Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 6/24/83; site srcsip.UUCP Path: utzoo!watmath!clyde!burl!ulysses!mhuxr!mhuxn!ihnp4!stolaf!umn-cs!mmm!srcsip!meier From: meier@srcsip.UUCP (Christopher M. Meier) Newsgroups: net.graphics Subject: Re: Polygon-polygon clipping Message-ID: <2215@srcsip.UUCP> Date: Mon, 18-Nov-85 19:46:54 EST Article-I.D.: srcsip.2215 Posted: Mon Nov 18 19:46:54 1985 Date-Received: Thu, 21-Nov-85 05:31:55 EST References: <255@h.cs.cmu.edu> <177@octopus.UUCP> <958@turtlevax.UUCP> Reply-To: meier@srcsip.UUCP (Christopher M. Meier) Organization: Honeywell SRC (SIP), Mpls MN Lines: 27 Summary: In article <958@turtlevax.UUCP> ken@turtlevax.UUCP (Ken Turkowski) writes: >In article <177@octopus.UUCP> pete@octopus.UUCP (Pete Holzmann) writes: >>If anybody has an algorithm on clipping a polygon to a polygon, I'd like >>the reference also. Thanks! > >You should take a look at the Weiler-Atherton Algorithm. > >Weiler, Kevin and Atherton, Peter, "Hidden Surface Removal Using >Polygon Area Sorting", Computer Graphics, Vol. 11, pp. 214-222, 1977 >(Proc. SIGGRAPH '77) > >Weiler, Kevin, "Hidden Surface Removal Using Polygon Area Sorting", >Masters Thesis, Program of Computer Graphics, Cornell University, >January 1978 > >Weiler, Kevin, "Polygon Comparison Using a Graph Representation", >Computer Graphics, Vol. 14, pp. 10-18, 1980 (Proc. SIGGRAPH '80) > >Rogers, David F., 259-264, Procedural Elements for Computer Graphics, >McGraw-Hill 1985, pp. 179-185 If memory serves correct, the Weiler-Atherton Algorithm is in the Foley & Van Dam book on Graphics. -- Christopher Meier MN17-2357 Honeywell, Inc. Systems & Research Center 2600 Ridgeway Pky. Signal & Image Processing Mpls, MN 55413 Artificial Intelligence Technology {philabs,ihnp4!umn-cs}!srcsip!meier