POV-Ray : Newsgroups : povray.text.tutorials : Highlight Voodo : Re: Highlight Voodo Server Time
3 Dec 2022 01:26:48 EST (-0500)
  Re: Highlight Voodo  
From: Cousin Ricky
Date: 5 Jul 2012 20:25:00
Message: <web.4ff62fd68dbbb1aa85de7b680@news.povray.org>
clipka <ano### [at] anonymousorg> wrote:
> Am 04.07.2012 23:27, schrieb Cousin Ricky:
> > How is this relationship affected if the material isn't "polished"?
>
> Mu. POV-Ray's reflection is only realistic for polished surfaces.

What is mu?

> > Is there any relationship between reflection and roughness/phong_size?
>
> If we're talking about polished surfaces: Yes, obviously there is a
> relationship - it's in the formulae given above.

What I'm asking is for a given reflection value, can we predict what the
roughness value will be?

> If we're talking about dull surfaces, then mu - as stated above, POV-Ray
> does not natively support dull (aka blurred) reflections.

This is probably not a good idea (yet?) anyway.  Best to let the users weigh the
various methods and tradeoffs.


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