本文使用软件或API版本:
Node:12.18.3
总体步骤:
-
下载源码
- 执行npm install和npm start启动web服务
- 打包源码(打包前可以先将申请到的cesium的token更改到ion.js文件中的默认值中)
- 运行测试html页面,并进行源码调试
详细图文步骤如下:
1、从github上搜索cesium,从Release中找到需要使用的版本,下载Source code(zip源码:
2、使用vscode打开,并执行安装、运行命令
npm install
安装完成后,会在目录下生成一个node_modules文件夹
然后执行启动命令
npm start
(1)npm start启动cesium 访问的命令,如果8080端口被占用,需要更改一个新的端口或者用命令起一个新的端口,它没有webpack那么智能,在端口被占用的情况下,自己可以换一个新的端口。
node server.js --port 8081
npm run startPublic
3、运行示例页面(需要先运行命令打包)
npm run minifyRelease 或 npm run minify
如果需要生成可调试的源码,需要使用命令:
npm run combine
<script src="../Build/CesiumUnminified/Cesium.js"></script> <style> @import url(../Build/CesiumUnminified/Widgets/widgets.css; html, body, #cesiumContainer { width: 100%; height: 100%; margin: 0; padding: 0; overflow: hidden; } </style>
这时候再通过npm start启动web服务,访问Hello World.html:
https://cesium.com/ion/tokens
(1)可以找到文件Source\Core\Ion.js,打开修改defaultAccessToken值,这种方式是在源码中修改,修改完后需要重新打包。
Cesium.Ion.defaultAccessToken = cesium_tk; let viewer = new Cesium.Viewer('cesiumContainer', { // baseLayerPicker: false, timeline: true, homeButton: true, fullscreenButton: true, infoBox: true, animation: true, shouldAnimate: true };
<!DOCTYPE html> <html lang="en"> <head> <!-- Use correct character set. --> <meta charset="utf-8"/> <!-- Tell IE to use the latest, best version. --> <meta http-equiv="X-UA-Compatible" content="IE=edge"/> <!-- Make the application on mobile take up the full browser screen and disable user scaling. --> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no" /> <title>cesium加载影像和矢量数据</title> <script src="../Build/CesiumUnminified/Cesium.js"></script> <style> @import url(../Build/CesiumUnminified/Widgets/widgets.css; html, body, #cesiumContainer { width: 100%; height: 100%; margin: 0; padding: 0; overflow: hidden; } </style> </head> <body> <div id="cesiumContainer"></div> <script> //天地图token let TDT_tk = "通过天地图官网申请token"; //Cesium token let cesium_tk = "通过cesium官网申请获取token"; //天地图影像 let TDT_IMG_C = "http://{s}.tianditu.gov.cn/img_c/wmts?service=wmts&request=GetTile&version=1.0.0" + "&LAYER=img&tileMatrixSet=c&TileMatrix={TileMatrix}&TileRow={TileRow}&TileCol={TileCol}" + "&style=default&format=tiles&tk=" + TDT_tk; //标注 let TDT_CIA_C = "http://{s}.tianditu.gov.cn/cia_c/wmts?service=wmts&request=GetTile&version=1.0.0" + "&LAYER=cia&tileMatrixSet=c&TileMatrix={TileMatrix}&TileRow={TileRow}&TileCol={TileCol}" + "&style=default&format=tiles&tk=" + TDT_tk; //初始页面加载 //Cesium.Ion.defaultAccessToken = cesium_tk; let viewer = new Cesium.Viewer('cesiumContainer', { // baseLayerPicker: false, timeline: true, homeButton: true, fullscreenButton: true, infoBox: true, animation: true, shouldAnimate: true, //imageryProvider: layer, //设置默认底图 }; let rightTilt = true; if (rightTilt { viewer.scene.screenSpaceCameraController.tiltEventTypes = [ Cesium.CameraEventType.RIGHT_DRAG, Cesium.CameraEventType.PINCH, { eventType: Cesium.CameraEventType.LEFT_DRAG, modifier: Cesium.KeyboardEventModifier.CTRL }, { eventType: Cesium.CameraEventType.RIGHT_DRAG, modifier: Cesium.KeyboardEventModifier.CTRL } ] viewer.scene.screenSpaceCameraController.zoomEventTypes = [ Cesium.CameraEventType.MIDDLE_DRAG, Cesium.CameraEventType.WHEEL, Cesium.CameraEventType.PINCH ] } viewer.imageryLayers.remove(viewer.imageryLayers.get(0 //添加tms let tms = {}; tms.url = "http://10.0.7.16:81/tms"; if (tms { const layerInfo = { url: tms.url, fileExtension: tms.fileExtension || 'jpg', maximumLevel: tms.maxZoom || 7, name: 'tms' } const tmsService = new Cesium.TileMapServiceImageryProvider(layerInfo tmsService.layerInfo = layerInfo } //添加地形 let terrain = {}; terrain.url = "http://data.marsgis.cn/terrain"; if (terrain { const terrainLayer = new Cesium.CesiumTerrainProvider({ url: terrain.url } viewer.terrainProvider = terrainLayer } _matrixIds = ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "17", "18"] //调用影响中文注记服务 /*viewer.imageryLayers.addImageryProvider(new Cesium.WebMapTileServiceImageryProvider({ url: TDT_CIA_C, layer: "tdtImg_c", style: "default", format: "tiles", tileMatrixSetID: "c", subdomains: ["t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7"], tilingScheme: new Cesium.GeographicTilingScheme(, tileMatrixLabels: ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19"], maximumLevel: 50, show: false }*/ //使用ArcGisMapServerImageryProvider加载影像没成功,改用WebMapServiceImageryProvider //var world = new Cesium.ArcGisMapServerImageryProvider({ //url:'http://10.1.88.200:6080/arcgis/rest/services/test/globaltdt5/MapServer', //}; //viewer.imageryLayers.addImageryProvider(world; var arcgisyx = new Cesium.WebMapServiceImageryProvider({ url:'http://10.1.88.200:6080/arcgis/rest/services/test/globaltdt5/MapServer/tile/{z}/{y}/{x}', layers:[0] }; viewer.imageryLayers.addImageryProvider(arcgisyx; var china = new Cesium.ArcGisMapServerImageryProvider({ url:'http://10.1.88.200:6080/arcgis/rest/services/test/china4490/MapServer' }; viewer.imageryLayers.addImageryProvider(china; </script> </body> </html>