Hello Brian, thanks for your suggestions, eventually I solved the problem with Achim's hint of using opengl software rendering because the graphics card is not supporting all opengl requirements.
I have followed this guide: https://x.cygwin.com/docs/ug/using-glx.html Fabio > Il 27/04/2023 18:30 Brian Inglis <brian.ing...@shaw.ca> ha scritto: > > > Hi Fabio, > > Are you running from a bash shell under a terminal started from the XWin > Server > shortcut or X Applications Menu? > > Those variables are defined in my shell: > > $ echo $XDG_CURRENT_DESKTOP $XDG_MENU_PREFIX $XDG_RUNTIME_DIR > X-Cygwin xwin- /run/user/######/ > > -- > Take care. Thanks, Brian Inglis Calgary, Alberta, Canada > > La perfection est atteinte Perfection is achieved > non pas lorsqu'il n'y a plus rien à ajouter not when there is no more to add > mais lorsqu'il n'y a plus rien à retirer but when there is no more to cut > -- Antoine de Saint-Exupéry > > > On 2023-04-27 10:15, Fabio Rossi wrote: > > Hello Brians, > > thanks for the suggestions. I had already installed the xorg server and all > > the packages you mentioned. But nevertheless I get the errors reported in > > the original email, both if I start octave from the shell or by using the > > XDG menu which starts octave with the GUI. > > > > In particular, in the second case I confirm all the opengl messages already > > reported and I get the following results in the octave command line: > > > >>> getenv('XDG_CURRENT_DESKTOP') > > ans = X-Cygwin > >>> getenv('XDG_MENU_PREFIX') > > ans = xwin- > >>> getenv('XDG_RUNTIME_DIR') > > ans = > > > >>From the shell all of the previous variables are of course empty. With the > >>past versions of octave it was plotting when run from the bash. > > > > Thanks, > > Fabio > > > >> Il 27/04/2023 17:48 Brian Inglis <brian.ing...@shaw.ca> ha scritto: > >> > >> > >> Hi Fabio, > >> > >> Some packages include non-GUI or native GUI interfaces that do not require > >> window system support. > >> > >> Others may dynamically support window systems if they are installed, or > >> have > >> separate executables for console or GUI, as octave does: octave and > >> octave-cli. > >> > >> If you are using octave GUI, as it is linked against X window libraries, > >> you > >> need to install the X window system. > >> > >> If you install xinit, that will install the X Window server xorg-server, > >> XDG > >> components xdg-user-dirs, xwin-xdg-menu, X Window clients. > >> > >> If you then run it via the XWin Server Start Menu shortcut, it will define > >> $XDG_CURRENT_DESKTOP, $XDG_MENU_PREFIX, and $XDG_RUNTIME_DIR. > >> > >> That should allow you to run octave GUI and display plot windows. > >> > >> -- > >> Take care. Thanks, Brian Inglis Calgary, Alberta, Canada > >> > >> La perfection est atteinte Perfection is achieved > >> non pas lorsqu'il n'y a plus rien à ajouter not when there is no more to > >> add > >> mais lorsqu'il n'y a plus rien à retirer but when there is no more to > >> cut > >> -- Antoine de Saint-Exupéry > >> > >> > >> On 2023-04-27 07:58, Fabio Rossi via Cygwin wrote: > >>> I forgot to mention that the test machine is running Windows 10 Pro 64 > >>> bit with a ATI FirePro 3800 graphics card. On the same machine, octave > >>> built for Windows executes correctly the same command. I have observed > >>> the same behaviour also on other Windows machines running Win7 or other > >>> graphic adapters. > >>> > >>> Fabio > >>>> Il 26/04/2023 15:34 Fabio Rossi <ross...@inwind.it> ha scritto: > >>>> > >>>> > >>>> I have installed latest test version of octave 8.2.0-1. When I try to > >>>> plot using a simple command like "plot(1,1)" I get the following errors > >>>> from the command line > >>>> > >>>> $ octave > >>>> QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to > >>>> '/tmp/runtime-XXXX+user' > >>>> GNU Octave, version 8.2.0 > >>>> Copyright (C) 1993-2023 The Octave Project Developers. > >>>> This is free software; see the source code for copying conditions. > >>>> There is ABSOLUTELY NO WARRANTY; not even for MERCHANTABILITY or > >>>> FITNESS FOR A PARTICULAR PURPOSE. For details, type 'warranty'. > >>>> > >>>> Octave was configured for "x86_64-pc-cygwin". > >>>> > >>>> Additional information about Octave is available at > >>>> https://www.octave.org. > >>>> > >>>> Please contribute if you find this software useful. > >>>> For more information, visit https://www.octave.org/get-involved.html > >>>> > >>>> Read https://www.octave.org/bugs.html to learn how to submit bug reports. > >>>> For information about changes from previous versions, type 'news'. > >>>> > >>>> octave:1> plot(1,1) > >>>> wglMakeCurrent error: 00000006 > >>>> wglMakeCurrent error: 00000006 > >>>> warning: opengl_renderer: Error 'invalid operation' (1282) occurred in > >>>> init_gl_context > >>>> warning: called from > >>>> __uiobject_split_args__ at line 61 column 9 > >>>> uimenu at line 94 column 13 > >>>> __add_default_menu__ at line 59 column 5 > >>>> figure at line 97 column 5 > >>>> newplot at line 120 column 10 > >>>> plot at line 234 column 9 > >>>> > >>>> warning: opengl_renderer: Error 'invalid operation' (1282) occurred > >>>> drawing 'uimenu' object > >>>> warning: called from > >>>> __uiobject_split_args__ at line 61 column 9 > >>>> uimenu at line 94 column 13 > >>>> __add_default_menu__ at line 59 column 5 > >>>> figure at line 97 column 5 > >>>> newplot at line 120 column 10 > >>>> plot at line 234 column 9 > >>>> > >>>> warning: opengl_renderer: Error 'invalid operation' (1282) occurred > >>>> drawing 'figure' object > >>>> warning: called from > >>>> __uiobject_split_args__ at line 61 column 9 > >>>> uimenu at line 94 column 13 > >>>> __add_default_menu__ at line 59 column 5 > >>>> figure at line 97 column 5 > >>>> newplot at line 120 column 10 > >>>> plot at line 234 column 9 > >>>> > >>>> wglMakeCurrent error: 00000006 > >>>> warning: opengl_renderer: Error 'invalid operation' (1282) occurred in > >>>> init_gl_context > >>>> warning: called from > >>>> __add_default_menu__ at line 165 column 3 > >>>> figure at line 97 column 5 > >>>> newplot at line 120 column 10 > >>>> plot at line 234 column 9 > >>>> > >>>> warning: opengl_renderer: Error 'invalid operation' (1282) occurred > >>>> drawing 'uimenu' object > >>>> warning: called from > >>>> __add_default_menu__ at line 165 column 3 > >>>> figure at line 97 column 5 > >>>> newplot at line 120 column 10 > >>>> plot at line 234 column 9 > >>>> > >>>> warning: opengl_renderer: Error 'invalid operation' (1282) occurred > >>>> drawing 'uimenu' object > >>>> warning: called from > >>>> __add_default_menu__ at line 165 column 3 > >>>> figure at line 97 column 5 > >>>> newplot at line 120 column 10 > >>>> plot at line 234 column 9 > >>>> > >>>> warning: opengl_renderer: Error 'invalid operation' (1282) occurred > >>>> drawing 'uimenu' object > >>>> warning: called from > >>>> __add_default_menu__ at line 165 column 3 > >>>> figure at line 97 column 5 > >>>> newplot at line 120 column 10 > >>>> plot at line 234 column 9 > >>>> > >>>> warning: opengl_renderer: Error 'invalid operation' (1282) occurred > >>>> drawing 'uitoolbar' object > >>>> warning: called from > >>>> __add_default_menu__ at line 165 column 3 > >>>> figure at line 97 column 5 > >>>> newplot at line 120 column 10 > >>>> plot at line 234 column 9 > >>>> > >>>> warning: opengl_renderer: Error 'invalid operation' (1282) occurred > >>>> drawing 'figure' object > >>>> warning: called from > >>>> __add_default_menu__ at line 165 column 3 > >>>> figure at line 97 column 5 > >>>> newplot at line 120 column 10 > >>>> plot at line 234 column 9 > >>>> > >>>> warning: opengl_renderer: Error 'invalid operation' (1282) occurred in > >>>> init_gl_context > >>>> warning: called from > >>>> __add_default_menu__ at line 165 column 3 > >>>> figure at line 97 column 5 > >>>> newplot at line 120 column 10 > >>>> plot at line 234 column 9 > >>>> > >>>> warning: opengl_renderer: Error 'invalid operation' (1282) occurred > >>>> drawing 'uimenu' object > >>>> warning: called from > >>>> __add_default_menu__ at line 165 column 3 > >>>> figure at line 97 column 5 > >>>> newplot at line 120 column 10 > >>>> plot at line 234 column 9 > >>>> > >>>> warning: opengl_renderer: Error 'invalid operation' (1282) occurred > >>>> drawing 'uimenu' object > >>>> warning: called from > >>>> __add_default_menu__ at line 165 column 3 > >>>> figure at line 97 column 5 > >>>> newplot at line 120 column 10 > >>>> plot at line 234 column 9 > >>>> > >>>> warning: opengl_renderer: Error 'invalid operation' (1282) occurred > >>>> drawing 'uimenu' object > >>>> warning: called from > >>>> __add_default_menu__ at line 165 column 3 > >>>> figure at line 97 column 5 > >>>> newplot at line 120 column 10 > >>>> plot at line 234 column 9 > >>>> > >>>> warning: opengl_renderer: Error 'invalid operation' (1282) occurred > >>>> drawing 'uitoolbar' object > >>>> warning: called from > >>>> __add_default_menu__ at line 165 column 3 > >>>> figure at line 97 column 5 > >>>> newplot at line 120 column 10 > >>>> plot at line 234 column 9 > >>>> > >>>> warning: opengl_renderer: Error 'invalid operation' (1282) occurred > >>>> drawing 'figure' object > >>>> warning: called from > >>>> __add_default_menu__ at line 165 column 3 > >>>> figure at line 97 column 5 > >>>> newplot at line 120 column 10 > >>>> plot at line 234 column 9 > >>>> > >>>> octave:2> wglMakeCurrent error: 00000006 > >>>> warning: opengl_renderer: Error 'invalid operation' (1282) occurred in > >>>> init_gl_context > >>>> warning: opengl_renderer: Error 'invalid operation' (1282) occurred > >>>> drawing 'uimenu' object > >>>> warning: opengl_renderer: Error 'invalid operation' (1282) occurred > >>>> drawing 'uimenu' object > >>>> warning: opengl_renderer: Error 'invalid operation' (1282) occurred > >>>> drawing 'uimenu' object > >>>> warning: opengl_renderer: Error 'invalid operation' (1282) occurred > >>>> drawing 'uitoolbar' object > >>>> warning: opengl_texture::create: the opengl library in use doesn't > >>>> support images with either dimension larger than -367397472. Not > >>>> rendering. > >>>> > >>>> The plot window is opened but becomes unresponsive, it is impossible to > >>>> close it. The same happens if I start octave with the --gui option. The > >>>> same happens also with latest stable 6.4.0-1 version -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
