[GRASS-user] v.net option connect

[ivan marchesini]

oh....
yes...

I supposed it was a stupid question  :-)

Thanks... Martin...

ciao



Il giorno mer, 23/07/2008 alle 16.05 +0200, Martin Landa ha scritto:
> Ciao Ivan,
> 
> 2008/7/23 ivan marchesini <marchesini at unipg.it>:
> > I have a network of 6379 roads
> > I have a map with a single point
> >
> > I run:
> >
> > v.net input=road points=point operation=connect output=connected_point
> > thresh=(very high thresh) alayer=1 nlayer=2
> >
> > then (to check the output):
> >
> > v.build connected_point
> >
> > and I see that the number of lines is 6381
> >
> > i.e. the module v.net creates two lines for one point???
> 
> the network arc(edge) need to be splitted, e.g.
> 
> ------------------
> 
>           +
> 
> ->
> 
> --------+---------
>            |
>            |
>           +
> 
> In this case you get two lines more.
> 
> Cheers, Martin
> 
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Ivan Marchesini
Department of Civil and Environmental Engineering
University of Perugia
Via G. Duranti 93/a 
06125
Perugia (Italy)
Socio fondatore GFOSS "Geospatial Free and Open Source Software" http://www.gfoss.it
e-mail: marchesini at unipg.it
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