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Re: simulation does not work with G4 for ROOT files with geometry [message #5523 is a reply to message #5522] Wed, 28 November 2007 17:17 Go to previous message
Mohammad Al-Turany is currently offline  Mohammad Al-Turany
Messages: 518
Registered: April 2004
Location: GSI, Germany
first-grade participant
From: *gsi.de
Hi,

Quote:

'dch' also works with G4, but still I have the same warnings and

*** Break *** segmentation violation
Using host libthread_db library "/lib/libthread_db.so.1".
Attaching to program: /proc/7855/exe, process 7855
`system-supplied DSO at 0xffffe000' has disappeared; keeping its symbols.
...


This was a problem with the mvd also, when you exit root the GeoManager try to delete a list of marticies which is already deleted, as far as I remmember dch has also his own ConstructRootGeometry which is similar to mvd, so one have to correct this method like MVD.

Quote:

Info in <TG4RootNavMgr::Initialize>: Creating G4 hierarchy ...
Info in <TGeoManager::ConvertReflections>: Converting reflections in: CBMGeom - CBM geometry ...
Info in <TGeoManager::ConvertReflections>: Done
===> GEANT4 materials created and mapped to TGeo ones...
Cannot make material for volume: top
Aborting in CreateLogicalVolume()

*** G4Exception: Aborting execution ***

it looks like a problem in the ExpandNode I will have to look into the code, maybe tommorrow I can tell you more.


regards

Mohammad

 
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