RE07/src/PrimaryGeneratorAction.cc

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