利用Arcengine 直接加载shp文件

AE中shp文件的加载

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）：

new ShapefileWorkspaceFactory (); // 1openFileDialog1.Filter="shaperfile(*.shp)|*.shp";openFileDialog1.InitialDirectory=@"E:\test\文档和数据\Data";openFileDialog1.Multiselect=false;DialogResult pDialogResult=openFileDialog1.ShowDialog ();if(pDialogResult !=DialogResult.OK)return;string pPath=openFileDialog1 .FileName;string pFolder=Path.GetDirectoryName (pPath);string pFileName=Path.GetFileName(pPath);IWorkspace pWorkspace=pWorkspaceFactory .OpenFromFile(pFolder ,0); // 2IFeatureWorkspace pFeatureWorkspace =pWorkspace as IFeatureWorkspace ;IFeatureClass pFC=pFeatureWorkspace .OpenFeatureClass (pFileName ); //3IFeatureLayer pFLayer=new FeatureLayerClass (); // 4pFLayer.FeatureClass =pFC;pFLayer.Name =pFC.AliasName ; // 5ILayer pLayer=pFLayer as ILayer ;IMap pMap=axMapControl1.Map ;pMap.AddLayer(pLayer); // 6axMapControl1.ActiveView .Refresh ();-----------------------------------------------------------------------------------------------------------//添加ArcGIS命名空间using ESRI.ArcGIS.Carto;using ESRI.ArcGIS.Geometry;using ESRI.ArcGIS.Geodatabase;using ESRI.ArcGIS.DataSourcesFile;using ESRI.ArcGIS.DataSourcesRaster;//存储打开文件的全路径string fullFilePath;//设置OpenFileDialog的属性，使其能打开多种类型文件OpenFileDialog penFile = 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("\");string filePath = fullFilePath.Substring(0, index);//获得文件名称string fileNam = fullFilePath.Substring(index + 1);//加载shape文件if (openFile.FilterIndex == 1){//打开工作空间工厂IWorkspaceFactory workspcFac = new ShapefileWorkspaceFactory();IFeatureWorkspace featureWorkspc;IFeatureLayer featureLay = 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){IWorkspaceFactory workspcFac = new RasterWorkspaceFactory();IRasterWorkspace rasterWorkspc;IRasterDataset rasterDatst = new RasterDatasetClass();IRasterLayer rasterLay = 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else if (openFile.FilterIndex == 3){IMapDocument mapDoc = new MapDocumentClass();mapDoc.Open(filePath ,"");axMapControl1.ClearLayers();for (int i = 0; i < mapDoc.MapCount - 1; i++){axMapControl1.Map =mapDoc.get_Map (i);}IActiveView activeViw = axMapControl1.Map as IActiveView;activeViw.Extent = axMapControl1.FullExtent;axMapControl1.Refresh();}}}catch (Exception ex){MessageBox.Show(ex.Message.ToString ());}}}

原文链接：

http://hi.baidu.com/galileo0405/blog/item/6689be922a431381a977a4bd.html