question on gl

dave "who can do? ratmandu!" ratcliffe dave at sgi.com
Wed Apr 3 01:01:25 AEST 1991


In article <14144 at medusa.cs.purdue.edu> avr at cs.purdue.EDU (Andrew V. Royappa) writes:
>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, 
yep--this *is* the case -1.0 to 1.0 for x, y, *and* z clipping.

>           or are the box's bounds given by something else
>e.g. -1.0<=x,y<=1.0 and 0.0<=z<=1.0 ? 
nope.  this is not the case.
--
                                             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.



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