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The XYZ extent of withheld points.
[Visual Basic .NET] Public ReadOnly Property WithheldExtent As IEnvelope
[C#] public IEnvelope WithheldExtent {get;}
[C++]
HRESULT get_WithheldExtent(
IEnvelope** ppExt
);
[C++] Parameters ppExt [out, retval]
ppExt is a parameter of type IEnvelope**
Returns the XYZ extent of points flagged as withheld in the file/dataset. Withheld points are those identified using the bit field encoding scheme laid out in the LAS Specification. Generally, these points are intended to be excluded from use. The envelope will be empty (IEnvelope.IsEmpty == TRUE) if there are no withheld points.