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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 electromagnetic/TestEm5/src/PrimaryG << 26 // $Id: PrimaryGeneratorAction.cc,v 1.4 2006/06/29 16:56:09 gunter Exp $ 27 /// \brief Implementation of the PrimaryGenera << 27 // GEANT4 tag $Name: geant4-09-01 $ 28 // << 29 // 28 // 30 //....oooOO0OOooo........oooOO0OOooo........oo 29 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 31 //....oooOO0OOooo........oooOO0OOooo........oo 30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 32 31 33 #include "PrimaryGeneratorAction.hh" 32 #include "PrimaryGeneratorAction.hh" 34 33 35 #include "DetectorConstruction.hh" 34 #include "DetectorConstruction.hh" 36 #include "PrimaryGeneratorMessenger.hh" 35 #include "PrimaryGeneratorMessenger.hh" 37 36 38 #include "G4Event.hh" 37 #include "G4Event.hh" 39 #include "G4ParticleDefinition.hh" << 40 #include "G4ParticleTable.hh" 38 #include "G4ParticleTable.hh" 41 #include "G4SystemOfUnits.hh" << 39 #include "G4ParticleDefinition.hh" 42 #include "Randomize.hh" 40 #include "Randomize.hh" 43 41 44 //....oooOO0OOooo........oooOO0OOooo........oo 42 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 45 43 46 PrimaryGeneratorAction::PrimaryGeneratorAction << 44 PrimaryGeneratorAction::PrimaryGeneratorAction( >> 45 DetectorConstruction* DC) >> 46 :Detector(DC) 47 { 47 { 48 G4int n_particle = 1; 48 G4int n_particle = 1; 49 fParticleGun = new G4ParticleGun(n_particle) << 49 particleGun = new G4ParticleGun(n_particle); 50 SetDefaultKinematic(); 50 SetDefaultKinematic(); 51 << 51 rndmBeam = 0.; 52 // create a messenger for this class << 52 53 fGunMessenger = new PrimaryGeneratorMessenge << 53 //create a messenger for this class >> 54 gunMessenger = 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 particleGun; 61 delete fGunMessenger; << 62 delete gunMessenger; 62 } 63 } 63 << 64 64 //....oooOO0OOooo........oooOO0OOooo........oo 65 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 65 66 66 void PrimaryGeneratorAction::SetDefaultKinemat 67 void PrimaryGeneratorAction::SetDefaultKinematic() 67 { << 68 { 68 // default particle kinematic 69 // default particle kinematic 69 // 70 // 70 G4ParticleTable* particleTable = G4ParticleT 71 G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable(); 71 G4ParticleDefinition* particle = particleTab << 72 G4ParticleDefinition* particle 72 fParticleGun->SetParticleDefinition(particle << 73 = particleTable->FindParticle("e-"); 73 fParticleGun->SetParticleMomentumDirection(G << 74 particleGun->SetParticleDefinition(particle); 74 fParticleGun->SetParticleEnergy(30. * MeV); << 75 particleGun->SetParticleMomentumDirection(G4ThreeVector(1.,0.,0.)); 75 G4double x0 = -0.4999 * (fDetector->GetWorld << 76 particleGun->SetParticleEnergy(30.*MeV); 76 fParticleGun->SetParticlePosition(G4ThreeVec << 77 G4double x0 = -0.5*(Detector->GetWorldSizeX()); >> 78 particleGun->SetParticlePosition(G4ThreeVector(x0, 0*cm, 0*cm)); 77 } 79 } 78 80 79 //....oooOO0OOooo........oooOO0OOooo........oo 81 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 80 82 81 void PrimaryGeneratorAction::GeneratePrimaries 83 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent) 82 { 84 { 83 // this function is called at the begining o << 85 //this function is called at the begining of event 84 // 86 // 85 // randomize the beam, if requested. << 87 //randomize the beam, if requested. 86 if (fRndmBeam > 0.) { << 88 if (rndmBeam > 0.) 87 G4ThreeVector oldPosition = fParticleGun-> << 89 { 88 G4double rbeam = 0.5 * (fDetector->GetAbso << 90 G4ThreeVector oldPosition = particleGun->GetParticlePosition(); 89 G4double x0 = oldPosition.x(); << 91 G4double rbeam = 0.5*(Detector->GetAbsorberSizeYZ())*rndmBeam; 90 G4double y0 = (2 * G4UniformRand() - 1.) * << 92 G4double x0 = oldPosition.x(); 91 G4double z0 = (2 * G4UniformRand() - 1.) * << 93 G4double y0 = oldPosition.y() + (2*G4UniformRand()-1.)*rbeam; 92 fParticleGun->SetParticlePosition(G4ThreeV << 94 G4double z0 = oldPosition.z() + (2*G4UniformRand()-1.)*rbeam; 93 fParticleGun->GeneratePrimaryVertex(anEven << 95 particleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0)); 94 fParticleGun->SetParticlePosition(oldPosit << 96 particleGun->GeneratePrimaryVertex(anEvent); 95 } << 97 particleGun->SetParticlePosition(oldPosition); 96 else << 98 } 97 fParticleGun->GeneratePrimaryVertex(anEven << 99 else particleGun->GeneratePrimaryVertex(anEvent); 98 } 100 } 99 101 100 //....oooOO0OOooo........oooOO0OOooo........oo 102 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 101 103