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Re: decoders] Possible to use GribJava to extract data based on a coordinate?

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  • Subject: Re: decoders] Possible to use GribJava to extract data based on a coordinate?
  • Date: Tue, 27 Jan 2009 08:05:00 +0000
Hi Stephanie

I'd highly recommend looking at the pygrib2 module. It can do what you
need quite simply.

http://code.google.com/p/pygrib2/

Good luck

Sam

http://somafm.com



2009/1/27 Robb Kambic <address@hidden>:
>
> On Mon, 26 Jan 2009, Stephanie Mayfield wrote:
>
>>
>> I am attempting to use the grib-6.0.jar (GribJava) for extracting data
>> from a grib file.  What I want to do is extract data based on a
>> particular lat/lon point within the area.
>
> Hiya,
>
> Noop, the GribJava library is mainly a low level grib reader. There is a
> netCDF subset service that can perform that task. It at:
>
> http://motherlode.ucar.edu:8080/thredds
>
> drill down to a model file level, then there are some options about how
> to extract the data.
>
> Robb..
>
>
>
>>
>> For instance, I would like to take the NAM model's grib files and
>> extract the temperature for a specific point, say Halifax International
>> Airport.  Is it possible to use this library for that purpose?   If so,
>> can anyone post and example of how that would be done or even point me
>> at the right direction?  I've managed to get the test files to run and
>> show me data.  I have a vague understanding of how to choose which
>> parameters I want.  But I'm having trouble figuring out how, if at all,
>> I can indicate the location.
>>
>> Thanks!
>> Steph
>>
>> --
>> Stephanie Mayfield
>> Senior Programmer/Analyst
>> Scotia Weather Services Inc.
>> address@hidden
>> 902.468.3866
>>
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>
> ===============================================================================
> Robb Kambic                                Unidata Program Center
> Software Engineer III                      Univ. Corp for Atmospheric Research
> address@hidden                   WWW: http://www.unidata.ucar.edu/
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