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Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. * 17 // * 17 // * * 18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************* 24 // ******************************************************************** 25 // 25 // 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