chem3/src/PrimaryGeneratorAction.cc

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0028 // shall cite the following Geant4-DNA collaboration publication:
0029 // Med. Phys. 37 (2010) 4692-4708
0030 // J. Comput. Phys. 274 (2014) 841-882
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0033 //
0034 /// \file PrimaryGeneratorAction.cc
0035 /// \brief Implementation of the PrimaryGeneratorAction class
0036
0037 #include "PrimaryGeneratorAction.hh"
0038
0039 #include "G4ParticleGun.hh"
0040 #include "G4ParticleTable.hh"
0041 #include "G4SystemOfUnits.hh"
0042
0043 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0044
0045 PrimaryGeneratorAction::PrimaryGeneratorAction()
0046   : G4VUserPrimaryGeneratorAction(), fpParticleGun(new G4ParticleGun(1))
0047 {
0048   G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
0049   G4ParticleDefinition* particle = particleTable->FindParticle("proton");
0050
0051   // default gun parameters
0052   fpParticleGun->SetParticleDefinition(particle);
0053   fpParticleGun->SetParticleEnergy(30. * MeV);
0054   fpParticleGun->SetParticleMomentumDirection(G4ThreeVector(0., 0., 1.));
0055   fpParticleGun->SetParticlePosition(G4ThreeVector(0., 0., 0. * micrometer));
0056 }
0057
0058 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0059
0060 PrimaryGeneratorAction::~PrimaryGeneratorAction()
0061 {
0062   delete fpParticleGun;
0063 }
0064
0065 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0066
0067 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
0068 {
0069   fpParticleGun->GeneratePrimaryVertex(anEvent);
0070 }