[NeXus-committee] again: data field ranks

[Osborn, Raymond]

Partly to get myself up to speed on the interface issue, I transcribed one of the documents that Mark sent out by email last year onto the NeXus wiki, adding it to an existing discussion page (http://wiki.nexusformat.org/Objects_or_Interfaces). I also added a comment to the discussion tab. I look forward to the discussion in December.

Ray

On Aug 20, 2014, at 8:44 AM, Mark Könnecke <mark.koennecke at psi.ch<mailto:mark.koennecke at psi.ch>> wrote:

Hi,


Am 20.08.2014 um 09:40 schrieb j.wuttke <j.wuttke at fz-juelich.de<mailto:j.wuttke at fz-juelich.de>>:

Mark:

After you fixed "some wordings" in v9 of our manuscript,
an entire paragraph of my invention has become invisible:


On purpose. I sent a message about this but it may have been lost.
The point is that if we adopt NeXus Interfaces at the next NIAC, then
we will be far more specific about rank even in base classes. NeXus
Interfaces have met with little resistance up to now. Which either means
no one read my proposal or people agree…..

My point is that I would rather write nothing about rank then something which
is already wrong at the time of publication.

May be this is a point to discuss at the next Telco….

Regards,

   Mark

NeXus does not specify the *rank* of a data field.
For many, but not all fields it is possible to infer from
the field name or from an explicit annotation whether
the field is a scalar or what its array dimensionality is.
The character data type NXchar is almost always to be
understood as string type.

This needs discussion, the more so since my related posting
http://lists.nexusformat.org/pipermail/nexus-committee/2014/000534.html
has not yet been answered, private messages notwithstanding.

I will not insist on having the above paragraph or a
corrected version thereof in the paper. But I need to
know where we stand. Is my paragraph technically correct?

Best - Joachim
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--
Ray Osborn, Senior Scientist
Materials Science Division
Argonne National Laboratory
Argonne, IL 60439, USA
Phone: +1 (630) 252-9011
Email: ROsborn at anl.gov<mailto:ROsborn at anl.gov>


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