[Neutron] McStas 2.7 release

[Peter Kjær Willendrup]

Dear all,


A new release of McStas, v. 2.7 has been built and is ready for download!

Download and installation instructions are available via our GitHub download pages<https://github.com/McStasMcXtrace/McCode/tree/master/INSTALL-McStas>.

Selected highligts from the release are listed below. The full list of changes is also available at http://mcstas.org/CHANGES_McStas.

(A small PS: Our build for CentOS will lack NCrystal for the time being, there are some issues compiling. Talks have been initiated with the NCrystal authors and the missing RPM is expected during next week.)

Changes in McStas v.2.7, November 27th, 2020

  *   McStas 2.7 is the 10th release in the 2.x series, provides minor incremental improvements and fixes various minor issues with McStas 2.6.1
  *   Thanks to all contributors of components, instruments etc.! This is what Open Source and McStas is all about!
  *   Tools:
     *   On macOS (from 11.0 Big Sur onwards), mcgui will assume light/dark mode with the system settings. (The change came from using the system python3 with our app/miniconda-distributed Qt libs etc.)
     *   We now no longer officially support the perl/PGPLOT backend, these may or may not work on your system.
  *   Platforms:
     *   Nothing really new to report here. We still support 64bit Windows 10, all recent 64bit macOS including 11.0 Big Sur, Debian-based and RPM-based distros. (RPMs are built on/for CentOS, you may get varying milage elsewhere.)
  *   Libraries:
     *   Updated version 2.1.1 NCrystal library from T. Kittelmann (ESS) and X.X. Cai (CSNS), distributed with McStas on Unix platforms only.
     *   MCPL library from the same authors now included at v. 1.3.2.
  *   Components:
     *   Updated Union library from Mads Bertelsen, ESS DMSC.
     *   Cyl_monitor.comp, enriched with angular limits and dynamic allocation.
     *   Event_monitor_simple.comp, a simple ascii event-list monitor, good for debugging purposes
  *   Instruments:
     *   New "unit test" instruments for basic functionalities and key components.
     *   Various new instruments used for comparison with the forthcoming McStas 3.0

We hope you will enjoy this new release!!! (And keep an eye out for 3.0, it is almost also there...)

Best,
Peter Willendrup

Peter Kjær Willendrup
Forskningsingeniør, Specialkonsulent
Næstformand for DTU Fysik LSU

DTU Physics


[cid:b6339554-7f28-441d-9f31-5944f811397c at win.dtu.dk]


Technical University of Denmark


[cid:e108e480-fcab-46e2-9531-b38165079572 at win.dtu.dk]



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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