[GRASS-user] Removing detail from polygons

[Markus Neteler]

It is v.clean with the "prune" option.
You have to play with the threshold to get a reasonable
result (which depends on the map scale).

Markus

On Tue, Jul 25, 2006 at 10:03:55AM +0200, Jachym Cepicky wrote:
> v.clean
> 
> jachym
> On Tue, Jul 25, 2006 at 09:46:07AM +0200, Jose Gomez-Dans wrote:
> > Hi!
> > I have a large shapefile with polygons. It takes a long time to load
> > it into GRASS with ogr, but my question is other. I only need to use
> > this polygon for drawing "informal" maps (i.e., they don't need to be
> > accurate). The detail of these polygons is huge, so that if I use plot
> > them with GMT or any other tool, I get massive EPS files. I don't need
> > most of those vetices. Ideally, I'd like to specify some distance so
> > that I get a single line, rather than a myriad lines. I thought
> > v.clean could do this, but I am unsure whether it is the right tool or
> > not.
> > 
> > Any information?
> > Cheers,
> > Jose