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: 31.565291, lng: 117.294375, alt: 28796, heading: 2, pitch: -49 }
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}
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}
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export const eventTarget = new mars3d.BaseClass()
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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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// 创建矢量数据图层
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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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addDemoGraphic4(graphicLayer)
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addDemoGraphic5(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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const graphic = new mars3d.graphic.CurveEntity({
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positions: [
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[117.220337, 31.832987, 42.8],
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[117.223096, 31.818342, 29.8],
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[117.249686, 31.818964, 40.1],
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[117.286308, 31.804112, 29.2],
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[117.28621, 31.801059, 24.6]
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],
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style: {
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width: 5,
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color: "#3388ff"
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},
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attr: { remark: "示例1" }
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})
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graphicLayer.addGraphic(graphic) // 还可以另外一种写法: graphic.addTo(graphicLayer)
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// 演示个性化处理graphic
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initGraphicManager(graphic)
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}
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// 有衬色边线,附带的label演示，导出geojson，加载geojson
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function addDemoGraphic2(graphicLayer) {
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const graphic = new mars3d.graphic.CurveEntity({
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positions: [
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[117.172852, 31.862736, 33.69],
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[117.211204, 31.876064, 31.9],
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[117.251461, 31.856011, 26.44]
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],
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style: {
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width: 6,
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material: mars3d.MaterialUtil.createMaterialProperty(mars3d.MaterialType.PolylineOutline, {
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color: Cesium.Color.ORANGE,
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outlineWidth: 2,
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outlineColor: Cesium.Color.BLACK
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}),
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label: {
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text: "我是原始线",
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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2" }
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})
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graphicLayer.addGraphic(graphic) // 还可以另外一种写法: graphic.addTo(graphicLayer)
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// graphic转geojson
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const geojson = graphic.toGeoJSON()
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console.log("转换后的geojson", geojson)
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addGeoJson(geojson, graphicLayer)
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}
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// 添加单个geojson为graphic，多个直接用graphicLayer.loadGeoJSON
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function addGeoJson(geojson, graphicLayer) {
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const graphicCopy = mars3d.Util.geoJsonToGraphics(geojson)[0]
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delete graphicCopy.attr
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// 新的坐标
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graphicCopy.positions = [
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[117.172852, 31.872736, 33.69],
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[117.21087, 31.891337, 28.7],
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[117.251461, 31.866011, 26.44]
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]
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graphicCopy.style.label = graphicCopy.style.label || {}
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graphicCopy.style.label.text = "我是转换后生成的"
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graphicLayer.addGraphic(graphicCopy)
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}
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function addDemoGraphic3(graphicLayer) {
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const graphic = new mars3d.graphic.CurveEntity({
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positions: [
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[117.169646, 31.769171],
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[117.164564, 31.789748],
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[117.194579, 31.806466]
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],
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style: {
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width: 5,
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color: Cesium.Color.CYAN,
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label: { text: "鼠标移入会高亮", pixelOffsetY: -30 },
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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3" }
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})
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graphicLayer.addGraphic(graphic) // 还可以另外一种写法: graphic.addTo(graphicLayer)
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}
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// 虚线
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function addDemoGraphic4(graphicLayer) {
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const graphic = new mars3d.graphic.CurveEntity({
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positions: [
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[117.348938, 31.805369, 7.63],
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[117.391807, 31.836325, 10],
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[117.429496, 31.786715, 8.41]
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],
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style: {
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width: 5,
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clampToGround: true,
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material: mars3d.MaterialUtil.createMaterialProperty(mars3d.MaterialType.PolylineDash, {
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color: Cesium.Color.CYAN,
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dashLength: 8.0
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})
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},
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attr: { remark: "示例4" }
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})
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graphicLayer.addGraphic(graphic) // 还可以另外一种写法: graphic.addTo(graphicLayer)
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}
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// 虚线 ，双色间隔
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function addDemoGraphic5(graphicLayer) {
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const graphic = new mars3d.graphic.CurveEntity({
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positions: [
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[117.313682, 31.7416, 10.85],
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[117.287836, 31.760026, 17],
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[117.312816, 31.780792, 10.6],
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[117.305473, 31.800304, 23.86]
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],
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style: {
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width: 5,
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material: mars3d.MaterialUtil.createMaterialProperty(mars3d.MaterialType.PolylineDash, {
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color: Cesium.Color.BLUE,
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gapColor: Cesium.Color.YELLOW,
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dashPattern: parseInt("1111000000", 2)
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})
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},
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attr: { remark: "示例5" }
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})
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graphicLayer.addGraphic(graphic) // 还可以另外一种写法: graphic.addTo(graphicLayer)
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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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// 数据编辑相关事件， 用于属性弹窗的交互
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graphicLayer.on(mars3d.EventType.drawCreated, function (e) {
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eventTarget.fire("graphicEditor-start", e)
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})
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graphicLayer.on(
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[mars3d.EventType.editStart, mars3d.EventType.editMovePoint, mars3d.EventType.editStyle, mars3d.EventType.editRemovePoint],
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function (e) {
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eventTarget.fire("graphicEditor-update", e)
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}
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)
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graphicLayer.on([mars3d.EventType.editStop, mars3d.EventType.removeGraphic], function (e) {
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eventTarget.fire("graphicEditor-stop", e)
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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: "开始编辑对象",
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icon: "fa fa-edit",
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show: function (e) {
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const graphic = e.graphic
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if (!graphic || !graphic.startEditing) {
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return false
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}
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return !graphic.isEditing
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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 false
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}
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if (graphic) {
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graphicLayer.startEditing(graphic)
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}
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}
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},
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{
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text: "停止编辑对象",
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icon: "fa fa-edit",
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show: function (e) {
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const graphic = e.graphic
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if (!graphic) {
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return false
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}
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return graphic.isEditing
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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 false
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}
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if (graphic) {
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graphicLayer.stopEditing(graphic)
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}
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}
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},
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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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export function updateLayerHasEdit(val) {
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graphicLayer.hasEdit = val
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}
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// 按钮事件
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export function startDrawGraphic() {
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// 开始绘制
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graphicLayer.startDraw({
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type: "curve",
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// maxPointNum: 2, //可以限定最大点数，2个点绘制后自动结束
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style: {
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color: "#55ff33",
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width: 3,
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clampToGround: false
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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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// 测试 颜色闪烁
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if (graphic.startFlicker) {
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graphic.startFlicker({
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time: 20, // 闪烁时长（秒）
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maxAlpha: 0.5,
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color: Cesium.Color.YELLOW,
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onEnd: function () {
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// 结束后回调
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}
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})
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}
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}
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