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In article <web.3e412247c7b69b7a1c4fca030@news.povray.org>,
"Neil Conway" <nei### [at] yahoo com> wrote:
> In terms of CPU time, it doesn't necessarily represent a problem if this
> takes weeks of CPU per picture. Firstly, I don't need to do it very often,
> and secondly, I can always beg some time on our Beowulf cluster (hmm, I
> now remember reading that photons don't lend themselves well to clustered
> tracing...).
You must be thinking of radiosity. Radiosity computes some information
while rendering, keeping the data in sync is extremely difficult. Photon
mapping precomputes a photon map, and doesn't have this kind of problem.
--
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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