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From: npw@eleazar.dartmouth.edu (Nicholas Wilt)
Newsgroups: comp.graphics
Subject: Pitteway's Curve Tracking Algorithm
Summary: Working code wanted
Message-ID: <1991Feb26.151848.1126@dartvax.dartmouth.edu>
Date: 26 Feb 91 15:18:48 GMT
Sender: npw@eleazar.dartmouth.edu
Followup-To: email
Organization: Dartmouth College, Hanover, NH
Lines: 10

I was wondering if anyone had source code to Pitteway's curve-tracking
algorithm, an integer-only incremental algorithm for drawing arbitrary 
conic sections.  I have two good descriptions of the algorithm, but have 
had a tough time getting it to work right.

If you have source you are willing to share or a pointer to source, 
please email me.  Language matters not, it can be in LISP for all I care.

--Nick
  npw@eleazar.dartmouth.edu


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