[GRASS-user] r.sim.water and Spearfish60 sample data

[roberto caselli]

In the script I have the dem used is elevation.dem, not elevation.10m. I thought the problem was due to Cygwin, so I tryed the same script on a pc with linux xubuntu and grass 6.2.3 but the system killed the r.sim.water process. Now i'm installing Grass 6.3.0, hoping to solve all these problems.




Date: Tue, 12 Feb 2008 15:20:23 -0800 (PST)
From: Hamish 
Subject: Re: [GRASS-user] r.sim.water and Spearfish60 sample data
To: roberto caselli ,
 grass-user at lists.osgeo.org
Message-ID: <119452.53183.qm at web45814.mail.sp1.yahoo.com>
Content-Type: text/plain; charset=iso-8859-1

roberto caselli wrote:
> About what Hamish said, the problem is in the elevation resolution??
> Could use the 6.3.3 script usinf elevation.dem instead of
> elevation.10m?

In the 6.2.3 version of spearfish.sh, just edit the line at the top to
be elevation.dem instead of elevation.10m.  elevation.dem is at 30m
resolution so will be 9 times smaller and need that much less RAM/time.
With most of the raster modules you can get away without very much RAM,
but apparently not r.sim.water.

Assuming that's the problem- in that case I would have thought that
G_malloc() would give you an "out of memory" error instead of a
SegFault, but I am not very familiar with the cygwin stuff.


Hamish



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