On Sun, Feb 9, 2014 at 8:13 PM, David Montoya <[email protected]> wrote:
> Hi, I have a question. I need to generate a table that says which polygons > bordering to each one, for example: > > ID1 ID2 1 3 1 2 2 1 2 4 3 1 3 4 3 5 > 4 2 4 3 4 6 5 3 5 6 6 4 6 5 > In this case the polygon 1 borders with the polygons 3 and 2, and so on. > How can I do that in Grass? > > The module v.to.db offers a "sides" option, perhaps that's useful here. For an (un)related example, see http://grasswiki.osgeo.org/wiki/Vector_length_of_common_boundaries Rather the length you could then just retrieve the IDs. Hope this points you into the right direction, Markus
_______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
