Colin wrote:
> Is there anyone who knows how povray is supposed to perform antialiasing
> when field rendering is switched on?

I'm not quite sure, but I think this is the way that it has to work. 
Anti-aliasing requires knowing the colors of surrounding pixels, and 
that includes pixels to the top and the bottom. The only way to know 
them is to calculate them.

Note that from your description, POV *is* saving time when you field 
render with anti-aliasing switched on: it isn't anti-aliasing the 
"unused" lines.

Jerry
-- 
http://www.hoboes.com/jerry/
"Give a man a fish and you feed him for a day. Teach him to fish, and you've
depleted the lake."--It Isn't Murder If They're Yankees
(http://www.hoboes.com/jerry/Murder/)

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