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G01PrimaryGeneratorAction.cc
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26 /// \file persistency/gdml/G01/src/G01PrimaryGeneratorAction.cc
27 /// \brief Implementation of the G01PrimaryGeneratorAction class
28 //
29 //
30 // $Id: G01PrimaryGeneratorAction.cc 68025 2013-03-13 13:43:46Z gcosmo $
31 //
32 //
33 
35 #include "G4Event.hh"
36 #include "G4ParticleGun.hh"
37 #include "G4ParticleTable.hh"
38 #include "G4ParticleDefinition.hh"
39 #include "G4SystemOfUnits.hh"
40 
41 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
42 
45  fParticleGun(0)
46 {
47  G4int n_particle = 1;
48  fParticleGun = new G4ParticleGun(n_particle);
49 
51  G4String particleName;
52  fParticleGun->SetParticleDefinition(
53  particleTable->FindParticle(particleName="geantino"));
54  fParticleGun->SetParticleEnergy(1.0*GeV);
55  fParticleGun->SetParticlePosition(G4ThreeVector(-2.0*m, 0.1, 0.1));
56 }
57 
58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
59 
61 {
62  delete fParticleGun;
63 }
64 
65 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
66 
68 {
69  G4int i = anEvent->GetEventID() % 3;
70  G4ThreeVector v(1.0,0.0,0.0);
71  switch(i)
72  {
73  case 0:
74  break;
75  case 1:
76  v.setY(0.1);
77  break;
78  case 2:
79  v.setZ(0.1);
80  break;
81  }
82  fParticleGun->SetParticleMomentumDirection(v);
83  fParticleGun->GeneratePrimaryVertex(anEvent);
84 }
virtual void GeneratePrimaries(G4Event *anEvent)
G4ParticleDefinition * FindParticle(G4int PDGEncoding)
CLHEP::Hep3Vector G4ThreeVector
void SetParticleMomentumDirection(G4ParticleMomentum aMomentumDirection)
int G4int
Definition: G4Types.hh:78
void setY(double)
virtual void GeneratePrimaryVertex(G4Event *evt)
void setZ(double)
G4int GetEventID() const
Definition: G4Event.hh:140
void SetParticlePosition(G4ThreeVector aPosition)
void SetParticleEnergy(G4double aKineticEnergy)
static G4ParticleTable * GetParticleTable()
Definition of the G01PrimaryGeneratorAction class.
void SetParticleDefinition(G4ParticleDefinition *aParticleDefinition)