I totally agree. Don't deprecate anything but definitely encourage ISO 8601:2004(E) with the caveat of requiring an offset-from-Z indicator.
Cheers, Ethan On Fri, Sep 23, 2016 at 9:38 AM, Bob Simons - NOAA Federal < [email protected]> wrote: > Seth McGinnis said: > "I hesitate to support encouraging the use of the T because in my > experience, approximately 0% of existing NetCDF files have it." > > a) We aren't advocating forbidding the older formats / saying that files > with those time formats will become invalid. This is a question of what we > should encourage. So the issue of what is in current files should be > irrelevant. Tons of .nc files have "days since 1-1-1" (which is a horrid > format). Just because a format is common is not a good reason to encourage > its use. > > b) The CF community needs to respect (i.e., faithfully follow) other > standards, just as we ask people to respect our standard. Some in the CF > community might think that CF is a self-contained standard, but it isn't. > We rely on IEEE-754 for binary number formats, various charsets for > character encoding, the CRS Well Known Text Format, numerous calendar > standards, numerous projections, etc. These are all external standards that > we have included in CF simply by referencing them. We shouldn't slightly > modify any of these standards when we use them in .nc files. Similarly we > should cleanly adopt the ISO 8601:2004(E) standard format (with the T) for > date times. [Okay, it weakens my argument that ISO 8601 says that the T may > be omitted by mutual consent, but I think is is better for CF to recommend > the format that is clearly recommended by ISO 8601:2004(E) (i.e., with the > T).] > > > -- > Sincerely, > > Bob Simons > IT Specialist > Environmental Research Division > NOAA Southwest Fisheries Science Center > 99 Pacific St., Suite 255A (New!) > Monterey, CA 93940 (New!) > Phone: (831)333-9878 (New!) > Fax: (831)648-8440 > Email: [email protected] > > The contents of this message are mine personally and > do not necessarily reflect any position of the > Government or the National Oceanic and Atmospheric Administration. > <>< <>< <>< <>< <>< <>< <>< <>< <>< > > > _______________________________________________ > CF-metadata mailing list > [email protected] > http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata > >
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