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List:       r-help
Subject:    RE: [R] plot map of areas
From:       Roger Koenker <roger () ysidro ! econ ! uiuc ! edu>
Date:       2003-11-25 14:33:42
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or tripack perhaps...


url:	www.econ.uiuc.edu/~roger/my.html	Roger Koenker
email	rkoenker@uiuc.edu			Department of Economics
vox: 	217-333-4558				University of Illinois
fax:   	217-244-6678				Champaign, IL 61820

On Fri, 21 Nov 2003, Liaw, Andy wrote:

> Is the contributed package `deldir' on CRAN what you're looking for?
>
> HTH,
> andy
>
> > From: Pascal A. Niklaus [mailto:Pascal.Niklaus@unibas.ch]
> > Hi all,
> >
> > Given a number of points (x,y) in a plane, I'd like to plot a map of
> > polygons, so that
> >
> >     1) each polygon contains exactly one point
> >     2) the polygon defines the area for which this specific point is
> > closer than any other point.
> >
> > It's a bit like a map of areas "influenced" by that point, and it's
> > obviously a matter of intersecting the perpendicular
> > bisectors between
> > adjacent points.
> >
> > I believe this type of map has a name, but I can't remember how it's
> > called.
> >
> > Is there a function somewhere in a R package that may do this?
> >
> > Thanks for your help
> >
> > Pascal
>
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