[GRASS-user] Distance map with defined path
Margherita Di Leo
diregola at gmail.com
Fri Jul 10 08:00:19 EDT 2009
Thank you for answering,
I corrently use r.watershed to obtain my flow direction matrix
(drainage). I'm searching for a module in which I can put this
'drainage' in input, and a raster (or vector) with the river network in
input, to obtain in output a matrix in wich in each cell there is the
distance from the river, calculated on the basis of the path defined in
Milton Cezar Ribeiro wrote:
> Hi Margherita,
> give a look at
> Good luck,
> 2009/7/10 Margherita Di Leo <diregola at gmail.com
> <mailto:diregola at gmail.com>>
> 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.
> Jachym Cepicky wrote:
> would  help ?
> 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.
Eng. Margherita Di Leo
Methods and Technologies for Environmental Monitoring
Department of Environmental Engineering and Physics (DIFA)
University of Basilicata
Campus Macchia Romana
85100 - Potenza
E-mail: dileomargherita AT gmail DOT com
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