[GRASS-user] Re: Closed Areas

Markus Metz markus.metz.giswork at googlemail.com
Mon Nov 29 09:36:14 EST 2010


pipppoo wrote:
>
>
> What I really need is one area for every boundary.

In a topological vector environment such as grass this is not possible
for (fully) overlapping areas.

> The reason is that I want
> to compute the overlap of the areas, just like done here:
> http://grass.osgeo.org/wiki/Vector_Overlapping_Areas
> http://grass.osgeo.org/screenshots/vector.php (Overlapping Areas)
>
Well, you could try to do it just like done there if you first export
the boundary vector (without centroids) to a shapefile and then
reimport the shapefile using the commands in the links above.

Can't think of anything else to get the overlap of the areas.

Markus M


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