[gradsusr] How to use grib2ctl option for one chosen variable

[Wesley Ebisuzaki]

Simba,

    No option for grib2ctl/g2ctl.   The solution depends on why you want 
to make
the ctl file for a subset.

(1)  grib2ctl is choosing the wrong vertical coordinate

    You have to make a new grib file with only the variables that you want.
    Simple task for wgrib.

(2) Vertical coordinate is ok.

     Edit the ctl file by removing all the unwanted fields.  Then change 
the "vars N" line
     so that N is the new number of fields in the control file.

   Wesley Ebisuzaki

Chidzambwa Simba wrote:
> Dear All,
> Is there an option that you can use with 'grib2ctl' to create a data 
> descriptor file for just one or two variables from a group of 
> variables? For example for just the u and v wind components?
>  
> Regards
> Simba 
>
>  
>
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