Gabriele Cosmo
74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: Em3PrimaryGeneratorAction.cc,v 1.2 1999/12/15 14:49:04 gunter Exp $
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// GEANT4 tag $Name: geant4-02-00 $
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//
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//
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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#include "Em3PrimaryGeneratorAction.hh"
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#include "Em3DetectorConstruction.hh"
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#include "Em3PrimaryGeneratorMessenger.hh"
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#include "G4Event.hh"
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#include "G4ParticleGun.hh"
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#include "G4ParticleTable.hh"
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#include "G4ParticleDefinition.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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Em3PrimaryGeneratorAction::Em3PrimaryGeneratorAction(
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Em3DetectorConstruction* Em3DC)
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:Em3Detector(Em3DC)
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{
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G4int n_particle = 1;
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particleGun = new G4ParticleGun(n_particle);
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SetDefaultKinematic();
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//create a messenger for this class
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gunMessenger = new Em3PrimaryGeneratorMessenger(this);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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Em3PrimaryGeneratorAction::~Em3PrimaryGeneratorAction()
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{
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delete particleGun;
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delete gunMessenger;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void Em3PrimaryGeneratorAction::SetDefaultKinematic()
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{
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G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
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G4String particleName;
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G4ParticleDefinition* particle
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= particleTable->FindParticle(particleName="e-");
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particleGun->SetParticleDefinition(particle);
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particleGun->SetParticleMomentumDirection(G4ThreeVector(1.,0.,0.));
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particleGun->SetParticleEnergy(1.*GeV);
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G4double position = -0.5*(Em3Detector->GetWorldSizeX());
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particleGun->SetParticlePosition(G4ThreeVector(position,0.*cm,0.*cm));
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void Em3PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
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{
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//this function is called at the begining of event
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//
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particleGun->GeneratePrimaryVertex(anEvent);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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