【IT168技术文档】
加载Shapefile数据
加载栅格数据1 IWorkspaceFactory pWorkspaceFactory; 2 IFeatureWorkspace pFeatureWorkspace; 3 IFeatureLayer pFeatureLayer; 4 5 //获取当前路径和文件名 6 OpenFileDialog dlg = new OpenFileDialog(); 7 dlg.Filter = "Shape(*.shp)|*.shp|All Files(*.*)|*.*"; 8 dlg.Title = "Open Shapefile data"; 9 dlg.ShowDialog(); 10 string strFullPath = dlg.FileName; 11 if (strFullPath == "") return; 12 int Index = strFullPath.LastIndexOf("\\"); 13 string filePath = strFullPath.Substring(0, Index); 14 string fileName = strFullPath.Substring(Index + 1); 15 16 //打开工作空间并添加shp文件 17 pWorkspaceFactory = new ShapefileWorkspaceFactoryClass(); 18 pFeatureWorkspace = (IFeatureWorkspace)pWorkspaceFactory.OpenFromFile(filePath, 0); 19 pFeatureLayer = new FeatureLayerClass(); 20 21 pFeatureLayer.FeatureClass = pFeatureWorkspace.OpenFeatureClass(fileName); 22 pFeatureLayer.Name = pFeatureLayer.FeatureClass.AliasName; 23 axMapControl1.Map.AddLayer(pFeatureLayer); 24 axMapControl1.ActiveView.Refresh();
1 IWorkspaceFactory pWorkspaceFactory; 2 IRasterWorkspace pRasterWorkspace; 3 4 OpenFileDialog dlg = new OpenFileDialog(); 5 dlg.Filter = "Layer File(*.lyr)|*.jpg;*.bmp;*.tiff"; 6 dlg.Title = "Open Raster Data File"; 7 dlg.ShowDialog(); 8 //获取当前路径和文件名 9 string strFullPath = dlg.FileName; 10 if (strFullPath == "") return; 11 int Index = strFullPath.LastIndexOf("\\"); 12 string fileName = strFullPath.Substring(Index + 1); 13 string filePath = strFullPath.Substring(0, Index); 14 15 pWorkspaceFactory = new RasterWorkspaceFactoryClass(); 16 pRasterWorkspace = (IRasterWorkspace)pWorkspaceFactory.OpenFromFile(filePath, 0); 17 IRasterDataset pRasterDataset = (IRasterDataset)pRasterWorkspace.OpenRasterDataset(fileName); 18 IRasterLayer pRasterLayer = new RasterLayerClass(); 19 pRasterLayer.CreateFromDataset(pRasterDataset); 20 axMapControl1.Map.AddLayer(pRasterLayer); 21 axMapControl1.ActiveView.Refresh();