mkelsey,
I am finally getting back to this after several days with my attention focused elsewhere. I looked at the examples as you suggested above. I found that example “extended/electromagnetic/TestEm1” might have steps that are exiting the target volume in the SteppingAction. However, when I ran it, the following happened:
“”"
Jamess-MBP:TestEm1-build jamesbowen$ ./TestEm1
Available UI session types: [ tcsh, csh ]
################################
!!! G4Backtrace is activated !!!
################################
Geant4 version Name: geant4-11-00 [MT] (10-December-2021)
<< in Multi-threaded mode >>
Copyright : Geant4 Collaboration
References : NIM A 506 (2003), 250-303
: IEEE-TNS 53 (2006), 270-278
: NIM A 835 (2016), 186-225
WWW : http://geant4.org/
PhysicsList::AddPhysicsList: <emstandard_opt3>
Visualization Manager instantiating with verbosity “warnings (3)”…
Visualization Manager initialising…
Registering graphics systems…
You have successfully registered the following graphics systems.
Registered graphics systems are:
ASCIITree (ATree)
DAWNFILE (DAWNFILE)
G4HepRepFile (HepRepFile)
RayTracer (RayTracer)
VRML2FILE (VRML2FILE)
gMocrenFile (gMocrenFile)
OpenGLImmediateX (OGLIX, OGLI)
OpenGLStoredX (OGLSX, OGL, OGLS)
Registering model factories…
You have successfully registered the following model factories.
Registered model factories:
generic
drawByAttribute
drawByCharge
drawByOriginVolume
drawByParticleID
drawByEncounteredVolume
Registered models:
None
Registered filter factories:
attributeFilter
chargeFilter
originVolumeFilter
particleFilter
encounteredVolumeFilter
Registered filters:
None
You have successfully registered the following user vis actions.
Run Duration User Vis Actions: none
End of Event User Vis Actions: none
End of Run User Vis Actions: none
Some /vis commands (optionally) take a string to specify colour.
“/vis/list” to see available colours.
PreInit>
“”"
I have not had the PreInit line come up in the previous examples I have run. What do I need to do in order to continue running this example?