[GRASS-user] r.watershed speed-up

[Michael Barton]

We're definitely interested in giving this a try too.

Michael
____________________
C. Michael Barton, Professor of Anthropology
Director of Graduate Studies
School of Human Evolution & Social Change
Center for Social Dynamics & Complexity
Arizona State University

Phone: 480-965-6262
Fax: 480-965-7671
www: <www.public.asu.edu/~cmbarton>



On Jul 29, 2008, at 8:44 AM, <grass-user-request at lists.osgeo.org> wrote:

> Date: Tue, 29 Jul 2008 15:24:20 +0200
> From: ivan marchesini <marchesini at unipg.it>
> Subject: [GRASS-user] r.watershed speed-up
> To: Markus Metz <markus_metz at gmx.de>
> Cc: grass-user at lists.osgeo.org
> Message-ID: <1217337860.4462.46.camel at ivangeo>
> Content-Type: text/plain
>
> First results of one test I did: excellent!!!
>
> 1392776 cells dem with steep slopes but also plain areas
>
> r.watershed.fast: 7 seconds
> r.watershed:  4 min and 14 seconds
>
> no difference at all between the two generated network paths...
>
> markus: many thanks..
>
>
> Ivan
>