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Re: delaunay triangulation

To: Ranjan Maitra <maitra@math.umbc.edu>
Subject: Re: delaunay triangulation
From: Prof Brian Ripley <ripley@stats.ox.ac.uk>
Date: Wed, 19 Dec 2001 08:22:20 +0000 (GMT)
Cc: S-news <s-news@wubios.wustl.edu>
In-reply-to: <Pine.LNX.4.31.0112190800030.3751-100000@gannet.stats>
Sorry, I missed out something crucial here.

tripack is an R package on CRAN whose source code (in Fortran) can easily
be used in S-PLUS.

B

On Wed, 19 Dec 2001, Prof Brian Ripley wrote:

> On Tue, 18 Dec 2001, Ranjan Maitra wrote:
>
> > Dear list,
> >
> > I have five points on an unit square and I would like to be able to
> > draw the Voronoi polygons (similar to Delaunay triangulation/Dirichlet
> > tesselation) with these. Can this be done in Splus/R using linux?
>
> See package tripack.
>
> I am not sure which you want of `Delaunay triangulation' and
> Dirichlet tessellation aka Voronoi polygons, but tripack covers both.
>
>
> > There is some code on Statlib by Rolf Turner but that uses ratfor
> > which I don't have.
>
> A Fortran version exists in the source code for my S+ for Windows port at
> http://www.stats.ox.ac.uk/pub/MASS3/Winlibs/delaunay.zip

-- 
Brian D. Ripley,                  ripley@stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595


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