[GRASS-dev] RE: [GRASS-user] r.watershed problems in wingrass

[Gerald Nelson]

With an upgrade to RC5, I am able to use watershed now too. Jerry

-----Original Message-----
From: Moritz Lennert [mailto:mlennert at club.worldonline.be] 
Sent: Sunday, February 24, 2008 6:20 AM
To: Gerald Nelson
Cc: 'Charles Ehlschlaeger'; grass-user at lists.osgeo.org;
grass-dev at lists.osgeo.org
Subject: Re: [GRASS-dev] RE: [GRASS-user] r.watershed problems in wingrass

On Mon, February 18, 2008 19:46, Gerald Nelson wrote:
> I tried it without the @ sign with no success; ie, the same problems.
> Where
> I am getting success is if I use the disk for paging. I suspect some kind
> of
> memory management issue having to do with Windows. I'm copying this email
> to
> the dev list in case someone there has a fix.


I cannot reproduce the problem. Could you try with the North Carolina demo
data (you can get that from here: http://grass.itc.it/download/data.php)
and see if you get the same problem, so that everyone can try to reproduce
? Also try to run with the '-m' flag, if memory seems to be the problem.

Moritz

>
> Regards,
> Jerry
> -----Original Message-----
> From: Charles Ehlschlaeger [mailto:c.ehlschlaeger at insightbb.com]
> Sent: Monday, February 18, 2008 12:10 PM
> To: 'Gerald Nelson'
> Subject: RE: [GRASS-user] r.watershed problems in wingrass
>
> I wrote r.watershed before GRASS allowed the use of @ symbols. (Or, if
> GRASS
> did, I didn't know about them then.) It is possible that something in the
> init.c file is wrong. Does the problem still exist when you add
> "india_basic" to the list of mapsets and run r.watershed without the
> "@india_basic"?
> Sincerely, chuck
>
> Chuck Ehlschlaeger, Geospatial Science Consultant
> PERTAN GROUP, http://pertan.com/
> c.ehlschlaeger at insightbb.com, 309-255-2727
> http://chuck.ehlschlaeger.info/
>
>
> -----Original Message-----
> From: grass-user-bounces at lists.osgeo.org
> [mailto:grass-user-bounces at lists.osgeo.org] On Behalf Of Gerald Nelson
> Sent: Sunday, February 17, 2008 5:11 PM
> To: grass-user at lists.osgeo.org
> Subject: [GRASS-user] r.watershed problems in wingrass
>
> I'm using wingrass63RC4. I am trying to find watersheds in India. I run
>
> "r.watershed elevation=IndiaElev at india_basic threshold=100
> basin=IndiaBasins"
>
> The result after a couple of seconds is
>
> "category information for [IndiaBasins] in [india_basic] missing or
> invalid"
>
> It's as if grass is trying to read the new map before it creates it.
>
> Jerry
> Gerald Nelson
> Professor, Dept. of Agricultural and Consumer Economics
> University of Illinois, Urbana-Champaign
> office: 217-333-6465
> cell: 217-390-7888
> 315 Mumford Hall
> 1301 W. Gregory
> Urbana, IL 61801
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