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Question Re: OpenGL not registered despite succesful installation 

Forum: Installation and Configuration
Re: None OpenGL not registered despite succesful installation (Remy Prechelt)
Date: 11 Sep, 2017
From: Ben Morgan <Ben Morgan>

On Sat, 09 Sep 2017 09:41:45 GMT, Remy Prechelt wrote:
> I've had Geant4+OGL running on this Linux machine (Arch 4.12 with Intel
> video card) for a few years and through a few versions. I removed all
> previous traces of Geant4 and downloaded the latest source code to
> attempt to update. I compiled Geant with -DGEANT4_USE_OPENGL_X11 and
> -DGEANT4_USE_QT. The compilation process reports that the OpenGL
> component was successfully installed and there are object
> files in the install directory.
> When I attempt to run one of the examples, a new QT window opens (as
> expected) but OGL is not one of the registered graphic systems.
> "Current available graphics systems are: ASCIITree (ATree) DAWNFILE
> (DAWNFILE) G4HepRep (HepRepXML) G4HepRepFile (HepRepFile) RayTracer
> (gMocrenFile) "
> I've reinstalled mesa, updated my system, restarted, and recompiled a
> few times but still no luck. I'm at a loss for how to investigate this
> further. Other applications can use OpenGL without issue.
> Anyone have any ideas?

How did you configure/build the example? With CMake/GNUmake/custom? It sounds like Qt support is available, but only the UI portion is enabled when building the example.

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