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access to perspective routines

  • To: mathgroup at
  • Subject: [mg132689] access to perspective routines
  • From: christopher arthur <chris.arthur1 at>
  • Date: Mon, 5 May 2014 03:02:48 -0400 (EDT)
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  • Reply-to: chris.arthur1 at


I'm thinking about changing an aspect of the way mathematica computes 
perspective 3D-graphics.  What I would like to do is define a function 
that operates on my polygons differently depending on whether they are 
visible or not from the current viewpoint.  It might be as simple as 
just being able to Sow[] the polygons into two groups.


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