[gradsusr] grib

[fereshteh komijani]

dear Sridhara
thanks. i saw following command in some site:
Command :  cdo -f nc copy file.grb file.nc
but my file in *.grib *but in mention command tehre is *.grd*
and alsoany useful command that i searchare for .grd not .grib
therefore after trying following command i cant get .nc file

1-[fkomijani at localhost Downloads]$  cdo -f nc copy aa.grib file.nc
Warning (cgribexScanTimestep) : Param=182.128 level=0 not available at
timestep 1338!
cdo copy: Processed 2262204 values from 1 variable over 1337 timesteps (
0.05s )
2-[fkomijani at localhost Downloads]$  cdo -f nc copy aa.grb file.nc
cdo copy: Open failed on >aa.grb<
No such file or directory


please if i am in wrong tell me.
thanks
fereshte


On Tue, Dec 24, 2013 at 6:35 PM, Sridhara Nayak <
sridharanayakiitkgp at gmail.com> wrote:

> Hi,
> First, you will have to create a CONTROL file to read your GRIB data.
> e.g. my GRIB data file is named as ifile.grb
> So I am creating a ifile.ctl which looks as
>    DSET^ifile.grb
>    OPTIONS sequential
>    UNDEF  -9.99e+36
>    XDEF 360 LINEAR -179.5 1
>    YDEF 180 LINEAR  -89.5 1
>    ZDEF   1 LINEAR 1 1
>    TDEF   1 LINEAR 00:00Z15jun1990 1mo
>    VARS   1
>    ps  1  99  description of the variable
>    ENDVARS
>
> or you can prepare CONTROL file with the following command provided
> grib2ctl.pl and wgrib is installed in your Linux /UNIX machine
>
> grib2ctl.pl ifile.grb > ifile.ctl
>
>
> Finally use CDO
> cdo -f nc import_binary ifile.ctl ofile.nc
>
> Hope it will help you.
>
> Kind Regards
> Sridhara
>
>
> On Tue, Dec 24, 2013 at 7:37 PM, fereshteh komijani <
> fereshtehkomijani at gmail.com> wrote:
>
>> dear friends
>> i have Grib file (a.grib) that what to convert it to netcdf files .
>> would you please tell me which command in CDO can do it.
>> many thanks in advance
>> fereshte
>>
>> --
>> ***Angel***
>>
>>
>>
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>>
>
>
> --
> Sridhara Nayak, PhD Student;
> Centre for Oceans, Rivers, Atmosphere and Land Sciences;
> Indian Institute of Technology Kharagpur; Kharagpur; West Bengal; India.
>
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>
>


-- 
***Angel***
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