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Re: THREDDS aggregation capability

Title: Re: THREDDS aggregation capability
Hi Ben:

THREDDS allows you to aggregate along any dimension, including a "new" one.  In your case, you would aggregate across time, and then do the normal OPeNDAP call for the one location, treating it as if it were one series.

You can see a lot of examples of this at:


All of the Items under the heading  "Aggregation Satellite Datasets" are aggregated in just this fashion . You can pick one and go to the html interface and see that you can select to get a time series at a point.  In fact, you can get a time series for a region.


-Roy M.

I'm wondering if THREDDS (or perhaps simply a DODS or other type of server)
can help me with the following data aggregation problem.

I have daily data files containing an 84 hour forecast.  From these daily fi
les I want to extract a 24 hour section out of the 84 hour forecast and conc
atenate those 24 hour sections to form a continuous time series.  There may
be multiple sections of interest (e.g. 6 to 30, 36 to 50, 60 to 84).  This i
s "station" time series data at a point.  It is actually the time series at
a grid point extracted from daily NWP data files.

Can THREDDS do this?  Or is there another type of server you know of that wi
ll handle this problem?

Thank you,


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Roy Mendelssohn
Supervisory Operations Research Analyst
Environmental Research Division   
Southwest Fisheries Science Center
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