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[CF-metadata] implication of allowing longitude coordinate variable using scale_factor/add_offset

From: rhorne at excaliburlabs.com <rhorne>
Date: Wed, 20 Mar 2013 08:47:53 -0400

 

Folks:

Last year we (GOES-R Ground System) proposed a change that would allow coordinate variables to use scale_factor and add_offset (see trac item #86 with title "Allow coordinate variables to be scaled integers").

We will be producing one type of product on a lat/lon grid and would like to used scale_factor and add_offset with the coordinate variables.

One of these products spans the 180 degrees_east longitude (i.e. -180 degrees_east longitude) line. The implication being that the software resolving the scale factor and additive offset needs to be cognizant of the longitude coordinate variable "units".

Is this an issue ?

very respectfully,

randy
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