Re: [thredds] TDS, Grib Files and aggregation

thanks, will give it a try.

-Roy

On Feb 7, 2013, at 1:48 PM, Ethan Davis <edavis@xxxxxxxxxxxxxxxx> wrote:

> Hi Roy,
> 
> I believe you could serve each of your stacked GRIB files as an
> individual dataset (using a dataset or datasetScan element).
> 
> However, using a featureCollection with featureType="GRIB" has the
> advantage that it automatically extracts metadata from the file(s) and
> places it in the catalog. I believe the GRIB featureCollection should
> work both for aggregating GRIB files or for serving a single stacked
> GRIB file. Other than needing a featureCollection element for each
> stacked GRIB file, I don't think there are any downsides to going this
> route.
> 
> I hope that answers your question.
> 
> Ethan
> 
> On 2/7/2013 11:18 AM, Roy Mendelssohn - NOAA Federal wrote:
>> Hi All:
>> 
>> Well, due to some changes at FNMOC, I may have to start serving some
>> Grib files directly in TDS.  In looking over the docs for TDS 4.3
>> given that I want time aggregation, it is clear what option I need to
>> use if I have separate grib files.  However, Grib files have a
>> feature that we use a lot, that you can stack them into one file.
>> Grib readers read them just fine.  So the question is if I have a
>> grib stack do I need to define an aggregation, or are the times read
>> automatically?
>> 
>> Thanks,
>> -Roy
> 
> -- 
> Ethan Davis                                       UCAR Unidata Program
> edavis@xxxxxxxxxxxxxxxx                    http://www.unidata.ucar.edu
> 
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**********************
"The contents of this message do not reflect any position of the U.S. 
Government or NOAA."
**********************
Roy Mendelssohn
Supervisory Operations Research Analyst
NOAA/NMFS
Environmental Research Division
Southwest Fisheries Science Center
1352 Lighthouse Avenue
Pacific Grove, CA 93950-2097

e-mail: Roy.Mendelssohn@xxxxxxxx (Note new e-mail address)
voice: (831)-648-9029
fax: (831)-648-8440
www: http://www.pfeg.noaa.gov/

"Old age and treachery will overcome youth and skill."
"From those who have been given much, much will be expected" 
"the arc of the moral universe is long, but it bends toward justice" -MLK Jr.



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