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#107: CF Data Model 1.7
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  Reporter:  markh           |       Owner:  [email protected]
      Type:  task            |      Status:  new                          
  Priority:  medium          |   Milestone:                               
 Component:  cf-conventions  |     Version:                               
Resolution:                  |    Keywords:                               
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Comment (by jonathan):

 Dear all

 Mark argues that we should start work on the data model for CF 1.7 (the
 next version i.e. CF 1.6 plus all the agreed tickets), instead of
 concluding the data model for CF 1.5. I'm keen that we should build on
 what we already agreed for CF 1.5, since it will be mostly unchanged, and
 Mark agrees with that. I have therefore posted several documents on the
 wiki. I've put them there as annexes to this posting. I suggest that those
 wiki documents should ''not'' be edited; instead, as we debate changes to
 the wording of the data model, we can post new wiki documents. Keeping
 lengthy text out of the ticket itself should make it more readable; that
 was one of Mark's concerns.

 The documents I have posted are:

   * [wiki:Ticket107Text9Nov13From95 Text agreed in ticket 95] with some
 small proposed changes
   * [wiki:Ticket107Text9Nov13CellMeasures Proposed text for cell measures]
   * [wiki:Ticket107Text9Nov13CellMethods Proposed text for cell methods]
   * [wiki:Ticket107Text9Nov13Transforms Proposed text for transforms],
 from ticket 95
   * [wiki:Ticket107Text9Nov13Properties Proposed text for properties]

 I suggest that the first one should not need any discussion, unless anyone
 can see something in it which is different in CF 1.6 or CF 1.7. Following
 John Caron's comments in ticket 95, I have added text stating that
 dimension/auxiliary coordinates are independent/dependent. All of the text
 in that document comes verbatim from ticket 95, except for the changes
 marked.

 The proposal for transforms was posted by David at the end of ticket 95.
 The other three documents contain text from
 [http://www.met.reading.ac.uk/~david/cfdm_0.7.html the data model that
 David and I proposed for CF 1.5].

 I must admit that I haven't yet thought in detail about what CF 1.6 or CF
 1.7 might require but, as I said above, I don't think there should be
 major changes needed.

 Best wishes

 Jonathan

-- 
Ticket URL: <https://cf-pcmdi.llnl.gov/trac/ticket/107#comment:2>
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