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25 // 25 //
26 /// \file PrimaryGeneratorAction.cc 26 /// \file PrimaryGeneratorAction.cc
27 /// \brief Implementation of the PrimaryGenera 27 /// \brief Implementation of the PrimaryGeneratorAction class
28 // 28 //
29 // << 29 //
30 //....oooOO0OOooo........oooOO0OOooo........oo 30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oo 31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 32
33 #include "PrimaryGeneratorAction.hh" 33 #include "PrimaryGeneratorAction.hh"
34 34
35 #include "DetectorConstruction.hh" 35 #include "DetectorConstruction.hh"
36 36
37 #include "G4Event.hh" 37 #include "G4Event.hh"
38 #include "G4ParticleDefinition.hh" <<
39 #include "G4ParticleTable.hh" 38 #include "G4ParticleTable.hh"
>> 39 #include "G4ParticleDefinition.hh"
40 #include "G4SystemOfUnits.hh" 40 #include "G4SystemOfUnits.hh"
41 #include "Randomize.hh" 41 #include "Randomize.hh"
42 42
43 //....oooOO0OOooo........oooOO0OOooo........oo 43 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
44 44
45 PrimaryGeneratorAction::PrimaryGeneratorAction << 45 PrimaryGeneratorAction::PrimaryGeneratorAction(DetectorConstruction* det)
>> 46 :G4VUserPrimaryGeneratorAction(),fParticleGun(0),fDetector(det)
46 { 47 {
47 fParticleGun = new G4ParticleGun(1); << 48 fParticleGun = new G4ParticleGun(1);
48 G4ParticleDefinition* particle = G4ParticleT << 49 G4ParticleDefinition* particle
>> 50 = G4ParticleTable::GetParticleTable()->FindParticle("gamma");
49 fParticleGun->SetParticleDefinition(particle 51 fParticleGun->SetParticleDefinition(particle);
50 fParticleGun->SetParticleEnergy(1 * MeV); << 52 fParticleGun->SetParticleEnergy(1*MeV);
51 fParticleGun->SetParticleMomentumDirection(G << 53 fParticleGun->SetParticleMomentumDirection(G4ThreeVector(1.,0.,0.));
52 } 54 }
53 55
54 //....oooOO0OOooo........oooOO0OOooo........oo 56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
55 57
56 PrimaryGeneratorAction::~PrimaryGeneratorActio 58 PrimaryGeneratorAction::~PrimaryGeneratorAction()
57 { 59 {
58 delete fParticleGun; 60 delete fParticleGun;
59 } 61 }
60 62
61 //....oooOO0OOooo........oooOO0OOooo........oo 63 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
62 64
63 void PrimaryGeneratorAction::GeneratePrimaries 65 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
64 { 66 {
65 // this function is called at the begining o << 67 //this function is called at the begining of event
66 // 68 //
67 G4double halfSize = 0.5 * (fDetector->GetSiz << 69 G4double halfSize = 0.5*(fDetector->GetSize());
68 G4double x0 = -halfSize; << 70 G4double x0 = - halfSize;
69 << 71
70 // randomize (y0,z0) << 72 //randomize (y0,z0)
71 // 73 //
72 G4double beam = 0.8 * halfSize; << 74 G4double beam = 0.8*halfSize;
73 G4double y0 = (2 * G4UniformRand() - 1.) * b << 75 G4double y0 = (2*G4UniformRand()-1.)*beam;
74 G4double z0 = (2 * G4UniformRand() - 1.) * b << 76 G4double z0 = (2*G4UniformRand()-1.)*beam;
75 << 77
76 fParticleGun->SetParticlePosition(G4ThreeVec << 78 fParticleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0));
77 fParticleGun->GeneratePrimaryVertex(anEvent) 79 fParticleGun->GeneratePrimaryVertex(anEvent);
78 } 80 }
79 81
80 //....oooOO0OOooo........oooOO0OOooo........oo 82 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 83
81 84