[GRASS5] Trouble with r.watershed -m

Hamish hamish_nospam at yahoo.com
Mon Mar 27 21:35:33 EST 2006


> 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.


Hamish




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