Hi Margherita, give a look at r.watershed r.terraflow r.flow Good luck,
milton 2009/7/10 Margherita Di Leo <[email protected]> > Hi Jachym, > > Thank you very much for your answer. > > I think I was not very clear in explaining my problem. I have to calculate > distance from a line, but the distance has to be calculated *following a > path*, defined by a matrix of direction, as a 'flow direction' in hydrology. > It would be a very useful hydrological tool. > > Cheers > > m. > > > > Jachym Cepicky wrote: > >> Hi, >> >> would [1] help ? >> >> >> [1] >> http://grass.osgeo.org/grass64/manuals/html64_user/r.grow.distance.html >> >> Jachym >> >> On Thu, Jul 09, 2009 at 03:29:40PM +0200, Margherita Di Leo wrote: >> >> >>> Hi List! >>> >>> I was wondering if there is a way to obtain a (raster) map of distances >>> from a point or a line, in which the path is defined by a map (i.e. a flow >>> direction). >>> It would be very useful for me! >>> >>> Thank you in advance. >>> >>> Cheers >>> m. >>> >>> >>> >> > > -- > Eng. Margherita Di Leo > Ph.D. Student Methods and Technologies for Environmental Monitoring > Department of Environmental Engineering and Physics (DIFA) > > University of Basilicata Campus Macchia Romana > 85100 - Potenza Italy > > Office: +39-0971205363 > Fax: +39-0971205160 > E-mail: dileomargherita AT gmail DOT com > Skype: dileomargherita > URL: > http://www.difa.unibas.it/A_Manager_PP.do?azione=visualizzaHomePage&id=106 > > > > > > _______________________________________________ > grass-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/grass-user >
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