[R-sig-Geo] 3D map

[Mihai Nica]

Yes, I kind of thought about that myself... Thanks! I will just drop it.

Mihai Nica, ABD
Jackson State University
170 East Griffith Street G5
Jackson, MS 39201
601 914 0361





>From: Roger Bivand <Roger.Bivand at nhh.no>
>Reply-To: Roger.Bivand at nhh.no
>To: "Edzer J. Pebesma" <e.pebesma at geo.uu.nl>
>CC: Mihai Nica <m_nica at hotmail.com>,  <r-sig-geo at stat.math.ethz.ch>
>Subject: Re: [R-sig-Geo] 3D map
>Date: Sat, 29 Oct 2005 09:45:29 +0200 (CEST)
>
>On Sat, 29 Oct 2005, Edzer J. Pebesma wrote:
>
> > Mihai Nica wrote:
> >
> > >Could someone advise about a way to draw a 3D map... say the map of US
> > >states having as elevation the number of people in each state. Am I 
>missing
> > >something? A 3D map search revealed nothing helpful.
> > >
> > >Thanks,
> > >
> > >mihai
> > >
> > >Mihai Nica, ABD
> > >Jackson State University
> > >170 East Griffith Street G5
> > >Jackson, MS 39201
> > >601 914 0361
> > >
> > >_______________________________________________
> > >R-sig-Geo mailing list
> > >R-sig-Geo at stat.math.ethz.ch
> > >https://stat.ethz.ch/mailman/listinfo/r-sig-geo
> > >
> > >
> > You may want to try persp, or wireframe in lattice.
>
>That was what I thought first, but I think it actually is the 3D histogram
>or exploding pie chart question, how to make a 3D representation of
>columns of regular or irregular polygons scaled by some z variable in
>height. The reader will see different things depending on viewing point
>and height, I would not in general recommend it as either a presentation
>or analytic graphic.
>
>Roger
>
> > --
> > Edzer
> >
> > _______________________________________________
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> > R-sig-Geo at stat.math.ethz.ch
> > https://stat.ethz.ch/mailman/listinfo/r-sig-geo
> >
>
>--
>Roger Bivand
>Economic Geography Section, Department of Economics, Norwegian School of
>Economics and Business Administration, Helleveien 30, N-5045 Bergen,
>Norway. voice: +47 55 95 93 55; fax +47 55 95 95 43
>e-mail: Roger.Bivand at nhh.no
>