Xref: utzoo comp.graphics:4476 sci.math:5695 comp.sources.wanted:6369 Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!rutgers!mcnc!thorin!zeta!leech From: leech@zeta.cs.unc.edu (Jonathan Leech) Newsgroups: comp.graphics,sci.math,comp.sources.wanted Subject: Re: looking for a fast ellipse algorithm Keywords: ellipse, graphics, circle Message-ID: <6755@thorin.cs.unc.edu> Date: 15 Feb 89 14:10:43 GMT References: <399@peritek.UUCP> <1311@ndmath.UUCP> <11081@s.ms.uky.edu> Sender: news@thorin.cs.unc.edu Reply-To: leech@zeta.UUCP (Jonathan Leech) Organization: University Of North Carolina, Chapel Hill Lines: 17 Summary: Expires: Sender: Followup-To: Distribution: In article <399@peritek.UUCP>, dig@peritek.UUCP (David Gotwisner) writes: > > I am looking for an algorithm (or code) which will allow circle > generation onto a graphics device which drives a monitor with non-square > pixels. Two related papers: _An Improved Algorithm for the Generation of Nonparametric Curves_, Bernard Jordan et al., IEEE TOC Vol. C-22, #12, Dec. 1973 _Algorithm for drawing ellipses or hyperbolae with a digital plotter_, M. Pitteway, Computer Journal, V. 10 (1967-68), p. 282 -- Jon Leech (leech@cs.unc.edu) __@/ ``You're everything I ever wanted in a human AND an extraterrestrial.'' - Dr. Steve Mills in _My Stepmother is an Alien_