[vtkusers] Patch to fix vtkExtractVectorComponents.cxx bugs

[Prabhu Ramachandran]

>>>>> "NB" == Nicholas Brealey <nick.brealey at culham.com> writes:

    NB> Hi Here is a patch which fixes 3 bugs in
    NB> vtkExtractVectorComponents.cxx:

    NB> 1) Execute() crashes if there are no point data vectors.

    NB> 2) Cell data scalars given 3 components instead of 1.

    NB> 3) z component of cell data vector not set correctly.

Many thanks for the patch.  I've checked in the changes into CVS.

prabhu