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26 /// \file electromagnetic/TestEm11/src/Primary 26 /// \file electromagnetic/TestEm11/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 "DetectorConstruction.hh" 35 #include "DetectorConstruction.hh"
36 #include "PrimaryGeneratorMessenger.hh" 36 #include "PrimaryGeneratorMessenger.hh"
37 37
38 #include "G4Event.hh" 38 #include "G4Event.hh"
39 #include "G4ParticleDefinition.hh" <<
40 #include "G4ParticleGun.hh" 39 #include "G4ParticleGun.hh"
41 #include "G4ParticleTable.hh" 40 #include "G4ParticleTable.hh"
>> 41 #include "G4ParticleDefinition.hh"
42 #include "G4SystemOfUnits.hh" 42 #include "G4SystemOfUnits.hh"
43 #include "Randomize.hh" 43 #include "Randomize.hh"
44 44
45 //....oooOO0OOooo........oooOO0OOooo........oo 45 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
46 46
47 PrimaryGeneratorAction::PrimaryGeneratorAction << 47 PrimaryGeneratorAction::PrimaryGeneratorAction(DetectorConstruction* det)
>> 48 :fDetector(det)
48 { 49 {
49 fParticleGun = new G4ParticleGun(1); << 50 fParticleGun = new G4ParticleGun(1);
50 SetDefaultKinematic(); 51 SetDefaultKinematic();
51 << 52
52 // create a messenger for this class << 53 //create a messenger for this class
53 fGunMessenger = new PrimaryGeneratorMessenge << 54 fGunMessenger = 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 fParticleGun; 61 delete fParticleGun;
61 delete fGunMessenger; << 62 delete fGunMessenger;
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 G4ParticleDefinition* particle = G4ParticleT << 69 G4ParticleDefinition* particle
>> 70 = G4ParticleTable::GetParticleTable()->FindParticle("e-");
69 fParticleGun->SetParticleDefinition(particle 71 fParticleGun->SetParticleDefinition(particle);
70 fParticleGun->SetParticleEnergy(500 * keV); << 72 fParticleGun->SetParticleEnergy(500*keV);
71 fParticleGun->SetParticleMomentumDirection(G << 73 fParticleGun->SetParticleMomentumDirection(G4ThreeVector(1.,0.,0.));
72 G4double position = -0.4999 * (fDetector->Ge << 74 G4double position = -0.5*(fDetector->GetAbsorSizeX());
73 fParticleGun->SetParticlePosition(G4ThreeVec << 75 fParticleGun->SetParticlePosition(G4ThreeVector(position,0.*cm,0.*cm));
74 } 76 }
75 //....oooOO0OOooo........oooOO0OOooo........oo 77 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
76 78
77 void PrimaryGeneratorAction::GeneratePrimaries 79 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
78 { 80 {
79 // this function is called at the begining o << 81 //this function is called at the begining of event
80 << 82
81 // randomize the beam, if requested. << 83 //randomize the beam, if requested.
82 // 84 //
83 if (fRndmBeam > 0.) { << 85 if (fRndmBeam > 0.)
84 G4ThreeVector oldPosition = fParticleGun-> << 86 {
85 if (fRndmBeam > fDetector->GetAbsorSizeYZ( << 87 G4ThreeVector oldPosition = fParticleGun->GetParticlePosition();
86 G4double rbeam = 0.5 * fRndmBeam; << 88 if (fRndmBeam > fDetector->GetAbsorSizeYZ())
87 G4double x0 = oldPosition.x(); << 89 fRndmBeam = fDetector->GetAbsorSizeYZ();
88 G4double y0 = oldPosition.y() + (2 * G4Uni << 90 G4double rbeam = 0.5*fRndmBeam;
89 G4double z0 = oldPosition.z() + (2 * G4Uni << 91 G4double x0 = oldPosition.x();
90 fParticleGun->SetParticlePosition(G4ThreeV << 92 G4double y0 = oldPosition.y() + (2*G4UniformRand()-1.)*rbeam;
91 fParticleGun->GeneratePrimaryVertex(anEven << 93 G4double z0 = oldPosition.z() + (2*G4UniformRand()-1.)*rbeam;
92 fParticleGun->SetParticlePosition(oldPosit << 94 fParticleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0));
93 } << 95 fParticleGun->GeneratePrimaryVertex(anEvent);
>> 96 fParticleGun->SetParticlePosition(oldPosition);
>> 97 }
94 98
95 else << 99 else fParticleGun->GeneratePrimaryVertex(anEvent);
96 fParticleGun->GeneratePrimaryVertex(anEven <<
97 } 100 }
98 101
99 //....oooOO0OOooo........oooOO0OOooo........oo 102 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 103
100 104