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It seems that the command executed is simply mcgui/mxgui

willend

McStas: Investigate Al.laz/Al.lau discrepancies

2

See e.g. ILL_H5 where it is used for multiple Al windows

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McStas 3.1 macOS/Intel was built on macOS 12

1

(May prevent execution of the code-generator on macOS 10) Test should be carried out wrt. the other "current" McStas and McXtrace releases, plus we should decide on which releases are...

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It seems build was by mistake carried out as a "mcstas 1.7".

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See http://new-nightly.mcxtrace.org/2022-03-16/McXtrace-1.x_CPU_MPICC_5e7/Test_Absorption/run_stdout_1.txt (segfault in MPI mode)

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See content of http://new-nightly.mcstas.org/2022-03-18/McStas-2.x_CPU_MPICC_5e7/ILL_IN4/compile_stdout.txt "CRITICAL: User interrupt." ??

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McXtrace 3.0 on MacOS Intel was distributed without GSL...

1

Workaround, in a terminal, run the commands 1) ```source /Applications/McXtrace-3.0.app/Contents/Resources/mcxtrace/3.0/miniconda3/bin/activate ``` 2) ```conda install gsl```

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e.g. ``` m(c/x)plot directory/ --sweep monitorfile.mon ```

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Bragg component EXTEND SCATTERED ABSORB

1

On my end it seems like the behavior differs between the 1.7 and 3.0 version. The EXTEND %{ if (!SCATTERED) ABSORB; %} seems to be ignored in McXtrace 3.0. [example](https://raw.githubusercontent.com/antoinepado/tt/main/dcm.instr)

antoinepado

McXtrace mxplot calls mcplot-pyqtgraph when 'x' is pressed.

1

There is a hard-coded call of mcplot somewhere, needs a mccode_config based switch

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