"Christopher James Huff" <cja### [at] earthlinknet> wrote in message
news:cjameshuff-5E6769.10274006022004@news.povray.org...
> In article <402320ab$1@news.povray.org>,
>  "Dan P" <dan### [at] yahoocom> wrote:
>
> Absorbing media will have a much lesser impact on speed than scattering
> media, especially when there's no variation in density to sample. And
> interior attenuation is very fast, because it never has to handle
> variable density and can use a much simpler method to compute the
> attenuation.

Oh, I see what you mean. I was basing that perception on scattering media,
not absorbing media. I'm really glad I've been reading these newsgroups -- 
it's been having a very positive impact on my scenes. Thanks, Chris!!!

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