267 lines
8.8 KiB
JavaScript
267 lines
8.8 KiB
JavaScript
import { getHost, getToken } from "../../on";
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class DTH {
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constructor(sdk, options = {}) {
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this.sdk = sdk
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this.primitives = {
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building: [],
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dth: []
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}
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this.options = {...options}
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this.options.host = this.options.host || getHost()
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this.temporaryDth = []
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this.dth = {}
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this.HandlePickHouseEvent = new Cesium.Event();
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this.initEvents()
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}
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/**
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* @description 注册分户点击的事件回调
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* @memberOf DTH
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* */
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houseSelectedCallback(that, cb) {
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this.HandlePickHouseEvent.addEventListener(
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cb,
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that
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)
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}
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//场景事件
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initEvents() {
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new Cesium.ScreenSpaceEventHandler(this.sdk.viewer.scene.canvas).setInputAction(((e) => {
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if (!this.isActivate) return;
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let pickFeature = this.sdk.viewer.scene.pick(e.position);
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if (pickFeature) {
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//点击了已有的分户单体化
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if (pickFeature.primitive && pickFeature.primitive instanceof Cesium.ClassificationPrimitive && pickFeature.id && pickFeature.id.type == "dth") {
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this.getIDBypickFeature(pickFeature); //处理点击到的楼层
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return;
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}
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if (pickFeature.id && pickFeature.id.type === 'highlight') {
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return;
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}
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}
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this.highlightPrimitive && this.sdk.viewer.scene.primitives.remove(this.highlightPrimitive)
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let position = this.sdk.viewer.scene.pickPosition(e.position); //屏幕坐标转为笛卡尔空间坐标
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if (!position) return;
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let c = Cesium.Cartographic.fromCartesian(position); //笛卡尔坐标转为经纬度（弧度）
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let point = [Cesium.Math.toDegrees(c.longitude), Cesium.Math.toDegrees(c.latitude)]; //转为经纬度点
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this.queryByPoint(point, c.height);
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}), Cesium.ScreenSpaceEventType.LEFT_CLICK);
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}
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/*根据用户信息查询单体化*/
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queryByUserInfo(data) {
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this.queryByPoint([data.position.lng, data.position.lat], data.position.alt, data.id)
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}
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//点查询 点击查询是查询分层的数据
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async queryByPoint(point) {
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let url = ""
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if (this.options.host.endsWith("yjearth4.0")) {
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url = this.options.host + '/api/v1/dth/query_by_point'
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}
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else {
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url = this.options.host + '/yjearth4.0/api/v1/dth/query_by_point'
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}
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url += '?point=' + JSON.stringify({'lng': point[0],'lat': point[1]})
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let response = await fetch(url, {
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method: 'get',
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headers: {
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'Content-Type': 'application/json',
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"token": getToken(),
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"Authorization": "Bearer " + getToken(),
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}
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})
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if (response.status === 200) {
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let data = await response.json()
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if (data.code === 200 || data.code === 0) {
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this.clearAllDthPrimitive()
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this.addDthPrimitive(data.data.list)
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}
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else {
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window.ELEMENT && window.ELEMENT.Message({
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message: data.msg || data.message,
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type: 'warning',
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duration: 1500
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});
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}
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}
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}
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// 添加房屋Primitive
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async addBuildingPrimitive(array) {
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for (let i = 0; i < array.length; i++) {
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let fromDegreesArray = []
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let extrudedHeight = 0
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let positions = JSON.parse(array[i].range)
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for (let m = 0; m < positions.length; m++) {
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if (extrudedHeight < positions[m].alt) {
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extrudedHeight = positions[m].alt
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}
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fromDegreesArray.push(positions[m].lng, positions[m].lat, 0)
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}
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let polygonGeometry = new Cesium.PolygonGeometry({
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polygonHierarchy: new Cesium.PolygonHierarchy(
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Cesium.Cartesian3.fromDegreesArrayHeights(fromDegreesArray)
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),
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// perPositionHeight: true, //使用z坐标 否则高度从0开始
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extrudedHeight: 100000000, //拉伸高度
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});
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this.primitives.building.push(this.sdk.viewer.scene.primitives.add(
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new Cesium.ClassificationPrimitive({
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geometryInstances: new Cesium.GeometryInstance({
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id: {
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...array[i],
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},
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geometry: Cesium.PolygonGeometry.createGeometry(polygonGeometry),
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attributes: {
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color: Cesium.ColorGeometryInstanceAttribute.fromColor(
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Cesium.Color.fromCssColorString('rgb(255, 235, 59, 0.4)')
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),
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show: new Cesium.ShowGeometryInstanceAttribute(true),
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}
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}),
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classificationType: Cesium.ClassificationType.CESIUM_3D_TILE,
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}), 0
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))
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}
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}
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// 根据id删除房屋Primitive
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clearBuildingPrimitive(id) {
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for (let i = this.primitives.building.length - 1; i >= 0; i--) {
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if (id === this.primitives.building[i]._primitiveOptions.geometryInstances[0].id.ID) {
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this.sdk.viewer.scene.primitives.remove(this.primitives.building[i])
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this.primitives.building.splice(i, 1)
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break
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}
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}
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}
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// 删除全部房屋Primitive
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clearAllBuildingPrimitive() {
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for (let i = this.primitives.building.length - 1; i >= 0; i--) {
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this.sdk.viewer.scene.primitives.remove(this.primitives.building[i])
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}
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this.primitives.building = []
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}
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// 添加单体化Primitive
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addDthPrimitive(array) {
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let readyIndex = 0
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let Primitives = []
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for (let i = 0; i < array.length; i++) {
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let positions = JSON.parse(array[i].range)
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let fromDegreesArray = []
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for (let m = 0; m < positions.length; m++) {
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fromDegreesArray.push(positions[m].lng, positions[m].lat, array[i].bottom)
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}
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let polygonGeometry = new Cesium.PolygonGeometry({
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polygonHierarchy: new Cesium.PolygonHierarchy(
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Cesium.Cartesian3.fromDegreesArrayHeights(fromDegreesArray)
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),
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perPositionHeight: true, //使用z坐标 否则高度从0开始
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extrudedHeight: array[i].height + array[i].bottom, //拉伸高度
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});
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let Primitive = new Cesium.ClassificationPrimitive({
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geometryInstances: new Cesium.GeometryInstance({
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id: {
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type: 'dth',
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...array[i],
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},
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geometry: Cesium.PolygonGeometry.createGeometry(polygonGeometry),
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attributes: {
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color: Cesium.ColorGeometryInstanceAttribute.fromColor(
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Cesium.Color.fromCssColorString('rgb(255, 235, 59, 0.4)')
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),
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show: new Cesium.ShowGeometryInstanceAttribute(true),
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}
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}),
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classificationType: Cesium.ClassificationType.CESIUM_3D_TILE,
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})
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Primitives.push(Primitive)
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this.sdk.viewer.scene.primitives.add(Primitive)
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Primitive._readyPromise.then(()=>{
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this.clearDthPrimitive(Primitive._primitiveOptions.geometryInstances[0].id.ID)
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readyIndex ++
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if(readyIndex >= array.length) {
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this.primitives.dth.push(...Primitives);
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}
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})
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}
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}
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// 根据id删除单体化Primitive
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clearDthPrimitive(id) {
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for (let i = this.primitives.dth.length - 1; i >= 0; i--) {
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if (id === this.primitives.dth[i]._primitiveOptions.geometryInstances[0].id.ID) {
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this.sdk.viewer.scene.primitives.remove(this.primitives.dth[i])
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this.primitives.dth.splice(i, 1)
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}
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}
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}
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getDthPrimitive(id) {
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for (let i = this.primitives.dth.length - 1; i >= 0; i--) {
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if (id === this.primitives.dth[i]._primitiveOptions.geometryInstances[0].id.ID) {
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return this.primitives.dth[i]
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}
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}
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}
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// 删除全部单体化Primitive
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clearAllDthPrimitive() {
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for (let i = this.primitives.dth.length - 1; i >= 0; i--) {
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this.sdk.viewer.scene.primitives.remove(this.primitives.dth[i])
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}
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this.primitives.dth = []
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}
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getIDBypickFeature(pickFeature) {
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//恢复上一个贴对象面显示
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if (this.clickHighlightPrimitive) {
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this.clickHighlightPrimitive.show = true;
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}
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this.highlightPrimitive && this.sdk.viewer.scene.primitives.remove(this.highlightPrimitive)
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this.highlightPrimitive = this.sdk.viewer.scene.primitives.add(
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new Cesium.ClassificationPrimitive({
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geometryInstances: new Cesium.GeometryInstance({
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id: {
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type: 'highlight',
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},
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geometry: pickFeature.primitive._primitiveOptions.geometryInstances[0].geometry,
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attributes: {
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color: Cesium.ColorGeometryInstanceAttribute.fromColor(
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Cesium.Color.fromCssColorString('rgb(255, 0, 0, 1)')
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),
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show: new Cesium.ShowGeometryInstanceAttribute(true),
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}
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}),
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classificationType: Cesium.ClassificationType.CESIUM_3D_TILE,
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})
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)
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this.highlightPrimitive.readyPromise.then(() => {
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//设置当前点击的贴对象面不显示
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pickFeature.primitive.show = false;
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})
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this.clickHighlightPrimitive = pickFeature.primitive;
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this.handlePickHouse(pickFeature.id)
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}
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//处理拾取到的户室信息
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handlePickHouse(id) {
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this.HandlePickHouseEvent.raiseEvent({}); //触发选中事件 通知界面更新
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}
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activate() {
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this.isActivate = true;
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}
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deactivate() {
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this.isActivate = false;
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}
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}
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export default DTH |