[Paraview] ParaView v5.3: Generating textures from scalars and lookup table

Ken Martin ken.martin at kitware.com
Mon May 8 11:22:18 EDT 2017


Awesome, glad it worked out!

On Sun, May 7, 2017 at 8:32 AM, Nenad Vujicic <nenadus at gmail.com> wrote:

> > >> >* Does anyone have idea how to solve generating textures problem?
> *> >> >* I continued to decompose the problem and I'm curious, is interpolation of
> *> >* scalars before mapping performed (when OpenGL2 is selected) by shaders
> *> >* (on-the-fly, during display) or is an intermediate texture generated?
> *> >
> > 2xN is a good texture. That is what you should get for both the old and new
> > backends (N covers the  scalar range, the 2 covers normal versus NaN, it is
> > a 2D map because of how normal scalar values should properly interpolate to
> > NaN).
>
> > ...
>
> Ken, thank you very much for your help. I think I solved my problem of simulating InterpolateScalarsBeforeMapping (and getting sharp edges) by re-creating larger colormap (4x1K) from generated one.
>
> Thanks very much once again to everyone for helping!
>
>
> Nenad.
>
>
>
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-- 
Ken Martin PhD
Distinguished Engineer
Kitware Inc.
28 Corporate Drive
Clifton Park NY 12065

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