[gradsusr] unable to plot the data using Grads

Sridhara Nayak sridharanayakiitkgp at gmail.com
Tue Dec 10 07:58:49 EST 2013


Can you plz send your .CTL file


On Tue, Dec 10, 2013 at 5:28 PM, Davide Sacchetti <
davide.sacchetti at arpal.gov.it> wrote:

> my suggestion is not to try unknown options to see if it works ... but
> rather see the meaning of the options on the manual.
>
> Your error sounds as a filesystem error, not an "option" error. It may
> be test-9km-31mar2013.dat is NOT in the directory where you are opening
> grads, or, if your entry is like "dset ^test-9km-31mar2013.dat", the dat
> file is not in the same dir of ctl, or the dat file exists but you have
> not the permissions on it.
> I guess it's an error of this kind
> hoping it could help
> bye bye
> Davide
>
> On Tue, 2013-12-10 at 16:12 +0530, Geeta Geeta wrote:
> > Hi All,
> > I have posted this a number of times before. But could not solve my
> > problem.
> >
> > This is what I get when I plot data using Grads.
> >
> > ga-> open test-9km-31mar2013.ctl
> > Scanning description file:  test-9km-31mar2013.ctl
> > Open Error:  Can't open binary data file
> >   File name = test-9km-31mar2013.dat
> > ga->
> >
> > I am sending my ctl file too.
> > I changed this ctl file by adding the options like "byteswapped and
> > template" but of no avail.
> > with template option, the binary file opens but I get EVERYTHING
> > UNDEFINED.
> > ga-> reinit
> > No hardcopy metafile open
> > All files closed; all defined objects released
> > All GrADS attributes have been reinitialized
> > ga-> open test-9km-31mar2013.ctl
> > Scanning description file:  test-9km-31mar2013.ctl
> > Data file test-9km-31mar2013.dat is open as file 1
> > LON set to 70.1334 84.8666
> > LAT set to 5.28115 21.4457
> > LEV set to 1000 1000
> > Time values set: 2013:4:1:0 2013:4:1:0
> > ga-> d U;V
> > Cannot draw vectors/barbs -- U field all undefined
> > ga->
> >
> >
> > CAN somebody help me?????
> > geeta
> >
> > _______________________________________________
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> > gradsusr at gradsusr.org
> > http://gradsusr.org/mailman/listinfo/gradsusr
>
> --
> --> Attenzione cambio indirizzo: davide.sacchetti at arpal.gov.it
> --
> Davide Sacchetti
> Centro Funzionale Meteo Idrologico di Protezione Civile della Regione
> Liguria
> ARPAL Unità Tecnica Complessa di livello Regionale
> V.le Brigare Partigiane 2 16121 Genova (I)
> tel: +39 010 6437535                    fax: +39 010 6437520
> mail: davide.sacchetti at arpal.gov.it     web: www.meteoliguria.it
>
>
> _______________________________________________
> gradsusr mailing list
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> http://gradsusr.org/mailman/listinfo/gradsusr
>



-- 
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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