chem5/src/PrimaryGeneratorAction.cc

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0026 // This example is provided by the Geant4-DNA collaboration
0027 // Any report or published results obtained using the Geant4-DNA software
0028 // shall cite the following Geant4-DNA collaboration publication:
0029 // Med. Phys. 37 (2010) 4692-4708
0030 // J. Comput. Phys. 274 (2014) 841-882
0031 // Phys. Med. Biol. 63(10) (2018) 105014-12pp
0032 // The Geant4-DNA web site is available at http://geant4-dna.org
0033 //
0034 //
0035 /// \file PrimaryGeneratorAction.cc
0036 /// \brief Implementation of the PrimaryGeneratorAction class
0037
0038 #include "PrimaryGeneratorAction.hh"
0039
0040 #include "G4ChargedGeantino.hh"
0041 #include "G4Event.hh"
0042 #include "G4IonTable.hh"
0043 #include "G4ParticleDefinition.hh"
0044 #include "G4ParticleGun.hh"
0045 #include "G4ParticleTable.hh"
0046 #include "G4RunManager.hh"
0047 #include "G4SystemOfUnits.hh"
0048 #include "G4UnitsTable.hh"
0049 #include "Randomize.hh"
0050
0051 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0052
0053 PrimaryGeneratorAction::PrimaryGeneratorAction() : G4VUserPrimaryGeneratorAction(), fParticleGun(0)
0054 {
0055   G4int n_particle = 1;
0056   fParticleGun = new G4ParticleGun(n_particle);
0057
0058   // default particle kinematic
0059   G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
0060   G4ParticleDefinition* particle = particleTable->FindParticle("e-");
0061   fParticleGun->SetParticleDefinition(particle);
0062   fParticleGun->SetParticlePosition(G4ThreeVector(0., 0., 0.));
0063   fParticleGun->SetParticleEnergy(100 * keV);
0064   fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0., 0., 1.));
0065 }
0066
0067 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0068
0069 PrimaryGeneratorAction::~PrimaryGeneratorAction()
0070 {
0071   delete fParticleGun;
0072 }
0073
0074 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0075
0076 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
0077 {
0078   if (anEvent->GetEventID() == 0) {
0079     G4cout << "Particle: " << fParticleGun->GetParticleDefinition()->GetParticleName() << " with "
0080            << G4BestUnit(fParticleGun->GetParticleEnergy(), "Energy") << G4endl;
0081   }
0082   G4cout << "Start event " << anEvent->GetEventID() << G4endl;
0083   fParticleGun->GeneratePrimaryVertex(anEvent);
0084 }
0085
0086 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......