Re: [R-sig-Geo] sp basics !

2008-01-28 Thread Roger Bivand
Hi Didier, On Mon, 28 Jan 2008, 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? > The most recent public ones are from the Imperial College co

Re: [R-sig-Geo] sp basics !

2008-01-28 Thread 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 > > loc

Re: [R-sig-Geo] sp basics !

2008-01-28 Thread Edzer Pebesma
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 so

[R-sig-Geo] Calculating map orientations

2008-01-28 Thread hadley wickham
Hi all, I was wondering if anyone knows how the default orientations are calculated in the mapproj package. I need this for my ggplot2 package because when you are drawing maps with multiple layers of data you (obviously) have to calculate the orientation over all data, not just the data points i

[R-sig-Geo] sp basics !

2008-01-28 Thread Didier Leibovici
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 s

Re: [R-sig-Geo] kernel density estimation to google earth

2008-01-28 Thread Roger Bivand
On Mon, 28 Jan 2008, G. Allegri wrote: > Thanks, a really interesting post. > May I ask a stupid question? Where are the following function documented? > > getPolygonCoordsSlot(getPolygonsPolygonsSlot(getSpPpolygonsSlot(poly.shp > )[[1]])[[1]]) > > They are in the sp package but I can't find refer