[gradsusr] Fwd: Plot Multiple Tracks in GRADS

[James T. Potemra]

Hi Lyndon:

Not sure why you can't plot more than one.  Note if you are opening 
different descriptor files (ctl files), you
will need to reference the variables with a suffix, e.g.,

* open two files
'open first_file.ctl'
'open second_file.ctl'
* display temperature from first file
'd temp.1'
* display temperature from second file
'd temp.2'

Also note that this presumes the grids are the same in both files 
(including lat/lon/time/alt).  If not, you'll
have to set the default file (e.g., 'set dfile 2') appropriately.

Jim

On 8/28/13 8:03 AM, Lyndon Mark Olaguera wrote:
>
>
> Hi All,
> I would like to plot multiple tracks in grads..I have the location of 
> the eye and plotted the tracks using minimum sea level pressure..
> i have to compare 3 ctl files.
> As of now, i can only plot one..How do i plot three tracks in grads?
>
> I will appreciate any help.
> Thanks in advance,
> Lyndon
>
>
>
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