POV-Ray : Newsgroups : povray.newusers : depositing media photons : Re: depositing media photons Server Time
4 Nov 2024 13:00:58 EST (-0500)
  Re: depositing media photons  
From: Christopher James Huff
Date: 16 Aug 2003 10:12:14
Message: <cjameshuff-17F27E.09091116082003@netplex.aussie.org>
In article <web.3f3d840342ce26eef779e6db0@news.povray.org>,
 "Penners" <pen### [at] hotmailcom> wrote:

>   I am wondering what the stipulation is for a media photon to be deposited
> within a media.  In particular if I have a light source and it illuminates
> some media and then hits a surface, like a floor, why are no media photons
> stored?  An example of this would be the "media1.pov" example file given in
> the example scenes.  There are three spotlights illuminating a sphere with
> media surrounding it.  But no media photons are actually stored.

If the media is lit directly, there is no need to spend memory on 
photons, POV can find the lighting using the light source. If the floor 
were reflective, media photons would be deposited in the reflected beam.

-- 
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: chr### [at] tagpovrayorg
http://tag.povray.org/


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