[Esip-documentation] ACDD comments --

[Signell, Richard via Esip-documentation]

Reading this, I think we should just modify ncISO to read featureType
rather than cdm_data_time and deprecate it's use in favor of
featureType

On Fri, Sep 19, 2014 at 5:16 PM, John Graybeal via Esip-documentation
<esip-documentation at lists.esipfed.org> wrote:
> I'm going to start replying to some of these on separate threads.
>
> I'm consolidating the issues into the Google spreadsheet as we discussed on
> the call, will publish that 'shortly' (when done).
>
> By the way, sorry for the delayed post of my mail responding to Bob, that
> mail was written yesterday and got hung up.
>
> On Sep 18, 2014, at 11:50, Bob Simons - NOAA Federal <bob.simons at noaa.gov>
> wrote:
>
> cdm_data_type should not be tied to
>
> http://www.unidata.ucar.edu/software/thredds/current/tds/catalog/InvCatalogSpec.html#dataType
> which is out-of-date and obsolete
>
> Are you sure? I thought several on this list were still using it.
>
> They probably are. That doesn't make it right. Unidata has created several
> sets of terms over the years. They haven't retracted the old versions.  I'm
> not saying what the right list of terms is, just that that list is
> out-of-date. Until Unidata and CF get their act together, it is better for
> ACDD to not pick a winner.
> Please read this entire exchange:
> http://mailman.cgd.ucar.edu/pipermail/cf-metadata/2010/048519.html
> which clearly indicates the John Caron (if he is in practice the decider)
> says about cdm_data_type, which clearly goes beyond the list ACDD is seeking
> to enshrine.
>
>
> ACDD picked that winner in a previous version, and I reviewed the CF thread
> a year ago while trying fix this issue. Because there are many data sets
> that followed ACDD then (and some still use the cdm_data_type, per Rich), we
> didn't deprecate the existing attribute. But we did clarify in the
> definition that there is another attribute called featureType in CF (which
> is the outcome of the thread you cited, I believe).
>
> I'd be happy to move cdm_data_type to Suggested instead of Recommended, I
> think it should no longer be recommended. And maybe that wording needs to be
> improved, and the featureType attribute explicitly added? But I don't think
> we should redefine its meaning in a way that would break the previous uses.
>
> John
>
>
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-- 
Dr. Richard P. Signell   (508) 457-2229
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Woods Hole, MA 02543-1598