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: 29.792193, lng: 121.48008, alt: 122, heading: 198, pitch: -54 }
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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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// 加个模型
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const tiles3dLayer = new mars3d.layer.TilesetLayer({
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name: "水利闸门",
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url: "//data.mars3d.cn/3dtiles/max-fsdzm/tileset.json",
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position: { alt: 15.2 },
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maximumScreenSpaceError: 1,
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maximumMemoryUsage: 1024
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})
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map.addLayer(tiles3dLayer)
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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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hasEdit: true
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})
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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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}
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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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// wall文字 primitive方式添加
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function addDemoGraphic1(graphicLayer) {
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const primitive = new mars3d.graphic.WallPrimitive({
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positions: [
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[121.479914, 29.791249, 32],
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[121.479694, 29.791303, 32]
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],
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style: {
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diffHeight: 5,
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materialType: mars3d.MaterialType.Text,
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text: "水利闸门",
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font_family: "楷体",
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fillColor: "#00ffff"
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},
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attr: { remark: "示例1" }
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})
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graphicLayer.addGraphic(primitive)
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}
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// wall文字 primitive方式添加
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function addDemoGraphic2(graphicLayer) {
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const primitive = new mars3d.graphic.WallPrimitive({
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positions: [
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[121.479343, 29.791419, 35],
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[121.479197, 29.791474, 35]
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],
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style: {
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diffHeight: 5,
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material: mars3d.MaterialUtil.createMaterial(mars3d.MaterialType.Text, {
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text: "火星科技",
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font_size: 70,
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fillColor: "#3388cc",
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outlineWidth: 4
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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(primitive)
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}
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// rectangle贴地矩形 3dtiles路面文字
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function addDemoGraphic3(graphicLayer) {
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const rectanglePrimitive = new mars3d.graphic.RectanglePrimitive({
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name: "路面文字",
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positions: [
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[121.479989, 29.791162],
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[121.480114, 29.791201]
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],
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style: {
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clampToGround: true,
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material: mars3d.MaterialUtil.createMaterial(mars3d.MaterialType.Text, {
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text: "火星路",
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font_size: 50,
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font_family: "楷体",
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fillColor: "#00ff00",
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stroke: true,
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strokeWidth: 2,
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strokeColor: "#ffffff"
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}),
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rotationDegree: 163,
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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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type: mars3d.EventType.click,
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stroke: true,
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strokeColor: new Cesium.Color(1.0, 1.0, 0.0, 0.8),
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strokeWidth: 5
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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(rectanglePrimitive)
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}
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function addDemoGraphic4(graphicLayer) {
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const rectanglePrimitive = new mars3d.graphic.RectanglePrimitive({
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positions: [
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[121.479593, 29.791632, 13],
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[121.480136, 29.79169, 13]
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],
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style: {
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material: mars3d.MaterialUtil.createMaterial(mars3d.MaterialType.Text, {
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text: "火星科技Mars3D平台",
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font_size: 70,
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fillColor: new Cesium.Color(1.0, 1.0, 0.0, 1.0),
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stroke: true,
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strokeWidth: 2,
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strokeColor: new Cesium.Color(1.0, 1.0, 1.0, 0.8)
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}),
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rotation: Cesium.Math.toRadians(163),
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stRotation: Cesium.Math.toRadians(163),
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clampToGround: true
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},
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attr: { remark: "示例4" }
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})
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graphicLayer.addGraphic(rectanglePrimitive)
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}
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// 添加数据
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export function addDemoGraphic(count) {
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graphicLayer.clear()
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map.centerAt({ lat: 29.81612, lng: 121.476177, alt: 945, heading: 179, pitch: -22 })
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showLoading()
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const startTime = new Date().getTime()
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// 取区域内的随机图标
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function randomPoint(j) {
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const jd = random(121.460727 * 1000, 121.494659 * 1000) / 1000
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const wd = random(29.778576 * 1000, 29.806463 * 1000) / 1000
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return Cesium.Cartesian3.fromDegrees(jd, wd, 20)
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}
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const txtWidth = 90 // 图片宽度，单位：米
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const txtHeight = 40 // 图片高度，单位：米
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// 多个面对象的合并渲染。
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const instances = []
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for (let j = 0; j < count; ++j) {
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const position = randomPoint(j)
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const pt1 = mars3d.PointUtil.getPositionByDirectionAndLen(position, 160, txtWidth)
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const primitive = new mars3d.graphic.WallPrimitive({
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positions: [position, pt1],
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style: {
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diffHeight: txtHeight,
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materialType: mars3d.MaterialType.Text,
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text: "第" + j + "个",
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font_family: "楷体",
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fillColor: "#00ffff"
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},
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tooltip: "第" + j + "个"
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})
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graphicLayer.addGraphic(primitive)
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}
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hideLoading()
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const endTime = new Date().getTime()
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// 两个时间戳相差的毫秒数
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const usedTime = (endTime - startTime) / 1000
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console.log(usedTime)
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globalMsg("共耗时" + usedTime.toFixed(2) + "秒")
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}
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// 清除数据
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// 取随机数据
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function random(min, max) {
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return Math.floor(Math.random() * (max - min + 1) + min)
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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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}
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