[ncl-talk] A general question about coordinate selection

[cemilyigit at posteo.de]

Hi,

Thanks for your post.

Do you also know something about my second question; i.e. whether one 
can use a tool to cut the GRIB2 file to a specific country in advance?

Thanks and best regards.



Am 08.12.2020 08:19 schrieb Ehsan Taghizadeh:
> Hi,
> I think you should use shapefile mask in NCL. Following link is
> related to the subject.
> https://www.ncl.ucar.edu/Applications/shapefiles.shtml [1]
> 
> Sincerely,
> Ehsan
> 
>  On Tuesday, December 8, 2020, 10:22:59 AM GMT+3:30, cemilyigit--- via
> ncl-talk <ncl-talk at mailman.ucar.edu> wrote:
> 
> Hello together,
> 
> I'm relatively new to NCL and have a general question about selecting
> 
> coordinates.
> 
> Currently I read out the temperature for a large region from GFS data
> or
> 
> rahter from GRIB files.
> 
> This is easy and works perfectly. In the next step I wanted to read
> out
> 
> the temperature only for a certain country and display it as an
> xy-plot.
> 
> And this is exactly where I got a problem. How can I specify the
> 
> coordinates in NCL in a way that my coordinate specification only
> 
> considers a certain country.
> 
> It would be very nice if I could see this in a code example.
> 
> Is it possible to cut the GRIB file to the corresponding coordinates
> 
> before?
> 
> Thanks a lot.
> 
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> Links:
> ------
> [1] https://www.ncl.ucar.edu/Applications/shapefiles.shtml
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