[R] GIS and R

Ross Ihaka ihaka at stat.auckland.ac.nz
Fri Oct 27 22:21:24 CEST 2000

On Fri, Oct 27, 2000 at 11:53:55AM +0100, Sam Brown wrote:
> Dear All,
> Does anyone know of any GIS packages for R? I know that there are
> GIS facilities for S-Plus (eg Arc Info), and am looking for freeware
> equivalents.

Its not really GIS, but ...

I've been working with some students on getting the Becker-Wilks "Maps
in S" code working in R.   This is primarily a database for efficiently
storing and retrieving polygons.  There is also some projection and
plotting code.  BW converted and cleaned up the CIA world map, and
provided software for constructing other databases.  There are a couple
of papers at:


The second of these describes some nifty work by Allan Wilks for
building polygon databases from unstructured data.

I'm also just linked up with Nicholas Lewin to put together an R library
for reading, writing, plotting and manipulating shapefiles.

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