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Fwd: NeXus - A Common Data Format for Neutrons and X-rays
- Subject: Fwd: NeXus - A Common Data Format for Neutrons and X-rays
- From: "John D. Barnes" <john.barnes@nist.gov>
- Date: Thu, 7 Aug 97 17:34:58 -0400
---------------- Begin Forwarded Message ---------------- Date: 08/06 6:00 PM Received: 08/06 8:14 PM From: Ray Osborn, ROsborn@anl.gov To: neutron_listserver, neutron@anl.gov ======================================================= NeXus --- A Common Data Format for Neutrons and X-rays ======================================================= NeXus is a data format for the exchange of neutron and synchrotron scattering data between facilities and user institutions. It has been developed by an international team of scientists and computer programmers from neutron and X-ray facilities around the world. The NeXus format uses the Hierarchical Data Format (HDF) which is portable, binary, extensible and self-describing. NeXus defines the structure and contents of these HDF files in order to facilitate the visualization and analysis of neutron and X-ray data. In addition, an Application Program Interface (API) has been produced in order to simplify the reading and writing of NeXus files. In our view, a common data format will, in the long term, produce significant benefits to the neutron scattering community by * reducing time spent on converting existing data formats. * reducing wasteful duplication of software effort. * increasing cooperation in software development both between neutron facilities and between the neutron and X-ray scattering communities. * stimulating the development of more sophisticated visualization and analysis software. * allowing us to benefit more easily from third-party software. We invite members of the neutron and X-ray scattering communities to participate in the evaluation of the NeXus format in the next few months. The NeXus web pages at <http://www.neutron.anl.gov/NeXus/> give the background to its development, the philosophy of the design, details of the structure and content of NeXus files and a description of the API, a beta version of which may be downloaded by FTP from <ftp://ftp.neutron.anl.gov/pub/NeXus/> (N.B. some small revisions are being made to the API - it should be up-to-date by noon CST tomorrow). If you are interested in contributing to further developments of the NeXus standard or would like to be kept informed of new developments, please subscribe to the NeXus Mailing List using the instructions in <http://www.neutron.anl.gov/NeXus/NeXus_mail.html>. -------------------------------------------------------------------------- Message to ICNS'97 Participants: There will be a session introducing the NeXus format on Tues, Aug 19, at 8pm in the McLennan Physical Laboratories, room 134 (adjacent to the poster sessions). Przemek Klosowski (NIST) and I will discuss the design and implementation of the format with time for a feedback session. If you have any questions or comments regarding NeXus, please come along. ------------------------------------------------------ Dr Ray Osborn Tel: +1 (630) 252-9011 Materials Science Division Fax: +1 (630) 252-7777 Argonne National Laboratory E-mail: ROsborn@anl.gov Argonne, IL 60439-4845 ----------------- End Forwarded Message ----------------- Dr. John D. Barnes email: john.barnes@nist.gov NIST Polymer Structure and Mechanics Grp Voice: 301-975-6786 Bldg 224, Rm A209 FAX: 301-975-4977 NIST, Gaithersburg, MD 20899 URL: http://www.nist.gov/sas or http://www.ctcms.nist.gov/~jdbarnes
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