Evan, On Fri, Sep 22, 2017 at 1:36 PM, Manning, Evan M (398B) <evan.m.mann...@jpl.nasa.gov> wrote: > I think the _Unsigned attribute would have been a grand idea before. > > But if we’re now allowing explicit unsigned types, what purpose does it serve?
The purpose would be to allow NetCDF3 files to unambiguously represent unsigned int and byte data, and therefore be CF compliant. > > Do I use the _Unsigned = “true” attribute on every ubyte, ushort, and uint > variable? They’re already clearly unsigned according to the type definition. It would be unnecessary for NetCDF4 files for the reason you mention. -Rich -- Dr. Richard P. Signell (508) 457-2229 USGS, 384 Woods Hole Rd. Woods Hole, MA 02543-1598 _______________________________________________ CF-metadata mailing list CF-metadata@cgd.ucar.edu http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata
