17.10 also has OpenCSG 1.4.0: https://pkgs.org/download/opencsg So the same cause, and the same solution should work for you too. Jamie On 15 April 2018 at 08:40, Don Garrett <dgarrett@acm.org> wrote: > Thanks for following up. I've also been seeing this on Ubuntu 17.10. > > On Fri, Apr 13, 2018 at 4:50 PM Jamie Bainbridge > <jamie.bainbridge@gmail.com> wrote: >> >> On 12 April 2018 at 15:35, Jamie Bainbridge <jamie.bainbridge@gmail.com> >> wrote: >> > On 12 April 2018 at 08:52, Torsten Paul <Torsten.Paul@gmx.de> wrote: >> >> I think that Ubuntu still has opencsg < 1.4.2. You could verify >> >> that in the Help->Library Info window. >> >> >> >> Older versions of opencsg have an issue that could cause the >> >> effects you describe. >> > >> > Aha you are correct, I have OpenCSG 1.4.0 >> >> To follow up on this, I fixed it with later libraries: >> >> * Remove libopencsg1_1.4.0 from Ubuntu 16.04 (this removes >> openscad-nightly but that's okay) >> * Install libglew2 and openscg1_1.4.2 from Ubuntu unstable (soon to be >> 18.04 LTS) >> * Install openscad-nightly again >> >> This has solved the problem, I cannot reproduce the disappear-on-F5 at >> all. >> >> Thanks again Torsten! >> >> Jamie >> >> _______________________________________________ >> OpenSCAD mailing list >> Discuss@lists.openscad.org >> http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org > > > _______________________________________________ > OpenSCAD mailing list > Discuss@lists.openscad.org > http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org >

Mmmh, that is annoying. The snapshot I am using works fine, over riding the resident library, but it is frustrating that a later version of Ubuntu does not fix the underlying problem mine now has. I was looking forward to cleaning that up with an upgrade. Grrrrr! Cheers, RobW On 15 April 2018 12:18:18 pm AEST, Jamie Bainbridge <jamie.bainbridge@gmail.com> wrote: >17.10 also has OpenCSG 1.4.0: https://pkgs.org/download/opencsg > >So the same cause, and the same solution should work for you too. > >Jamie > >On 15 April 2018 at 08:40, Don Garrett <dgarrett@acm.org> wrote: >> Thanks for following up. I've also been seeing this on Ubuntu 17.10. >> >> On Fri, Apr 13, 2018 at 4:50 PM Jamie Bainbridge >> <jamie.bainbridge@gmail.com> wrote: >>> >>> On 12 April 2018 at 15:35, Jamie Bainbridge ><jamie.bainbridge@gmail.com> >>> wrote: >>> > On 12 April 2018 at 08:52, Torsten Paul <Torsten.Paul@gmx.de> >wrote: >>> >> I think that Ubuntu still has opencsg < 1.4.2. You could verify >>> >> that in the Help->Library Info window. >>> >> >>> >> Older versions of opencsg have an issue that could cause the >>> >> effects you describe. >>> > >>> > Aha you are correct, I have OpenCSG 1.4.0 >>> >>> To follow up on this, I fixed it with later libraries: >>> >>> * Remove libopencsg1_1.4.0 from Ubuntu 16.04 (this removes >>> openscad-nightly but that's okay) >>> * Install libglew2 and openscg1_1.4.2 from Ubuntu unstable (soon to >be >>> 18.04 LTS) >>> * Install openscad-nightly again >>> >>> This has solved the problem, I cannot reproduce the disappear-on-F5 >at >>> all. >>> >>> Thanks again Torsten! >>> >>> Jamie >>> >>> _______________________________________________ >>> OpenSCAD mailing list >>> Discuss@lists.openscad.org >>> >http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org >> >> >> _______________________________________________ >> OpenSCAD mailing list >> Discuss@lists.openscad.org >> http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org >> > >_______________________________________________ >OpenSCAD mailing list >Discuss@lists.openscad.org >http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org

The next LTS release should fix it, and due soon. On Sat, Apr 14, 2018, 21:39 Rob Ward <rl.ward@bigpond.com> wrote: > Mmmh, that is annoying. The snapshot I am using works fine, over riding > the resident library, but it is frustrating that a later version of Ubuntu > does not fix the underlying problem mine now has. I was looking forward to > cleaning that up with an upgrade. Grrrrr! > > Cheers, RobW > > On 15 April 2018 12:18:18 pm AEST, Jamie Bainbridge < > jamie.bainbridge@gmail.com> wrote: > >> 17.10 also has OpenCSG 1.4.0: https://pkgs.org/download/opencsg >> >> So the same cause, and the same solution should work for you too. >> >> Jamie >> >> On 15 April 2018 at 08:40, Don Garrett <dgarrett@acm.org> wrote: >> >> Thanks for following up. I've also been seeing this on Ubuntu 17.10. >>> >>> On Fri, Apr 13, 2018 at 4:50 PM Jamie Bainbridge >>> <jamie.bainbridge@gmail.com> wrote: >>> >> >>>> On 12 April 2018 at 15:35, Jamie Bainbridge <jamie.bainbridge@gmail.com> >>>> wrote: >>>> >>>>> On 12 April 2018 at 08:52, Torsten Paul <Torsten.Paul@gmx.de> wrote: >>>>> >>>>>> I think that Ubuntu still has opencsg < 1.4.2. You could verify >>>>>> that in the Help->Library Info window. >>>>>> >>>>>> Older versions of opencsg have an issue that could cause the >>>>>> effects you describe. >>>>>> >>>>> >>>>> Aha you are correct, I have OpenCSG 1.4.0 >>>>> >>>> >>>> To follow up on this, I fixed it with later libraries: >>>> >>>> * Remove libopencsg1_1.4.0 from Ubuntu 16.04 (this removes >>>> openscad-nightly but that's okay) >>>> * Install libglew2 and openscg1_1.4.2 from Ubuntu unstable (soon to be >>>> 18.04 LTS) >>>> * Install openscad-nightly again >>>> >>>> This has solved the problem, I cannot reproduce the disappear-on-F5 at >>>> all. >>>> >>>> Thanks again Torsten! >>>> >>>> Jamie >>>> >>>> ------------------------------ >>>> >>>> OpenSCAD mailing list >>>> Discuss@lists.openscad.org >>>> http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org >>>> >>> >>> >>> ------------------------------ >>> >>> OpenSCAD mailing list >>> Discuss@lists.openscad.org >>> http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org >> >> >> >> ------------------------------ >> >> OpenSCAD mailing list >> Discuss@lists.openscad.org >> http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org >> >> _______________________________________________ > OpenSCAD mailing list > Discuss@lists.openscad.org > http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org >