[vtkusers] Access to scalars

[e.mambrini at llg.it]

Hi!

I have a PolyData object, created by STLReader. I wanna give different 
colors to the object points, depending on their coordinates. How can I 
access to the scalars of these points?
I tried  with GetPointData->GetScalars but it gives me problems at run time.

Thanks!

eleonora

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