[Nexus] NeXus News

[Pete Jemian]

Added to the wiki page

http://www.nexusformat.org/wiki/index.php?title=NIAC2011_CodeCamp#Final_Report

On 10/26/2011 2:34 AM, Mark Koennecke wrote:
>
> as some of you might know the NeXus technical subcommittee and
> especially Pete
> Jemian have invested a lot of work to update the NeXus manual in the
> last year.
> It is now current and much better then it used to be. In this work we
> arrived
> at a major milestone on our last code camp in chicago, october 20 - 22. Now
> the NeXus WWW site has received a new front page and its content is created
> from the NeXus manual. Though not all of it looking as beautiful as it
> could be,
> at least the content is correct and up to data.
>
> Another good news is that we had some discussions with the detector
> manufacturer
> Dectris. They do the Mythen, Pilatus and Eiger detectors. With the Eiger
> detector they
> will start writing HDF-5 files with NeXus conventions. The programming
> model will be that
> Dectris writes the detector data and the local DAQ system adds further
> meta data to
> the HDF-5 NeXus file. In order to support this, some more fields have
> been added
> to NXdetector.
>
> Other things which we addressed during the code camp:
> - For HDF-5 all dimensions can now be unlimited
>
> - NAPI was moved from HDF-5 1.6 to HDF-5 1.8 which is now current.
> Support for
>   HDF-5 1.6 was stopped two years ago.
>
> - A set of additional API functions was defined which allow to use 64
> bit integers for the
>   dimensions.
>
> - Some more manual work was done: there will be examples how to write
> NeXus files
>   with the HDF-5 API alone soon. A new manual, NeXus for the Impatient,
> is in  progress.
>   This is a short introduction to NeXus in about 10 pages.
>
> - Some more work was done to integrate Ray Osborns tree python API and
> to write more
>   tests for the python interface.
>
> - Some progress was made on axis dependency encoding
>
> - We will gradually move from autotools to cmake for the NeXus API.
>
> - We had some discussions on a new C++ tree API to be written by Eugen
> Wintersberger, on
>   a parallel HDF driver for NeXus, and a possible move to sphinx for the
> NeXus manual.
>
> All in all we managed to put a man months of work into NeXus between the
> seven of
> us who attended the code camp. Many thanks to everyone who participated
> and to Pete
> Jemian who did a wonderful job as a local organiser.
>
> We are in good hope that a new version of the NeXus-API will be released
> before the
> end of this year. We also strive to release a 1.0 release of the NeXus
> application
> definitions by then.
>
> Best Regards,
>
>               Mark Koennecke