Hi Heiko,
NCSS does not currently subset the ensemble axis, but it will in the
upcoming 5.0 version of the TDS.
Cheers,
Sean
On Wed, Dec 7, 2016 at 12:45 PM, Heiko Klein <Heiko.Klein@xxxxxx> wrote:
> Hi,
>
> I checked now also the ncss subsetter. This does not seem to have a
> selector for the ensemble axis?
>
> Heiko
>
> On 2016-12-07 18:34, Heiko Klein wrote:
> > Antonio,
> >
> > thanks a lot. We will put the _CoordinateAxisType="Ensemble" while
> > waiting for netcdf-java 5.0.0. Good to know that realization will be
> > supported then.
> >
> > IDV/netcdf and toolsUI work very well with that. Godiva displays results
> > to, but ncWMS does not expose any ensemble-member dimension in the
> > capabilities document. I'm not even sure if ensembles fit into the WMS
> > standard, so I'm not too surprised that this does not work.
> >
> > Best regards,
> >
> > Heiko
> >
> >
> >
> > On 2016-12-06 18:05, Antonio S. Cofiño wrote:
> >> Heiko,
> >>
> >> Moreover....
> >>
> >> The netcdf-java 4.6.X recognizes the standard_name='ensemble' for
> >> Ensembles Axis Type.
> >>
> >> https://github.com/Unidata/thredds/blob/master/cdm/src/
> main/java/ucar/nc2/dataset/conv/CF1Convention.java#L157-L160
> >>
> >>
> >> but 'ensemble' is not a recognized CF standard_name. It should be
> >> 'realization' as you have put into the ensemble_member
> >>
> >> The netcdf-java 5.0.0, adds 'realization' as possible standard_name
> >> value for Ensembles Axis Type
> >>
> >> https://github.com/Unidata/thredds/blob/5.0.0/cdm/src/
> main/java/ucar/nc2/dataset/conv/CF1Convention.java#L162-L165
> >>
> >>
> >> Regards
> >>
> >> Antonio
> >>
> >>
> >> On 06/12/16 13:55, Heiko Klein wrote:
> >>> Hi,
> >>>
> >>> we just extended our meteorology forecast runs with ensemble members.
> >>>
> >>> Data without ensemble/realization dimension can be found here:
> >>> http://thredds.met.no/thredds/dodsC/arome25/arome_metcoop_
> test2_5km_latest.nc
> >>>
> >>> and these work well with the netcdf-java base software like
> >>> thredds/idv/ncwms , e.g. precipitation_amount_acc(time,height0,y,x)
> >>>
> >>> As soon as we combine several realizations/ensembles into the same file
> >>> http://thredds.met.no/thredds/dodsC/meps25files/meps_
> allmembers_full_2_5km_latest.nc
> >>>
> >>> all gridded feature stop working for
> >>> precipitation_amount_acc(time,height0,ensemble_member,y,x). We can
> still
> >>> use opendap, but ncwms and idv no longer find this variable.
> >>> netcdf-tools still detect the variable as a FeatureType GRID
> >>> f:D(5)->R(7) (in FeatureType->FeatureScan) but is not able to detect
> the
> >>> coordinateSystem in FeatureType->Grids.
> >>>
> >>> I even tried to remove the height0 dimension (which is of size 1), but
> >>> without any change.
> >>>
> >>>
> >>> Is 'standard_name=realization' an unsupported feature of netcdf-java?
> >>> There was a longer discussion about it in 2010:
> >>> http://mailman.cgd.ucar.edu/pipermail/cf-metadata/2010/053546.html
> >>> Should we use some axis="ensemble" or _CoordinateAxis keyword to help
> >>> detect the ensemble dimension?
> >>>
> >>> Or is the problem within thredds/ncwms/idv not able to deal with other
> >>> dimensions than x,y,z,t?
> >>>
> >>> Sorry for cross-posting, not really sure where the problem lies. We're
> >>> using thredds 4.6 and netcdf-java toolsUI 4.6
> >>>
> >>> Best regards,
> >>>
> >>> Heiko
> >>>
> >>>
> >>
> >
>
> --
> Dr. Heiko Klein Norwegian Meteorological Institute
> Tel. + 47 22 96 32 58 P.O. Box 43 Blindern
> http://www.met.no 0313 Oslo NORWAY
>
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