Randy, I think it depends on whether or not the ancillary variable can stand meaningfully on it’s own. If it would make sense to plot it in it’s own right, then I’d add the coordinates attribute.
Grace and peace, Jim Visit us on Facebook Jim Biard Research Scholar Cooperative Institute for Climate and Satellites NC North Carolina State University NOAA's National Climatic Data Center 151 Patton Ave, Asheville, NC 28801 e: [email protected] o: +1 828 271 4900 On Mar 22, 2014, at 11:13 AM, Randy Horne <[email protected]> wrote: > Dear All: > > We have data variables containing observation data that have corresponding > flag variables containing status info (i.e. status_flag). These flag > variables are ancillary data and the observation data variable includes the > ancillary_variables attribute. > > The observation data variable makes use of coordinates variable for auxiliary > coordinate variables, and includes the coordinates attribute. There are > dependencies between values assigned to the auxiliary coordinate variables, > and the values assigned to the ancillary variable (in this case a flag > variable) > > Should the coordinates attribute be included in the specification of the > ancillary variable ? > > > very respectfully, > > randy > _______________________________________________ > CF-metadata mailing list > [email protected] > http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata
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