Quote - Maybe this site sheds some light on what's going on within Poser's Firefly renderer...
www.steckles.com/reyes1.html

Yep! Thanks for that. That actually clarifies what they mean by dicing (although I began to suspect it was something along those lines).

I'm still quite unclear how they do the smoothing, though, and haven't found any useful information in any of the descriptions of the Reyes algorithm I've seen.

-- I'm not mad at you, just Westphalian.