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NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
Current content can be found at unidata.ucar.edu.
To learn about what's going on, see About the Archive Site.
Hi John, hi all, I know that for Topex/Poseidon and Jason-1/2 satellite data a specific reference ellipsoid is used. If ESRI pick a sample of Jason data, as far as I remember this reference ellipsoid is declared in the netCDF files. They can retrieve these data on this FTP directory: ftp://avisoftp.cnes.fr/AVISO/pub/jason-2/ssha_gdr_t/ Hope this helps. Olivier. -----Message d'origine----- De : cf-metadata-bounces@xxxxxxxxxxxx [mailto:cf-metadata-bounces@xxxxxxxxxxxx] De la part de John Caron Envoyé : mardi 1 février 2011 20:40 À : cf-metadata@xxxxxxxxxxxx; Java NetCDF Objet : [CF-metadata] ESRI implementation of ellipsoidal-earth Apparently ESRI is willing to add support for CF 1.5 grid_mapping attributes for ellipsoidal-earth/geodetic-datum definitions in the Grid Mappings and Projections specification. They are looking for sample data, especially using ellipsoidal parameters (semi_major_axis/semi_minor_axis/inverse_flattening). Does anyone have any? Also, they are wondering what to use for the default ellipsoid when these are not specified. It seems to me the obvious candidates are 1) spherical earth with a standard radius, or 2) WGS84 ellipsoid. Opinions? John _______________________________________________ CF-metadata mailing list CF-metadata@xxxxxxxxxxxx http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata Cliquez sur l'url suivante https://www.mailcontrol.com/sr/KZUbPkVwZdnTndxI!oX7Uj+Zd8hgYGYDE28IoNzA0RNrtxALuxH9aMeqx2fF7!62hFoFv2Oxt!xGp10b+rkp2Q== si ce message est indésirable (pourriel).
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