Grey Knight wrote:
> Here's the code for a flat iris extracted from my archives, maybe
> you can modify it while I'm away.

Er?  Point 1: I use Moray to make my scenes, and don't really get
into hand coding...  Point 2: However, I do see some math in there
that might be helpful to have a straight explanation of what you're
doing to accomplish the task with some simple formulas (of the
'plug in this number and out comes this other number' variety)
Maybe a nice diagram...
-- 
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------

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