Geant4_10
PurgMagPrimaryGeneratorAction.cc
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26 // Code developed by:
27 // S.Larsson
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30 // * *
31 // * PurgMagPrimaryGeneratorAction.cc *
32 // * *
33 // ********************************************
34 //
35 // $Id: PurgMagPrimaryGeneratorAction.cc 72967 2013-08-14 14:57:48Z gcosmo $
36 //
37 
38 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
39 
41 
43 
44 #include "G4SystemOfUnits.hh"
45 #include "G4UnitsTable.hh"
46 #include "G4Event.hh"
47 #include "G4ParticleGun.hh"
48 #include "G4ParticleTable.hh"
49 #include "G4ParticleDefinition.hh"
50 #include "Randomize.hh"
51 
52 //Print position of primaries.
53 #define POSITION 0
54 
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56 
58  :rndmVertex(false)
59 {
60  //default kinematic
61  G4int n_particle = 1;
62  particleGun = new G4ParticleGun(n_particle);
63 
64  G4ParticleDefinition* particle
65  =
66 
68  particleGun->SetParticleDefinition(particle);
69  particleGun->SetParticleEnergy(50.*MeV);
70 
71  //Momentum Direction
72  particleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,-1.));
73 
74 }
75 
76 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
77 
79 {
80  delete particleGun;
81  }
82 
83 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
84 
86 {
87  //this function is called at the begining of event
88  //Start position of primaries
89  G4double z0 = 15.*cm;
90  G4double x0 = 0.*cm;
91  G4double y0 = 0.*cm;
92  particleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0));
93  particleGun->GeneratePrimaryVertex(anEvent);
94 
95 #if POSITION
96  G4cout << "\n----Particle Gun--------------------------------------------\n";
97  G4cout << "\n ---> SetParticlePosition(G4ThreeVector(x0,y0,z0)) ";
98  G4cout << "\n ---> x0 = " << x0 << " "<< G4BestUnit(x0,"Length");
99  G4cout << "\n ---> y0 = " << y0 << " "<< G4BestUnit(y0,"Length");
100  G4cout << "\n ---> z0 = " << z0 << " "<< G4BestUnit(z0,"Length");
101  G4cout << "\n-----------------------------------------------------------\n";
102 #endif
103 }
104 
105 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
106 
107 
G4ParticleDefinition * FindParticle(G4int PDGEncoding)
CLHEP::Hep3Vector G4ThreeVector
#define G4BestUnit(a, b)
#define G4_USE_G4BESTUNIT_FOR_VERBOSE 1
void SetParticleMomentumDirection(G4ParticleMomentum aMomentumDirection)
int G4int
Definition: G4Types.hh:78
virtual void GeneratePrimaryVertex(G4Event *evt)
void SetParticlePosition(G4ThreeVector aPosition)
G4GLOB_DLL std::ostream G4cout
void SetParticleEnergy(G4double aKineticEnergy)
static G4ParticleTable * GetParticleTable()
double G4double
Definition: G4Types.hh:76
void SetParticleDefinition(G4ParticleDefinition *aParticleDefinition)