Invisible wrote:
> Yes, because crude approximations to cylindrical columns look so much 
> more photo-realistic than actually cylindrical columns. Oh, wait...

Consider what happens if your "approximation" results in sub-pixel-sized 
triangles. Then it becomes no more an approximation than yours does, 
considering *your* picture is also made out of pixels.

-- 
Darren New, San Diego CA, USA (PST)
   Human nature dictates that toothpaste tubes spend
   much longer being almost empty than almost full.

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