Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/examples/extended/eventgenerator/pythia/decayer6/common/src/GunPrimaryGeneratorAction.cc

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 26 //
 27 /// \file common/src/GunPrimaryGeneratorAction.cc
 28 /// \brief Implementation of the Common::GunPrimaryGeneratorAction class
 29 
 30 #include "GunPrimaryGeneratorAction.hh"
 31 
 32 #include "G4Event.hh"
 33 #include "G4ParticleDefinition.hh"
 34 #include "G4ParticleGun.hh"
 35 #include "G4ParticleTable.hh"
 36 
 37 namespace Common
 38 {
 39 
 40 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 41 
 42 GunPrimaryGeneratorAction::GunPrimaryGeneratorAction(const G4String& particleName, G4double energy,
 43                                                      G4ThreeVector position,
 44                                                      G4ThreeVector momentumDirection)
 45 {
 46   G4int nofParticles = 1;
 47   fParticleGun = new G4ParticleGun(nofParticles);
 48 
 49   // default particle kinematic
 50   G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
 51   G4ParticleDefinition* particle = particleTable->FindParticle(particleName);
 52   fParticleGun->SetParticleDefinition(particle);
 53   fParticleGun->SetParticleEnergy(energy);
 54   fParticleGun->SetParticlePosition(position);
 55   fParticleGun->SetParticleMomentumDirection(momentumDirection);
 56 }
 57 
 58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 59 
 60 GunPrimaryGeneratorAction::~GunPrimaryGeneratorAction()
 61 {
 62   delete fParticleGun;
 63 }
 64 
 65 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 66 
 67 void GunPrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
 68 {
 69   // this function is called at the begining of event
 70 
 71   fParticleGun->GeneratePrimaryVertex(anEvent);
 72 }
 73 
 74 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 75 
 76 }  // namespace Common
 77