[GRASS-user] Multiple v.net.path parameters
stattonet at yahoo.com
Tue Jun 30 23:24:55 EDT 2009
Well, I will have a database with thousands of points and I don't want to create thousands of vector files. Plus, I'm worried I will lose the length data if I use v.patch, which is what I am most interested in.
I will contact Daniel. Thanks for the tip.
--- On Tue, 6/30/09, Hamish <hamish_b at yahoo.com> wrote:
> From: Hamish <hamish_b at yahoo.com>
> Subject: Re: [GRASS-user] Multiple v.net.path parameters
> To: grass-user at lists.osgeo.org, "J. Holden" <stattonet at yahoo.com>
> Date: Tuesday, June 30, 2009, 8:01 PM
> J. Holden wrote:
> > I am looking to use v.net.path to determine the
> distance of
> > many different points to many different other points
> on a
> > network.
> > Is it possible to send multiple parameters to
> > For instance, I have (in theory) 4 points connected to
> > network. I want to find the distance of the line
> > between points 1 and 4, 2 and 4, & 3 and 4.
> run 3 times and then combine with v.patch?
> > I want to:
> > run v.net.path once by passing multiple parameters;
> > get vector line output of each of these three paths
> > by v.net.path in one output file;
> > calculate the distance of each line from the file
> > v.to.db.
> > Since this is not a module of GRASS which I have
> > with in the past, I am wondering if this is possible.
> IIUC something like this has newly been worked on as part
> of the
> Google Summer of Code project by Daniel Bundala.
> you might want to contact him and act as a beta tester for
> new modules. (find him on the OSGeo SoC mailing list)
More information about the grass-user