[ncl-talk] meteosat grib2 (grb) files

[David Brown]

Mary is correct that this projection is not yet supported by NCL. It
has been on the to-do list for a long time. I can say that your post
does show that it is of current interest, so we will try to bump up
the priority.
 -dave


On Mon, Apr 25, 2016 at 8:56 AM, Mary Haley <haley at ucar.edu> wrote:
> Thanks for providing a sample GRIB file.  I saw the same issue as you.
>
> And, you are right, this is apparently a known issue in NCL. We already had
> a ticket for it, NCL-10, an old ticket!
>
> I've added your email and file to this ticket. Your file is really helpful,
> because we didn't have any other information before.
>
> I'm not sure how long it would take to add support for this file. Hopefully
> Dave Brown can weigh in on that.
>
> --Mary
>
>
> On Mon, Apr 25, 2016 at 3:23 AM, Athanasios Karagiannidis <thankar at live.com>
> wrote:
>>
>> Hello to all.
>>
>> I'm trying to plot the "fire detection indicator" parameter that is
>> included in meteosat grib2 file like the one I attach.
>>
>> When I load and check the file I get the following:
>>
>> ncl 0> a = addfile("201604250700-fir.grb","r")
>> warning:NCL does not yet fully support GRIB2 space view perspective grid
>> (template 90), no coordinate variables will be supplied for this grid
>> ncl 1> print (a)
>>
>> Variable: a
>> Type: file
>> filename:    201604250700-fir
>> path:    201604250700-fir.grb
>>    file global attributes:
>>    dimensions:
>>       ygrid_0 = 3712
>>       xgrid_0 = 3712
>>    variables:
>>       float FIREDI_P30_GSV0 ( ygrid_0, xgrid_0 )
>>          center :    EUMETSAT Operation Centre
>>          production_status :    Operational products
>>          long_name :    Fire detection indicator
>>          units :    Code Table 4.223
>>          _FillValue :    1e+20
>>          grid_type :    Space view perspective or orthographic
>>          parameter_discipline_and_category :    Space products, Image
>> format pro
>> ducts
>>          parameter_template_discipline_category_number :    ( 30, 3, 0, 9
>> )
>>          initial_time :    04/25/2016 (07:00)
>>
>> I saw that this is not a new problem. However, I could not find a
>> solution.
>> Could you help me?
>>
>> Kind regards
>>
>> Athanasios F. Karagiannidis
>> Physicist, PhD Meteorology and Climatology
>> E-mail: thankar at live.com
>>
>>
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