Hi Micha. Thank you very much. That worked like a charm. With that initial kick, I was able to create a little loop that goes through each point in my dataset, and outputs a column matrix with pairwise distances for each observation. Now, I just need to add more friction rasters.
Cheers, Anders. On 31/08/2010, at 12:32 AM, Micha Silver wrote: > On Mon, 30 Aug 2010 20:38:40 +1000 > Anders Gonçalves da Silva <[email protected]> wrote: > >> Hello all. >> >> I was wondering if anyone has a bash script that runs over all pairs >> of points in a vector file, using them each in turn as >> start_coordinate in r.cost, and as a final point in r.drain. Thank >> you. Or, something similar that I could easily modify to my purposes. >> > > You could probably start by throwing the points into a text file with > v.out.ascii, then loop thru that file with something like: > > v.out.ascii <vector> out=ascii_vector_points.txt fs=space > while read X Y ; > do <your r.cost command coord=$X,$Y>; > done < ascii_vector_points.txt > > >> Anders._______________________________________________ >> grass-user mailing list >> [email protected] >> http://lists.osgeo.org/mailman/listinfo/grass-user >> >> This mail was received via Mail-SeCure System. >> >> > _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
