[vtkusers] Modify a polydata point

[David E DeMarle]

As I said last Friday
(http://www.vtk.org/pipermail/vtkusers/2008-October/097973.html):
>You can either create an RGB array or better use a Lookup table.
>Read the VTK User's Guide chapter 5. Or look at the programs in the
>Examples directory and to investigate how the rendering portion of VTK
>works and can be controlled.

What is a Mapper, what is a Renderer, what is a vtkRenderWindow? What
is a LookupTable? Specifically what problems are you having when you
try to control them?

cheers,
Dave


On Mon, Nov 3, 2008 at 3:30 PM, B. C. <butterfly.1688 at yahoo.fr> 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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-- 
David E DeMarle
Kitware, Inc.
R&D Engineer
28 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-371-3971 x109