[gradsusr] problem in displaying variables

T. haghroosta haghroosta at hotmail.com
Wed Feb 27 21:23:42 EST 2013


Dear Ricardo, Yes, I did as like as you explained. I am in doubt, maybe I have to do it again. I have a question; the source fnl file has a size of 23 MB, but after converting it to a ctl and an idx file, each of them has a size of just seven kb, is it correct and acceptable? I think maybe the converting process has not been done correctly.
Regards, T. 


> 
> Hi People (Jeff, Saulo, T., others),
> 
> T., please, could you check your .ctl file for the dset line?
> In the q file command, the output for the line:
> 
> binary: E:/blablabla
> 
> should be the name of the binary file (that is, the grib 1 file: fnl_20081112_18_00_c), not the .idx name file.
> 
> The .idx has to be created with the gribmap command, outside the GrADS and before running GrADS:
> 
> gribmap -i filename.ctl
> ?
> This command will CREATE an index file. The name of this index file is set in your .ctl file, as follow in the example below:
> 
> dset fnl_20081112_18_00_c
> index anyname.idx
> title Test
> etc ...
> 
> After getting this anyname.idx index file, you can open the .ctl file in GrADS and dysplay any variable.
> 
> T., how did you get your .ctl file for this? FNL grib file?
> 
> Ricardo
> 
> On Wed, 27 Feb 2013 07:47:18 +0000, T. haghroosta wrote
> > Dear Jeff,?
> > ?
> > The problem is this that I can open the .ctl file but I cannot display any variable inside the q file list ( command "d variable").
> > ?
> > Dear Saulo,
> > 
> > I renamed the control file as same name as .idx, but the problem was not solved. I got these errors : 
> > GRIB I/O error: Bit map I/O
> > display error: invalid expression
> > ?
> > Don't you think; it is related to converting process from fnl type to a control file and an idx file?
> > ?
> > Dear manu,
> > ?
> > Of course I did as like you said, but it didn't work.
> > ?
> > Regards?,
> > ?
> > T.
> 
>  
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