POV-Ray : Newsgroups : povray.binaries.images : Sun, sky, grass, concrete, radiosity etc. (60k) Server Time
15 Aug 2024 16:29:27 EDT (-0400)
  Sun, sky, grass, concrete, radiosity etc. (60k) (Message 1 to 6 of 6)  
From: Kari Kivisalo
Subject: Sun, sky, grass, concrete, radiosity etc. (60k)
Date: 7 Jun 2002 19:37:43
Message: <3D0143DF.CCA8799B@luxlab.com>
Coloring exercise. Contrast tweaked a bit.


_____________
Kari Kivisalo


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From: Apache
Subject: Re: Sun, sky, grass, concrete, radiosity etc. (60k)
Date: 8 Jun 2002 11:22:01
Message: <3d022119@news.povray.org>
What recursion_limit?

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From: Xplo Eristotle
Subject: Re: Sun, sky, grass, concrete, radiosity etc. (60k)
Date: 8 Jun 2002 13:46:34
Message: <3D024308.8844B1D3@infomagic.net>
Kari Kivisalo wrote:
> 
> Coloring exercise. Contrast tweaked a bit.

It's not the best concrete I've seen; the tiling is far too obvious on
the walls, which makes it look like wallpaper. That said, the floor
somewhat resembles carpet.

The radiosity looks very nice, though.

-Xplo


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From: Kari Kivisalo
Subject: Re: Sun, sky, grass, concrete, radiosity etc. (60k)
Date: 8 Jun 2002 17:07:05
Message: <3D027215.AF86F910@luxlab.com>
The textures are there to give quick visual reference. The purpose
of this scene was to find balance for outdoors illumination when
certain absolute refence colors are used. Also photographic textures
react in unexpected ways when lit indirectly with this type of setup.
May be a limitation of the RGB system. 


For the curious:

  #version 3.5;
  radiosity{
    pretrace_start 1
    pretrace_end 1
    count 1000
    recursion_limit 5 
    nearest_count 1
    error_bound 0.05 // saved data 0.02
    always_sample off
  }


_____________
Kari Kivisalo


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From: Christoph Hormann
Subject: Re: Sun, sky, grass, concrete, radiosity etc. (60k)
Date: 9 Jun 2002 04:54:04
Message: <3D0317AB.DA9B12B3@gmx.de>
Kari Kivisalo wrote:
> 
> Coloring exercise. Contrast tweaked a bit.
> 

Looks good, but the contrasts do not seem quite right to me, the lit parts
of the interior are extremely bright while the outside ground is just
plain yellow.

The window wall being extremely thin also seems a bit unrealistic.

Christoph

-- 
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Last updated 02 Jun. 2002 _____./\/^>_*_<^\/\.______


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From: Kari Kivisalo
Subject: Re: Sun, sky, grass, concrete, radiosity etc. (60k)
Date: 9 Jun 2002 07:25:23
Message: <3D033B3A.3FDF462F@luxlab.com>
Christoph Hormann wrote:
>
> Looks good, but the contrasts do not seem quite right to me, the lit parts
> of the interior are extremely bright while the outside ground is just
> plain yellow.

This would be physically correct for this scene and the limited
processing used.


_____________
Kari Kivisalo


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