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From: dave@sgi.com (dave "who can do? ratmandu!" ratcliffe)
Newsgroups: comp.sys.sgi
Subject: Re: Alpha blending ...
Keywords: Intersecting polygons, alpha blend
Message-ID: <1990Sep5.184608.24861@odin.corp.sgi.com>
Date: 5 Sep 90 18:46:08 GMT
References: <1990Sep5.151623.12906@ux1.cso.uiuc.edu> <1990Sep5.171056.23011@odin.corp.sgi.com>
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Organization: Silicon Graphics, Inc., Mountain View, CA
Lines: 26

In article <1990Sep5.171056.23011@odin.corp.sgi.com> robert@sgi.com writes:
>
>In article <1990Sep5.151623.12906@ux1.cso.uiuc.edu>,
>gautamm@kandinsky.ncsa.uiuc.edu (Gautam Mehrotra) writes:
>|> Is there any way I can use the alpha blending hardware to display 
>       .............
>You should use Z-buffering instead.  The Z buffer does hidden surface
>elimination at each individual pixel, so intersecting primitives are
>no problem.  Its a snap to use, just do this 
>
>	zbuffer( TRUE );
>	gconfig();

  correction:  it is not necessary to include a call to "gconfig();"
  after calling "zbuffer(TRUE);".  jury, strike the above reference to 
  gconfig(); from your collective minds.
--
                                             daveus rattus   

                                   yer friendly neighborhood ratman

                              KOYAANISQATSI

   ko.yan.nis.qatsi (from the Hopi Language)  n.  1. crazy life.  2. life
     in turmoil.  3. life out of balance.  4. life disintegrating.  
     5. a state of life that calls for another way of living.