On 9/16/2010 11:04 AM, Jonathan Gregory wrote:
Dear Upendra
add_offset is included in CF for data variables, but not coordinate variables.
Its intention is to help with packing data (CF section 8.1).
For time coordinate variables, however, an offset can effectively be included
in the units, which have the form "UNITS since TIME". You can specify any
reference TIME you like. Why would you like an offset for X and Y coordinates?
Best wishes
Jonathan
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Does CF explicitly exclude using scale/offset on coordinate variables?
The CDM allows this.
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