[vtkusers] help with blanking portions in a Structured Grid

[vtk replies]

Hello,
I have not been able to blank a portion of a
structured grid ( in order to simulate an
object/obstacle )using the 
vtkStructuredGrid->BlankPoint(pointId) function in
vtkStructuredGrid class. 

(1) Is there any way of blanking a portion of a
structured grid in VTK ? How can it be done ? 

Will anyone who has done this before please take the
time to help me out ? 
Any help will be greatly appreciated.

Thanks in advance,

regards

Joseph.

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