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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 // $Id$
29 // 30 //
30 //....oooOO0OOooo........oooOO0OOooo........oo 31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oo 32 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 33
33 #include "PrimaryGeneratorAction.hh" 34 #include "PrimaryGeneratorAction.hh"
34 35
>> 36 #include "PrimaryGeneratorMessenger.hh"
35 #include "DetectorConstruction.hh" 37 #include "DetectorConstruction.hh"
36 #include "HistoManager.hh" 38 #include "HistoManager.hh"
37 #include "PrimaryGeneratorMessenger.hh" <<
38 39
39 #include "G4Event.hh" 40 #include "G4Event.hh"
40 #include "G4ParticleDefinition.hh" <<
41 #include "G4ParticleGun.hh" 41 #include "G4ParticleGun.hh"
42 #include "G4ParticleTable.hh" 42 #include "G4ParticleTable.hh"
>> 43 #include "G4ParticleDefinition.hh"
43 #include "G4SystemOfUnits.hh" 44 #include "G4SystemOfUnits.hh"
44 #include "Randomize.hh" 45 #include "Randomize.hh"
45 46
46 //....oooOO0OOooo........oooOO0OOooo........oo 47 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
47 48
48 PrimaryGeneratorAction::PrimaryGeneratorAction << 49 PrimaryGeneratorAction::PrimaryGeneratorAction(DetectorConstruction* det)
>> 50 :fDetector(det)
49 { 51 {
50 G4int n_particle = 1; 52 G4int n_particle = 1;
51 fParticleGun = new G4ParticleGun(n_particle) << 53 fParticleGun = new G4ParticleGun(n_particle);
52 SetDefaultKinematic(); 54 SetDefaultKinematic();
53 << 55 fRndmBeam = 0.;
54 // create a messenger for this class << 56
>> 57 //create a messenger for this class
55 fGunMessenger = new PrimaryGeneratorMessenge 58 fGunMessenger = new PrimaryGeneratorMessenger(this);
56 } 59 }
57 60
58 //....oooOO0OOooo........oooOO0OOooo........oo 61 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
59 62
60 PrimaryGeneratorAction::~PrimaryGeneratorActio 63 PrimaryGeneratorAction::~PrimaryGeneratorAction()
61 { 64 {
62 delete fParticleGun; 65 delete fParticleGun;
63 delete fGunMessenger; 66 delete fGunMessenger;
64 } 67 }
65 68
66 //....oooOO0OOooo........oooOO0OOooo........oo 69 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
67 70
68 void PrimaryGeneratorAction::SetDefaultKinemat 71 void PrimaryGeneratorAction::SetDefaultKinematic()
69 { 72 {
70 G4ParticleTable* particleTable = G4ParticleT 73 G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
71 G4String particleName; 74 G4String particleName;
72 G4ParticleDefinition* particle = particleTab << 75 G4ParticleDefinition* particle
>> 76 = particleTable->FindParticle(particleName="e-");
73 fParticleGun->SetParticleDefinition(particle 77 fParticleGun->SetParticleDefinition(particle);
74 fParticleGun->SetParticleMomentumDirection(G << 78 fParticleGun->SetParticleMomentumDirection(G4ThreeVector(1.,0.,0.));
75 fParticleGun->SetParticleEnergy(1. * GeV); << 79 fParticleGun->SetParticleEnergy(1.*GeV);
76 G4double position = -0.5 * (fDetector->GetWo << 80 G4double position = -0.5*(fDetector->GetWorldSizeX());
77 fParticleGun->SetParticlePosition(G4ThreeVec << 81 fParticleGun->SetParticlePosition(G4ThreeVector(position,0.*cm,0.*cm));
78 } 82 }
79 83
80 //....oooOO0OOooo........oooOO0OOooo........oo 84 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
81 85
82 void PrimaryGeneratorAction::GeneratePrimaries 86 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
83 { 87 {
84 // this function is called at the begining o << 88 //this function is called at the begining of event
85 // 89 //
86 // randomize the beam, if requested. << 90 //randomize the beam, if requested.
87 if (fRndmBeam > 0.) { << 91 if (fRndmBeam > 0.)
88 G4ThreeVector oldPosition = fParticleGun-> << 92 {
89 G4double rbeam = 0.5 * (fDetector->GetCalo << 93 G4ThreeVector oldPosition = fParticleGun->GetParticlePosition();
90 G4double x0 = oldPosition.x(); << 94 G4double rbeam = 0.5*(fDetector->GetCalorSizeYZ())*fRndmBeam;
91 G4double y0 = oldPosition.y() + (2 * G4Uni << 95 G4double x0 = oldPosition.x();
92 G4double z0 = oldPosition.z() + (2 * G4Uni << 96 G4double y0 = oldPosition.y() + (2*G4UniformRand()-1.)*rbeam;
93 fParticleGun->SetParticlePosition(G4ThreeV << 97 G4double z0 = oldPosition.z() + (2*G4UniformRand()-1.)*rbeam;
94 fParticleGun->GeneratePrimaryVertex(anEven << 98 fParticleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0));
95 fParticleGun->SetParticlePosition(oldPosit << 99 fParticleGun->GeneratePrimaryVertex(anEvent);
96 } << 100 fParticleGun->SetParticlePosition(oldPosition);
97 else << 101 }
98 fParticleGun->GeneratePrimaryVertex(anEven << 102 else fParticleGun->GeneratePrimaryVertex(anEvent);
99 } 103 }
100 104
101 //....oooOO0OOooo........oooOO0OOooo........oo 105 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 106
102 107