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[THREDDS #FIZ-452444]: Can NcML tackle this?

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  • Subject: [THREDDS #FIZ-452444]: Can NcML tackle this?
  • Date: Thu, 30 Apr 2009 12:47:39 -0600
> On Thu, Apr 30, 2009 at 1:20 PM, Unidata THREDDS Support
> <address@hidden> wrote:
> >> NetCDF-Java Gurus,
> >>
> >> I may have hit the first ocean model that I can't use NcML to CF-ize.
> >>
> >> Output from the Harvard Ocean Prediction System (example URL:
> >> http://coast-enviro.er.usgs.gov/thredds/dodsC/models/share/hops.nc.dds
> >>
> >> stores both lon and lat in a single variable, and u,v in a single
> >> variable, by adding an extra dimension.
> >> So u and v is stored in:
> >>
> >> Float32 vtot[time = 17][vlat = 138][vlon = 107][outlev = 30][vector = 2];
> >>
> >> Can we use NcML to split u [vector = 1] and v [vector = 2] into
> >> separate variables?
> >>
> >> If not, would this be (a) easy (2 hours); (b); medium (2 days); or (c)
> >> difficult (2 months)?
> >
> > the best thing is to write a CoordSysBuilder to fix the problem. AWIPS 
> > files have same problem, thats how we fix them.
> >
> > I will eventually add a feature for NcML to split data like this, but its 
> > not possible now.
> >
> > Its a few hours work by a java programmer. is there someone who can do it 
> > there?
> 
> Which is a few hours work?  Adding the feature for NcML or writing a
> new CoordSysBuilder (I'm pretty sure it's the latter, but just want to
> make sure!)

sorry, the latter


Ticket Details
===================
Ticket ID: FIZ-452444
Department: Support THREDDS
Priority: Normal
Status: Closed