POV-Ray : Newsgroups : povray.unofficial.patches : First patterned light source image! : Re: First patterned light source image! Server Time
2 Sep 2024 10:13:41 EDT (-0400)
  Re: First patterned light source image!  
From: Chris Huff
Date: 27 Feb 2000 10:30:40
Message: <chrishuff_99-3D2261.10320927022000@news.povray.org>
In article <38b93cb7@news.povray.org>, Nieminen Juha 
<war### [at] sarakerttunencstutfi> wrote:

> Is there some difference between the patterned light source and a 
> regular light source with a tiny sphere around it with the desired 
> pattern applied?

Yes...the patterned light source evaluates a pigment at each point, so 
it depends on position instead of just angle to the light source.(And 
when I get the mappings working, it will also optionally depend on the 
distance the light has travelled.)

-- 
Chris Huff
e-mail: chr### [at] yahoocom
Web page: http://chrishuff.dhs.org/


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