| | |
| | | |
| | | import _GLOBAL from '@/assets/GLOBAL2' |
| | | import gcj02Mecator from '@/utils/transform' |
| | | import { ceil } from 'lodash'; |
| | | |
| | | //清除 |
| | | export function clearAll() { |
| | | if (_GLOBAL.ImageLayer) { |
| | |
| | | }); |
| | | window.mapapi.addLayer(_GLOBAL.historyLayer); |
| | | } |
| | | var topResolution = 896.0859375; |
| | | var resolutions = []; |
| | | let matrixIds = []; |
| | | |
| | | for (let zoom = 0; zoom < 13; zoom++) { |
| | | resolutions.push(topResolution / Math.pow(2, zoom)); |
| | | matrixIds[zoom] = zoom; |
| | | } |
| | | // |
| | | // 加载历史影像路网 |
| | | export function addHistoryLW(name) { |
| | | const layerName = name; |
| | | if (_GLOBAL.historyLW) { |
| | | window.mapapi.removeLayer(_GLOBAL.historyLW) |
| | | } |
| | | |
| | | _GLOBAL.historyLW = new ol.layer.Tile({ |
| | | source: new ol.source.WMTS({ |
| | | url: "https://skyzt.bda.gov.cn/service/ImageEngine/picdis/abc?", |
| | | layer: "Shiliang_Lw_2019", |
| | | style: "", |
| | | format: "image/png", |
| | | // 投影坐标系 |
| | | tileGrid: new ol.tilegrid.WMTS({ |
| | | extent: [371987.18334, 252920.58593, 624459.12036, 423400.07714], |
| | | origin: [0, 688194], |
| | | resolutions: resolutions, |
| | | matrixIds: matrixIds, |
| | | tileSize: 256, |
| | | }), |
| | | }), |
| | | }); |
| | | window.mapapi.addLayer(_GLOBAL.historyLW); |
| | | } |
| | | |
| | | //实时获取定位 |
| | | export function getCurrentPosition() { |
| | |
| | | |
| | | //创建当前定位点 |
| | | export function createGPSMarker(position, rotate) { |
| | | let GPSPOI_3857 = ol.proj.fromLonLat(position); |
| | | // 记录当前位置(定位用) |
| | | window.personalPoi = GPSPOI_3857; |
| | | const GPSMarkerLayer = new ol.layer.Vector({ |
| | | id: 'LocationPoint', |
| | | name: '定位点', |
| | | source: new ol.source.Vector({ |
| | | features: [new ol.Feature({ |
| | | geometry: new ol.geom.Point(position), |
| | | geometry: new ol.geom.Point(GPSPOI_3857), |
| | | })] |
| | | }), |
| | | style: new ol.style.Style({ |