[GRASS-user] Networks: Strahler Order?

Silvia Franceschi silvia.franceschi at ing.unitn.it
Tue May 30 06:22:06 EDT 2006


Hello Florian,
I don't know if there is a method in GRASS, but I think not. The Strahler 
algorithm is contained in the Horton package than was an additional package 
for GRASS and now is a part of the JGrass.
If you look for JGrass and HortonMachine you can find this module and a lot of 
other idro-geomorphological methods.
Note that JGrass works with the same data as GRASS, creating a workspace on 
the GRASS Location.

Hope can help...

Silvia


> Hello list!
>
> I am looking for a possibility to do a stream network classification
> after Strahler's method [1] with GRASS GIS.
> Does anyone know a module that does such analysis (on either raster
> or vector data)?
> Any hint how to write such a module is very welcome.
>
> -Flo.
>
>
> [1] sources have order 1, two streams of equal order join to form a
> stream with order+1





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