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>> 26 // $Id: PrimaryGeneratorAction.cc 73008 2013-08-15 08:43:13Z gcosmo $
26 // 27 //
27 //....oooOO0OOooo........oooOO0OOooo........oo 28 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
28 //....oooOO0OOooo........oooOO0OOooo........oo 29 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
29 30
30 #include "PrimaryGeneratorAction.hh" 31 #include "PrimaryGeneratorAction.hh"
31 32
32 #include "PrimaryGeneratorMessenger.hh" 33 #include "PrimaryGeneratorMessenger.hh"
33 #include "DetectorConstruction.hh" 34 #include "DetectorConstruction.hh"
34 35
35 #include "G4SystemOfUnits.hh" 36 #include "G4SystemOfUnits.hh"
36 #include "G4Event.hh" 37 #include "G4Event.hh"
37 #include "G4ParticleGun.hh" 38 #include "G4ParticleGun.hh"
38 #include "G4ParticleTable.hh" 39 #include "G4ParticleTable.hh"
39 #include "G4ParticleDefinition.hh" 40 #include "G4ParticleDefinition.hh"
40 #include "Randomize.hh" 41 #include "Randomize.hh"
41 42
42 //....oooOO0OOooo........oooOO0OOooo........oo 43 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
43 44
44 PrimaryGeneratorAction::PrimaryGeneratorAction 45 PrimaryGeneratorAction::PrimaryGeneratorAction(DetectorConstruction* det)
45 :Detector(det) 46 :Detector(det)
46 { 47 {
47 G4int n_particle = 1; 48 G4int n_particle = 1;
48 particleGun = new G4ParticleGun(n_particle) 49 particleGun = new G4ParticleGun(n_particle);
49 SetDefaultKinematic(); 50 SetDefaultKinematic();
50 beam = 0.*mm; 51 beam = 0.*mm;
51 52
52 //create a messenger for this class 53 //create a messenger for this class
53 gunMessenger = new PrimaryGeneratorMessenger 54 gunMessenger = new PrimaryGeneratorMessenger(this);
54 } 55 }
55 56
56 //....oooOO0OOooo........oooOO0OOooo........oo 57 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
57 58
58 PrimaryGeneratorAction::~PrimaryGeneratorActio 59 PrimaryGeneratorAction::~PrimaryGeneratorAction()
59 { 60 {
60 delete particleGun; 61 delete particleGun;
61 delete gunMessenger; 62 delete gunMessenger;
62 } 63 }
63 64
64 //....oooOO0OOooo........oooOO0OOooo........oo 65 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
65 66
66 void PrimaryGeneratorAction::SetDefaultKinemat 67 void PrimaryGeneratorAction::SetDefaultKinematic()
67 { 68 {
68 G4ParticleTable* particleTable = G4ParticleT 69 G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
69 G4String particleName; 70 G4String particleName;
70 G4ParticleDefinition* particle 71 G4ParticleDefinition* particle
71 = particleTable->FindParti 72 = particleTable->FindParticle(particleName="e-");
72 particleGun->SetParticleDefinition(particle) 73 particleGun->SetParticleDefinition(particle);
73 particleGun->SetParticleMomentumDirection(G4 74 particleGun->SetParticleMomentumDirection(G4ThreeVector(1.,0.,0.));
74 particleGun->SetParticleEnergy(1.*GeV); 75 particleGun->SetParticleEnergy(1.*GeV);
75 G4double position = -0.5*(Detector->GetWorld 76 G4double position = -0.5*(Detector->GetWorldSizeX());
76 particleGun->SetParticlePosition(G4ThreeVect 77 particleGun->SetParticlePosition(G4ThreeVector(position,0.*mm,0.*mm));
77 } 78 }
78 79
79 //....oooOO0OOooo........oooOO0OOooo........oo 80 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
80 81
81 void PrimaryGeneratorAction::GeneratePrimaries 82 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
82 { 83 {
83 //this function is called at the begining of 84 //this function is called at the begining of event
84 // 85 //
85 //randomize beam, if requested. 86 //randomize beam, if requested.
86 // 87 //
87 if (beam > 0.) 88 if (beam > 0.)
88 { 89 {
89 G4ThreeVector position = particleGun->Ge 90 G4ThreeVector position = particleGun->GetParticlePosition();
90 G4double maxYZ = 0.49*(Detector->GetCalo 91 G4double maxYZ = 0.49*(Detector->GetCalorSizeYZ());
91 G4double x0 = position.x(); 92 G4double x0 = position.x();
92 G4double y0 = position.y() + (G4UniformR 93 G4double y0 = position.y() + (G4UniformRand()-0.5)*beam;
93 G4double z0 = position.z() + (G4UniformR 94 G4double z0 = position.z() + (G4UniformRand()-0.5)*beam;
94 if (std::abs(y0) > maxYZ) y0 = maxYZ; 95 if (std::abs(y0) > maxYZ) y0 = maxYZ;
95 if (std::abs(z0) > maxYZ) z0 = maxYZ; 96 if (std::abs(z0) > maxYZ) z0 = maxYZ;
96 particleGun->SetParticlePosition(G4Three 97 particleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0));
97 particleGun->GeneratePrimaryVertex(anEve 98 particleGun->GeneratePrimaryVertex(anEvent);
98 particleGun->SetParticlePosition(positio 99 particleGun->SetParticlePosition(position);
99 } 100 }
100 else particleGun->GeneratePrimaryVertex(anE 101 else particleGun->GeneratePrimaryVertex(anEvent);
101 } 102 }
102 103
103 //....oooOO0OOooo........oooOO0OOooo........oo 104 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
104 105
105 106