Re: [thredds] Union of time-aggregated datasets

• To: Jon Blower <j.d.blower@xxxxxxxxxxxxx>
• Subject: Re: [thredds] Union of time-aggregated datasets
• From: "Blodgett, David" <dblodgett@xxxxxxxx>
• Date: Tue, 6 Aug 2013 10:00:24 -0500

Hi Jon,

We do this quite often. See some docs toward the bottom here:
https://my.usgs.gov/confluence/display/GeoDataPortal/Thredds+setup

Some convoluted python code and output ncml files to do a big 'ol set of
join/unions here:
https://github.com/dblodgett-usgs/NetCDF_GDP_Wrok/tree/master/bcca_aggregation

Those are actually hosted here:
http://pcmdi8.llnl.gov/thredds/bcsd/catalog.html

- Dave




On Tue, Aug 6, 2013 at 8:49 AM, Jon Blower <j.d.blower@xxxxxxxxxxxxx> wrote:

> Hi,
>
> I have a dataset consisting of 4 variables, each recorded on around 1000
> timesteps.  Unfortunately each variable and each timestep is provided as a
> separate NetCDF file, so I have about 4000 files.  Ideally I'd like to
> create a single dataset aggregating all of these variables and timesteps.
> How can I structure my THREDDS catalog to do this?
>
> (It's not a forecast model so there are no overlapping times, so I'd like
> to avoid the FMRC aggregation type if possible.)
>
> Cheers,
> Jon
>
> --
> Dr Jon Blower
> Technical Director, Reading e-Science Centre
> School of Mathematical and Physical Sciences
> University of Reading, UK
> Tel: +44 (0)118 378 5213
> Mob: +44 (0)7919 112687
> http://www.resc.reading.ac.uk
>
>
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