[GRASS-user] How to get perimeter?

maning sambale emmanuel.sambale at gmail.com
Thu Sep 17 03:59:46 EDT 2009


v.report map=name option=length units=meters

On 9/17/09, Margherita Di Leo <diregola at gmail.com> wrote:
> Hi List,
>
> I'm searching for a way to delineate the perimeter of an area in a
> raster map. The area is like the result of r.clump, so it is
> caracterized by a integer number in the raster map. I have no problem in
> trasforming the raster map in vector with r.to.vect, but the vector is
> an area, not a line. I need to know the lenght of the contour of the
> areas. What is the best way to obtain that?
>
> Thank you in advance
>
> Margherita
>
> --
> 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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-- 
cheers,
maning
------------------------------------------------------
"Freedom is still the most radical idea of all" -N.Branden
wiki: http://esambale.wikispaces.com/
blog: http://epsg4253.wordpress.com/
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