[GRASS-user] Topology of .shp

[Hamish]

Martin du Saire wrote:
> 
> I was wondering if there was a single document that explains the 
> vectors, topology, and v.in.ogr?  In particular what are the 
> implications of the following messages:


tip:

explore errors by making just them into a new map with "v.clean error=".

maybe after "v.in.ogr -c". (but "v.in.ogr -c" + v.clean is not the same
thing as v.in.ogr without -c !)


Hamish