> Ah, but if I'm using "always_sample on" in the first pass, will that
> interact with antialiasing at all when generating the radiosity
> save file? and does it matter?

AFAIK, yes, all Radiosity samples will be saved to disk once the render
completes, but I'm not 100% sure of that. I strictly switch always_sample
off on the second, to make sure that I don't get any random samples when
doing the smoothening mentioned in the link.
As for antialiasing: due to the antialiasing technique, POV-Ray will send
several more rays to a single pixel, and thus *might* find a point where it
wants another sample, which it wouldn't find if it weren't using
antialiasing. But then again, radiosity isn't really a per-pixel effect,
since the samples are spread almost evenly across the visible scene, so it
shouldn't really matter that much.

Regards,
Tim

-- 
"Tim Nikias v2.0"
Homepage: <http://www.nolights.de>

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