On 2/13/2007 10:10 AM, Roger Bivand wrote: > On Tue, 13 Feb 2007, ONKELINX, Thierry wrote: > >> Have you tried the tri-package? > > Perhaps the GPC C library used in the gpclib package, and in PBSmapping > will get closer - it partitions polygons into tristrip sets.
That would be just what I need. Thanks! Duncan Murdoch > >> >> Cheers, >> >> Thierry >> >> ------------------------------------------------------------------------ >> ---- >> >> ir. Thierry Onkelinx >> Instituut voor natuur- en bosonderzoek / Reseach Institute for Nature >> and Forest >> Cel biometrie, methodologie en kwaliteitszorg / Section biometrics, >> methodology and quality assurance >> Gaverstraat 4 >> 9500 Geraardsbergen >> Belgium >> tel. + 32 54/436 185 >> [EMAIL PROTECTED] >> www.inbo.be >> >> >> Do not put your faith in what statistics say until you have carefully >> considered what they do not say. ~William W. Watt >> A statistical analysis, properly conducted, is a delicate dissection of >> uncertainties, a surgery of suppositions. ~M.J.Moroney >> >> -----Oorspronkelijk bericht----- >> Van: [EMAIL PROTECTED] >> [mailto:[EMAIL PROTECTED] Namens Duncan Murdoch >> Verzonden: dinsdag 13 februari 2007 15:27 >> Aan: [email protected] >> Onderwerp: [R] Polygon triangulation? >> >> Can anyone point me to a package that contains code to triangulate a >> polygon? This is easy if the polygon is convex, but tricky if not. One >> >> algorithm to do it is due to Meister, and is described here: >> >> www.math.gatech.edu/~randall/AlgsF06/planartri.pdf >> >> Duncan Murdoch >> >> ______________________________________________ >> [email protected] mailing list >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide >> http://www.R-project.org/posting-guide.html >> and provide commented, minimal, self-contained, reproducible code. >> >> ______________________________________________ >> [email protected] mailing list >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html >> and provide commented, minimal, self-contained, reproducible code. >> > ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
