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Question Problem writing material properties table in GDML 

Forum: Persistency
Date: 04 Jan, 2010
From: Douglas Roberts <Douglas Roberts>

Hello,

I'm trying to export a geometry to gdml and I'm getting a crash when the gdml parser tries to write the material properties tables. The stack trace is shown below. If I simply comment out the "SetMaterialPropertiesTable" lines everything works, but of course the material properties that I want aren't there.

Also, I define some G4OpticalSurfaces with reflectivity and efficiency added to the properties. I see the optical surface in the gdml but I don't see the properties anywhere.

I'm running GEANT 4.9.3.b01 on MacOSX 10.6.2.

Any help would be greatly appreciated.

Thanks, Doug Roberts

#0  0x00007fff8664a220 in wait4 ()
#1  0x00007fff8665e7b6 in system ()
#2  0x000000010015683e in TUnixSystem::StackTrace ()
#3  0x00000001001589fa in TUnixSystem::DispatchSignals ()
#4  <signal handler called>
#5  0x00000001034f6cc9 in G4GDMLWriteMaterials::PropertyVectorWrite ()
#6  0x00000001034f7564 in G4GDMLWriteMaterials::PropertyWrite ()
#7  0x00000001034f860c in G4GDMLWriteMaterials::MaterialWrite ()
#8  0x00000001034f8f57 in G4GDMLWriteMaterials::AddMaterial ()
#9  0x000000010351433f in G4GDMLWriteStructure::TraverseVolumeTree ()
#10 0x00000001034f2fcf in G4GDMLWrite::Write ()
#11 0x0000000100004158 in main ()

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