[GRASS-user] RE: Problem querying layers other than '1' in gi s.m

[Radim Blazek]

On 9/22/06, Moritz Lennert <mlennert at club.worldonline.be> wrote:
> > There are more, examples:
> > - Overlapping areas, e.g. a road on a bridge and a road below
> > - Many records with different time for the same point
>
> Both of these examples use different layers to store information, not
> different category values in the same layer, or ?

No. One layer, more cats per geometry.

Radim