Nicolas Alvarez <nicolas.alvarez [at] gmail is the best com> wrote:
> I usually do this for photons:
> #if (file_exists("cups-wip2.phm"))
> load_file "cups-wip2.phm"
> #else
> save_file "cups-wip2.phm"
> To re-generate, I delete the file :)
but if you want to play with radiosity for a bit and not use photon mapping, you
shouldn't need to delete it just for that. :)
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