Dear Mark > >Actually I am unclear, in this particular example, why we do need two > >grid_mapping atts. > One issue is that the GeogCS the OSGB is projected from is different from the > GeogCS I would like to exchange my data on.
Ah, I see. The two different systems have different ellipsoids. OK, I agree, this shows the need for two grid_mappings. In fact, lat and lon could be provided in both of them with either extension to the CF convention. Thanks for the example. Best wishes Jonathan _______________________________________________ CF-metadata mailing list [email protected] http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata
