[thredds] handling of stacked GRIB files

Hi All:

In my tests on my test server, it appears that you handle in some fashion 
stacked GRIB files, which usually arise if you have say a month's worth of 
6-hourly GRIB files and you say use the unix "cat" command to combine them into 
one monthly file, which is still valid GRIB file.  My question is how you 
handle time in those cases, since if I go by the file name it is only say 
g201301  - so you only have the year and month.  Do you just assume that the 
first file is at 0 offset and work you way along,  or do you get the time from 
the stacked files?  The former will have problems if as is sometimes the case, 
there are missed 6-hourly periods in the stack.

Thanks,

-Roy M.


**********************
"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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