| Geant4 Cross Reference |
1 // 1 //
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25 // 25 //
>> 26 // $Id: PrimaryGeneratorAction.cc,v 1.1 2009-04-16 11:05:40 maire Exp $
>> 27 // GEANT4 tag $Name: not supported by cvs2svn $
26 // 28 //
27 //....oooOO0OOooo........oooOO0OOooo........oo 29 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
28 //....oooOO0OOooo........oooOO0OOooo........oo 30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
29 31
30 #include "PrimaryGeneratorAction.hh" 32 #include "PrimaryGeneratorAction.hh"
31 33
32 #include "PrimaryGeneratorMessenger.hh" 34 #include "PrimaryGeneratorMessenger.hh"
33 #include "DetectorConstruction.hh" 35 #include "DetectorConstruction.hh"
>> 36 #include "HistoManager.hh"
34 37
35 #include "G4SystemOfUnits.hh" <<
36 #include "G4Event.hh" 38 #include "G4Event.hh"
37 #include "G4ParticleGun.hh" 39 #include "G4ParticleGun.hh"
38 #include "G4ParticleTable.hh" 40 #include "G4ParticleTable.hh"
39 #include "G4ParticleDefinition.hh" 41 #include "G4ParticleDefinition.hh"
40 #include "Randomize.hh" 42 #include "Randomize.hh"
41 43
42 //....oooOO0OOooo........oooOO0OOooo........oo 44 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
43 45
44 PrimaryGeneratorAction::PrimaryGeneratorAction << 46 PrimaryGeneratorAction::PrimaryGeneratorAction(DetectorConstruction* det,
45 :Detector(det) << 47 HistoManager* hist)
>> 48 :Detector(det),histoManager(hist)
46 { 49 {
47 G4int n_particle = 1; 50 G4int n_particle = 1;
48 particleGun = new G4ParticleGun(n_particle) 51 particleGun = new G4ParticleGun(n_particle);
49 SetDefaultKinematic(); 52 SetDefaultKinematic();
50 beam = 0.*mm; 53 beam = 0.*mm;
51 54
52 //create a messenger for this class 55 //create a messenger for this class
53 gunMessenger = new PrimaryGeneratorMessenger 56 gunMessenger = new PrimaryGeneratorMessenger(this);
54 } 57 }
55 58
56 //....oooOO0OOooo........oooOO0OOooo........oo 59 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
57 60
58 PrimaryGeneratorAction::~PrimaryGeneratorActio 61 PrimaryGeneratorAction::~PrimaryGeneratorAction()
59 { 62 {
60 delete particleGun; 63 delete particleGun;
61 delete gunMessenger; 64 delete gunMessenger;
62 } 65 }
63 66
64 //....oooOO0OOooo........oooOO0OOooo........oo 67 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
65 68
66 void PrimaryGeneratorAction::SetDefaultKinemat 69 void PrimaryGeneratorAction::SetDefaultKinematic()
67 { 70 {
68 G4ParticleTable* particleTable = G4ParticleT 71 G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
69 G4String particleName; 72 G4String particleName;
70 G4ParticleDefinition* particle 73 G4ParticleDefinition* particle
71 = particleTable->FindParti 74 = particleTable->FindParticle(particleName="e-");
72 particleGun->SetParticleDefinition(particle) 75 particleGun->SetParticleDefinition(particle);
73 particleGun->SetParticleMomentumDirection(G4 76 particleGun->SetParticleMomentumDirection(G4ThreeVector(1.,0.,0.));
74 particleGun->SetParticleEnergy(1.*GeV); 77 particleGun->SetParticleEnergy(1.*GeV);
75 G4double position = -0.5*(Detector->GetWorld 78 G4double position = -0.5*(Detector->GetWorldSizeX());
76 particleGun->SetParticlePosition(G4ThreeVect 79 particleGun->SetParticlePosition(G4ThreeVector(position,0.*mm,0.*mm));
77 } 80 }
78 81
79 //....oooOO0OOooo........oooOO0OOooo........oo 82 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
80 83
81 void PrimaryGeneratorAction::GeneratePrimaries 84 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
82 { 85 {
83 //this function is called at the begining of 86 //this function is called at the begining of event
84 // 87 //
85 //randomize beam, if requested. 88 //randomize beam, if requested.
86 // 89 //
87 if (beam > 0.) 90 if (beam > 0.)
88 { 91 {
89 G4ThreeVector position = particleGun->Ge 92 G4ThreeVector position = particleGun->GetParticlePosition();
90 G4double maxYZ = 0.49*(Detector->GetCalo 93 G4double maxYZ = 0.49*(Detector->GetCalorSizeYZ());
91 G4double x0 = position.x(); 94 G4double x0 = position.x();
92 G4double y0 = position.y() + (G4UniformR 95 G4double y0 = position.y() + (G4UniformRand()-0.5)*beam;
93 G4double z0 = position.z() + (G4UniformR 96 G4double z0 = position.z() + (G4UniformRand()-0.5)*beam;
94 if (std::abs(y0) > maxYZ) y0 = maxYZ; 97 if (std::abs(y0) > maxYZ) y0 = maxYZ;
95 if (std::abs(z0) > maxYZ) z0 = maxYZ; 98 if (std::abs(z0) > maxYZ) z0 = maxYZ;
96 particleGun->SetParticlePosition(G4Three 99 particleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0));
97 particleGun->GeneratePrimaryVertex(anEve 100 particleGun->GeneratePrimaryVertex(anEvent);
98 particleGun->SetParticlePosition(positio 101 particleGun->SetParticlePosition(position);
99 } 102 }
100 else particleGun->GeneratePrimaryVertex(anE 103 else particleGun->GeneratePrimaryVertex(anEvent);
101 } 104 }
102 105
103 //....oooOO0OOooo........oooOO0OOooo........oo 106 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
104 107
105 108