From: Joshua
Subject: Simple Concave Polygon Package
Date: Tue, 07 Feb 2006 16:58:13 +0000
Message-ID: <1139331493.334641.26760@f14g2000cwb.googlegroups.com>

Hello,

I'm new to Lisp, and was interested in finding a package that can
calculate two-dimensional simple concave polygon intersections and
areas.  Does anyone know of any that exist?

Best Regards,

Joshua