[vtkusers] Problem getting vtkExtractVOI to work

Elvis Dowson elvis.dowson at mac.com
Thu Nov 6 19:14:59 EST 2008

There is a difference in implementation between vtk-5.0.2 and vtk-5.2.0.

The follow code fragment will work for vtk-5.0.2

subset SetVOI $XminR $XmaxR $YminR $YmaxR 1 1

but will have to be changed as follows for vtk-5.2.0, if you are  
ignoring z values.

subset SetVOI $XminR $XmaxR $YminR $YmaxR 0 0 
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