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Warp wrote:
>
> Can someone give me a (good) example of the use of a shader and why it's
> so innovative?
>
Good thing about shader support in POV-Ray is the fact, that this makes
creation of the custom (texture) patches unneccessary. Someone (!)
wrote, that POV-Ray should not incorporate each possible patch, which
someone has written, for it becomes too bloated and slow.
Shaders could be used for any possible texture, to start with marble,
wood and finish with anisotropic scattering, non-photorealistic
texturing (Advanced RM book has examples of "cel" texture and examples
of texture, which gives engraving (??) look to objects).
But main reason for writing this patch was the complaint from the
rendering gurus (in c.g.r.r. "render wars"), that POV-Ray could not be
taken seriously, for it is raytracer and it does not support shaders.
Hopefully second one will be groundless in some point of time.
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