Re: [R-sig-Geo] agenda for R's Geo capabilities?

2007-03-18 Thread Tim Keitt
I agree GEOS support would be welcome. I'd be happy to help out if anyone takes this on. I've been thinking of a possibly quicker (devel time) solution lately since I've been using PostGIS a lot. One could have a postgis package that copies 'sp' object into postgis and then provides postgis functi

Re: [R-sig-Geo] Shape to AscGrid

2007-03-18 Thread Roger Bivand
On Sat, 17 Mar 2007, Milton Cezar Ribeiro wrote: > Dear helpers > > I need convert a shape file to AscGrid format. How can I select a field, > convert to AscGrid and save as ascii file? This should work: library(maptools) xx <- readShapePoly(system.file("shapes/sids.shp", package="maptools")[1]