[gradsusr] Problems opening Grib2 files with grads

[Garut Lama]

I encountered this type of problem before and if I remembered correctly it
was due to the incorrect installation (or corrupted file) of  gribmap/grads
software.
Your .ctl file appears OK with the "dtype grib2"  data descriptor
I suggest that you reinstall the software.

Garut

On Wed, Sep 21, 2011 at 12:57 AM, Jennifer Adams <jma at cola.iges.org> wrote:

> Two comments inline. --Jennifer
>
> On Sep 20, 2011, at 12:54 PM, Javier Peña wrote:
>
> Dear Wesley:
>
> Could you kindly say to me where I can find the gribmap v2?
>
> There is only one gribmap, it handles both grib 1 and 2.
>
> Now, I am using ubuntu 10.1 and I have downdoad the GRADS version
> 2.0.a7.1-3 from the software center.
>
> Thanks for your help.
>
> kind regards:
> Javier Peña
>
>
> 2011/9/20 Wesley Ebisuzaki <Wesley.Ebisuzaki at noaa.gov>
>
>> Javier,
>>
>> The error message
>>
>> > Open Error:  Data file type invalid
>> >   --> The invalid description file record is:
>> >   --> dtype grb2
>>
> This looks like a simple typo. Try changing "grb2" to "grib2"
>
>
> says that you either are using gribmap v1 or gribmap v2 that was compiled
>> without grib2 support.  Most likely the former.
>>
>>        Wesley Ebisuzaki
>>
>>
>>
>> Javier Peña wrote:
>> > Dear users:
>> >
>> > I'm trying to open a grib2 file with Grads but I've found problems in
>> > my way.
>> >
>> > I have been able to create a descriptor file with the function
>> > g2ctl.pl <http://g2ctl.pl> using the following sentence:
>> >
>> > perl g2ctl.pl <http://g2ctl.pl> -0 pgbhnl.gdas.2006020112.grb2 >
>> > pgbhnl.gdas.2006020112_grib2.ctl
>> >
>> > but, when I've tried to create the index file with the function
>> > gribmap, I have obtained the following error message:
>> >
>> > gribmap -i pgbhnl.gdas.2006020112_grib2.ctl
>> > Open Error:  Data file type invalid
>> >   --> The invalid description file record is:
>> >   --> dtype grb2
>> >   The data file was not opened.
>> >
>> > This is part of the descriptor file obtained:
>> >
>> > dset ^pgbhnl.gdas.2006020112.grb2
>> > index ^pgbhnl.gdas.2006020112.grb2.idx
>> > undef 9.999E+20
>> > title pgbhnl.gdas.2006020112.grb2
>> > * produced by g2ctl v0.0.8.2
>> > * command line options: -0 pgbhnl.gdas.2006020112.grb2
>> > * griddef=1:0:(720 x 361):grid_template=0:winds(N/S): lat-lon
>> > grid:(720 x 361) units 1e-06 input WE:NS output WE:SN res 48 lat
>> > 90.000000 to -90.000000 by 0.500000 lon 0.000000 to 359.500000 by
>> > 0.500000 #points=259920:winds(N/S)
>> >
>> > dtype grib2
>> > ydef 361 linear -90.000000 0.5
>> > xdef 720 linear 0.000000 0.500000
>> > tdef 1 linear 12Z01feb2006 1mo
>> > * PROFILE hPa
>> > zdef 37 levels 100000 97500 95000 92500 90000 87500 85000 82500 80000
>> > 77500 75000 70000 65000 60000 55000 50000 45000 40000 35000 30000
>> > 25000 22500 20000 17500 15000 12500 10000 7000 5000 3000 2000 1000 700
>> > 500 300 200 100
>> > options pascals
>> > vars 95
>> > no4LFTXsfc   0,1,0   0,7,193 ** surface Best (4 layer) Lifted Index [K]
>> > no5WAVA500mb   0,100,50000   0,3,197 ** 500 mb 5-Wave Geopotential
>> > Height Anomaly [gpm]
>> > no5WAVH500mb   0,100,50000   0,3,193 ** 500 mb 5-Wave Geopotential
>> > Height [gpm]
>> >
>> > Does someone know what is the problem? What is wrong in my procedure?
>> > and how can I create the index file?
>> >
>> > Thank you very much in advance for your help.
>> >
>> > Sincerely:
>> > Javier Peña
>> >
>> > --
>> > Javier Peña Álvarez
>> > Energías Renovables
>> > javier.p at ereda.com <mailto:javier.p at ereda.com>
>> > EREDA
>> >
>> > Tel:  +34 91 5014755
>> > Fax: +34 91 5014756
>> > Pº. Marqués de Monistrol 7
>> > 28011 MADRID
>> > www.ereda.com <http://www.ereda.com>
>> > ------------------------------------------------------------------------
>> >
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>> > gradsusr at gradsusr.org
>> > http://gradsusr.org/mailman/listinfo/gradsusr
>> >
>>
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>
>
>
> --
> Javier Peña Álvarez
> Energías Renovables
> javier.p at ereda.com
> EREDA
>
> Tel:  +34 91 5014755
> Fax: +34 91 5014756
> Pº. Marqués de Monistrol 7
> 28011 MADRID
> www.ereda.com
> _______________________________________________
> gradsusr mailing list
> gradsusr at gradsusr.org
> http://gradsusr.org/mailman/listinfo/gradsusr
>
>
> --
> Jennifer M. Adams
> IGES/COLA
> 4041 Powder Mill Road, Suite 302
> Calverton, MD 20705
> jma at cola.iges.org
>
>
>
>
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