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From: turk@Apple.COM (Ken "Turk" Turkowski)
Newsgroups: comp.graphics
Subject: Re: Wanted: Fast Transformations of 3D Clipping Planes
Message-ID: <9714@goofy.Apple.COM>
Date: 13 Aug 90 08:19:38 GMT
References: <628@stdc01.UUCP>
Organization: Advanced Technology Graphics, Apple Computer, Cupertino, CA, USA
Lines: 17

In article <628@stdc01.UUCP> uucp!rti.rti.org!stdc01!rivera  (Greg Rivera) writes:
>Wanted:
>	a) Fast ways to transform plane equations through arbitrary
>	matrices, OR
>	b) Fast ways to transform eye-clipping planes so I can do
>	clipping in some other coordinate space (still in 3D)
>
>...

See my paper on "Properties of Surface Normal Transformations"
in Academic Press's new Graphics Gems book.
A plane is very similar to a normal.
-- 
Ken Turkowski @ Apple Computer, Inc., Cupertino, CA
Internet: turk@apple.com
Applelink: TURK
UUCP: sun!apple!turk