POV-Ray : Newsgroups : povray.binaries.images : Gem cuts preview : Re: Gem cuts preview Server Time
6 May 2024 06:05:39 EDT (-0400)
  Re: Gem cuts preview  
From: Alain
Date: 21 Dec 2017 22:54:58
Message: <5a3c8212$1@news.povray.org>

> Alain <kua### [at] videotronca> wrote:

>>> The image is promissing, but too bright:
>>> is gamma correct?
>>> are albedo and conserve_energy used?
>>> are specular / mirror intensity values realistic ones?
>>> with darker lighting and a more punctual one, caustics will contrast more.
>>
>> Maybe using textures from metals.inc. Those have insane ambient values.
>> Should change them to ambient 0.
> 
> Alain, you know me better than that!
> 
> I used very low ambient and diffuse values.  I didn't use zero, because I'm not
> using blurred reflection.  (My focus for this module is the modeling, not the
> textures.)
> 
> 
Even without blured reflection, using ambient >0 for metals is not 
realistic.


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