[Qgis-user] SUM line lengths - QGIS 1.7.4

[Giovanni Manghi]

On Wed, 2012-06-20 at 16:35 +0200, Zoltan Szecsei wrote:
> Thanks to both Leyan and Nathan for their contribution, but it would
> be really nice if someone could shed  light on the workings and
> efficacy of using
> Vector->Analysis Tools->Sum Line Lengths

ex: know the length of all the roads/rivers in a certain region. Make
any sense?

cheers

-- Giovanni --