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RE01PrimaryGeneratorAction.cc
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29 // $Id: RE01PrimaryGeneratorAction.cc 97383 2016-06-02 09:56:35Z gcosmo $
30 //
31 
34 
35 #include "G4Event.hh"
36 #include "G4HEPEvtInterface.hh"
37 #include "G4ParticleGun.hh"
38 #include "G4ParticleTable.hh"
39 #include "G4ParticleDefinition.hh"
40 #include "G4SystemOfUnits.hh"
41 
42 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
45  fHEPEvt(0), fParticleGun(0), fMessenger(0)
46 {
47  const char* filename = "pythia_event.data";
48  fHEPEvt = new G4HEPEvtInterface(filename);
49 
50  G4int n_particle = 1;
51  G4ParticleGun* particleGun = new G4ParticleGun(n_particle);
53  G4String particleName;
54  G4ParticleDefinition* particle
55  = particleTable->FindParticle(particleName="mu+");
56  particleGun->SetParticleDefinition(particle);
57  particleGun->SetParticleMomentumDirection(G4ThreeVector(0.,1.,0.));
58  particleGun->SetParticleEnergy(100.*GeV);
59  particleGun->SetParticlePosition(G4ThreeVector(0.*cm,0.*cm,0.*cm));
60  fParticleGun = particleGun;
61 
63  fUseHEPEvt = true;
64 
65 }
66 
67 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
68 #include "G4AutoLock.hh"
69 namespace {
70  G4Mutex RE01PrimGenDestrMutex = G4MUTEX_INITIALIZER;
71  G4Mutex RE01PrimGenMutex = G4MUTEX_INITIALIZER;
72 }
73 
75 {
76  G4AutoLock lock(&RE01PrimGenDestrMutex);
77  if(fHEPEvt) {delete fHEPEvt; fHEPEvt = 0;}
78  delete fParticleGun;
79  delete fMessenger;
80 }
81 
82 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
84 {
85  if(fUseHEPEvt)
86  {
87  G4AutoLock lock(&RE01PrimGenMutex);
89  if(anEvent->GetNumberOfPrimaryVertex()==0)
90  { // End-of-file
91  G4Exception("RE01PrimaryGeneratorAction::GeneratePrimaries",
92  "RE01_0001",RunMustBeAborted,"End of file detected.");
93  }
94  }
95  else
96  { fParticleGun->GeneratePrimaryVertex(anEvent); }
97 }
G4ParticleDefinition * FindParticle(G4int PDGEncoding)
virtual void GeneratePrimaries(G4Event *anEvent)
Definition of the RE01PrimaryGeneratorAction class.
CLHEP::Hep3Vector G4ThreeVector
static G4ParticleTable * GetParticleTable()
virtual void GeneratePrimaryVertex(G4Event *evt)=0
void SetParticlePosition(G4ThreeVector aPosition)
RE01PrimaryGeneratorMessenger * fMessenger
#define G4MUTEX_INITIALIZER
Definition: G4Threading.hh:88
void SetParticleDefinition(G4ParticleDefinition *aParticleDefinition)
Definition of the RE01PrimaryGeneratorMessenger class.
void G4Exception(const char *originOfException, const char *exceptionCode, G4ExceptionSeverity severity, const char *description)
Definition: G4Exception.hh:65
int G4int
Definition: G4Types.hh:78
G4int GetNumberOfPrimaryVertex() const
Definition: G4Event.hh:164
static constexpr double cm
Definition: G4SIunits.hh:119
void SetParticleEnergy(G4double aKineticEnergy)
static constexpr double GeV
Definition: G4SIunits.hh:217
void SetParticleMomentumDirection(G4ParticleMomentum aMomentumDirection)
std::mutex G4Mutex
Definition: G4Threading.hh:84