[GRASS-user] Distance map with defined path

[Milton Cezar Ribeiro]

Hi Margherita,

give a look at
r.watershed
r.terraflow
r.flow
Good luck,

milton
2009/7/10 Margherita Di Leo <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.
>
> 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
>
>
>
>
>
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