subsample time series

[bernd.becker at METOFFICE.GOV.UK]

Hi Chuck,

No, the data is grib(1).

I really would like to do this in grads, without
slicing the original files.

Bernd.

On Wed, 2007-08-01 at 13:50 -0400, Charles Seman wrote:
> Bernd,
>
> Is the file a netCDF file?  If so, check out "ncks"
> http://nco.sourceforge.net/nco.html#ncks-netCDF-Kitchen-Sink
> ncks can extract hyperslabs of data, and can have a "stride"
> parameter... so you might be able to generate 0, 6, 12, 24 hour files...
>
> I hope this helps,
> Chuck
>
> bernd.becker at METOFFICE.GOV.UK wrote:
> > Hi,
> >
> > simple question:
> >
> > how do I sub-sample a time series?
> >
> > I have 1400  6hourly global fields in one file.
> >
> > I want to plot the 00:00 time time series
> > I want to plot the 06:00 time time series
> > I want to plot the 12:00 time time series
> > I want to plot the 24:00 time time series
> >
> > I want to define each in turn
> > I want to take the max and the min of each of the 4 fields describing
> > one day.
> >
> > Do I want too much?
> >
> > Thanks,
> > Bernd.
> >
> > --
> > Bernd Becker   The Monthly Outlook
> > Met Office  FitzRoy Road  Exeter   Devon EX1 3PB  United Kingdom
> > Tel.: +44 (0) 1392 884511 Fax: +44 (0)870 900 5050
> > E-mail:bernd.becker at metoffice.gov.uk -  http://www.metoffice.gov.uk
> >
>
> --
>
> Please note that Charles.Seman at noaa.gov should be considered my NOAA
> email address, not cjs at gfdl.noaa.gov.
>
> ********************************************************************
>  Charles Seman                                Charles.Seman at noaa.gov
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>  Geophysical Fluid Dynamics Laboratory         voice: (609) 452-6547
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--
Bernd Becker   The Monthly Outlook
Met Office  FitzRoy Road  Exeter   Devon EX1 3PB  United Kingdom
Tel.: +44 (0) 1392 884511 Fax: +44 (0)870 900 5050
E-mail:bernd.becker at metoffice.gov.uk -  http://www.metoffice.gov.uk