ArcObjects Library Reference (SpatialAnalyst)  

ILogicalOp.IsNull Method

On a cell by cell basis, returns 1 if the input value is NoData, and 0 if it is not.

[Visual Basic .NET]
Public Function IsNull ( _
    ByVal geoDataset As IGeoDataset _
) As IGeoDataset
[C#]
public IGeoDataset IsNull (
    IGeoDataset geoDataset
);
[C++]
HRESULT IsNull(
  IGeoDataset* geoDataset,
  IGeoDataset** outGeodataset
);
[C++]

Parameters

geoDataset [in]

  geoDataset is a parameter of type IGeoDataset

outGeodataset [out, retval]

  outGeodataset is a parameter of type IGeoDataset

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server. Requires Spatial Analyst Extension.

Remarks

geoDataset an input Raster, RasterDataset, RasterBand, or RasterDescriptor

 

See Also

ILogicalOp Interface