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#95: Development of CF 1.5 Data Model
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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 markh):

 Replying to [comment:102 davidhassell]:

 > Good point about non-standard attributes (although I'm not sure how they
 relate to the global/data attribute debate).

 CF recognises that people use non-CF attributes and impart meaning into
 these which should be carried along with a dataset once it is extracted
 from a NetCDF file into the data model.

 So, consider a file which has a global attribute of
 'responsible_authority' and two data variables, one with a data variable
 attribute of 'responsible_authority'.

 This key is not CF, the data model objective is just to preserve the
 information, not provide any CF insight into the interpretation.

 If two name spaces are used, one for global attributes and one for data
 variable attributes, this preservation becomes easy.

 Some parties in this discussion have favoured one attribute set, I presume
 with unique keys.  In this case I am concerned that the information from
 the file related to this key cannot be stored in a Field instance.

-- 
Ticket URL: <https://cf-pcmdi.llnl.gov/trac/ticket/95#comment:103>
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