[GSAS-II] SOLVED Problem with wxPython on Linux

[Anselm Loges]

Hi,

quick update for anyone who might have the same problem in the future:
As per Brian's recommendation I downgraded to wxPython 4.0.7, which seems
to have solved the problem.

Best regards,
Anselm




> Hi there,
>
> I am trying to install GSAS-II on Linux, Ubuntu 18.04 on a machine running
> an Intel processor. Following the installation guide
> (https://subversion.xray.aps.anl.gov/trac/pyGSAS/wiki/InstallLinux),
> Method "I. Installing the easy way" did not work. I did not try the second
> method since I do not currently run Anaconda nor do I intend to start
> using it. So Method "III. Installing Python etc. Manually" it is. I have
> gotten a successful install and can run the software. However some
> features are inaccessible because the according fields are not displayed.
> When I click on some of the items within the PWDR branch in the tree on
> the left hand side of the main window, nothing shows up in the main space
> (e.g. "Sample Parameters") or the items are all squashed together in a
> single line (e.g. "Background"). Other items like "Instrument Parameters"
> or "Peak List" seem to work as expected. Whenever I click on an item that
> does not work, the last few lines in the terminal window show an error
> that reads something like this:
>
> topSizer.Add((-1,-1),1,WACV|wx.EXPAND)
> wx._core.wxAssertionError: C++ assertion "!(flags & (wxALIGN_BOTTOM |
> wxALIGN_CENTRE_VERTICAL))" failed at
> /tmp/pip-build-gvydcwjt/wxpython/ext/wxWidgets/src/common/sizer.cpp(2114)
> in DoInsert(): Vertical alignment flags are ignored with wxEXPAND
>
> When I try to open a project, the last lines read:
>
> mainSizer.Add(wtSizer,0,WACV)
> wx._core.wxAssertionError: C++ assertion "!(flags &
> wxALIGN_CENTRE_VERTICAL)" failed at
> /tmp/pip-build-gvydcwjt/wxpython/ext/wxWidgets/src/common/sizer.cpp(2077)
> in DoInsert(): Vertical alignment flags are ignored in vertical sizers
>
> So there seems to be some problem with the alignment functionality of
> DoInsert() in wxPython. I am running these package versions:
>
> Python module versions loaded:
>   Python:     3.6.9
>   wx:         4.1.0
>   matplotlib: 3.3.0
>   numpy:      1.19.2
>   scipy:      1.5.1
>   OpenGL:     3.1.5
>   Image:      7.2.0 (PIL or Pillow)
>   Platform:   linux 64bit x86_64
> This is GSAS-II revision 4588 (SVN version 4588)
>
> Has anyone else had and (preferrably) solved this problem?
>
> Thanks and best regards,
> Anselm
>
>
> _______________________________________________
> GSAS-II mailing list
> GSAS-II at aps.anl.gov
> https://mailman.aps.anl.gov/mailman/listinfo/gsas-ii
>


--------------------------------------------
Wiss. Mitarbeiter / Postdoc
SFB1349 "Fluor-Spezifische Wechselwirkungen"
Freie Universität Berlin
Arbeitsbereich Mineralogie-Petrologie
Malteserstr. 74-100
Ge­bäude N, Raum N 26
12249 Berlin
Tel: +49 30 838 666 39