[GRASS5] Trouble with r.watershed -m

Ludwig M Brinckmann ludwigbrinckmann at hotmail.com
Sun Apr 2 04:44:15 EDT 2006

It is the precompiled version 13-02-2006 for cygwin.

I have figured the message is a crypted way of telling me I am out of 

(Apologies for the late reply, I am out in the sticks at the moment with 
little access to the internet...had hoped to be able to compare my 
calculated stream-network with reality on the ground...)


>From: Hamish <hamish_nospam at yahoo.com>
>To: "Ludwig M Brinckmann" <ludwigbrinckmann at hotmail.com>
>CC: grass5 at grass.itc.it
>Subject: Re: [GRASS5] Trouble with r.watershed -m
>Date: Tue, 28 Mar 2006 14:35:33 +1200
> > I am trying to calculate rivers for a rather larger geographic area in
> > SW  China, so my machine runs out of memory if I use the in-memory
> > r.watershed. However, r.watershed -m (using disk memory) fails with
> > the following error  message:
> >
> > WARNING: segment_pagein: No such file or directory
>^^^^^^^^^^^ did you see this exact message with the latest CVS version?
>i.e. something from the last 3 weeks? That error message code was
>recently changed (for the better).
> > WARNING: cseg_put(): could not write segment file
> >
> > Having a quick look through the (rather old -- nothing wrong with
> > that) code  it looks like the temporary file used to store the data is
> > lost somewhere.
> >
> > This happens with both grass-61 lastest cvs released version on
> > windows/cygwin as well as with grass 6.1 on suse linux, but not with
> > grass  6.01 on suse, so something has changed.

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