Par04/src/Par04PrimaryGeneratorAction.cc

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0025 //
0026 /// \file Par04PrimaryGeneratorAction.cc
0027 /// \brief Implementation of the Par04PrimaryGeneratorAction class
0028
0029 #include "Par04PrimaryGeneratorAction.hh"
0030
0031 #include "Par04EventInformation.hh"  // for Par04EventInformation
0032
0033 #include "G4Event.hh"  // for G4Event
0034 #include "G4ParticleGun.hh"  // for G4ParticleGun
0035 #include "G4ParticleTable.hh"  // for G4ParticleTable
0036 #include "G4SystemOfUnits.hh"  // for GeV
0037
0038 #include <CLHEP/Units/SystemOfUnits.h>  // for GeV
0039 #include <G4String.hh>  // for G4String
0040 #include <G4ThreeVector.hh>  // for G4ThreeVector
0041 #include <G4Types.hh>  // for G4int
0042 #include <G4VUserPrimaryGeneratorAction.hh>  // for G4VUserPrimaryGeneratorA...
0043 #include <string>  // for basic_string
0044 class G4ParticleDefinition;
0045
0046 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0047
0048 Par04PrimaryGeneratorAction::Par04PrimaryGeneratorAction() : G4VUserPrimaryGeneratorAction()
0049 {
0050   G4int n_particle = 1;
0051   fParticleGun = new G4ParticleGun(n_particle);
0052   // Default particle properties
0053   G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
0054   G4String particleName;
0055   G4ParticleDefinition* particle = particleTable->FindParticle(particleName = "e-");
0056   fParticleGun->SetParticleDefinition(particle);
0057   fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0., 1., 0.));
0058   fParticleGun->SetParticleEnergy(10. * GeV);
0059   fParticleGun->SetParticlePosition(G4ThreeVector(0., 0., 0.));
0060 }
0061
0062 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0063
0064 Par04PrimaryGeneratorAction::~Par04PrimaryGeneratorAction()
0065 {
0066   delete fParticleGun;
0067 }
0068
0069 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0070
0071 void Par04PrimaryGeneratorAction::GeneratePrimaries(G4Event* aEvent)
0072 {
0073   fParticleGun->GeneratePrimaryVertex(aEvent);
0074   aEvent->SetUserInformation(new Par04EventInformation());
0075 }