[R-sig-Geo] sp basics !

[Dylan Beaudette]

On Monday 28 January 2008, Edzer Pebesma wrote:
> Hi Didier,
>
> no, right now there's no such distance function in R, afaik. I must
> admit that it would be nice.
> --
> Edzer
>
> Didier Leibovici wrote:
> > Hi all,
> > I am still novice in using sp and/or Maptools and  I find difficult to
> > locate basic tutorials and general description ...
> > I am probably some good source of info?
> >
> > My problem is very simple and I brlieve it covers some basic handling of
> > "GIS" data desirable in geoR:
> >
> > I would like to read some shapefiles of polygons( I know how to do that)
> > and loop through all the polygons to be able to compute the shortest
> > distance to one another (fix) polygon
> > e.g. distance to the sea or to a montain
> > -I had at one point a polylist but probably I need to have "consistant"
> > polygon for each element of the list ?
> > -is there any distance method supported by a class "polygon" which can
> > compute the distance to another geometry?
> >
> > thanks
>

Not sure if it is exactly the same, but you might check the spatstat package:

http://www.spatstat.org/spatstat/current/Quickref.pdf

cheers,

Dylan


-- 
Dylan Beaudette
Soil Resource Laboratory
http://casoilresource.lawr.ucdavis.edu/
University of California at Davis
530.754.7341