import { ELocalStorageKey, EDeviceTypeName } from '/@/types'
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import * as Cesium from 'cesium'
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import { useMyStore } from '/@/store'
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import {
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getCurrentInstance,
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} from 'vue'
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interface billboardSetting {
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image: string,
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scale?: number,
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[key: string]: any
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}
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interface pointSetting {
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pixelSize: number,
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outlineWidth: number,
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[key: string]: any
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}
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interface labelSetting {
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text: string | undefined,
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font: string,
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outlineWidth: number,
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[key: string]: any
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}
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interface polyline {
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width?: number
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material?: Cesium.Color
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[key: string]: any
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}
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interface pointOption {
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longitude: number
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latitude: number
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point?: pointSetting
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billboard?: billboardSetting
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polyline?: polyline
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label?: labelSetting
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id?: string
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heading?: number
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pitch?: number
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roll?: number
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}
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// 定义全局的viewer变量防止重复生成
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// eslint-disable-next-line no-var
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var viewer: Cesium.Viewer | null = null
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export function cesiumOperation () {
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let handler: Cesium.ScreenSpaceEventHandler
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const TDT_Token = 'c6eea7dad4fa1e2d1e32ec0e7c9735db'
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// 天地图Key
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// 天地图地图
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const TDT_IMG_C = 'https://{s}.tianditu.gov.cn/img_c/wmts?service=wmts&request=GetTile&version=1.0.0' +
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'&LAYER=img&tileMatrixSet=c&TileMatrix={TileMatrix}&TileRow={TileRow}&TileCol={TileCol}' +
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'&style=default&format=tiles&tk=' + TDT_Token
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// 天地图注记
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const TDT_ZJ = 'https://{s}.tianditu.gov.cn/cia_c/wmts?service=wmts&request=GetTile&version=1.0.0' +
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'&LAYER=cia&tileMatrixSet=c&TileMatrix={TileMatrix}&TileRow={TileRow}&TileCol={TileCol}' +
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'&style=default&format=tiles&tk=' + TDT_Token
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// 标准地图注记
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const TID_STAND = 'https://{s}.tianditu.gov.cn/vec_w/wmts?service=wmts&request=GetTile&version=1.0.0' +
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'&LAYER=img&tileMatrixSet=c&TileMatrix={TileMatrix}&TileRow={TileRow}&TileCol={TileCol}' +
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'&style=default&format=tiles&tk=' + TDT_Token
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// 天地图图层变量
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const imageryProvider_tdt = new Cesium.WebMapTileServiceImageryProvider({
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url: TDT_IMG_C,
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layer: 'tdtImg_c',
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style: 'default',
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format: 'tiles',
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tileMatrixSetID: 'c',
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subdomains: ['t0', 't1', 't2', 't3', 't4', 't5', 't6', 't7'],
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tilingScheme: new Cesium.GeographicTilingScheme(),
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tileMatrixLabels: ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', '12', '13', '14', '15', '16', '17', '18', '19'],
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maximumLevel: 50,
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})
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// 标准地图图层变量
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const imageryProvider_stand = new Cesium.UrlTemplateImageryProvider({
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url: 'https://t{s}.tianditu.gov.cn/DataServer?T=vec_w&x={x}&y={y}&l={z}&tk=e45274b0235bb913eceb393aabbf9c9c',
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subdomains: ['0', '1', '2', '3', '4', '5', '6', '7'],
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// format: 'image/jpeg',
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// show: true,
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maximumLevel: 18,
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credit: 'stand_tc'
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})
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// 标准地图图层注解
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const imageryProvider_standZh = new Cesium.UrlTemplateImageryProvider({
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url: 'https://t{s}.tianditu.gov.cn/DataServer?T=cva_w&x={x}&y={y}&l={z}&tk=e45274b0235bb913eceb393aabbf9c9c',
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subdomains: ['0', '1', '2', '3', '4', '5', '6', '7'],
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maximumLevel: 18,
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credit: 'stand_zj'
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})
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// 天地图中文注记加载
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const annotation = new Cesium.WebMapTileServiceImageryProvider({
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url: TDT_ZJ,
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layer: 'tdtZwImg_c',
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style: 'default',
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format: 'tiles',
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tileMatrixSetID: 'c',
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subdomains: ['t0', 't1', 't2', 't3', 't4', 't5', 't6', 't7'],
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tilingScheme: new Cesium.GeographicTilingScheme(),
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tileMatrixLabels: ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', '12', '13', '14', '15', '16', '17', '18', '19'],
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maximumLevel: 50,
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})
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const dimension = ref(3)
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const store = useMyStore()
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const _init = () => {
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// Cesium Token
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const cesiumToken = import.meta.env.VITE_CESIUM_TOKEN
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Cesium.Ion.defaultAccessToken = cesiumToken
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Cesium.Camera.DEFAULT_VIEW_FACTOR = -0.45
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// 西南东北，默认显示中国
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Cesium.Camera.DEFAULT_VIEW_RECTANGLE = Cesium.Rectangle.fromDegrees(110, -25, 110, 90)
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viewer = new Cesium.Viewer('cesiumContainer', {
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infoBox: false, // 禁用沙箱，解决控制台报错
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animation: false, // 左下角的动画仪表盘
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baseLayerPicker: false, // 右上角的图层选择按钮
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geocoder: false, // 搜索框
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homeButton: false, // home按钮
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sceneModePicker: false, // 模式切换按钮
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timeline: false, // 底部的时间轴
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navigationHelpButton: false, // 右上角的帮助按钮，
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selectionIndicator: false, // 是否显示选择指示器
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baseLayer: false,
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})
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handler = new Cesium.ScreenSpaceEventHandler(viewer.scene.canvas)
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viewer.cesiumWidget.screenSpaceEventHandler.removeInputAction(Cesium.ScreenSpaceEventType.LEFT_DOUBLE_CLICK) // 禁用双击
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// viewer.scene.screenSpaceCameraController.minimumZoomDistance = 100
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viewer.scene.screenSpaceCameraController.maximumZoomDistance = 4500000
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loadLAYER()
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}
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// 加载图层、注解方法
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const loadLAYER = () => {
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// 天地图图层加载
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if (store.state.common.mapSetting.mode === 1) {
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viewer?.imageryLayers.addImageryProvider(imageryProvider_tdt)
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}
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// 标准地图加载
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if (store.state.common.mapSetting.mode === 0) {
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viewer?.imageryLayers.addImageryProvider(imageryProvider_stand)
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viewer?.imageryLayers.addImageryProvider(imageryProvider_standZh)
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}
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// 路线图加载
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if (store.state.common.mapSetting.roadLine === true && store.state.common.mapSetting.mode === 1) {
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viewer?.imageryLayers.addImageryProvider(annotation)
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}
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}
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// 清除所有标记点
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function removeAllPoint () {
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if (viewer) {
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viewer?.entities?.removeAll()
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}
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}
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// 添加标记点
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const addPoint = (pointOption: pointOption) => {
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if (!pointOption.longitude && !pointOption.latitude) return
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const position = Cesium.Cartesian3.fromDegrees(pointOption.longitude, pointOption.latitude)
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viewer?.entities.add({
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position,
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billboard: pointOption.billboard,
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point: pointOption.point,
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label: pointOption.label,
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id: pointOption.id,
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})
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}
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// 添加线段
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const addPolyline = (pointOption: pointOption) => {
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viewer?.entities.add({
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polyline: pointOption.polyline,
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id: pointOption.id,
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})
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}
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// 通过点ID删除
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function removeById (id:string) {
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viewer?.entities.removeById(id)
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const pointEntity = viewer?.entities.getById(id)
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if (pointEntity && pointEntity !== undefined) {
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viewer?.entities.remove(pointEntity)
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}
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}
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// 通过点ID获取实体
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function getEntityById (id:string) {
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const pointEntity = viewer?.entities.getById(id)
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return pointEntity
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}
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// 更新图片实体位置
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function updateEntityPosition (longitude:number, latitude:number, id:string, params?:any) {
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const entity = getEntityById(id) as Cesium.Entity
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const position = Cesium.Cartesian3.fromDegrees(longitude, latitude)
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const heading = Cesium.Math.toRadians(-params.heading)
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if (Cesium.defined(entity)) {
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entity.position = position
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entity.billboard.rotation = heading
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}
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}
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// 飞行 flyto
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const flyTo = (pointOption: pointOption, time: number = 4, height:number = 3000) => {
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if (!pointOption.longitude && !pointOption.latitude) return
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const destination = Cesium.Cartesian3.fromDegrees(pointOption.longitude, pointOption.latitude, height)
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const duration = time
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viewer?.camera.flyTo({
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destination,
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duration
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})
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}
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// 二维三维切换
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// 切换为二三维模式
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const switchModel = (type: string) => {
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switch (type) {
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case '2D':
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viewer?.scene.camera.setView({
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orientation: {
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pitch: Cesium.Math.toRadians(-60),
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heading: Cesium.Math.toRadians(0),
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}
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})
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dimension.value = 2
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break
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case '3D':
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viewer?.scene.camera.setView({
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orientation: {
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pitch: Cesium.Math.toRadians(-90),
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heading: Cesium.Math.toRadians(0),
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}
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})
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dimension.value = 3
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}
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}
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// 地图放大
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const zoonIn = (range:number) => {
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// 获取当前视角的高度
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const cameraHeight = viewer?.camera.positionCartographic.height
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const amout = Cesium.Math.sign(range) * cameraHeight / Math.log(cameraHeight)
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viewer?.camera.zoomIn(amout)
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}
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// 地图缩小
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const zoonOut = (range:number) => {
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const cameraHeight = viewer?.camera.positionCartographic.height
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const amout = Cesium.Math.sign(range) * cameraHeight / Math.log(cameraHeight)
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viewer?.camera.zoomOut(amout)
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}
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// 生成或删除路网图层
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const roadPattern = (flag:boolean) => {
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if (store.state.common.mapSetting.mode === 0) return
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const imageryLayers = viewer?.scene.imageryLayers
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const tdtZwImg_c = imageryLayers?._layers.find(v => v.imageryProvider._layer === 'tdtZwImg_c')
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if (!flag) {
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viewer?.imageryLayers.remove(tdtZwImg_c)
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} else {
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viewer?.imageryLayers.addImageryProvider(annotation)
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}
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}
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// 切换不同背景图层
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const patternMap = () => {
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const imageryLayers = viewer?.scene.imageryLayers
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// 切换为标准图层
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if (store.state.common.mapSetting.mode === 0) {
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const tdtImg_c = imageryLayers?._layers.find(v => v.imageryProvider._layer === 'tdtImg_c')
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const tdtZwImg_c = imageryLayers?._layers.find(v => v.imageryProvider._layer === 'tdtZwImg_c')
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viewer?.imageryLayers.remove(tdtImg_c)
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viewer?.imageryLayers.remove(tdtZwImg_c)
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} else {
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const tdtStand_c = imageryLayers?._layers.find(v => v.imageryProvider.credit.html === 'stand_tc')
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const tdtStand_zj = imageryLayers?._layers.find(v => v.imageryProvider.credit.html === 'stand_zj')
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viewer?.imageryLayers.remove(tdtStand_c)
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viewer?.imageryLayers.remove(tdtStand_zj)
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}
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loadLAYER()
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}
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onMounted(() => {
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if (viewer) return
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_init()
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const { appContext } = getCurrentInstance()
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const global = appContext.config.globalProperties
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global.$viewer = viewer
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})
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// 销毁地图模型
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// onUnmounted(() => {
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// // viewer = null
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// })
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return {
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addPoint,
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removeAllPoint,
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flyTo,
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removeById,
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switchModel,
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dimension,
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zoonIn,
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zoonOut,
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roadPattern,
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patternMap,
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getEntityById,
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updateEntityPosition,
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addPolyline
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}
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}
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