[NeXus-tech] Fwd: RE: NeXus 2011 CodeCamp at APS later this week

[freddie.akeroyd at stfc.ac.uk]

Hi Pete,

NeXus currently supports only a single unlimited array dimension (specified via NX_UNLIMITED), but HDF5 supports multiple unlimited array dimensions. Tobias has created a ticket for this (http://trac.nexusformat.org/code/ticket/258) and it is something we could look at during the code camp 

Regards,

Freddie

-----Original Message-----
From: nexus-tech-bounces at nexusformat.org [mailto:nexus-tech-bounces at nexusformat.org] On Behalf Of Pete R. Jemian
Sent: 17 October 2011 20:04
To: NeXus Technical sub-committee list
Subject: [NeXus-tech] Fwd: RE: NeXus 2011 CodeCamp at APS later this week



-------- Original Message --------
Subject: RE: NeXus 2011 CodeCamp at APS later this week
Date: Mon, 17 Oct 2011 13:48:57 -0500
From: Mark Rivers <rivers at cars.uchicago.edu>
To: <jemian at anl.gov>

Hi Pete,

One thing that would be nice to add to the NeXus API is support for the
H5S_UNLIMITED dimension.  This would allow NeXus files to be used to
collect data where the number of arrays is not known in advance.  It
would allow the areaDetector NeXus plugin to be used to collect frames
for as long as desired and then stop.  This can currently be done with
the areaDetector HDF5 file plugin, but not with the NeXus file plugin.

I am not certain that this is due to a limitation of the current NeXus
API (or just the areaDetector NeXus plugin), but I think it is.

Mark


-----Original Message-----
From: Pete Jemian [mailto:jemian at anl.gov]
Sent: Monday, October 17, 2011 1:05 PM
To: Nicholas Schwarz; Claude Saunders; De Carlo Francesco; Chris
Jacobsen; Mark Rivers
Subject: NeXus 2011 CodeCamp at APS later this week



http://www.nexusformat.org/NIAC2011_CodeCamp

2011 October 20-22 (Thursday - Saturday)

APS Building 401, Conference room B2100

See WWW page for details


-- 
----------------------------------------------------------
   Pete R. Jemian, Ph.D.                <jemian at anl.gov>
   Beam line Controls and Data Acquisition, Group Leader
   Advanced Photon Source,   Argonne National Laboratory
   Argonne, IL  60439                   630 - 252 - 3189
-----------------------------------------------------------
      Education is the one thing for which people
         are willing to pay yet not receive.
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