[gradsusr] ....HELP me (abhishek lodh)

[Rashed Mahmood]

Hi Jluis

I have similar kind of problem as Abishek
I have MISR monthly aerosol data files in (.hdf) format.
When I try to open this in GrADS it shows the following error:

ga-> sdfopen D:\jan.hdf
*Scanning self-describing file: D:\jan.hdf
gadsdf : SDF file has no discernable X coordinate.
*
Could you please explain how to solve it?

Thanks
Rashed



On Tue, Aug 31, 2010 at 10:26 PM, jl sa <esjluis at yahoo.com.mx> wrote:

>   Hola, yo utilizo grads 1.9 y 2.0.a3 y tu archivo lo abro sin dificultad,
>
> no se si sea por la version de grads que utilizas, puedes probar crearle un
> .ddf a tu archivo y especificar los parametros de tiempo que tiene.
>  ejemplo del ddf:
> dset ^srea2_uhadg_f192x145_mo_tsf_r1_20002099.nc
> tdef time 1199 linear JAN2000 1mo
> checa como se ve en grads 1.9 y 2.0a3 (adjuntos)
> ------
> Hello, I use 1.9 and 2.0.a3 grads and your file will open without
> difficulty
>
> if it is not the version of grads you use, you can try create you one. ddf
> file and specify your parameters of time you have.
>  ddf example:
> DSET ^ srea2_uhadg_f192x145_mo_tsf_r1_20002099.nc
> 1199 TDEF linear time 1Mo JAN2000
> Czech grads as shown in 1.9 and 2.0a3 (attached)
>
> sorry for the translation
>
> atte.
> jluis
>
> --- El *lun 30-ago-10, gradsusr-request at gradsusr.org <
> gradsusr-request at gradsusr.org>* escribió:
>
>
> De: gradsusr-request at gradsusr.org <gradsusr-request at gradsusr.org>
> Asunto: gradsusr Digest, Vol 6, Issue 47
> A: gradsusr at gradsusr.org
> Fecha: lunes, 30 de agosto de 2010, 22:31
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>    1. ....HELP me (abhishek lodh)
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> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 31 Aug 2010 00:32:56 -0700 (PDT)
> From: abhishek lodh <abhishek_lodh at yahoo.co.in<http://mc/compose?to=abhishek_lodh@yahoo.co.in>
> >
> Subject: [gradsusr] ....HELP me
> To: gradsusr at gradsusr.org <http://mc/compose?to=gradsusr@gradsusr.org>
> Message-ID: <680218.84709.qm at web8406.mail.in.yahoo.com<http://mc/compose?to=680218.84709.qm@web8406.mail.in.yahoo.com>
> >
> Content-Type: text/plain; charset="utf-8"
>
> hi grads_users...
>
> I am a Ph.D student at IIT Delhi and for my research work i have installed
> grads-2.0.a8 to read netcdf filesie. nc.But there are few .nc files which i
> am not able to open in grads.the error comes as ..:
>
> ga-> sdfopen ECDYN.nc_01042006
> Scanning self-describing file:  ECDYN.nc_01042006
> SDF file has no discernable time coordinate -- using default values.
> gadsdf: SDF file does not have any non-coordinate variables.
>
>
> need help.I am attaching the required file as well.
>
> Also what is the best way to learn grads scripting.
>
> Please help...!!
>
>
> Abhishek Lodh
>
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