Ron Parker wrote:
> Not in every case.  Some things have to be approximated, which
> is a messy and expensive task.  Examples include the poly object
> for higher-order polynomials, the isosurface object, and lots of
> others.

So because it can't be done for everything, it isn't done at all.
Gotcha.

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

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