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From: avr@cs.purdue.EDU (Andrew V. Royappa)
Newsgroups: comp.sys.sgi
Subject: question on gl
Message-ID: <14144@medusa.cs.purdue.edu>
Date: 2 Apr 91 03:47:19 GMT
Distribution: usa
Organization: Department of Computer Science, Purdue University
Lines: 11

The gl graphics user's guide says that the perspective & viewing
transformations transforms the perspective pyramid into the box 
-1.0 <= x,y,z <= 1.0, to facilitate clipping. Is this in fact
the case, or are the box's bounds given by something else
e.g. -1.0<=x,y<=1.0 and 0.0<=z<=1.0 ? 

			Thanks,

				Andrew
				avr@purdue.edu
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