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25 //
26 //
27 /// \file RE05/src/RE05PrimaryGeneratorAction.cc
28 /// \brief Implementation of the RE05PrimaryGeneratorAction class
29 //
30
31 #include "RE05PrimaryGeneratorAction.hh"
32
33 #include "RE05PrimaryGeneratorMessenger.hh"
34
35 #include "G4AutoLock.hh"
36 #include "G4Event.hh"
37 #include "G4HEPEvtInterface.hh"
38 #include "G4ParticleDefinition.hh"
39 #include "G4ParticleGun.hh"
40 #include "G4ParticleTable.hh"
41 #include "G4SystemOfUnits.hh"
42
43 namespace
44 {
45 G4Mutex RE05PrimGenDestrMutex = G4MUTEX_INITIALIZER;
46 G4Mutex RE05PrimGenMutex = G4MUTEX_INITIALIZER;
47 } // namespace
48
49 G4VPrimaryGenerator* RE05PrimaryGeneratorAction::fHEPEvt = 0;
50
51 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
52
53 RE05PrimaryGeneratorAction::RE05PrimaryGeneratorAction()
54 : G4VUserPrimaryGeneratorAction(), fParticleGun(0), fMessenger(0), fUseHEPEvt(false)
55 {
56 G4AutoLock lock(&RE05PrimGenDestrMutex);
57 if (!fHEPEvt) {
58 const char* filename = "pythia_event.data";
59 fHEPEvt = new G4HEPEvtInterface(filename, 1);
60 }
61 lock.unlock();
62
63 G4int n_particle = 1;
64 G4ParticleGun* particleGun = new G4ParticleGun(n_particle);
65 G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
66 G4String particleName;
67 G4ParticleDefinition* particle = particleTable->FindParticle(particleName = "mu+");
68 particleGun->SetParticleDefinition(particle);
69 particleGun->SetParticleMomentumDirection(G4ThreeVector(0., 1., 0.));
70 particleGun->SetParticleEnergy(100. * GeV);
71 particleGun->SetParticlePosition(G4ThreeVector(0. * cm, 0. * cm, 0. * cm));
72 fParticleGun = particleGun;
73
74 fMessenger = new RE05PrimaryGeneratorMessenger(this);
75 fUseHEPEvt = true;
76 }
77
78 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
79
80 RE05PrimaryGeneratorAction::~RE05PrimaryGeneratorAction()
81 {
82 G4AutoLock lock(&RE05PrimGenDestrMutex);
83 if (fHEPEvt) {
84 delete fHEPEvt;
85 fHEPEvt = 0;
86 }
87 delete fParticleGun;
88 delete fMessenger;
89 }
90
91 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
92
93 void RE05PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
94 {
95 if (fUseHEPEvt) {
96 G4AutoLock lock(&RE05PrimGenMutex);
97 fHEPEvt->GeneratePrimaryVertex(anEvent);
98 }
99 else {
100 fParticleGun->GeneratePrimaryVertex(anEvent);
101 }
102 }
103
104 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
105