POV-Ray : Newsgroups : povray.pov4.discussion.general : Matte Metallic Surfaces vs. Reflective Metallic Surfaces : Re: Matte Metallic Surfaces vs. Reflective Metallic Surfaces Server Time
29 Jan 2023 20:49:35 EST (-0500)
  Re: Matte Metallic Surfaces vs. Reflective Metallic Surfaces  
From: djsilon
Date: 7 Feb 2014 15:30:00
Message: <web.52f54152a7800ab99acf128d0@news.povray.org>
Alain <kua### [at] videotronca> wrote:

> > Does anyone know if POV is capable of generating matte metallic surfaces?  Matte
> > metallic surfaces do not produce the typical mirrored reflections that we are
> > accustomed to seeing in POV.  Instead, they cast reflections only in the form of
> > dull, black shadows.  The xmas ornaments in the attached image are matte
> > metallic because they do not produce true reflections, only shadows.
> >
> > djsilon
> >
> >
> You can use plain POV-Ray:
> Use micronormals, possibly averaging a few randomly displaced instances.
> You need to use aa to get good results.
> Average 100 to 255 large normals randomly displaced.
> OR
> You can use the experimental Uberpov that support blured reflection
> where you can define a roughness that is to affect the reflection.
> In your case, you could use something like:
> reflection{0.5 metallic roughness 1}

Thanks for the info, Alain.   I will give it a try and let you know how it works


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