> A grid mapping variable is required if the given coordinate variables are > relative to a planetary latitude longitude datum, or to describe the figure > of the Earth used to define the latitude and longitude coordinates, or to > describe another coordinate reference system definition used by some > coordinates or auxiliary coordinates.
A modification like this would be very beneficial and the phrasing above reads well for me. -- You are receiving this because you commented. Reply to this email directly or view it on GitHub: https://github.com/cf-convention/cf-conventions/pull/133#issuecomment-407880996
