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 echartTarget = 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: 29.526546, lng: 119.823425, alt: 803, heading: 178, pitch: -27 },
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fxaa: true
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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Graphic图层
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graphicLayer = new mars3d.layer.GraphicLayer()
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map.addLayer(graphicLayer)
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mars3d.Util.fetchJson({ url: "//data.mars3d.cn/file/apidemo/tower.json" })
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.then(function (res) {
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showData(res.data)
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})
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.catch(function (error) {
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console.log("加载JSON出错", error)
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})
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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 showData(arrdata) {
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let polylines1 = []
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let polylines2 = []
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let polylines3 = []
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let polylines4 = []
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let polylines5 = []
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const polylinesTB = []
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for (let i = 0; i < arrdata.length; i++) {
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const item = arrdata[i]
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// 所在经纬度坐标及海拔高度
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const longitude = Number(item.longitude)
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const latitude = Number(item.latitude)
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const height = Number(item.height)
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const originPoint = {
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longitude: longitude,
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latitude: latitude,
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height: height
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}
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const position = Cesium.Cartesian3.fromDegrees(originPoint.longitude, originPoint.latitude, originPoint.height)
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// 计算电线塔转角角度
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const degree = parseInt(item.degree)
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// 5条线路坐标
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const hpr = new Cesium.HeadingPitchRoll(Cesium.Math.toRadians(degree), 0, 0)
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const newPoint1 = mars3d.PointUtil.getPositionByHprAndOffset(position, new Cesium.Cartesian3(0.341789, 16.837972, 50.717621), hpr)
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const newPoint2 = mars3d.PointUtil.getPositionByHprAndOffset(position, new Cesium.Cartesian3(0.34241, -16.838163, 50.717617), hpr)
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const newPoint3 = mars3d.PointUtil.getPositionByHprAndOffset(position, new Cesium.Cartesian3(-0.025005, 0.022878, 39.540545), hpr)
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const newPoint4 = mars3d.PointUtil.getPositionByHprAndOffset(position, new Cesium.Cartesian3(-0.024999, 15.009109, 39.303012), hpr)
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const newPoint5 = mars3d.PointUtil.getPositionByHprAndOffset(position, new Cesium.Cartesian3(-0.025001, -15.009585, 39.301099), hpr)
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polylinesTB.push(newPoint3) // 图标显示的点
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if (i === 0) {
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polylines1.push(newPoint1)
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polylines2.push(newPoint2)
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polylines3.push(newPoint3)
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polylines4.push(newPoint4)
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polylines5.push(newPoint5)
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} else {
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const angularityFactor = -5000
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const num = 50
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let positions = mars3d.PolyUtil.getLinkedPointList(polylines1[polylines1.length - 1], newPoint1, angularityFactor, num) // 计算曲线点
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polylines1 = polylines1.concat(positions)
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positions = mars3d.PolyUtil.getLinkedPointList(polylines2[polylines2.length - 1], newPoint2, angularityFactor, num) // 计算曲线点
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polylines2 = polylines2.concat(positions)
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positions = mars3d.PolyUtil.getLinkedPointList(polylines3[polylines3.length - 1], newPoint3, angularityFactor, num) // 计算曲线点
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polylines3 = polylines3.concat(positions)
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positions = mars3d.PolyUtil.getLinkedPointList(polylines4[polylines4.length - 1], newPoint4, angularityFactor, num) // 计算曲线点
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polylines4 = polylines4.concat(positions)
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positions = mars3d.PolyUtil.getLinkedPointList(polylines5[polylines5.length - 1], newPoint5, angularityFactor, num) // 计算曲线点
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polylines5 = polylines5.concat(positions)
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}
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const html = mars3d.Util.getTemplateHtml({
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title: "塔杆",
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template: [
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{ field: "roadName", name: "所属线路" },
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{ field: "towerId", name: "杆塔编号" },
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{ field: "杆塔型号", name: "杆塔型号" },
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{ field: "杆塔性质", name: "杆塔性质" },
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{ field: "杆塔类型", name: "杆塔类型" },
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{ field: "投运日期", name: "投运日期" },
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{ field: "杆塔全高", name: "杆塔全高" },
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{ field: "设计单位", name: "设计单位" },
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{ field: "施工单位", name: "施工单位" },
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{ field: "height", name: "海拔高度" }
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],
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attr: item
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})
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drawWireTowerModel(position, degree, html)
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}
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// 绘制路线
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drawGuideLine(polylines1, "#ffffff")
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drawGuideLine(polylines2, "#ffffff")
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drawGuideLine(polylines3)
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drawGuideLine(polylines4, "#ff0000")
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drawGuideLine(polylines5, "#0000ff")
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// 绘制断面图echarts图表
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computeSurfacePointsHeight(polylinesTB)
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}
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// 绘制电线塔模型
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function drawWireTowerModel(position, degree, inthtml) {
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const modelUrls = ["tower.glb", "V.glb", "vertical01.glb", "vertical02.glb"]
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for (let j = 0; j < modelUrls.length; j++) {
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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/tower/" + modelUrls[j],
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heading: degree,
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scale: 1,
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distanceDisplayCondition: new Cesium.DistanceDisplayCondition(0, 4000.0)
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}
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})
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graphicLayer.addGraphic(primitive)
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primitive.bindPopup(inthtml)
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}
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}
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function drawGuideLine(positions, color) {
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const primitive = new mars3d.graphic.PolylinePrimitive({
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positions: positions,
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style: {
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width: 4,
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color: color
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}
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})
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graphicLayer.addGraphic(primitive)
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}
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// 绘制断面图echarts图表
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function computeSurfacePointsHeight(polylines5) {
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// 绘制断面图
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mars3d.PolyUtil.computeSurfacePoints({
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scene: map.scene,
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positions: polylines5 // 需要计算的源路线坐标数组
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}).then((result) => {
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const heightArry = []
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const heightTDArray = []
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let distanceArray
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for (let i = 0; i < polylines5.length; i++) {
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const item = polylines5[i]
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const carto = Cesium.Cartographic.fromCartesian(item)
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const height = mars3d.Util.formatNum(carto.height) // 设计高度 当小数点后面的数字一致时，会省略小数点，不显示
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const tdHeight = mars3d.Util.formatNum(Cesium.Cartographic.fromCartesian(result.positions[i]).height) // 地面高度
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heightArry.push(height)
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heightTDArray.push(tdHeight)
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// 距离数组
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const positionsLineFirst = result.positions[0]
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distanceArray = result.positions.map(function (data) {
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return Math.round(Cesium.Cartesian3.distance(data, positionsLineFirst)) // 计算两点之间的距离,返回距离
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})
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}
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echartTarget.fire("addEchart", { heightArry, heightTDArray, distanceArray })
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})
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}
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