[vtkusers] Modify a polydata point

[Dominik Szczerba]

RTFM on vtkPolyData, vtkDataSetMapper, vtkLookupTable and 
references/examples therein.

Dominik

B. C. wrote:
> Hi everyone,
> Can some one tell me how to modify the color of a particular point of a 
> polydata?
> I want to have as a final result my polydata points with 2 colors: when 
> a point have some value, it will be 'red' else it will be 'blue'.
> I need your help, thank you
> 
> 
> 
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