polygons that share a common boundry(?)

[Josef Fuerst]

> 
> 
> Lets say you have two areas separated by a single line:
> 
>         ____________________
>         |       |          |
>         |       |          |
>         |  1    |    2     |
>         |       |          |
>         --------------------
> 
> I brought these areas in to Grass via v.in.dxf, I now want to convert tis
> into two labled areas without having to digitize the polygons in v.digit.
> If this can't be done in Grass directly, does anyone know if Arc/Info can
> do it?
> 
ARC/INFO certainly can do it. It has a DXFARC import, and then you must
BUILD cover POLY to get a clean polygon topology.

J. Fuerst
Internet: fuerst at donau.boku.ac.at