面操作后单个路线的 保存JSON
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const flydata = {
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name: "贴地表表面漫游",
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speed: 160,
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positions: [
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[116.043233, 30.845286, 392.48],
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[116.046833, 30.846863, 411.33],
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[116.052137, 30.848801, 439.45],
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[116.060838, 30.850918, 442.91],
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[116.069013, 30.852035, 435.14],
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[116.18739, 30.854441, 244.53],
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[116.205214, 30.859332, 300.96]
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],
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// model: {
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// show: true,
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// url: '//data.mars3d.cn/gltf/mars/qiche.gltf',
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// scale: 0.2,
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// minimumPixelSize: 50,
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// },
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model: {
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url: "//data.mars3d.cn/gltf/mars/jingche/jingche.gltf",
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heading: 90,
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noPitchRoll: true,
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minimumPixelSize: 50,
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show: true
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},
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path: {
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color: "#ffff00",
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width: 3,
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show: true
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},
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camera: {
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type: "gs",
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pitch: -30,
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radius: 500
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},
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interpolation: true, // 是否setInterpolationOptions插值
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clockLoop: true // 是否循环播放
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}
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roamLine = new mars3d.graphic.RoamLine(flydata)
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graphicLayer.addGraphic(roamLine)
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roamLine.bindPopup(`<div style="width: 200px">
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<div>总 距 离:<span id="lblAllLen"> </span></div>
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<div>总 时 间:<span id="lblAllTime"> </span></div>
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<div>开始时间:<span id="lblStartTime"> </span></div>
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<div>剩余时间:<span id="lblRemainTime"> </span></div>
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<div>剩余距离:<span id="lblRemainLen"> </span></div>
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</div>`)
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// 刷新局部DOM,不影响popup面板的其他控件操作
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roamLine.on(mars3d.EventType.postRender, function (event) {
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const container = event.container // popup对应的DOM
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const params = roamLine?.info
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if (!params) {
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return
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}
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const lblAllLen = container.querySelector("#lblAllLen")
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if (lblAllLen) {
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lblAllLen.innerHTML = mars3d.MeasureUtil.formatDistance(roamLine.alllen)
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}
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const lblAllTime = container.querySelector("#lblAllTime")
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if (lblAllTime) {
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lblAllTime.innerHTML = mars3d.Util.formatTime(roamLine.alltimes / map.clock.multiplier)
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}
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const lblStartTime = container.querySelector("#lblStartTime")
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if (lblStartTime) {
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lblStartTime.innerHTML = mars3d.Util.formatDate(Cesium.JulianDate.toDate(roamLine.startTime), "yyyy-M-d HH:mm:ss")
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}
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const lblRemainTime = container.querySelector("#lblRemainTime")
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if (lblRemainTime) {
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lblRemainTime.innerHTML = mars3d.Util.formatTime((roamLine.alltimes - params.time) / map.clock.multiplier)
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}
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const lblRemainLen = container.querySelector("#lblRemainLen")
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if (lblRemainLen && !isNaN(params.len)) {
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lblRemainLen.innerHTML = mars3d.MeasureUtil.formatDistance(roamLine.alllen - params.len)
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}
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})
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roamLine.on(mars3d.EventType.change, (event) => {
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// 面板显示相关信
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showRealTimeInfo(event, roamLine.alltimes)
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// 漫游组件
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eventTarget.fire("roamLineChange", roamLineData)
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})
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// 不贴地时,直接开始
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// startFly()
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// 贴地时,异步计算完成后开始
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roamLine.clampToGround().then(function () {
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// 异步计算完成贴地后再启动
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// 贴地后的路线值为flyLine.points
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startFly()
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})
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}
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function startFly() {
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// 启动漫游
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roamLine.start()
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// 显示popup
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roamLine.openPopup()
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// 显示基本信息,名称、总长、总时间
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roamLineData.td_alltimes = mars3d.Util.formatTime(roamLine.alltimes)
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roamLineData.td_alllength = mars3d.MeasureUtil.formatDistance(roamLine.alllen)
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addParticleSystem(roamLine)
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}
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// 显示实时坐标和时间
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function showRealTimeInfo(params, _alltime) {
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if (params == null) {
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return
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}
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let val = Math.ceil((params.time * 100) / _alltime)
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if (val < 1) {
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val = 1
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}
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if (val > 100) {
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val = 100
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}
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roamLineData.percent = val
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roamLineData.td_jd = params.lng
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roamLineData.td_wd = params.lat
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roamLineData.td_gd = mars3d.MeasureUtil.formatDistance(params.alt)
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roamLineData.td_times = mars3d.Util.formatTime(params.time)
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roamLineData.td_length = mars3d.MeasureUtil.formatDistance(params.len)
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if (params.hbgd) {
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roamLineData.td_dmhb = mars3d.MeasureUtil.formatDistance(params.hbgd)
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} else {
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roamLineData.td_dmhb = "未知"
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}
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if (params.ldgd) {
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roamLineData.td_ldgd = mars3d.MeasureUtil.formatDistance(params.ldgd)
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} else {
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roamLineData.td_ldgd = "未知"
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}
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}
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/// 添加尾气粒子效果
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function addParticleSystem(target) {
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const particleSystem = new mars3d.graphic.ParticleSystem({
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modelMatrix: (time) => {
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return target.modelMatrix
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},
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style: {
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image: "./img/particle/smoke.png",
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startColor: Cesium.Color.GREY.withAlpha(0.7), // 粒子出生时的颜色
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endColor: Cesium.Color.WHITE.withAlpha(0.0), // 当粒子死亡时的颜色
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startScale: 1.0, // 粒子出生时的比例,相对于原始大小
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endScale: 5.0, // 粒子在死亡时的比例
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minimumParticleLife: 1.2, // 设置粒子寿命的可能持续时间的最小界限(以秒为单位),粒子的实际寿命将随机生成
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maximumParticleLife: 1.2, // 设置粒子寿命的可能持续时间的最大界限(以秒为单位),粒子的实际寿命将随机生成
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minimumSpeed: 1.0, // 设置以米/秒为单位的最小界限,超过该最小界限,随机选择粒子的实际速度。
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maximumSpeed: 4.0, // 设置以米/秒为单位的最大界限,超过该最大界限,随机选择粒子的实际速度。
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emissionRate: 20.0, // 每秒要发射的粒子数。
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lifetime: 16.0 // 粒子的生命周期为(以秒为单位)。
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},
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transX: -4.0,
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transZ: 1.4,
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maxHeight: 1000 // 超出该高度后不显示粒子效果
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})
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map.graphicLayer.addGraphic(particleSystem)
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}
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