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C# AE加载shp、栅格、地图文档数据

2019-08-24 6页 doc 19KB 45阅读

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C# AE加载shp、栅格、地图文档数据C# +AE加载shp、栅格、地图文档数据 步骤: 1)创建工作空间工厂 2)打开shapefile工作空间 3)打开要素类 4)创建要素图层 5)关联图层和要素类 6)添加到地图空间 具体代码(后面数字为对应的步骤): IWorkspaceFactorypWorkspaceFactory=new ShapefileWorkspaceFactory (); // 1 openFileDialog1.Filter="shaperfile(*.shp)|*.shp"; openFileDialog1.InitialDirecto...
C#  AE加载shp、栅格、地图文档数据
C# +AE加载shp、栅格、地图文档数据 步骤: 1)创建工作空间工厂 2)打开shapefile工作空间 3)打开要素类 4)创建要素图层 5)关联图层和要素类 6)添加到地图空间 具体代码(后面数字为对应的步骤): IWorkspaceFactorypWorkspaceFactory=new ShapefileWorkspaceFactory (); // 1 openFileDialog1.Filter="shaperfile(*.shp)|*.shp"; openFileDialog1.InitialDirectory=@"E:\test\文档和数据\Data"; openFileDialog1.Multiselect=false; DialogResultpDialogResult=openFileDialog1.ShowDialog (); if(pDialogResult !=DialogResult.OK) return; stringpPath=openFileDialog1 .FileName; stringpFolder=Path.GetDirectoryName (pPath); stringpFileName=Path.GetFileName(pPath); IWorkspacepWorkspace=pWorkspaceFactory .OpenFromFile(pFolder ,0); // 2 IFeatureWorkspacepFeatureWorkspace =pWorkspace as IFeatureWorkspace ; IFeatureClasspFC=pFeatureWorkspace .OpenFeatureClass (pFileName ); //3 IFeatureLayerpFLayer=new FeatureLayerClass (); // 4 pFLayer.FeatureClass =pFC; pFLayer.Name =pFC.AliasName ; // 5 ILayerpLayer=pFLayer as ILayer ; IMappMap=axMapControl1.Map ; pMap.AddLayer(pLayer); // 6 axMapControl1.ActiveView .Refresh (); ----------------------------------------------------------------------------------------------------------- //添加ArcGIS命名空间 usingESRI.ArcGIS.Carto; usingESRI.ArcGIS.Geometry; usingESRI.ArcGIS.Geodatabase; usingESRI.ArcGIS.DataSourcesFile; usingESRI.ArcGIS.DataSourcesRaster; //存储打开文件的全路径 stringfullFilePath; //设置OpenFileDialog的属性,使其能打开多种类型文件 OpenFileDialogopenFile = new OpenFileDialog(); openFile.Filter = "shape文件(*.shp)|*.shp|"; openFile.Filter +="栅格数据(*.jpg,*.bmp,*.tiff)|*.jpg;*.bmp;*.tiff|"; openFile.Filter +="地图文档(*.mxd,*.mxt,*.jmf)|*.mxd;*.mxt;*.jmf"; openFile.Title = "打开文件"; try { if (openFile.ShowDialog() == DialogResult.OK) { fullFilePath = openFile.FileName; //获得文件路径 int index = fullFilePath.LastIndexOf("\\"); stringfilePath = fullFilePath.Substring(0, index); //获得文件名称 stringfileNam = fullFilePath.Substring(index + 1); //加载shape文件 if (openFile.FilterIndex == 1) { //打开工作空间工厂 IWorkspaceFactoryworkspcFac = new ShapefileWorkspaceFactory(); IFeatureWorkspacefeatureWorkspc; IFeatureLayerfeatureLay = new FeatureLayerClass(); //打开路径 featureWorkspc = workspcFac.OpenFromFile(filePath, 0) as IFeatureWorkspace; //打开类要素 featureLay.FeatureClass = featureWorkspc.OpenFeatureClass(fileNam); //清空图层 axMapControl1.ClearLayers(); //添加图层 axMapControl1.AddLayer(featureLay); axMapControl1.Refresh(); } //加载栅格图像 else if (openFile.FilterIndex == 2) { IWorkspaceFactoryworkspcFac = new RasterWorkspaceFactory(); IRasterWorkspacerasterWorkspc; IRasterDatasetrasterDatst = new RasterDatasetClass(); IRasterLayerrasterLay = new RasterLayerClass(); rasterWorkspc = workspcFac.OpenFromFile(filePath, 0) as IRasterWorkspace; rasterDatst = rasterWorkspc.OpenRasterDataset(fileNam ); rasterLay.CreateFromDataset(rasterDatst); axMapControl1.ClearLayers(); axMapControl1.AddLayer(rasterLay); axMapControl1.Refresh(); } //加载地图文档
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