cesium源码编译调试及调用全过程

科技资讯 投稿 8000 0 评论

cesium源码编译调试及调用全过程

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>

 

 

编程笔记 » cesium源码编译调试及调用全过程

赞同 (39) or 分享 (0)
游客 发表我的评论   换个身份
取消评论

表情
(0)个小伙伴在吐槽