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: 31.779398, lng: 117.314306, alt: 5949, heading: 340, pitch: -39 }
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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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// 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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}
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function addDemoGraphic1(graphicLayer) {
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// 走马灯围墙效果
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const scrollWall = new mars3d.graphic.ScrollWall({
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positions: [
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[117.268479, 31.836646, 25.53],
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[117.282362, 31.827581, 34.28],
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[117.275399, 31.813784, 30.59],
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[117.256533, 31.817975, 31.95],
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[117.254811, 31.830772, 35.99]
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],
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style: {
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diffHeight: 500, // 高度
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color: "#f2fa19",
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speed: 10,
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reverse: false, // 方向：true往上、false往下
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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", xiaoguo: "鼠标移入时展示高亮效果" }
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})
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graphicLayer.addGraphic(scrollWall)
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}
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function addDemoGraphic2(graphicLayer) {
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// 走马灯围墙效果
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const scrollWall = new mars3d.graphic.ScrollWall({
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positions: [
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[117.269712, 31.883547, 22.12],
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[117.303505, 31.881174, 16.89],
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[117.297216, 31.852026, 15.2],
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[117.270889, 31.854476, 21.75]
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],
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style: {
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diffHeight: 500, // 高度
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color: "#00ff00",
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speed: 10,
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reverse: true // 方向：true往上、false往下
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},
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attr: { remark: "示例2" }
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})
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graphicLayer.addGraphic(scrollWall)
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}
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function addDemoGraphic3(graphicLayer) {
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// 走马灯围墙效果
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const scrollWall = new mars3d.graphic.ScrollWall({
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positions: [
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[117.319966, 31.842082, 12.29],
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[117.330034, 31.835286, 11.07],
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[117.330576, 31.823452, 11.01],
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[117.311457, 31.821023, 17.11],
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[117.308954, 31.828975, 16.29]
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],
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style: {
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diffHeight: 500, // 高度
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color: "#f33349",
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style: 2, // 效果2，默认是1
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speed: 10
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},
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attr: { remark: "示例3" }
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})
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graphicLayer.addGraphic(scrollWall)
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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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text: "计算围合面积",
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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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