RE07/src/PrimaryGeneratorAction.cc

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0025 //
0026 /// \file src/PrimaryGeneratorAction.cc
0027 /// \brief Implementation of the PrimaryGeneratorAction class
0028 //
0029 //
0030 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0031 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0032
0033 #include "PrimaryGeneratorAction.hh"
0034
0035 #include "DetectorConstruction.hh"
0036
0037 #include "G4Electron.hh"
0038 #include "G4ParticleGun.hh"
0039 #include "G4SystemOfUnits.hh"
0040
0041 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0042
0043 PrimaryGeneratorAction::PrimaryGeneratorAction(DetectorConstruction* det) : fDetector(det)
0044 {
0045   G4int numberOfParticles = 1;
0046   fParticleGun.reset(new G4ParticleGun(numberOfParticles));
0047   SetDefaultKinematic();
0048 }
0049
0050 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0051
0052 void PrimaryGeneratorAction::SetDefaultKinematic()
0053 {
0054   G4ParticleDefinition* particle = G4Electron::Definition();
0055   fParticleGun->SetParticleDefinition(particle);
0056   fParticleGun->SetParticleMomentumDirection(G4ThreeVector(1, 0, 0));
0057   fParticleGun->SetParticleEnergy(1 * GeV);
0058   G4double position = -0.5 * fDetector->GetWorldSizeX();
0059   fParticleGun->SetParticlePosition(G4ThreeVector(position, 0, 0));
0060 }
0061
0062 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0063
0064 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
0065 {
0066   fParticleGun->GeneratePrimaryVertex(anEvent);
0067 }
0068
0069 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......