See below. Haven't tried this yet. Yes that is what CGAL stands for.
Murray Hi Murray, Regarding the first question, you can read into R first and then output it again. You could also call ogr2ogr using a system call like: system("ogr2ogr normal syntax stuff") cheers, Paul G. Allegri wrote: > Hi Murray. > About the first question. As far as I understand, you're working in R > on a *imported* PostGIS layer (I suppose you use rgdal to do it, > right?). Then you would need to export it to a shapefile (easily done > with writeOGR). Why are you considering the use of ogr2ogr? As you > probably know, it's a binary callable from a command line, and it's > not possible (AFAIK) to do it from R... > > I dont' understand your second question... > >> Or even better could ogr be used to do this directly on a postGIS layer? >> > What do you mean? > > Giovanni > > _______________________________________________ R-sig-Geo mailing list R-sig-Geo@stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-sig-geo