[GRASS-user] r.to.vect to selected locations only

[Nikos Alexandris]

On Mon, 2008-06-23 at 10:25 +0200, Markus Neteler wrote:
> On Mon, Jun 23, 2008 at 5:46 AM, maning sambale
> <emmanuel.sambale at gmail.com> wrote:
> ...
> > What I need is to, limit raster to vector conversion to the desired
> > randomly selected locations only. So that r.to.vect could complete the
> > conversion.
> 
> Did you try to set a raster mask (r.mask)? It should be respected
> by r.to.vect.
> 
> Markus

Dear all,

I recently had to think about a similar problem. But the question
remain... how can raster areas be selected based on vector points that
fall inside them?

So one can build an optimal MASK.

Thank you,

Nikos