[R-sig-Geo] LL to UTM

Edzer J. Pebesma e.pebesma at geo.uu.nl
Tue Mar 6 13:42:53 CET 2007


package rgdal provides an interface to the PROJ.4 library for projection 
of geographical data. Look for the function (or rather method) 
spTransform. It takes any of the spatial classes provided by package sp, 
and afaik any of the known projection systems, including UTM and 
ellipsoids (LL reference "model").

Gabor Grothendieck wrote:
> I am currently using this web page to convert LL to UTM (and UTM to LL).
>    http://home.hiwaay.net/~taylorc/toolbox/geography/geoutm.html
> All my points are in zone 18.  How would I accomplish the same
> thing using R?
> Thanks.
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