// 原理是利用dom-to-image.js将DIV转为IMG图片
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// 更多字体样式，可以前往生成：https://www.iconfont.cn
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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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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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}
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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.FontBillboardEntity({
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position: new mars3d.LngLatPoint(116.301798, 30.835848, 915),
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style: {
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iconClass: "fa fa-street-view",
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iconSize: 50,
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color: "#00ffff",
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opacity: 1,
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horizontalOrigin: Cesium.HorizontalOrigin.CENTER,
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verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
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label: {
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text: "我是原始的",
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font_size: 18,
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color: "#ffffff",
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pixelOffsetY: -50,
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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(graphic)
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// 演示个性化处理graphic
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initGraphicManager(graphic)
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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.position = [116.33493, 30.822064, 644.43]
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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 addDemoGraphic2(graphicLayer) {
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const graphic = new mars3d.graphic.FontBillboardEntity({
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name: "贴地图标",
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position: [116.39224, 30.902853],
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style: {
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iconClass: "fa fa-bus",
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iconSize: 50,
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color: "#00FF00",
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opacity: 1,
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clampToGround: true,
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scale: 1.0,
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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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scale: 1.2
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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)
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}
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function addDemoGraphic3(graphicLayer) {
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const graphic = new mars3d.graphic.FontBillboardEntity({
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position: [116.340443, 30.882935, 389.88],
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style: {
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iconClass: "fa fa-automobile",
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iconSize: 50,
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color: "#FFFF00",
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opacity: 1
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},
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attr: { remark: "示例3" }
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})
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graphicLayer.addGraphic(graphic)
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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editorUI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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}
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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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graphicLayer.startDraw({
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type: "fontBillboard",
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style: {
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iconClass: "fa fa-street-view",
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iconSize: 50,
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color: "#00FF00",
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opacity: 1,
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label: {
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// 不需要文字时，去掉label配置即可
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text: "可以同时支持文字",
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font_size: 18,
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color: "#ffffff",
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outline: true,
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outlineColor: "#000000",
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pixelOffsetY: -50
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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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// 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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