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"Mike Thorn" <mik### [at] realitycheckmultimedia com> wrote in
message news:41911e3a$1@news.povray.org...
> Is it possible to run photons in two passes, similar to
> the handy method used for 2-pass radiosity?
>
> I'm just wondering if I'm going to have to run photons
> again for a highres version of my scene, or whether I can
> just load up the photon map I've saved at the small
> resolution.
Yes, it's possible.
See section 3.5.3.2.1 "Photon Global Settings" in the
manual, specifically the save_file and load_file keywords.
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