TestEm10/src/PrimaryGeneratorAction.cc

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0026 /// \file electromagnetic/TestEm10/src/PrimaryGeneratorAction.cc
0027 /// \brief Implementation of the PrimaryGeneratorAction class
0028 //
0029 //
0030 //
0031 //
0032
0033 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0034 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0035
0036 #include "PrimaryGeneratorAction.hh"
0037
0038 #include "G4Event.hh"
0039 #include "G4ParticleDefinition.hh"
0040 #include "G4ParticleGun.hh"
0041 #include "G4ParticleTable.hh"
0042 #include "G4SystemOfUnits.hh"
0043
0044 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0045
0046 PrimaryGeneratorAction::PrimaryGeneratorAction() : G4VUserPrimaryGeneratorAction(), fParticleGun(0)
0047 {
0048   G4int n_particle = 1;
0049   fParticleGun = new G4ParticleGun(n_particle);
0050
0051   // default particle kinematic
0052
0053   G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
0054   G4ParticleDefinition* particle = particleTable->FindParticle("proton");
0055   fParticleGun->SetParticleDefinition(particle);
0056
0057   fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0., 0., 1.));
0058   fParticleGun->SetParticleEnergy(100. * GeV);
0059   fParticleGun->SetParticlePosition(G4ThreeVector());
0060 }
0061
0062 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0063
0064 PrimaryGeneratorAction::~PrimaryGeneratorAction()
0065 {
0066   delete fParticleGun;
0067 }
0068
0069 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0070
0071 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
0072 {
0073   fParticleGun->GeneratePrimaryVertex(anEvent);
0074 }