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26 /// \file optical/OpNovice2/src/PrimaryGenerat 26 /// \file optical/OpNovice2/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 "PrimaryGeneratorMessenger.hh" 36 #include "PrimaryGeneratorMessenger.hh"
37 37
38 #include "G4Event.hh" 38 #include "G4Event.hh"
39 #include "G4OpticalPhoton.hh" 39 #include "G4OpticalPhoton.hh"
40 #include "G4ParticleDefinition.hh" <<
41 #include "G4ParticleGun.hh" 40 #include "G4ParticleGun.hh"
42 #include "G4ParticleTable.hh" 41 #include "G4ParticleTable.hh"
>> 42 #include "G4ParticleDefinition.hh"
43 #include "G4SystemOfUnits.hh" 43 #include "G4SystemOfUnits.hh"
44 #include "Randomize.hh" 44 #include "Randomize.hh"
45 45
46 //....oooOO0OOooo........oooOO0OOooo........oo 46 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
47 47
48 PrimaryGeneratorAction::PrimaryGeneratorAction 48 PrimaryGeneratorAction::PrimaryGeneratorAction()
49 : G4VUserPrimaryGeneratorAction(), fParticle << 49 : G4VUserPrimaryGeneratorAction()
>> 50 , fParticleGun(0)
50 { 51 {
51 G4int n_particle = 1; 52 G4int n_particle = 1;
52 fParticleGun = new G4ParticleGun(n_particle) << 53 fParticleGun = new G4ParticleGun(n_particle);
53 54
54 // create a messenger for this class 55 // create a messenger for this class
55 fGunMessenger = new PrimaryGeneratorMessenge 56 fGunMessenger = new PrimaryGeneratorMessenger(this);
56 57
>> 58 fRandomDirection = false;
>> 59 fPolarized = false;
>> 60 fPolarization = 0.;
>> 61 // default kinematic
>> 62 //
57 G4ParticleTable* particleTable = G4ParticleT 63 G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
58 G4ParticleDefinition* particle = particleTab 64 G4ParticleDefinition* particle = particleTable->FindParticle("e+");
59 65
60 fParticleGun->SetParticleDefinition(particle 66 fParticleGun->SetParticleDefinition(particle);
61 fParticleGun->SetParticleTime(0.0 * ns); 67 fParticleGun->SetParticleTime(0.0 * ns);
62 fParticleGun->SetParticlePosition(G4ThreeVec << 68 fParticleGun->SetParticlePosition(
>> 69 G4ThreeVector(0.0 * cm, 0.0 * cm, 0.0 * cm));
63 fParticleGun->SetParticleMomentumDirection(G 70 fParticleGun->SetParticleMomentumDirection(G4ThreeVector(1., 0., 0.));
64 fParticleGun->SetParticleEnergy(500.0 * keV) 71 fParticleGun->SetParticleEnergy(500.0 * keV);
65 } 72 }
66 73
67 //....oooOO0OOooo........oooOO0OOooo........oo 74 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
68 75
69 PrimaryGeneratorAction::~PrimaryGeneratorActio 76 PrimaryGeneratorAction::~PrimaryGeneratorAction()
70 { 77 {
71 delete fParticleGun; 78 delete fParticleGun;
72 delete fGunMessenger; 79 delete fGunMessenger;
73 } 80 }
74 81
75 //....oooOO0OOooo........oooOO0OOooo........oo 82 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
76 83
77 void PrimaryGeneratorAction::GeneratePrimaries 84 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
78 { 85 {
79 if (fRandomDirection) { << 86 if(fRandomDirection)
>> 87 {
80 G4double theta = CLHEP::halfpi * G4Uniform 88 G4double theta = CLHEP::halfpi * G4UniformRand();
81 G4double phi = CLHEP::twopi * G4UniformRan << 89 G4double phi = CLHEP::twopi * G4UniformRand();
82 G4double x = std::cos(theta); << 90 G4double x = std::cos(theta);
83 G4double y = std::sin(theta) * std::sin(ph << 91 G4double y = std::sin(theta) * std::sin(phi);
84 G4double z = std::sin(theta) * std::cos(ph << 92 G4double z = std::sin(theta) * std::cos(phi);
85 G4ThreeVector dir(x, y, z); 93 G4ThreeVector dir(x, y, z);
86 fParticleGun->SetParticleMomentumDirection 94 fParticleGun->SetParticleMomentumDirection(dir);
87 } 95 }
88 if (fParticleGun->GetParticleDefinition() == << 96 if(fParticleGun->GetParticleDefinition() ==
89 if (fPolarized) << 97 G4OpticalPhoton::OpticalPhotonDefinition())
>> 98 {
>> 99 if(fPolarized)
90 SetOptPhotonPolar(fPolarization); 100 SetOptPhotonPolar(fPolarization);
91 else 101 else
92 SetOptPhotonPolar(); 102 SetOptPhotonPolar();
93 } 103 }
94 fParticleGun->GeneratePrimaryVertex(anEvent) 104 fParticleGun->GeneratePrimaryVertex(anEvent);
95 } 105 }
96 106
97 //....oooOO0OOooo........oooOO0OOooo........oo 107 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
98 108
99 void PrimaryGeneratorAction::SetOptPhotonPolar 109 void PrimaryGeneratorAction::SetOptPhotonPolar()
100 { 110 {
101 G4double angle = G4UniformRand() * 360.0 * d 111 G4double angle = G4UniformRand() * 360.0 * deg;
102 SetOptPhotonPolar(angle); 112 SetOptPhotonPolar(angle);
103 } 113 }
104 114
105 //....oooOO0OOooo........oooOO0OOooo........oo 115 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
106 116
107 void PrimaryGeneratorAction::SetOptPhotonPolar 117 void PrimaryGeneratorAction::SetOptPhotonPolar(G4double angle)
108 { 118 {
109 if (fParticleGun->GetParticleDefinition() != << 119 if(fParticleGun->GetParticleDefinition() !=
>> 120 G4OpticalPhoton::OpticalPhotonDefinition())
>> 121 {
110 G4ExceptionDescription ed; 122 G4ExceptionDescription ed;
111 ed << "The particleGun is not an opticalph 123 ed << "The particleGun is not an opticalphoton.";
112 G4Exception("PrimaryGeneratorAction::SetOp << 124 G4Exception("PrimaryGeneratorAction::SetOptPhotonPolar", "OpNovice2_004",
>> 125 JustWarning, ed);
113 return; 126 return;
114 } 127 }
115 128
116 fPolarized = true; << 129 fPolarized = true;
117 fPolarization = angle; 130 fPolarization = angle;
118 131
119 G4ThreeVector normal(1., 0., 0.); 132 G4ThreeVector normal(1., 0., 0.);
120 G4ThreeVector kphoton = fParticleGun->GetPar 133 G4ThreeVector kphoton = fParticleGun->GetParticleMomentumDirection();
121 G4ThreeVector product = normal.cross(kphoton 134 G4ThreeVector product = normal.cross(kphoton);
122 G4double modul2 = product * product; << 135 G4double modul2 = product * product;
123 136
124 G4ThreeVector e_perpend(0., 0., 1.); 137 G4ThreeVector e_perpend(0., 0., 1.);
125 if (modul2 > 0.) e_perpend = (1. / std::sqrt << 138 if(modul2 > 0.)
>> 139 e_perpend = (1. / std::sqrt(modul2)) * product;
126 G4ThreeVector e_paralle = e_perpend.cross(kp 140 G4ThreeVector e_paralle = e_perpend.cross(kphoton);
127 141
128 G4ThreeVector polar = std::cos(angle) * e_pa << 142 G4ThreeVector polar =
>> 143 std::cos(angle) * e_paralle + std::sin(angle) * e_perpend;
129 fParticleGun->SetParticlePolarization(polar) 144 fParticleGun->SetParticlePolarization(polar);
130 } 145 }
131 146
132 //....oooOO0OOooo........oooOO0OOooo........oo 147 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
133 void PrimaryGeneratorAction::SetRandomDirectio 148 void PrimaryGeneratorAction::SetRandomDirection(G4bool val)
134 { 149 {
135 fRandomDirection = val; 150 fRandomDirection = val;
136 } 151 }
137 152