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 <
bob.simons at noaa.gov> 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: bob.simons at noaa.gov
>
> 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.
> <>< <>< <>< <>< <>< <>< <>< <>< <><
>
>
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