Hello Randy,
That's good news.
I can see no reason for it not to be in 1.7, as it was accepted ~1.5
years ago, but I'm not sure of the mechanisms behind this process
... can someone advise?
Many thanks and all the best,
David
---- Original message from rhorne at excaliburlabs.com (04AM 20 Dec 13)
> From: "rhorne at excaliburlabs.com" <rhorne at excaliburlabs.com>
> To: David Hassell <d.c.hassell at reading.ac.uk>
> CC: "cf-metadata at cgd.ucar.edu" <cf-metadata at cgd.ucar.edu>
> Subject: Re: [CF-metadata] one data variable is associated with two grid
> mappings
> Date: Fri, 20 Dec 2013 04:42:04 -0500
>
> Dear David:
>
> Yes, that will work. Thanks for pointing that out to me.
>
> Is this enhancement going to make it into 1.7 ? I took a look at the 1.7
> draft, and it is not in there yet.
>
> very respectfully,
>
> randy
>
> ----------------------------------------
> From: "David Hassell" <d.c.hassell at reading.ac.uk>
> Sent: Friday, December 20, 2013 4:17 AM
> To: "Randy Horne" <rhorne at excaliburlabs.com>
> Cc: "cf-metadata at cgd.ucar.edu" <cf-metadata at cgd.ucar.edu>
> Subject: Re: [CF-metadata] one data variable is associated with two grid
> mappings
>
> Dear Randy,
>
> Will the method accepted in ticket 70
> (https://cf-pcmdi.llnl.gov/trac/ticket/70) work for you?
>
> "The expanded form of the grid_mapping attribute is required if one
> wants to store coordinate information for more than one coordinate
> reference system"
>
> Something like this, perhaps:
>
> float data_var
> data_var:grid_mapping = "latitude-longitude: <associated coordinates>
> geostationary: <associated coordinates>"
>
> char latitude-longitude // grid mapping
>
> char geostationary // grid mapping
>
> All the best,
>
> David
>
> ---- Original message from Randy Horne (09PM 19 Dec 13)
>
> > From: Randy Horne <rhorne at excaliburlabs.com>
> > Date: Thu, 19 Dec 2013 21:26:20 -0500
> > To: "cf-metadata at cgd.ucar.edu" <cf-metadata at cgd.ucar.edu>
> > X-Mailer: Apple Mail (2.1510)
> > Subject: [CF-metadata] one data variable is associated with two grid
> > mappings
> >
> > Folks:
> >
> > We have a product with a data variable containing 10 degree latitude band
> statistics (i.e. min, max) derived from observation data whose east/west
> extents are associated with the field of view of a geostationary satellite
> (i.e. the recently defined geostationary grid mapping / projection).
> >
> > The implication is that this data variable is associated with two
> different grid mappings (latitude-longitude & geostationary). Workarounds
> to represent the east/west grid boundaries on the latitude-longitude grid
> mapping are unappealing due to the different geometries associated with the
> two projections.
> >
> > Thoughts ?
> >
> >
> > very respectfully,
> >
> > randy
> > _______________________________________________
> > CF-metadata mailing list
> > CF-metadata at cgd.ucar.edu
> > http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata
>
> --
> David Hassell
> National Centre for Atmospheric Science (NCAS)
> Department of Meteorology, University of Reading,
> Earley Gate, PO Box 243,
> Reading RG6 6BB, U.K.
>
> Tel : +44 118 3785613
> E-mail: d.c.hassell at reading.ac.uk
>
>
--
David Hassell
National Centre for Atmospheric Science (NCAS)
Department of Meteorology, University of Reading,
Earley Gate, PO Box 243,
Reading RG6 6BB, U.K.
Tel : +44 118 3785613
E-mail: d.c.hassell at reading.ac.uk
Received on Fri Dec 20 2013 - 03:34:14 GMT
