Hi Randy,
That's much clearer and more succinct than I managed, thanks ;) Of course this is specific to geostationary.
Daniel
> -----Original Message-----
> From: CF-metadata [mailto:cf-metadata-bounces at cgd.ucar.edu] On Behalf
> Of Randy Horne
> Sent: 20 April 2018 14:56
> To: Martin Juckes - UKRI STFC <martin.juckes at stfc.ac.uk>
> Cc: cf-metadata at cgd.ucar.edu
> Subject: Re: [CF-metadata] Fix Geostationary projection, including proposal
> for two new standard names
>
> Hi Martin:
>
> RE: I agree with Jim that a little more basic information is needed about what
> the angles are. I may be misinterpreting the discussion, but I had imagined
> that the angles as components of a spherical coordinate system centred on
> the satellite, with the nadir at (0,0) ... is that correct?
>
> The projection_x_angular_coordinate and projection_y_angular coordinates
> are the angular distances from the satellite?s nadir in the E/W an N/S
> direction, respectively, from the ideal location of the imaging instrument in
> geostationary orbit.
>
>
> v/r
>
> randy
>
>
>
> > On Apr 20, 2018, at 4:06 AM, Martin Juckes - UKRI STFC
> <martin.juckes at stfc.ac.uk> wrote:
> >
> > I agree with Jim that a little more basic information is needed about what
> the angles are. I may be misinterpreting the discussion, but I had imagined
> that the angles as components of a spherical coordinate system centred on
> the satellite, with the nadir at (0,0) ... is that correct?
>
> _____________________________________
>
> Randy C Horne (rhorne at excaliburlabs.com) Principal Engineer, Excalibur
> Laboratories Inc.
> voice & fax: (321) 952.5100
> cell: (321) 693.1074
> url: http://www.excaliburlabs.com
>
>
>
>
> _______________________________________________
> CF-metadata mailing list
> CF-metadata at cgd.ucar.edu
> http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata
Any email message from EUMETSAT is sent in good faith but shall neither be binding nor construed as constituting a commitment by EUMETSAT, except where provided for in a written agreement or contract or if explicitly stated in the email. Please note that any views or opinions presented in this email are solely those of the sender and do not necessarily represent those of EUMETSAT. This message and any attachments are intended for the sole use of the addressee(s) and may contain confidential and privileged information. Any unauthorised use, disclosure, dissemination or distribution (in whole or in part) of its contents is not permitted. If you received this message in error, please notify the sender and delete it from your system.
Received on Fri Apr 20 2018 - 07:18:45 BST
