[vtkusers] vtkRectilinearGridGeometryFilter

[Amy Henderson]

Hi Vetria,

 From the header file, vtkRectilinearGridGeometryFilter.h:

   // Description:
   // Specify (imin,imax, jmin,jmax, kmin,kmax) indices.
   void SetExtent(int iMin, int iMax, int jMin, int jMax, int kMin, int kMax);

   // Description:
   // Specify (imin,imax, jmin,jmax, kmin,kmax) indices in array form.
   void SetExtent(int extent[6]);

To extract a plane, the min and max values in one of the i, j, or k 
directions must be the same. For example (from RGrid.cxx):
     plane->SetExtent(0,46, 16,16, 0,43);
To instead extract a volume, make sure that the min and max values are not 
the same. For example:
     plane->SetExtent(0,46, 3,16, 0,43);

- Amy

At 01:41 PM 3/23/2004, Vetria Byrd wrote:
>Can anyone point me in the direction of an example that demonstrates how 
>to extract a "volume" from a rectilinear grid using 
>vtkRectilinearGridGeometryFilter?
>I have viewed and I am able to run the RGrid.cxx example which shows how 
>to extract a plane.
>The vtkRectilinearGridGeometryFilter Class reference states by specifying 
>appropriate i-j-k indices, it is possible to extract a volume.
>And example would be helpful.
>
>Thanks in advance for your help.
>
>_______________
>Vetria L. Byrd
>
>
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