Ron Parker wrote:
> Supersampling over a single screen pixel isn't enough to resolve fine
> details if they're magnified by reflections or refractions.

Since it's all math anyways, and you already know where the surfaces
are...can't you do a trace along the edges instead of a grid of rays?
If there's a reflective surface, can you spawn a new set of rays and
shoot them and do their edgetrace for those fine details?

No, I don't know what I'm talking about, no I probably don't want
to know how long such a thing would take to render if it's longer
than existing methods.

-- 
Tim Cook
http://empyrean.scifi-fantasy.com

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