[GRASS-user] Table of polygons bordering each one

[David Montoya]

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?

Thanks in advance for your help

-- 
David Montoya González
Ing. Forestal, Universidad Nacional de Colombia
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