[vtkusers] VTK equivalent of Paraview SetInterpolateColorsFlag

[Jeff Lee]

how about
actor->GetProperty()->SetInterpolationToFlat(); // flat shading
actor->GetProperty()->SetInterpolationToGouraud();  // smooth shaded 
(with point values)

Paul Cochrane wrote:

>Hi all,
>
>I'm wanting to replicate the colour interpolation one can obtain of a
>surface from within paraview with vtk.  Paraview has a flag that one can set
>that makes the colour interpolation very nice when one is viewing a grid in
>a surface representation and I'm wondering what I have to do in vtk to
>obtain the same output.  To explain what I mean, I'm attaching two images to
>this email.  In interpColorsOff.jpg one sees a nice range of colours
>(notably the yellow and green) in the peak, whereas in interpColorsOn.jpg
>there is just the red in the same place, which is the same output as what I
>get with vtk.  I managed to track the difference down to the
>SetInterpolateColorsFlag within paraview, however this doesn't seem to exist
>in vtk, and I'm wondering what I have to do (if at all possible) within vtk
>to get the same result as having SetInterpolateColorsFlag set to Off.
>
>Any help would be greatly appreciated!
>
>Paul Cochrane
>
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