[Neutron] McStas 2.2 released!

[Peter Kjær Willendrup]

Dear all,


We have unfortunately discovered a serious bug in random number generation in the newly released McStas 2.2.

A patched replacement-release will be released either today or early next week. Sorry for the inconvenience this may have caused you.


Best regards,

Peter Willendrup



Peter Kjær Willendrup
Senior Research Engineer, Special Advisor

DTU Physics



Technical University of Denmark



[cid:image002.gif at 01CCCAF1.5E6331F0]


Department of Physics
Fysikvej

Building 307

DK-2800 Kongens Lyngby

Direct +45 2125 4612

Mobil +45 2125 4612
Fax +45 4593 2399


pkwi at fysik.dtu.dk<mailto:pkwi at fysik.dtu.dk>

On 27 May 2015, at 17:06 , Peter Kjær Willendrup <pkwi at fysik.dtu.dk<mailto:pkwi at fysik.dtu.dk>> wrote:

Dear all,


McStas 2.2 has been released and is ready for download via http://downloads.mcstas.org/mcstas-2.2

Selected, important highligts from the release are:

• General:
• The new component/instrument keyword DEPENDENCY allows to automatically
   compile instruments with external libraries.
• The Mantid-IDF generation through our Perl mcdisplay tool has been optimized.
• Bugfix: The use of WHEN with EXTEND code only considered the first statement
  (report by M. Appel)
• Infrastructure:
• McStas (and its X-ray counterpart McXtrace) are now on GitHub,
  see https://github.com/McStasMcXtrace/McCode
• We will continually provide various bits of "missing information" on the related Wiki
  at https://github.com/McStasMcXtrace/McCode/wiki
• Components:
• A new model for the ESS butterfly moderator - see documentation for the ESS_moderator.comp.
  Developed by Peter Willendrup in close collaboration with Troels Schoenfeldt DTU Nutech/ESS.
** A separate document with recommended settings for this component will be released later,
also a version backported to McStas 1.12c. **
• The Isotropic_Sqw component was broken in McStas 2.1. The expected behaviour has been
  restored. Users of this component should upgrade to McStas 2.2 asap. Sorry for the inconvenience.
• Instruments:
• ILL_IN13 backscattering instrument contributed by Emmanuel Farhi
• ILL_IN4 tof instrument contributed by Emmanuel Farhi
• Datafiles:
• Improved water Sqw data files contributed by Emmanuel Farhi (- see also JNST 52 (2015) 844 )
• Added CaF2 crystal, improved Al2O3 sapphire transmission
• Tools:
• McStas 2.2 is the first release to include a first version of our new mcgui-py tool, based on Python,
  QT and Scintilla. We think it is a very nice start at this long-awaited replacement of mcgui (Perl)
  and want you to try it out even though a few edges may still be rough here and there. For installation
  instructions, see the README's included with the installation packages.
• McStas 2.2 further includes a simple mcplot plotter for Unix platforms (Linux, OS X) based solely on
  shell-script + Matlab/iFit/Octave, no need for Perl or Python with this plotter, called mcplot-matlab


Greetings from the McStas team - hope you will enjoy this new release! :-)

Peter Willendrup


Peter Kjær Willendrup
Senior Research Engineer, Special Advisor

DTU Physics

<image001.gif>

Technical University of Denmark



<image002.gif>


Department of Physics
Fysikvej

Building 307

DK-2800 Kongens Lyngby

Direct +45 2125 4612

Mobil +45 2125 4612
Fax +45 4593 2399


pkwi at fysik.dtu.dk<mailto:pkwi at fysik.dtu.dk>





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