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From: austin@hotsht.dec.com
Newsgroups: comp.graphics
Subject: GKS book "Device Independent Graphics" by Sproull et. al.
Message-ID: <558@mountn.dec.com>
Date: 7 Aug 89 20:02:38 GMT
Sender: news@mountn.dec.com
Organization: Digital Equipment Corporation
Lines: 14


	Has anyone successfully run the example 3-D programs appearing 
in the book "Device Independent Graphics" by Sproull et. al.  I tried 
running the programs "showWedge", and "showFcn" but had problems with 
color representation and clipping.

	When I run the showFcn program on page 382, I get an error:
"Illegal color representation."  When I run either program with clipping 
turned on, only a small dot appears on the screen.  When I turn the
clipping off, the program runs ok.

- Cathy Austin

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