[GRASS-user] getting closed boundary line

[Hamish]

temiz wrote:
> Maciej Sieczka wrote:
> > temiz wrote:
> >> how can I get perimeter line of an area (as closed boundary line)?

Maciek:
> > v.to.db
>
> thank you for your interest
> 
> If I am not mistaken, v.to.db produces  perimeter  as value.
> I need only border  "line"  of an area  (as graphic).
> 
> I am going to use it as GMT mask.

[Luca/Maciek answered: v.category + v.extract]


see also v.hull and v.in.region.



Hamish