[neutron-mc] Announcing McStas 1.9.1

[Peter Willendrup]

Hello everyone,


The McStas (http://www.mcstas.org) team is happy to announce that an update release 
of the general neutron ray-trace simulation package is now available. 

The new release can be downloaded from the project website at
http://www.mcstas.org/download

For a list of the most important new bugfixes, additions and features,
see the attached CHANGES.txt document.


Regards from the McStas team:

Peter Willendrup - peter.willendrup at risoe.dk
Peter Christiansen - peter.christiansen at risoe.dk
Kim Lefmann - kim.lefmann at risoe.dk
Emmanuel Farhi - farhi at ill.fr
Klaus Lieutenant - lieutena at ill.fr

-- 
Peter Willendrup <peter.willendrup at risoe.dk>
Risø National Laboratory
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/*******************************************************************************
*
* McStas, neutron ray-tracing package
*         Copyright (C) 1997-2006, All rights reserved
*         Risoe National Laboratory, Roskilde, Denmark
*         Institut Laue Langevin, Grenoble, France
*
* Documentation: CHANGES
*
* %Identification
* Written by: KN, KL, PEO, EF, PW
* Date: 1997
* Origin: Risoe, ILL, ANSTO
* Release: McStas 1.8
* Version: 1.8
* Modified by: KN, October 26, 1998 : initial release 1.0
* Modified by: KN, March 31, 1999   : release 1.1
* Modified by: KN, January 31, 2000 : release 1.2
* Modified by: KN, May 18, 2000     : release 1.3
* Modified by: KN, July 28, 2000    : release 1.4
* Modified by: KN, PEO, March 16, 2001: release 1.4.1
* Modified by: PEO, EF, October, 10th, 2001: release 1.5
* Modified by: PW, EF, May 19th 2003: version 1.7
* Modified by: PW, EF, March 4th 2004: version 1.8
* Modified by: PW, EF, November 16th 2005: version 1.9
*
* This file is part of McStas  version 1.9, released November, 16th, 2005.
* It gives a 'changes' list from the beginning of the project
*
*******************************************************************************/
Changes in McStas v1.9.1, Mar 29, 2006

  General
  - Update release, mainly bugfixes plus a few other things

  Documentation
  - Component manual slightly updated according to adding/modification of components.

  Tools
  - mcgui: A few bugfixes. Note also that if you experience crashes when starting/running
    GNOME/Gtk2 applications, update your perl-Tk installation. Two ways to do this:
    1) Get the tarball from http://www.mcstas.org/download/Tk-804.027_gtk2_patch.tar.gz and
       install using 'perl Makefile.PL && make && make install'. 
    2) Do a 'make tk' in the McStas unpacked McStas source directory. This will download and
       install the tarball into your McStas system directory.

  Components
  - DiskChopper.comp - new disc chopper component. Chopper.comp made obsolete. 
    See mcdoc page / component manual for further details.
  - Guide.comp - reads reflectivity tables from disk.
  - Isotropic_Sqw - minor bugfixes, validated against PowerN, V_sample, etc.
  - PowderN - validated against Isotropix_Sqw, Squires, experimental data.

  WARNINGS
  - Because of rapid changes in the support software for McStas, the current release has support
    for only some releases of:

    * Scilab (Win32 and Unix) - pick release 4.0 if available or pick release 3.0 from , e.g. from
      http://www.scilab.org/download/index_download.php?page=oldReleases.html

    * Perl (Win32) - on Windows we only support Perl 5.6 - pick
      http://downloads.activestate.com/ActivePerl/Windows/5.6/ActivePerl-5.6.1.638-MSWin32-x86.msi

    * If you are running Unix with GNOME/Gtk2 applications, you may experience problems with mcgui
      crashing, please install updated perl-Tk as noted above.