[GRASS-user] Calculating Length Between Points On Stream Network

Dylan Beaudette dylan.beaudette at gmail.com
Sat Feb 27 17:27:28 EST 2010


Hi Richard,

Try the v.net.* modules.

Cheers,
Dylan

On Sat, Feb 27, 2010 at 11:09 AM, Rich Shepard <rshepard at appl-ecosys.com> wrote:
>  I have a vector map of a stream network and want to find the distance
> between two points on the main stem. I have the geographic coordinates of
> each point on the line representing the stream. I tried v.what but I'm not
> comfortable that gave me the correct answer.
>
>  The line between the two points is multiple segments where there are
> confluences with feeder streams.
>
>  What module, used with the GUI or on the command line, will allow me to
> calculate the distance along the stream between two identified points?
>
> Rich
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