[ncl-talk] _FillValue directly from a file variable

[Mateus da Silva Teixeira]

Sorry about grammatical error: ... not *be more* specific.

Best regards,

Mateus


Em seg, 10 de set de 2018 às 17:57, Mateus da Silva Teixeira <
mateusstex at gmail.com> escreveu:

> Hi Toni,
>
> Thank you for your reply.
>
> Sorry for not being more specific. Actually, I have more than 30 GRIB 1/2
> files and I would like to define a single variable (with new function) to
> hold data from all files. Part of these files are in GRIB 1 format and
> other part is in GRIB 2. Also, variable name changes from GRIB 1 to GRIB 2
> format, even the files coming from same source (GFS ANL). So, I want, after
> working with these differences, to put all data into the same array.
>
> Thanks,
>
> mateus
>
>
> Em seg, 10 de set de 2018 às 17:47, Toni Klemm <toni-klemm at tamu.edu>
> escreveu:
>
>> Hi Mateus,
>>
>> I imagine there are more elegant ways, but if you don’t have too many
>> files (or if they have the same variable type (int, float, …), you can run
>> the command
>>
>> ncdump -h file/path/and/filename.nc
>>
>> which will give you the metadata to each variable, and copy-paste the
>> _FillValue value of your variable directly into your NCL script. Another
>> way is to view the file in a viewer like Panoply and get the _FillValue
>> that way.
>>
>> Hope that helps,
>> Toni
>>
>>
>>
>> *Toni Klemm, Ph.D.*Postdoctoral Research Associate
>> Department of Ecosystem Science and Management
>> College of Agriculture and Life Sciences
>> Texas A&M University, College Station, TX
>> Contributor to the Early Career Climate Forum <http://www.eccforum.org>
>> www.toni-klemm.de | @toniklemm <http://twitter.com/toniklemm>
>>
>>
>>
>>
>>
>>
>>
>>
>> On Sep 10, 2018, at 3:34 PM, Mateus da Silva Teixeira <
>> mateusstex at gmail.com> wrote:
>>
>> Hi,
>>
>> Is there a way to get _FillValue attribute from a file variable without
>> loading that variable?
>>
>> I found *getFillValue* function, but I think it won't work like I
>> expect. Also, function *getfilevaratts* only gives a list of the
>> attributes. I would like to directly access the content of this attribute.
>>
>> Thanks,
>>
>> Mateus
>>
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