I've been following this thread for a while and have been playing with
raytracing for a few years.
I wonder if it would be possible for a single machine to generate the
radiosity map and then pass it around. This would solve the randomization
issues. just passing a seed value would only work if all the machines had
the same radomize function.

Alan

"Chris Huff" <chr### [at] maccom> wrote in message
news:chrishuff-CE60D9.14082128062000@news.povray.org...
> In article <8F619D6A0dashixpressnet@204.213.191.228>, das### [at] x-pressnet
> (daishi) wrote:
>
> > but if you use the same settings on all the machines it shouldn't be an
> > issue, should it?
>
> No, because radiosity is view dependant, and also because it relies on
> randomized sampling, caching data, as well as generating data on the
> fly, each square will have shading which is a little bit different from
> it's neighbors. Similar problems may exist for other features.
>
> --
> Christopher James Huff - Personal e-mail: chr### [at] maccom
> TAG(Technical Assistance Group) e-mail: chr### [at] tagpovrayorg
> Personal Web page: http://homepage.mac.com/chrishuff/
> TAG Web page: http://tag.povray.org/

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