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Date: Wed, 24 Mar 93 12:07:24 -0500
From: jgg@proforma.com (J. G. Gregory)
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To: rman@aero.org
Subject: Hidden-line removed line drawings?

I have an immediate need to generate hidden-line removed line drawings  
of objects being modeled in the NeXT 3Dkit.  Screen-grabbed images come  
out too dark, and the picture is bad.  What I really need is PostScript  
output.  Currently, I would be happy with just planar polygon support.   
I would even give up concave polygons and polygons with holes if I have  
to.

1. Is there any commercial product that does this (in the NeXT arena)?

2. Are there public-domain hidden-line removal codes?

3. Is there any hope for 3Dkit support for this?

Thanks in advance...
--J Gregory