[GRASS-user] Importing vectors (polygons) without building topology

[Jarek Jasiewicz]

Hernán De Angelis napisa?(a):
> Dear list,
>
> I have a bunch of PostGIS layers (polygons) that I want to import into GRASS. 
> These polygons represent palaeogeographic features and therefore they 
> necessarily overlap over some regions (different entities are distinguished 
> by attributes in the attribute table). Since v.in.ogr automatically builds 
> topology by default, a secondary layer is generated during import where the 
> the overlapping sectors of the polygons are cut and stored. Whereas this 
> might be useful for a wide range of applications it is certainly not 
> desirable in my case, since it destroys the palaeogeographic representation. 
> My question is therefore: how can I import these shapefiles and avoid topology 
> building at the same time? I understand that exporting the tables as text and 
> importing them using v.in.ascii might be an option, but I would rather prefer 
> to preserve the carefuly designed attribute tables as they are, without 
> having to regenerate them.
>
> I have been thinking in this problem during a couple of days without coming to 
> a decent solution, so I hope someone can give me a hint on this.
>
> I am using GRASS 6.0.2 RC4 in OpenSuSE 10.0.
>
> Thanks in advance
>
> Hernán
>
>
>
>
>
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