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: 30.808137, lng: 116.411699, alt: 23221, heading: 347, pitch: -40 },
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clock: {
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currentTime: "2021-07-01 10:45:00"
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}
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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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// 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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// 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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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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// 静态的位置
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function addDemoGraphic1(graphicLayer) {
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const coneTrack = new mars3d.graphic.ConeTrackPrimitive({
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position: [116.327881, 31.018378, 5000],
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targetPosition: [116.365017, 30.996012, 898.6], // 可选
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style: {
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slices: 4, // 四凌锥
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// length: 4000,//targetPosition存在时无需传
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angle: 5, // 半场角度
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color: "#ff0000",
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opacity: 0.3,
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label: { text: "鼠标移入会高亮" },
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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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opacity: 0.8
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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(coneTrack)
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}
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// 静态的位置
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let coneTrack
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function addDemoGraphic2(graphicLayer) {
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const position = [116.28782, 30.971557, 5000]
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// 加个飞机
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const primitive = new mars3d.graphic.ModelPrimitive({
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position: position,
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style: {
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url: "//data.mars3d.cn/gltf/mars/feiji.glb",
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scale: 1,
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minimumPixelSize: 50
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},
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attr: { remark: "示例2" }
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})
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graphicLayer.addGraphic(primitive)
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// 圆锥追踪体
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coneTrack = new mars3d.graphic.ConeTrackPrimitive({
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position: position,
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// targetPosition: [116.317411, 30.972581, 1439.7], //可选
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style: {
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length: 4000,
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angle: 5, // 半场角度
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material: mars3d.MaterialUtil.createMaterial(mars3d.MaterialType.CircleWave, {
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color: "#02ff00"
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})
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}
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})
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graphicLayer.addGraphic(coneTrack)
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}
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// 修改飞机追踪的目标点
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export function onClickSelPoint() {
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map.graphicLayer.startDraw({
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type: "point",
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style: {
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pixelSize: 8,
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color: "#ffff00"
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},
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success: function (graphic) {
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const position = graphic.positionShow
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map.graphicLayer.clear()
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coneTrack.targetPosition = position
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}
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})
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}
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// 动态的位置
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function addDemoGraphic3(graphicLayer) {
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const propertyFJ = getSampledPositionProperty([
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[116.364307, 31.03778, 5000],
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[116.42794, 31.064786, 5000],
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[116.474002, 31.003825, 5000],
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[116.432393, 30.951142, 5000],
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[116.368497, 30.969006, 5000],
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[116.364307, 31.03778, 5000]
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])
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// 飞机
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const graphicModel = new mars3d.graphic.ModelEntity({
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position: propertyFJ,
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orientation: new Cesium.VelocityOrientationProperty(propertyFJ),
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style: {
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url: "//data.mars3d.cn/gltf/mars/zhanji.glb",
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scale: 0.3,
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minimumPixelSize: 30
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},
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attr: { remark: "示例3" }
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})
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graphicLayer.addGraphic(graphicModel)
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// 汽车
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const propertyQC = getSampledPositionProperty([
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[116.391268, 30.956038, 827.2],
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[116.37934, 30.980835, 898.1],
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[116.382514, 30.999031, 921.5],
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[116.40338, 31.009258, 1214],
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[116.412254, 31.021635, 1224.1],
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[116.432328, 31.045508, 804.3]
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])
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const graphicQC = new mars3d.graphic.PathEntity({
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position: propertyQC,
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orientation: new Cesium.VelocityOrientationProperty(propertyQC),
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style: {
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width: 1,
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color: "#ffff00",
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opacity: 0.4,
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leadTime: 0
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},
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model: {
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url: "//data.mars3d.cn/gltf/mars/qiche.gltf",
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scale: 0.5,
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minimumPixelSize: 50
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}
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})
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graphicLayer.addGraphic(graphicQC)
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// 圆锥追踪体（动态position=>动态targetPosition）
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const coneTrack = new mars3d.graphic.ConeTrackPrimitive({
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position: propertyFJ,
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// targetPosition: [116.417326, 31.046258, 841.2],
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targetPosition: propertyQC,
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style: {
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// length: 4000, //targetPosition存在时无需传
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angle: 5, // 半场角度
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// 自定义扩散波纹纹理
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material: mars3d.MaterialUtil.createMaterial(mars3d.MaterialType.CylinderWave, {
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color: "#ffff00",
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repeat: 30.0
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}),
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faceForward: false, // 当绘制的三角面片法向不能朝向视点时，自动翻转法向，从而避免法向计算后发黑等问题
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closed: true, // 是否为封闭体，实际上执行的是 是否进行背面裁剪
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renderState: Cesium.RenderState.fromCache({
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blending: Cesium.BlendingState.ALPHA_BLEND,
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depthTest: {
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enabled: false,
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func: Cesium.DepthFunction.LESS
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},
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cull: {
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enabled: true,
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face: Cesium.CullFace.BACK
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},
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depthMask: false
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})
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}
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})
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graphicLayer.addGraphic(coneTrack)
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}
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// 计算演示的SampledPositionProperty轨迹
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function getSampledPositionProperty(points) {
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const property = new Cesium.SampledPositionProperty()
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property.forwardExtrapolationType = Cesium.ExtrapolationType.HOLD
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const start = map.clock.currentTime
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const positions = mars3d.LngLatArray.toCartesians(points)
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for (let i = 0; i < positions.length; i++) {
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const time = Cesium.JulianDate.addSeconds(start, i * 20, new Cesium.JulianDate())
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const position = positions[i]
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property.addSample(time, position)
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}
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return property
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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: "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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