Accessing raster workspaces

文章目錄

• Accessing raster workspaces

Accessing raster workspaces

All geodatabase workspaces support the IRasterWorkspaceEx interface, while file workspaces support IRasterWorkspace. See the following code example: 

[C#]

//Open file geodatabase workspace as RasterWorkspace.static IRasterWorkspaceEx OpenFGDB(string FGDBPath){    //FGDBPath string example: c:\data\raster.gdb.    IWorkspaceFactory2 workspaceFactory = new FileGDBWorkspaceFactoryClass();    return (IRasterWorkspaceEx)workspaceFactory.OpenFromFile(FGDBPath, 0);}//Open ArcSDE workspace as RasterWorkspace.static IRasterWorkspaceEx OpenSDE(string conString){    //conString example: SERVER=qian;INSTANCE=9200;VERSION=sde.DEFAULT;USER=raster;PASSWORD=raster.    IWorkspaceFactory2 workspaceFactory = new SdeWorkspaceFactoryClass();    return (IRasterWorkspaceEx)workspaceFactory.OpenFromString(conString, 0);}//Open accessed workspace as RasterWorkspace.static IRasterWorkspaceEx OpenAccess(string PGDBPath){    //FGDBPath string example: c:\data\rasters.mdb.    IWorkspaceFactory2 workspaceFactory = new AccessWorkspaceFactoryClass();    return (IRasterWorkspaceEx)workspaceFactory.OpenFromFile(PGDBPath, 0);}//Open file workspace as RasterWorkspace.static IRasterWorkspace OpenFileWorkspace(string wsPath){    //wsPath example: c:\data\rasters.    IWorkspaceFactory workspaceFact = new RasterWorkspaceFactoryClass();    return (IRasterWorkspace)workspaceFact.OpenFromFile(wsPath, 0);}

[VB.NET]

'Open file geodatabase workspace as RasterWorkspace.Public Function OpenFGDB(ByVal FGDBPath As String) As IRasterWorkspaceEx    'FGDBPath string example: c:\data\raster.gdb.    Dim workspaceFactory As IWorkspaceFactory2 = New FileGDBWorkspaceFactoryClass()    Return CType(workspaceFactory.OpenFromFile(FGDBPath, 0), IRasterWorkspaceEx)End Function'Open ArcSDE workspace as RasterWorkspacePublic Function OpenSDE(ByVal conString As String) As IRasterWorkspaceEx    'conString example: SERVER=qian;INSTANCE=9200;VERSION=sde.DEFAULT;USER=raster;PASSWORD=raster.    Dim workspaceFactory As IWorkspaceFactory2 = New SdeWorkspaceFactoryClass()    Return CType(workspaceFactory.OpenFromString(conString, 0), IRasterWorkspaceEx)End Function'Open accessed workspace as RasterWorkspace.Public Function OpenAccess(ByVal PGDBPath As String) As IRasterWorkspaceEx    'FGDBPath string example: c:\data\rasters.mdb.    Dim workspaceFactory As IWorkspaceFactory2 = New AccessWorkspaceFactoryClass()    Return CType(workspaceFactory.OpenFromFile(PGDBPath, 0), IRasterWorkspaceEx)End Function'Open file workspace as RasterWorkspace.Public Function OpenFileWorkspace(ByVal wsPath As String) As IRasterWorkspace    'wsPath example: c:\data\rasters.    Dim workspaceFact As IWorkspaceFactory = New RasterWorkspaceFactoryClass()    Return CType(workspaceFact.OpenFromFile(wsPath, 0), IRasterWorkspace)End Function