Ron Parker wrote:
> If we knew where the surfaces were, we wouldn't need to trace rays
> at all. As it turns out, we don't know where they are.

But they're defined by mathematical formulae.  You know (or can find
out) exactly where the surface is by solving for the formula.

As I pointed out earlier, POV is a honking big souped-up fancy
graphing calculator.  With colour.

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

-----BEGIN GEEK CODE BLOCK-----
Version: 3.12
GFA dpu- s: a?-- C++(++++) U P? L E--- W++(+++)>$
N++ o? K- w(+) O? M-(--) V? PS+(+++) PE(--) Y(--)
PGP-(--) t* 5++>+++++ X+ R* tv+ b++(+++) DI
D++(---) G(++) e*>++ h+ !r--- !y--
------END GEEK CODE BLOCK------

Post a reply to this message