[gradsusr] variable tdef in the netcdf file

[Jeff Duda]

As control files are unique to a given data set, I really can't send you a
control file for your own data. That's on you to figure out. Use the GrADS
user's manual description of how to construct a control file.

Jeff

On Wed, Apr 29, 2020 at 7:40 PM Gevorgyan Artur <agm86 at yandex.ru> wrote:

> Dear Jeff,
>
> Thanks for your help! Can you attach the examples of control files using
> the CHSUB templating (%ch)?
>
> Can I apply the same method for the zdef if I also have varying heights in
> my data? If yes, can you please send me the relevant example control file?
>
> Kind regards,
> Artur
>
>
> 29.04.2020, 18:08, "Jeff Duda" <jeffduda319 at gmail.com>:
>
> For netCDF, GrADS doesn't read the time from the file itself if you use a
> control file. So I would write a control file and then rename the files to
> some arbitrary interval that is close to the actual valid times of the
> files.
>
> If you need exact and non-constant timing, then you have two other options
> I can see
> 1) Use CHSUB templating (%ch) to manually type each time stamp into a
> single control file and then use the time index to loop over those.
> 2) If the times change frequently or writing them all out is too tedious,
> then you can use control *files* (plural) by using an external scripting
> source such as Linux shell scripting to loop over individual files, making
> a separate control file (or using sdfopen) to read/plot from each file in
> the loop.
>
> Jeff Duda
>
> On Wed, Apr 29, 2020 at 12:23 AM Gevorgyan Artur <agm86 at yandex.ru> wrote:
>
> Dear Colleges,
>
> I have observed data with variable (not constant) observational time
> intervals. The data are in netcdf format, and the observational times are
> prescribed defined the time variable, and time:units = "seconds since
> 1970-01-01"? How can I plot my data using those observational times?
>
> Kind regards,
> Artur
>
> _______________________________________________
> gradsusr mailing list
> gradsusr at gradsusr.org
> http://gradsusr.org/mailman/listinfo/gradsusr
>
>
>
> --
> Jeff Duda, Research Scientist
> University of Colorado Boulder
> Cooperative Institute for Research in Environmental Sciences
> NOAA/OAR/ESRL/Global Systems Laboratory
> Boulder, CO
> ,
>
> _______________________________________________
> gradsusr mailing list
> gradsusr at gradsusr.org
> http://gradsusr.org/mailman/listinfo/gradsusr
>
> _______________________________________________
> gradsusr mailing list
> gradsusr at gradsusr.org
> http://gradsusr.org/mailman/listinfo/gradsusr
>


-- 
Jeff Duda, Research Scientist
University of Colorado Boulder
Cooperative Institute for Research in Environmental Sciences
NOAA/OAR/ESRL/Global Systems Laboratory
Boulder, CO
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://gradsusr.org/pipermail/gradsusr/attachments/20200430/cbd78cc3/attachment.html>