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                 SIMRES ver. 5.0.1, March 2005
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SIMRES is a clone of the program RESTRAX - the package for Monte Carlo 
simulations and data analysis for three-axis neutron spectrometers. 

Provides more flexible (and more realistic) ray-tracing code useful for simulation 
of newly designed or upgraded instruments and optimisation of their configuration. 
This version permits to simulate intensity and distribution of neutron beam in both 
real and momentum subspaces at different positions along the TAS beamline. 
Arrangements derived from TAS setup can also be simulated - they involve e.g. powder
diffractometers equipped with multidetectors, neutron guides or different configurations 
of primary spectormeter (i.e. crystal monochromator with series of collimator or 
guide segments).

RESTRAX may be freely distributed under the terms of the GNU General
Public License (see the file COPYING for details).

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AUTHORS
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Jan Saroun <saroun@ujf.cas.cz> (1,2) 
Jiri Kulda <kulda@ill.fr> (2) 

(1) Nuclear Physics Institute, Rez, Czech Republic 
(2) Institute Laue-Langevin, Grenoble, France

Code written by other authors:
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Mersenne-Twister - random number generator developed by Makoto Matsumoto
and Takuji Nishimura [ACM Trans. on Modeling and Computer Simulation
Vol. 8, No. 1, Januray pp.3-30, 1998] and coded to Fortran by Hiroshi
Takano. http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/emt.html. This
code is included in the file src/m19937.f and is distributed under the
terms of the GNU Library General Public License, see the file
COPYING.LIB.

PGPLOT - the Fortran graphics library written by Tim Pearson, California Institute of Technology, provides graphical representation of results (http://www.astro.caltech.edu/~tjp/pgplot).

Some matrix operation subroutines from the NAPACK library (http://www.netlib.org/napack)

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DOCUMENTATION
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INSTALL - a brief guide how to compile and install the program 

Basic features of SIMRES (command interpreter, instrument parameters etc.) are similar to RESTRAX. 
You can can consult RESTRAX manual at http://omega.ujf.cas.cz/restrax/doc/

Documentation available particularly for SIMRES is scarced, but under development. All news
should be available on the RESTRAX webpage: 
http://omega.ujf.cas.cz/restrax/
