Tim Nikias v2.0 wrote:

>> 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.
> 

Right, thanks, much clearer now, I've switched to "always_sample off"
in both passes.

I read your page, it just makes me realise I need to go back and re-read
the radiosity sections in the manual, and make notes :-)

> Regards,
> Tim
> 

-- 
Bill Hails
http://thyme.homelinux.net/

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