Hadr08/src/PrimaryGeneratorAction.cc

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0025 //
0026 /// \file PrimaryGeneratorAction.cc
0027 /// \brief Implementation of the PrimaryGeneratorAction class
0028 //
0029 //
0030
0031 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0032 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0033
0034 #include "PrimaryGeneratorAction.hh"
0035
0036 #include "G4Event.hh"
0037 #include "G4ParticleDefinition.hh"
0038 #include "G4ParticleGun.hh"
0039 #include "G4ParticleTable.hh"
0040 #include "G4SystemOfUnits.hh"
0041 #include "globals.hh"
0042
0043 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0044
0045 PrimaryGeneratorAction::PrimaryGeneratorAction()
0046   : G4VUserPrimaryGeneratorAction(), fParticleGun(nullptr)
0047 {
0048   G4int n_particle = 1;
0049   fParticleGun = new G4ParticleGun(n_particle);
0050   G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
0051   G4String particleName;
0052   G4ParticleDefinition* particle = particleTable->FindParticle(particleName = "pi+");
0053   fParticleGun->SetParticleDefinition(particle);
0054   fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0.0, 0.0, 1.0));
0055   fParticleGun->SetParticleEnergy(5.0 * GeV);
0056   fParticleGun->SetParticlePosition(G4ThreeVector(0.0, 0.0, -50.0 * cm));
0057 }
0058
0059 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0060
0061 PrimaryGeneratorAction::~PrimaryGeneratorAction()
0062 {
0063   delete fParticleGun;
0064 }
0065
0066 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0067
0068 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
0069 {
0070   fParticleGun->GeneratePrimaryVertex(anEvent);
0071 }
0072
0073 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0074
0075 G4ParticleGun* PrimaryGeneratorAction::GetParticleGun()
0076 {
0077   return fParticleGun;
0078 }
0079
0080 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......