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Dear all,<br class="">
<br class="">
<br class="">
Our 20-year anniversary release McStas 2.5 has been built and is ready for download! Download and installation instructions are available via our GitHub download pages (<a href="https://github.com/McStasMcXtrace/McCode/tree/mcstas-2.5-release/INSTALL-McStas" class="">https://github.com/McStasMcXtrace/McCode/tree/mcstas-2.5-release/INSTALL-McStas</a>)<br class="">
<br class="">
Highligts from the release are listed below.<br class="">
<br class="">
Greetings and merry X-mas from the McStas team - hope you will enjoy this new release! :-)
<div class=""><br class="">
</div>
<div class=""><br class="">
</div>
<div class="">On behalf of the McStas team,<br class="">
<br class="">
Peter Willendrup<br class="">
<br class="">
<br class="">
<div class="">
<div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;">
Peter Kjær Willendrup<br class="">
Forskningsingeniør, Specialkonsulent<br class="">
Næstformand for DTU Fysik LSU<br class="">
<br class="">
DTU Physics<br class="">
<br class="">
</div>
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University of Denmark</span><br style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
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<span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; display: inline !important; float: none;" class="">Department
of Physics</span><br style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; display: inline !important; float: none;" class="">Fysikvej</span><br style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
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307</span><br style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; display: inline !important; float: none;" class="">DK-2800
Kongens Lyngby</span><br style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
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+45 2125 4612</span><br style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; display: inline !important; float: none;" class="">Mobil
+45 2125 4612</span><br style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
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+45 4593 2399</span><br style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; display: inline !important; float: none;" class=""><a href="mailto:pkwi@fysik.dtu.dk" class="">pkwi@fysik.dtu.dk</a></span>
</span></span></div>
<br class="">
</div>
<div class=""><br class="">
<br class="">
Changes in McStas v.2.5, December 12th, 2018<br class="">
<br class="">
McStas 2.5 is the seventh release in the 2.x series and fixes various issues with McStas 2.4.1, plus many new developments. McStas 2.5 is also the 20th anniversary release of McStas - 1.0 was released in October 1998!<br class="">
<br class="">
Thanks: <br class="">
Thanks to all contributors of components, instruments etc.! This is what Open Source and McStas is all about!<br class="">
<br class="">
Installation: <br class="">
Our install docs are now available on the McCode GitHub page at <a href="https://github.com/McStasMcXtrace/McCode/tree/master/INSTALL-McStas" class="">https://github.com/McStasMcXtrace/McCode/tree/master/INSTALL-McStas</a><br class="">
<br class="">
Fixes of issues from last release: <br class="">
A number of issues from 2.4.1 were corrected, see the relevant GitHub issues for details: https://github.com/McStasMcXtrace/McCode/issues?&q=is%3Aissue+is%3Aclosed+label%3A%22McStas+2.4.1%22+<br class="">
<br class="">
Plus lots of work in general: <br class="">
https://github.com/McStasMcXtrace/McCode/issues?&q=is%3Aissue+is%3Aclosed++project%3AMcStasMcXtrace%2FMcCode%2F1+<br class="">
<br class="">
Tools: <br class="">
<br class="">
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• As for the earlier few releases the default set of tools are Python-based and developed by Jakob Garde, DTU. <br class="">
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• The Perl ones are still around as a backup solution, handy for those that prefer "the oldschool way"<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• See https://github.com/McStasMcXtrace/McCode/wiki/User-documentation-for-the-2017--Python-tool-set for usage<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• On Unix platforms, the Perl tools are accessible by adding .pl to the wanted tool (mcgui.pl etc.)<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• On Windows, the Perl tools are accessible by adding -pl to the wanted tool (mcgui-pl etc.)<br class="">
</div>
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• BUT: Please use the Python tools and provide feedback rather than sticking with the Perl! :-)<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• Feature developments:<br class="">
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• mcgui: For a quick visualisation of your instrument, simply useSimulation -> Display-2D and Display-3D (will use the default instrument parameters)<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• mcgui: The run-dialogue now gives quick access to all mcdisplay and mcplot utilities as comboboxes<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• mcdoc: We now provide a mcdoc utility based on Python<br class="">
</div>
</div>
Platforms: <br class="">
<br class="">
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• Our Windows release is finally 64bit. Also further prepackages GSL for use e.g. with Multilayer_sample.comp from R. Dalgliesh (ISIS)<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• If you want to use NeXus and / or MPI on Windows, please ensure to install Strawberry perl!<br class="">
</div>
Libraries: <br class="">
<br class="">
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• NCrystal library from T. Kittelmann (ESS) and X.X. Cai (DTU Nutech/ESS) is distributed with McStas on Unix platforms. To use it, carry out the below steps:<br class="">
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• mcstas:~/NCryst$ mcstas-2.5-environment <br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• mcstas:~/NCryst$ source $MCSTAS/ncrystal/setup.sh<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• mcstas:~/NCryst$ ncrystal_preparemcstasdir <br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• mcstas:~/NCryst$ cp $MCSTAS/examples/NCrystal_example_mcstas.instr .<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• mcstas:~/NCryst$ mcrun -c NCrystal_example_mcstas.instr<br class="">
</div>
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• MCPL library from the same authors now included at v. 1.2.3<br class="">
</div>
Components: <br class="">
<br class="">
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• Single_crystal_inelastic.comp is a development from Duc Le (ISIS) and presents our attempt at a general, inelastic single crystal component. iFit can be used to generate its input,
see http://ifit.mccode.org/McStas.html#mozTocId36233<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• E_4PI.comp is a monitor also from Duc Le, used to illustrate the output of his inelastic component in the instrument Test_Single_crystal_inelastic.instr<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• Magnon_bcc.comp is new inelastic component from K. Lefmann (KU), used in Test_Magnon_bcc_TAS.instr and Test_Magnon_bcc_2D.instr <br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• Isotropic_Sqw.comp from E. Farhi has recieved a number of important edits, including correctiono of a bug found by S. Bellissmia (CNR) relating to detailed balance<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• PowderN received a bugfix from M. Bertelsen (KU) and a set of focusing patches from J. Saroun (NPI)<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• NPI_tof_dhkl_detector.comp and NPI_tof_theta_monitor.comp are new monitor components from J. Saroun (NPI), used in his model of the ESS BEER instrument, see below<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• Guide_multichannel.comp is a new component from J. Saroun (NPI), based on Guide_channeled.comp. It allows to simulate bi-spectral extraction optics.<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• Sqq_w_monitor.comp is a development from P. Willendrup (DTU) and is a "scattering plane" monitor that outputs a set of energy-slices over a (qh,qk) reciprocal space plane, used in
Test_Magnon_bcc_2D.instr<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• Pol_guide_mirror.comp is a development from E. Knudsen (DTU) which among other use cases allows to simulate a so-called "frame overlap mirror" as envisioned for multiple ESS instruments<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• Pol_Bfield.comp from E. Knudsen (DTU) has been updated to allow more flexible geometry and "rotatable" tabulated field descriptions. It replaces Pol_simpleBfield which is now in obsolete.<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• Absorber.comp received a bugfix thanks to Artur Glavic (PSI)<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• FermiChopper.comp had a long-standing issue when using supermirror coatings in the slit-package which is now fixed, thanks to Ryoichi Kajimoto (J-PARC) <br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• All monitors can now suppress file-output when their standard input parameter "nowritefile" is true. The idea is to be able to suppress (some) output at runtime, e.g. in simulations
with lots of monitors.<br class="">
</div>
Instruments: <br class="">
<br class="">
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• ESS_Testbeamline_HZB_V20.instr from Alaa Al-Falahat and Robin Woracek (ESS/HZB) is a model of the ESS test- beamline in Berlin<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• ESS_BEER_MCPL.instr from J. Saroun (NPI) is a model of the ESS BEER secondary spectrometer. It uses MCPL input calculated via SIMRES<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• BTsimple.instr from P. Willendrup (DTU) shows a simple method to calculate brillance transfer through a guide system<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• ILL_H142_D11.instr and ILL_H142_D33.instr from E. Farhi (ILL) are models of the optics in the two well-known ILL SANS instruments<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• ILL_H5_new.instr from E. Farhi (ILL) is a model of the ILL IN5 spectrometer after the guide upgrade in 2011<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• ILL_IN5_Spots.instr modified byP. Willendrup (DTU) is a model of the ILL IN5 spectrometer with multiple resolution-calculation options<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• ISIS_IMAT.instr from G. Burca (ISIS) is a model of the ISIS IMAT engineering-beamline<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• ISIS_SANS2d_Mantid.instr from T. R. Nielsen (ESS) is a model of the ISIS SANS2d instrument with sample and a Mantid output possibility<br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• ISIS_TOSCA_preupgrade.instr and ISIS_TOSCA_preupgrade_Mantid.instr from P. Willendrup and S. Mukhopadhyay, based on an earlier model by M.Zanetti are models of the TOSCA spectrometer
at ISIS<br class="">
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<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• NCrystal_example_mcstas.instr by X.X. Cai (DTU/ESS) is used to illustrate the use of the NCrystal library in McStas<br class="">
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<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• Test_DiskChoppers.instr by P. Willendrup (DTU) compares the use of 2 DiskChoppers with one MultiDiskChopper<br class="">
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<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• Test_Magnon_bcc_TAS.instr from K. Lefmann (KU) and Test_Magnon_bcc_2D.instr P. Willendrup (DTU) illustrate the use of the new Magnon_bcc.comp<br class="">
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<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• Test_Single_crystal_inelastic.instr from Duc Le (ISIS) is a test instrument for Single_crystal_inelastic.comp<br class="">
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<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• Test_Pol_Guide_mirror.instr from E. Knudsen (DTU) is a test instrument for Pol_guide_mirror.comp<br class="">
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<div class=""><span class="Apple-tab-span" style="white-space: pre;"></span>• Test_focus.instr from T. Weber (ILL) compares focusing by Single_crystal and Monochromator_curved<br class="">
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We hope you will enjoy this 20th anniversary release!!!<br class="">
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