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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 // $Id: PrimaryGeneratorAction.cc 76293 2013-11-08 13:11:23Z gcosmo $
>> 30 //
30 31
31 //....oooOO0OOooo........oooOO0OOooo........oo 32 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 //....oooOO0OOooo........oooOO0OOooo........oo 33 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
33 34
34 #include "PrimaryGeneratorAction.hh" 35 #include "PrimaryGeneratorAction.hh"
35 36
36 #include "DetectorConstruction.hh" 37 #include "DetectorConstruction.hh"
37 #include "PrimaryGeneratorMessenger.hh" 38 #include "PrimaryGeneratorMessenger.hh"
38 39
39 #include "G4Event.hh" 40 #include "G4Event.hh"
40 #include "G4ParticleDefinition.hh" <<
41 #include "G4ParticleTable.hh" 41 #include "G4ParticleTable.hh"
>> 42 #include "G4ParticleDefinition.hh"
42 #include "G4SystemOfUnits.hh" 43 #include "G4SystemOfUnits.hh"
43 #include "Randomize.hh" 44 #include "Randomize.hh"
44 45
45 //....oooOO0OOooo........oooOO0OOooo........oo 46 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
46 47
47 PrimaryGeneratorAction::PrimaryGeneratorAction << 48 PrimaryGeneratorAction::PrimaryGeneratorAction( DetectorConstruction* det)
>> 49 :G4VUserPrimaryGeneratorAction(),
>> 50 fParticleGun(0),
>> 51 fDetector(det),
>> 52 fRndmBeam(0),
>> 53 fGunMessenger(0)
>> 54
48 { 55 {
49 fParticleGun = new G4ParticleGun(1); << 56 fParticleGun = new G4ParticleGun(1);
50 SetDefaultKinematic(1); 57 SetDefaultKinematic(1);
51 << 58 fRndmBeam = 0.;
52 // create a messenger for this class << 59
53 fGunMessenger = new PrimaryGeneratorMessenge << 60 //create a messenger for this class
>> 61 fGunMessenger = new PrimaryGeneratorMessenger(this);
54 } 62 }
55 63
56 //....oooOO0OOooo........oooOO0OOooo........oo 64 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
57 65
58 PrimaryGeneratorAction::~PrimaryGeneratorActio 66 PrimaryGeneratorAction::~PrimaryGeneratorAction()
59 { 67 {
60 delete fParticleGun; 68 delete fParticleGun;
61 delete fGunMessenger; << 69 delete fGunMessenger;
62 } 70 }
63 71
64 //....oooOO0OOooo........oooOO0OOooo........oo 72 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
65 73
66 void PrimaryGeneratorAction::SetDefaultKinemat 74 void PrimaryGeneratorAction::SetDefaultKinematic(G4int front)
67 { 75 {
68 G4ParticleDefinition* particle = G4ParticleT << 76 G4ParticleDefinition* particle
>> 77 = G4ParticleTable::GetParticleTable()->FindParticle("e-");
69 fParticleGun->SetParticleDefinition(particle 78 fParticleGun->SetParticleDefinition(particle);
70 fParticleGun->SetParticleMomentumDirection(G << 79 fParticleGun->SetParticleMomentumDirection(G4ThreeVector(1.,0.,0.));
71 fParticleGun->SetParticleEnergy(100 * MeV); << 80 fParticleGun->SetParticleEnergy(100*MeV);
72 G4double position = 0. * cm; << 81 G4double position = 0.*cm;
73 if (front) position = -0.4999 * (fDetector-> << 82 if (front) position = -0.5*(fDetector->GetSize());
74 fParticleGun->SetParticlePosition(G4ThreeVec << 83 fParticleGun->SetParticlePosition(G4ThreeVector(position,0.*cm,0.*cm));
75 } 84 }
76 85
77 //....oooOO0OOooo........oooOO0OOooo........oo 86 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
78 87
79 void PrimaryGeneratorAction::GeneratePrimaries 88 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
80 { 89 {
81 // this function is called at the begining o << 90 //this function is called at the begining of event
82 // 91 //
83 // randomize the beam, if requested. << 92 //randomize the beam, if requested.
84 if (fRndmBeam > 0.) { << 93 if (fRndmBeam > 0.)
85 G4ThreeVector oldPosition = fParticleGun-> << 94 {
86 G4double rbeam = 0.5 * (fDetector->GetSize << 95 G4ThreeVector oldPosition = fParticleGun->GetParticlePosition();
87 G4double x0 = oldPosition.x(); << 96 G4double rbeam = 0.5*(fDetector->GetSize())*fRndmBeam;
88 G4double y0 = oldPosition.y() + (2 * G4Uni << 97 G4double x0 = oldPosition.x();
89 G4double z0 = oldPosition.z() + (2 * G4Uni << 98 G4double y0 = oldPosition.y() + (2*G4UniformRand()-1.)*rbeam;
90 fParticleGun->SetParticlePosition(G4ThreeV << 99 G4double z0 = oldPosition.z() + (2*G4UniformRand()-1.)*rbeam;
91 fParticleGun->GeneratePrimaryVertex(anEven << 100 fParticleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0));
92 fParticleGun->SetParticlePosition(oldPosit << 101 fParticleGun->GeneratePrimaryVertex(anEvent);
93 } << 102 fParticleGun->SetParticlePosition(oldPosition);
94 else << 103 }
95 fParticleGun->GeneratePrimaryVertex(anEven << 104 else fParticleGun->GeneratePrimaryVertex(anEvent);
96 } 105 }
97 106
98 //....oooOO0OOooo........oooOO0OOooo........oo 107 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 108
99 109