Creates a new persistent Dataset of a given format.

[VisualBasic.NET]
Public Function SaveAs ( _
ByValNameAsString,_
ByValWorkspaceAsIWorkspace,_
ByValFormatAsString _
)AsIDataset

[C#]
public IDataset SaveAs (
string Name,
IWorkspace Workspace,
string Format
);

[C++]
HRESULT SaveAs(
BSTR Name,IWorkspace* Workspace,BSTR Format,IDataset** Dataset
);

Product Availability

Remarks

The format strings usedfor the supported formats are below,and they are case sensitive:

How to SaveAs raster data

[C#]DE>DE>

public void SaveAs(IRasterDataset rasterDataset,IWorkspace workspace,string
    sFormat,string sName)
{
    //Using ISaveAs2,you can specify the storage property for the output raster,such as tile size,compression,//and pyramid building,etc. for geodatabase raster,some also applies to output as a file format.
    ISaveAs saveAs = rasterDataset as ISaveAs;
    saveAs.SaveAs(sName,workspace,sFormat);
}

public void SaveAsWithCompressionAndTile(IRasterDataset rasterDataset)
{
    //rasterDataset can be created from any data source,file system,or geodatabase. 

    //It could also be a raster object (IRaster).
    ISaveAs2 saveAs2 = (ISaveAs2)rasterDataset;

    //Set storage. 
    IRasterStorageDef rasterStorageDef = new RasterStorageDefClass();
    IRasterStorageDef2 rasterStorageDef2 = (IRasterStorageDef2)rasterStorageDef;
    rasterStorageDef2.CompressionType =
        esriRasterCompressionType.esriRasterCompressionJPEG2000;
    rasterStorageDef2.CompressionQuality = 50;
    rasterStorageDef2.Tiled = true;
    rasterStorageDef2.TileHeight = 128;
    rasterStorageDef2.TileWidth = 128;
    //Set output workspace.
    IRasterWorkspaceEx rasterWorkspaceEx = OpenFileGDBWorkspace("c://temp//fgdb.gdb")
        ;
    IWorkspace workspace = (IWorkspace)rasterWorkspaceEx;
    saveAs2.SaveAsRasterDataset("filegdbRaster","gdb",rasterStorageDef2)
        ;
}


public IRasterWorkspaceEx OpenFileGDBWorkspace(string sPath)
{
    IWorkspaceFactory workspaceFactory = new FileGDBWorkspaceFactoryClass();
    IWorkspace workspace = workspaceFactory.OpenFromFile(sPath,0);
    IRasterWorkspaceEx rasterWorkspaceEx = (IRasterWorkspaceEx)workspace;
    return rasterWorkspaceEx;
} 

DE>

[VB.NET]DE>DE>

Public Sub SaveAs(ByVal rasterDataset As IRasterDataset,ByVal workspace As IWorkspace,ByVal 
sFormat As String,ByVal sName As String)
    
    'Using ISaveAs2,'and pyramid building,some also applies to output as a file format.
    Dim saveAs As ISaveAs = TryCast(rasterDataset,ISaveAs)
    saveAs.SaveAs(sName,sFormat)
    
End Sub


Public Sub SaveAsWithCompressionAndTile(ByVal rasterDataset As IRasterDataset)
    
    'rasterDataset can be created from any data source,or geodatabase.
    'It could also be a raster object (IRaster).
    Dim saveAs2 As ISaveAs2 = CType(rasterDataset,ISaveAs2)
    
    'Set storage.
    Dim rasterStorageDef As IRasterStorageDef = New RasterStorageDefClass
    Dim rasterStorageDef2 As IRasterStorageDef2 = CType(rasterStorageDef,IRasterStorageDef2)
    
    rasterStorageDef2.CompressionType = esriRasterCompressionType.esriRasterCompressionJPEG2000
    rasterStorageDef2.CompressionQuality = 50
    rasterStorageDef2.Tiled = True
    rasterStorageDef2.TileHeight = 128
    rasterStorageDef2.TileWidth = 128
    
    'Set output workspace.
    Dim rasterWorkspaceEx As IRasterWorkspaceEx = OpenFileGDBWorkspace("c:/temp/fgdb.gdb")
    Dim workspace As IWorkspace = CType(rasterWorkspaceEx,IWorkspace)
    
    saveAs2.SaveAsRasterDataset("filegdbRaster",rasterStorageDef2)
    
End Sub


Public Function OpenFileGDBWorkspace(ByVal sPath As String) As IRasterWorkspaceEx
    
    Dim workspaceFactory As IWorkspaceFactory = New FileGDBWorkspaceFactoryClass
    Dim workspace As IWorkspace = workspaceFactory.OpenFromFile(sPath,0)
    Dim rasterWorkspaceEx As IRasterWorkspaceEx = CType(workspace,IRasterWorkspaceEx)
    
    Return rasterWorkspaceEx
    
End Function 

[C#]DE>DE>

public void SaveAsWithoutBuildingPyramids(IRaster raster)
{
    ISaveAs2 saveAs2 = (ISaveAs2)raster;

    IRasterStorageDef rasterStorageDef = new RasterStorageDefClass();
    IRasterStorageDef2 rasterStorageDef2 = (IRasterStorageDef2)rasterStorageDef;

    rasterStorageDef2.PyramidLevel = 0;

    IRasterWorkspace rasterWorkspace = SetRasterWorkspace("c://temp");
    IWorkspace workspace = (IWorkspace)rasterWorkspace;

    saveAs2.SaveAsRasterDataset("image1.img","IMAGINE Image",rasterStorageDef2);

}


public IRasterWorkspace SetRasterWorkspace(string sPath)
{
    IWorkspaceFactory workspaceFactory = new RasterWorkspaceFactoryClass();
    IWorkspace workspace = workspaceFactory.OpenFromFile(sPath,0);
    IRasterWorkspace rasterWorkspace = (IRasterWorkspace)workspace;

    return rasterWorkspace;
} 

DE>

[VB.NET]DE>DE>

Public Sub SaveAsWithoutBuildingPyramids(ByVal raster As IRaster)
    
    Dim saveAs2 As ISaveAs2 = CType(raster,ISaveAs2)
    
    Dim rasterStorageDef As IRasterStorageDef = New RasterStorageDefClass
    Dim rasterStorageDef2 As IRasterStorageDef2 = CType(rasterStorageDef,IRasterStorageDef2)
    
    rasterStorageDef2.PyramidLevel = 0
    
    Dim rasterWorkspace As IRasterWorkspace = SetRasterWorkspace("c:/temp")
    Dim workspace As IWorkspace = CType(rasterWorkspace,IWorkspace)
    
    saveAs2.SaveAsRasterDataset("image1.img",rasterStorageDef2)
    
End Sub


Public Function SetRasterWorkspace(ByVal sPath As String) As IRasterWorkspace
    
    Dim workspaceFactory As IWorkspaceFactory = New RasterWorkspaceFactoryClass
    Dim workspace As IWorkspace = workspaceFactory.OpenFromFile(sPath,0)
    Dim rasterWorkspace As IRasterWorkspace = CType(workspace,IRasterWorkspace)
    
    Return rasterWorkspace
    
End Function 

本文转自：http://changqingnew.blog.163.com/blog/static/1075233820103474425849/

（编辑：李大同）

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