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26 /// \file electromagnetic/TestEm1/src/PrimaryG 26 /// \file electromagnetic/TestEm1/src/PrimaryGeneratorAction.cc
27 /// \brief Implementation of the PrimaryGenera 27 /// \brief Implementation of the PrimaryGeneratorAction class
28 // 28 //
29 // << 29 //
30 30
31 //....oooOO0OOooo........oooOO0OOooo........oo 31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 //....oooOO0OOooo........oooOO0OOooo........oo 32 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
33 33
34 #include "PrimaryGeneratorAction.hh" 34 #include "PrimaryGeneratorAction.hh"
35 35
36 #include "DetectorConstruction.hh" 36 #include "DetectorConstruction.hh"
37 #include "PrimaryGeneratorMessenger.hh" 37 #include "PrimaryGeneratorMessenger.hh"
38 38
39 #include "G4Event.hh" 39 #include "G4Event.hh"
40 #include "G4ParticleDefinition.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(1); 51 SetDefaultKinematic(1);
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(G4int front)
67 { 68 {
68 G4ParticleDefinition* particle = G4ParticleT << 69 G4ParticleDefinition* particle
>> 70 = G4ParticleTable::GetParticleTable()->FindParticle("e-");
69 fParticleGun->SetParticleDefinition(particle 71 fParticleGun->SetParticleDefinition(particle);
70 fParticleGun->SetParticleMomentumDirection(G << 72 fParticleGun->SetParticleMomentumDirection(G4ThreeVector(1.,0.,0.));
71 fParticleGun->SetParticleEnergy(100 * MeV); << 73 fParticleGun->SetParticleEnergy(100*MeV);
72 G4double position = 0. * cm; << 74 G4double position = 0.*cm;
73 if (front) position = -0.4999 * (fDetector-> << 75 if (front) position = -0.4999*(fDetector->GetSize());
74 fParticleGun->SetParticlePosition(G4ThreeVec << 76 fParticleGun->SetParticlePosition(G4ThreeVector(position,0.*cm,0.*cm));
75 } 77 }
76 78
77 //....oooOO0OOooo........oooOO0OOooo........oo 79 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
78 80
79 void PrimaryGeneratorAction::GeneratePrimaries 81 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
80 { 82 {
81 // this function is called at the begining o << 83 //this function is called at the begining of event
82 // 84 //
83 // randomize the beam, if requested. << 85 //randomize the beam, if requested.
84 if (fRndmBeam > 0.) { << 86 if (fRndmBeam > 0.)
85 G4ThreeVector oldPosition = fParticleGun-> << 87 {
86 G4double rbeam = 0.5 * (fDetector->GetSize << 88 G4ThreeVector oldPosition = fParticleGun->GetParticlePosition();
87 G4double x0 = oldPosition.x(); << 89 G4double rbeam = 0.5*(fDetector->GetSize())*fRndmBeam;
88 G4double y0 = oldPosition.y() + (2 * G4Uni << 90 G4double x0 = oldPosition.x();
89 G4double z0 = oldPosition.z() + (2 * G4Uni << 91 G4double y0 = oldPosition.y() + (2*G4UniformRand()-1.)*rbeam;
90 fParticleGun->SetParticlePosition(G4ThreeV << 92 G4double z0 = oldPosition.z() + (2*G4UniformRand()-1.)*rbeam;
91 fParticleGun->GeneratePrimaryVertex(anEven << 93 fParticleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0));
92 fParticleGun->SetParticlePosition(oldPosit << 94 fParticleGun->GeneratePrimaryVertex(anEvent);
93 } << 95 fParticleGun->SetParticlePosition(oldPosition);
94 else << 96 }
95 fParticleGun->GeneratePrimaryVertex(anEven << 97 else fParticleGun->GeneratePrimaryVertex(anEvent);
96 } 98 }
97 99
98 //....oooOO0OOooo........oooOO0OOooo........oo 100 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 101
99 102