[GRASS-user] center line with v.generalize ?

Maris Nartiss maris.gis at gmail.com
Thu Jan 24 07:29:24 EST 2008


Just a quick idea - if vector map contains only rivers, You could try
out v.to.rast and then r.thin till You get something similar to river
and then convert back to vectors with r.to.vect.

Report, if it works.

Maris.

2008/1/24, Gabriele Nolè <gis.gn at libero.it>:
> 	
> Ah, :-(
>
> I do not think there is anything alternative.
>
> I will be careful if you solve this problem.
> However thanks
>
> Gabriele
>
>
>
>
> > On 24.01.2008 14:03, Gabriele N. wrote:
> > > I would locate the midline of the river.
> > >  So I would like to transform the polygon with the middle line.
> > >
> >
> > Ah now I get it. Unfortunately v.generalize doesn't support merging
> > (yet). Also I don't have time to work on that at the moment. Daniel
> > would you have time to implement this?
> >
> > --Wolf
> >
> > --
> >
> > <:3 )---- Wolf Bergenheim ----( 8:>
> >
> >
>
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