[Gate-users] Cannot get visualization to work with GATE

[José Ramos]

Check if the OpenGL libraries are correctly installed on your system. Geant4
search this libraries in /usr directory. What linux version are you use?



Message: 1
> Date: Sat, 4 Apr 2009 01:42:02 -0500
> From: Naser Darwish <naser.darwish at gmail.com>
> Subject: [Gate-users] Cannot get visualization to work with GATE
> To: gate-users at lists.healthgrid.org
> Message-ID:
>        <48b9aacc0904032342w158a4dc8n74fd9223014916c3 at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Dear GATE users,
>
> I have geant4.9.1.p02 with GATE 4.0 installed and I can get the
> simulation to work without visualization. However, I would like to be
> able to use the visualization openGL but I cannot get it to work. What
> is the mechanism of the steps for visualization prior to and after
> simulation? I do not know how to get the visualization to work.  I am
> following the GATE manual in setting up the visualization script and I
> know that openGL should be installed because when I initialize, I get
> the following comment:
>
> On this machine the G4VIS_USE_OPENGLX=1
>
>
> This what I type for visualization in the GATE script
>
> #VISUALIZATION
> /vis/open OGLSX
> /vis/viewer/reset
> /vis/viewer/set/viewpointThetaPhi 90 90
> /vis/viewer/zoom 2
> /vis/viewer/set/style surface
> /vis/drawVolume
> /tracking/storeTrajectory 1
> /vis/scene/endOfEventAction accumulate
> /vis/viewer/update
> /vis/verbose 2
> /gate/geometry/enableAutoUpdate
>
> The error message I get is:
>
>
> ERROR: G4VisManager::IsValidView(): Current view is not valid.
> ERROR: G4VisManager::PrintInvalidPointers:
>  Graphics system is OpenGLStoredX but:
>  Null viewer pointer. Use "/vis/viewer/create".
>
> I appreciate the help.
>
> Best regards,
>
> Naser
>
>

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