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#107: CF Data Model 1.7
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  Reporter:  markh           |      Owner:  cf-conventions@…
      Type:  task            |     Status:  new
  Priority:  medium          |  Milestone:
 Component:  cf-conventions  |    Version:
Resolution:                  |   Keywords:
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Comment (by jonblower):

 Hi all,

 Just to add a vote to this debate having talked off-line a while ago with
 Jonathan and David, and having read Mark and Jim's comments above. I'm
 persuaded that formula_terms and grid_mapping are doing different jobs.
 Formula_terms turns dimensionless coordinate values into dimensional ones;
 grid_mapping adds information about CRSs that is not already implicitly or
 explicitly present. You might need both, for example to turn dimensionless
 vertical coordinates into heights (using formula_terms) and then provide
 the ellipsoid (using grid_mapping).

 Therefore I don't see much benefit in conflating these orthogonal
 concepts.

 Cheers,
 Jon
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Ticket URL: <http://cf-pcmdi.llnl.gov/trac/ticket/107#comment:83>
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