Generation · 2018. 4. 17. · Generation of a Primary event Giada Petringa (LNS-INFN) Geant4...
Transcript of Generation · 2018. 4. 17. · Generation of a Primary event Giada Petringa (LNS-INFN) Geant4...
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Generation of a Primary event
Giada Petringa (LNS-INFN)
Geant4 Beginner CourseMunich, Germany
16.04.2017 - 20.04.2017
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User Classes 2
At initialization At execution
G4VUserDetectorConstruction
G4VUserActionInitialization
G4UserSteppingAction
G4VUserPhysicsList G4UserRunAction
G4UserTrackingAction
G4UserStackingAction
G4UserEventAction
G4VUserPrimaryGeneratorAction
Global: only one instance exists in memory, shared by all threads.
Thread-local: an instance of each action class exists for each thread.
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The Primary is a mandatory action class 3
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G4VUserPrimaryGeneratorAction 4
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…its concrete implementation 5
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…its concrete implementation 6
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G4VPrimaryGenerator 7
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G4HEPEvInterface 8
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G4ParticleGun() 9
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G4ParticleGun() 10
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G4GeneralParticleSource() 11
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G4GeneralParticleSource() 12
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G4GeneralParticleSource() 13
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ParticleGun Vs GPS 14
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Examples 15
example/extended/…..
GPS /eventgenerator/exgps
HEPEvInterface/runAndEvent/RE02/srcRE01PrimaryGeneratorAction.cc
===> see the next lesson
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16
…It’s all!