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.
Received on Thu Sep 16 2010 - 12:36:16 BST
