Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!elroy.jpl.nasa.gov!ncar!gatech!ncsuvx!ncsuvm!opmanoj
From: OPMANOJ@ncsuvm.ncsu.edu
Newsgroups: comp.sys.sgi
Subject: help - problems with zbuffer
Message-ID: <90320.014854OPMANOJ@ncsuvm.ncsu.edu>
Date: 16 Nov 90 06:48:53 GMT
References: <68651@bu.edu.bu.edu>
Organization: North Carolina State University Computing Center
Lines: 12

Hi,
   I am having problems using the zbuffer on our PI.

   When it "works", edges with the same depth value are broken up. Yes, I left
the zfunction as less than or equal to (the default).

   If I use zbuffer with "perspective" and "lookat" I get no hidden surface
elimination at all. If I just comment out the perspective call - works fine.

                  Thanks for any help you can give me,

                                 Manoj Patel