Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/examples/extended/biasing/GB01/src/GB01PrimaryGeneratorAction.cc

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 25 //
 26 /// \file GB01/src/GB01PrimaryGeneratorAction.cc
 27 /// \brief Implementation of the GB01PrimaryGeneratorAction class
 28 //
 29 #include "GB01PrimaryGeneratorAction.hh"
 30 
 31 #include "G4Event.hh"
 32 #include "G4ParticleDefinition.hh"
 33 #include "G4ParticleGun.hh"
 34 #include "G4ParticleTable.hh"
 35 #include "G4SystemOfUnits.hh"
 36 #include "Randomize.hh"
 37 
 38 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 39 
 40 GB01PrimaryGeneratorAction::GB01PrimaryGeneratorAction()
 41 {
 42   G4int n_particle = 1;
 43   fParticleGun = new G4ParticleGun(n_particle);
 44 
 45   // default particle kinematic
 46   G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
 47   G4String particleName;
 48   G4ParticleDefinition* particle = particleTable->FindParticle(particleName = "gamma");
 49   fParticleGun->SetParticleDefinition(particle);
 50   fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0., 0., 1.));
 51   fParticleGun->SetParticleEnergy(100. * MeV);
 52   fParticleGun->SetParticlePosition(G4ThreeVector(0., 0., -50 * cm));
 53 }
 54 
 55 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 56 
 57 GB01PrimaryGeneratorAction::~GB01PrimaryGeneratorAction()
 58 {
 59   delete fParticleGun;
 60 }
 61 
 62 void GB01PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
 63 {
 64   fParticleGun->GeneratePrimaryVertex(anEvent);
 65 }
 66