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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 // $Id$
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
35 #include "DetectorConstruction.hh" 36 #include "DetectorConstruction.hh"
36 #include "PrimaryGeneratorMessenger.hh" 37 #include "PrimaryGeneratorMessenger.hh"
37 38
38 #include "G4Event.hh" 39 #include "G4Event.hh"
39 #include "G4ParticleDefinition.hh" <<
40 #include "G4ParticleGun.hh" 40 #include "G4ParticleGun.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 :fDetector(det)
48 { 50 {
49 fParticleGun = new G4ParticleGun(1); << 51 fParticleGun = new G4ParticleGun(1);
50 SetDefaultKinematic(); << 52 G4ParticleDefinition* particle
51 << 53 = G4ParticleTable::GetParticleTable()->FindParticle("e-");
52 // create a messenger for this class << 54 fParticleGun->SetParticleDefinition(particle);
53 fGunMessenger = new PrimaryGeneratorMessenge << 55 fParticleGun->SetParticleEnergy(500*keV);
>> 56 fParticleGun->SetParticleMomentumDirection(G4ThreeVector(1.,0.,0.));
>> 57
>> 58 fRndmBeam = 0.;
>> 59
>> 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 <<
67 { <<
68 G4ParticleDefinition* particle = G4ParticleT <<
69 fParticleGun->SetParticleDefinition(particle <<
70 fParticleGun->SetParticleEnergy(500 * keV); <<
71 fParticleGun->SetParticleMomentumDirection(G <<
72 G4double position = -0.4999 * (fDetector->Ge <<
73 fParticleGun->SetParticlePosition(G4ThreeVec <<
74 } <<
75 //....oooOO0OOooo........oooOO0OOooo........oo <<
76 <<
77 void PrimaryGeneratorAction::GeneratePrimaries 74 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
78 { 75 {
79 // this function is called at the begining o << 76 //this function is called at the begining of event
80 <<
81 // randomize the beam, if requested. <<
82 // 77 //
83 if (fRndmBeam > 0.) { << 78 G4double x0 = -0.5*(fDetector->GetAbsorSizeX());
84 G4ThreeVector oldPosition = fParticleGun-> << 79 G4double y0 = 0.*cm, z0 = 0.*cm;
85 if (fRndmBeam > fDetector->GetAbsorSizeYZ( << 80
86 G4double rbeam = 0.5 * fRndmBeam; << 81 //randomize the beam, if requested.
87 G4double x0 = oldPosition.x(); << 82 //
88 G4double y0 = oldPosition.y() + (2 * G4Uni << 83 if (fRndmBeam > 0.)
89 G4double z0 = oldPosition.z() + (2 * G4Uni << 84 {
90 fParticleGun->SetParticlePosition(G4ThreeV << 85 if (fRndmBeam > fDetector->GetAbsorSizeYZ())
91 fParticleGun->GeneratePrimaryVertex(anEven << 86 fRndmBeam = fDetector->GetAbsorSizeYZ();
92 fParticleGun->SetParticlePosition(oldPosit << 87 G4double rbeam = 0.5*fRndmBeam;
93 } << 88 y0 = (2*G4UniformRand()-1.)*rbeam;
94 << 89 z0 = (2*G4UniformRand()-1.)*rbeam;
95 else << 90 }
96 fParticleGun->GeneratePrimaryVertex(anEven << 91 fParticleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0));
>> 92 fParticleGun->GeneratePrimaryVertex(anEvent);
97 } 93 }
98 94
99 //....oooOO0OOooo........oooOO0OOooo........oo 95 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 96
100 97