[NeXus-committee] is NeXus a "data exchange format"

[Osborn, Raymond]

That seems to me to be a perfect description of what NeXus is for.

Ray

On Sep 1, 2014, at 10:43 AM, Herbert J. Bernstein <yayahjb at gmail.com> wrote:

> Dear Colleagues,
> 
>  In my discipline we have been unable to resolve the question of what
> is the "real" data that should be archived/exchanged.  Different
> people have different requirements.   I think it is a mistake to make
> the
> decision at the level of the format specification.  I would suggest
> that the format be as liberal a container
> as possible, able to absorb any combination of raw, partially
> processed, fully processed or completely
> fictional (i.e. pure conjecture models) as possible and let the
> beamline scientists, the experimentalists,
> the end users, the theorists and the archivists decide which parts of
> which files are useful to them.  If
> somebody has something they consider useful, we should provide a
> convenient way for them to store it
> that is sufficiently well-documented that they have a chance of
> reading it back later, and, better, that
> there is even a chance that a third party might also be able to read
> and understand it.
> 
>  Regards,
>    Herbert
> 
> On Mon, Sep 1, 2014 at 9:38 AM, Mark Könnecke <mark.koennecke at psi.ch> wrote:
>> 
>> Joachim,
>> 
>> Am 01.09.2014 um 15:17 schrieb Joachim Wuttke <j.wuttke at fz-juelich.de>:
>> 
>>> Does the manuscript reflect current consensus:
>>> NeXus aims to be "a common data exchange format",
>>> i.e. not a primary raw data format, nor an archival format?
>>> 
>> 
>> This is the consensus; I will will check if this reflected properly.
>> 
>>> Why then all the application definitions at raw count level?
>>> Why should I wish to _exchange_ event-mode logs prior to
>>> reducing them?
>> 
>> * Application definitions at raw data level facilitate collaboration on data reduction software. And especially
>>  with event mode data you may want to rerun the reduction with other binnings etc.
>> * Application definitions at the processed data level facilitate collaboration on data analysis software. And there are processed
>>  data application definitions.
>> 
>> Regards
>> 
>>    Mark
>> 
>> 
>>> 
>>> - Joachim
>>> 
>>> _______________________________________________
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>>> NeXus-committee at nexusformat.org
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>> 
>> 
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> 
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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