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26 /// \file electromagnetic/TestEm3/src/PrimaryG 26 /// \file electromagnetic/TestEm3/src/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 "PrimaryGeneratorMessenger.hh"
35 #include "DetectorConstruction.hh" 36 #include "DetectorConstruction.hh"
36 #include "HistoManager.hh" 37 #include "HistoManager.hh"
37 #include "PrimaryGeneratorMessenger.hh" <<
38 38
39 #include "G4Event.hh" 39 #include "G4Event.hh"
40 #include "G4ParticleDefinition.hh" <<
41 #include "G4ParticleGun.hh" 40 #include "G4ParticleGun.hh"
42 #include "G4ParticleTable.hh" 41 #include "G4ParticleTable.hh"
>> 42 #include "G4ParticleDefinition.hh"
43 #include "G4SystemOfUnits.hh" 43 #include "G4SystemOfUnits.hh"
44 #include "Randomize.hh" 44 #include "Randomize.hh"
45 45
46 //....oooOO0OOooo........oooOO0OOooo........oo 46 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
47 47
48 PrimaryGeneratorAction::PrimaryGeneratorAction << 48 PrimaryGeneratorAction::PrimaryGeneratorAction(DetectorConstruction* det)
>> 49 :G4VUserPrimaryGeneratorAction(),
>> 50 fParticleGun(0),
>> 51 fDetector(det),
>> 52 fRndmBeam(0.),
>> 53 fGunMessenger(0)
49 { 54 {
50 G4int n_particle = 1; 55 G4int n_particle = 1;
51 fParticleGun = new G4ParticleGun(n_particle) << 56 fParticleGun = new G4ParticleGun(n_particle);
52 SetDefaultKinematic(); 57 SetDefaultKinematic();
53 << 58
54 // create a messenger for this class << 59 //create a messenger for this class
55 fGunMessenger = new PrimaryGeneratorMessenge 60 fGunMessenger = new PrimaryGeneratorMessenger(this);
56 } 61 }
57 62
58 //....oooOO0OOooo........oooOO0OOooo........oo 63 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
59 64
60 PrimaryGeneratorAction::~PrimaryGeneratorActio 65 PrimaryGeneratorAction::~PrimaryGeneratorAction()
61 { 66 {
62 delete fParticleGun; 67 delete fParticleGun;
63 delete fGunMessenger; 68 delete fGunMessenger;
64 } 69 }
65 70
66 //....oooOO0OOooo........oooOO0OOooo........oo 71 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
67 72
68 void PrimaryGeneratorAction::SetDefaultKinemat 73 void PrimaryGeneratorAction::SetDefaultKinematic()
69 { 74 {
70 G4ParticleTable* particleTable = G4ParticleT 75 G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
71 G4String particleName; 76 G4String particleName;
72 G4ParticleDefinition* particle = particleTab << 77 G4ParticleDefinition* particle
>> 78 = particleTable->FindParticle(particleName="e-");
73 fParticleGun->SetParticleDefinition(particle 79 fParticleGun->SetParticleDefinition(particle);
74 fParticleGun->SetParticleMomentumDirection(G << 80 fParticleGun->SetParticleMomentumDirection(G4ThreeVector(1.,0.,0.));
75 fParticleGun->SetParticleEnergy(1. * GeV); << 81 fParticleGun->SetParticleEnergy(1.*GeV);
76 G4double position = -0.5 * (fDetector->GetWo << 82 G4double position = -0.5*(fDetector->GetWorldSizeX());
77 fParticleGun->SetParticlePosition(G4ThreeVec << 83 fParticleGun->SetParticlePosition(G4ThreeVector(position,0.*cm,0.*cm));
78 } 84 }
79 85
80 //....oooOO0OOooo........oooOO0OOooo........oo 86 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
81 87
82 void PrimaryGeneratorAction::GeneratePrimaries 88 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
83 { 89 {
84 // this function is called at the begining o << 90 //this function is called at the begining of event
85 // 91 //
86 // randomize the beam, if requested. << 92 //randomize the beam, if requested.
87 if (fRndmBeam > 0.) { << 93 if (fRndmBeam > 0.)
88 G4ThreeVector oldPosition = fParticleGun-> << 94 {
89 G4double rbeam = 0.5 * (fDetector->GetCalo << 95 G4ThreeVector oldPosition = fParticleGun->GetParticlePosition();
90 G4double x0 = oldPosition.x(); << 96 G4double rbeam = 0.5*(fDetector->GetCalorSizeYZ())*fRndmBeam;
91 G4double y0 = oldPosition.y() + (2 * G4Uni << 97 G4double x0 = oldPosition.x();
92 G4double z0 = oldPosition.z() + (2 * G4Uni << 98 G4double y0 = oldPosition.y() + (2*G4UniformRand()-1.)*rbeam;
93 fParticleGun->SetParticlePosition(G4ThreeV << 99 G4double z0 = oldPosition.z() + (2*G4UniformRand()-1.)*rbeam;
94 fParticleGun->GeneratePrimaryVertex(anEven << 100 fParticleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0));
95 fParticleGun->SetParticlePosition(oldPosit << 101 fParticleGun->GeneratePrimaryVertex(anEvent);
96 } << 102 fParticleGun->SetParticlePosition(oldPosition);
97 else << 103 }
98 fParticleGun->GeneratePrimaryVertex(anEven << 104 else fParticleGun->GeneratePrimaryVertex(anEvent);
99 } 105 }
100 106
101 //....oooOO0OOooo........oooOO0OOooo........oo 107 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 108
102 109