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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let textMaterialProperty
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export const eventTarget = new mars3d.BaseClass()
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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: 29.792325, lng: 121.480055, alt: 146, 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()
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// 材质对象
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textMaterialProperty = mars3d.MaterialUtil.createMaterialProperty(mars3d.MaterialType.Text, {
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text: "火星科技Mars3D平台",
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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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// 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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removeAll()
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}
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// wall文字 entity方式
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function addDemoGraphic1(graphicLayer) {
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const wallEntity = new mars3d.graphic.WallEntity({
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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(wallEntity)
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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.WallEntity({
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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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materialType: 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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onCustomCanvas: onCustomCanvas // 对Canvas做自定义处理
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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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// 对Canvas做自定义处理,需要返回Promise
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function onCustomCanvas(canvas, material) {
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const cWidth = canvas.width
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const cHeight = canvas.height
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const context = canvas.getContext("2d")
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return Cesium.Resource.createIfNeeded("./img/country/zg.png")
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.fetchImage()
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.then((image) => {
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context.drawImage(image, 5, 5, 20, 20)
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return canvas
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})
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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 rectangleEntity = new mars3d.graphic.RectangleEntity({
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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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classificationType: Cesium.ClassificationType.BOTH,
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clampToGround: true,
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materialType: 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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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: "#ff0000",
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strokeWidth: 4
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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(rectangleEntity)
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}
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function addDemoGraphic4(graphicLayer) {
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const rectangleEntity = new mars3d.graphic.RectangleEntity({
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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: textMaterialProperty,
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rotation: new Cesium.CallbackProperty(getRotationValue, false),
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stRotation: new Cesium.CallbackProperty(getRotationValue, false)
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},
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attr: { remark: "示例4" }
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})
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graphicLayer.addGraphic(rectangleEntity)
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}
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let rotation = 0
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function getRotationValue() {
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return rotation
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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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// 创建完成，事件监听
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graphicLayer.on(mars3d.EventType.drawCreated, function (e) {
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// 绘制点，计算矩形的生成，特殊处理一下，点的话不用弹出属性面板
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if (e.drawtype === "point") {
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return
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}
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eventTarget.fire("graphicEditor-start", e)
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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(
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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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// 绘制点，计算矩形的生成，特殊处理一下，点的话不用弹出属性面板
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if (e.edittype === "point") {
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return
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}
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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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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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callback: function (e) {
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const graphic = e.graphic
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if (graphic) {
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graphicLayer.removeGraphic(graphic)
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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 onClickDrawWall() {
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graphicLayer.startDraw({
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type: "wall",
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maxPointNum: 2,
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style: {
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font_size: 50,
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color: "#ffff00",
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outline: false,
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diffHeight: 5,
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material: textMaterialProperty
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},
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success: function (graphic) {
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console.log(JSON.stringify(graphic.coordinates)) // 打印下边界
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}
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})
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}
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export function onClickDrawRectangle() {
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graphicLayer.startDraw({
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type: "rectangle",
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style: {
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material: textMaterialProperty,
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rotation: new Cesium.CallbackProperty(getRotationValue, false),
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stRotation: new Cesium.CallbackProperty(getRotationValue, false),
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clampToGround: true
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},
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success: function (graphic) {
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console.log(JSON.stringify(graphic.coordinates)) // 打印下边界
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}
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})
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}
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// 根据中心点来计算矩形
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export function onClickDrawPoint() {
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graphicLayer.startDraw({
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type: "point",
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style: {
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color: "#ffff00",
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clampToGround: true
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},
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success: function (graphic) {
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const position = graphic.positionShow
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const positions = mars3d.PolyUtil.getRectPositionsByCenter({
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center: position,
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width: 60,
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height: 10
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})
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const rectangleEntity = new mars3d.graphic.RectangleEntity({
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positions: positions,
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style: {
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material: textMaterialProperty,
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rotation: new Cesium.CallbackProperty(getRotationValue, false),
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stRotation: new Cesium.CallbackProperty(getRotationValue, false),
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clampToGround: true
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}
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})
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graphicLayer.addGraphic(rectangleEntity)
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eventTarget.fire("graphicEditor-start", { graphic: rectangleEntity })
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}
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})
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}
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export function onChangeSlider(val) {
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if (val) {
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rotation = Cesium.Math.toRadians(val)
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}
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}
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export function onClickSure(val) {
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textMaterialProperty.text = val
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}
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export function removeAll() {
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graphicLayer.clear()
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}
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