Open a Raster file on disk by it's name as a GeoDataset.
[C#]
/// <summary> /// Open a Raster file on disk by it's name as a GeoDataset. /// </summary> /// <param name="path">A System.String that is the directory location of the raster file. Example: "C:\raster_data"</param> /// <param name="name">A System.String that is the name of the raster file in the directory. Example: "landuse" or "watershed"</param> /// <returns>An IGeoDataset interface.</returns> /// <remarks> /// IRasterWorkspace is used to access a raster stored in a file system in any supported raster format. /// RasterWorkspaceFactory must be used to create a raster workspace. /// To access raster from geodatabase, use IRasterWorkspaceEx interface. /// /// For more information on working with the ArcGIS Spatial Anaylst objects see: /// http://edndoc.esri.com/arcobjects/9.2/CPP_VB6_VBA_VCPP_Doc/COM/VB6/working/work_rasters/sptl_analyst_objs.htm /// </remarks> public ESRI.ArcGIS.Geodatabase.IGeoDataset OpenRasterFileAsGeoDatset(System.String path, System.String name) { try { ESRI.ArcGIS.Geodatabase.IWorkspaceFactory workspaceFactory = new ESRI.ArcGIS.DataSourcesRaster.RasterWorkspaceFactoryClass(); ESRI.ArcGIS.DataSourcesRaster.IRasterWorkspace rasterWorkspace = (ESRI.ArcGIS.DataSourcesRaster.IRasterWorkspace)(workspaceFactory.OpenFromFile(path, 0)); ESRI.ArcGIS.Geodatabase.IRasterDataset rasterDataset = rasterWorkspace.OpenRasterDataset(name); ESRI.ArcGIS.Geodatabase.IGeoDataset geoDataset = (ESRI.ArcGIS.Geodatabase.IGeoDataset)rasterDataset; // Explicit Cast return geoDataset; } catch (System.Exception ex) { //System.Diagnostics.Debug.WriteLine(ex.Message) return null; } }
[Visual Basic .NET]
''' <summary> ''' Open a Raster file on disk by it's name as a GeoDataset. ''' </summary> ''' <param name="path">A System.String that is the directory location of the raster file. Example: "C:\raster_data"</param> ''' <param name="name">A System.String that is the name of the raster file in the directory. Example: "landuse" or "watershed"</param> ''' <returns>An IGeoDataset interface.</returns> ''' <remarks> ''' IRasterWorkspace is used to access a raster stored in a file system in any supported raster format. ''' RasterWorkspaceFactory must be used to create a raster workspace. ''' To access raster from geodatabase, use IRasterWorkspaceEx interface. ''' ''' For more information on working with the ArcGIS Spatial Anaylst objects see: ''' http://edndoc.esri.com/arcobjects/9.2/CPP_VB6_VBA_VCPP_Doc/COM/VB6/working/work_rasters/sptl_analyst_objs.htm ''' </remarks> Public Function OpenRasterFileAsGeoDatset(ByVal path As System.String, ByVal name As System.String) As ESRI.ArcGIS.Geodatabase.IGeoDataset Try Dim workspaceFactory As ESRI.ArcGIS.Geodatabase.IWorkspaceFactory = New ESRI.ArcGIS.DataSourcesRaster.RasterWorkspaceFactoryClass() Dim rasterWorkspace As ESRI.ArcGIS.DataSourcesRaster.IRasterWorkspace = CType(workspaceFactory.OpenFromFile(path, 0), ESRI.ArcGIS.DataSourcesRaster.IRasterWorkspace) Dim rasterDataset As ESRI.ArcGIS.Geodatabase.IRasterDataset = rasterWorkspace.OpenRasterDataset(name) Dim geoDataset As ESRI.ArcGIS.Geodatabase.IGeoDataset = CType(rasterDataset, ESRI.ArcGIS.Geodatabase.IGeoDataset) ' Explicit Cast Return geoDataset Catch ex As System.Exception 'System.Diagnostics.Debug.WriteLine(ex.Message) Return Nothing End Try End Function