Re: [thredds] aggregation / arithmetic between variables

yes it can.  Instructions are at that link.  I've done it several times and can 
help people walk through it once they get Ferret installed.

-Roy

On Apr 1, 2011, at 8:37 AM, Kevin Manross wrote:

> 
> Kyle, 
> 
> I'm interested in the same thing.  Can F-TDS be run without the entire LAS 
> system?  
> 
> Thanks!
> 
> -kevin.
> 
> 
> On Fri, Apr 1, 2011 at 10:23 AM, Kyle Wilcox <KWilcox@xxxxxxxxxxxxxx> wrote:
> That functionality doesn't exists in TDS.  You will need to postprocess the 
> files, or use F-TDS (Ferret TDS) to accomplish:
> 
> http://ferret.pmel.noaa.gov/LAS/documentation/the-ferret-thredds-data-server-f-tds/
> 
> ---------
> Kyle Wilcox, Engineer
> Applied Science Associates
> 55 Village Square Drive
> South Kingstown, RI 02879
> p: (401) 789-6224
> e: kwilcox@xxxxxxxxxxxxxx
> 
> 
> > -----Original Message-----
> > From: thredds-bounces@xxxxxxxxxxxxxxxx [mailto:thredds-
> > bounces@xxxxxxxxxxxxxxxx] On Behalf Of Ivan PRICE
> > Sent: Friday, April 01, 2011 11:14 AM
> > To: thredds@xxxxxxxxxxxxxxxx
> > Subject: [thredds] aggregation / arithmetic between variables
> >
> >
> > Hi again,
> >
> > I'm sorry to ask so many questions, i am looking around before asking
> > these..
> >
> > My next problem is that I'd like to define a 'virtual variable' that is
> > the result of simple operations on existing variables, for example a
> > new
> > variable that is the sum of 2 existing ones.
> >
> > I have read all about aggregating between datasets and over dimensions
> > such as time, but i think this is different. My goal is to have a
> > virtual WMS layer that is the result of the relationship between
> > existing variables.
> >
> > Does this sort of functionality exist at this stage, or should i be
> > pre-processing the dataset before the thredds stage ?
> >
> > cheers and have great weekends
> >
> > -i
> >
> >
> >
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> 
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Roy Mendelssohn
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NOAA/NMFS
Environmental Research Division
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