Concur, mid-point is the optimal 'assumption', even if imperfect for
extensible accumulated values. Those who need end-point or other can
make it so explicitly, and will have technical expertise to do so.
(Similarly for clients -- those that need it should be built to use
the additional metadata.) Please recommend this.
John
On Nov 12, 2009, at 0926, Jonathan Gregory wrote:
Dear Thomas
I'm not saying the coordinate *must* be the mid-point. If there's a
good reason
for it being something else, then you could choose it to be so. I was
suggesting that we could recommend it should be the mid-point if
there is
no strong basis for making another choice. We could also say that it
must not
be outside the bounds.
You are right, it cannot be missing data. That would break some
applications,
anyway.
Cheers
Jonathan
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John Graybeal <mailto:[email protected]>
phone: 858-534-2162
Development Manager
Ocean Observatories Initiative Cyberinfrastructure Project:
http://ci.oceanobservatories.org
Marine Metadata Interoperability Project: http://marinemetadata.org
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