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Please see the license in the file << 14 // * use. * 16 // * for the full disclaimer and the limitatio << 17 // * 15 // * * 18 // * This code implementation is the result << 16 // * This code implementation is the intellectual property of the * 19 // * technical work of the GEANT4 collaboratio << 17 // * GEANT4 collaboration. * 20 // * By using, copying, modifying or distri << 18 // * By copying, distributing or modifying the Program (or any work * 21 // * any work based on the software) you ag << 19 // * based on the Program) you indicate your acceptance of this * 22 // * use in resulting scientific publicati << 20 // * statement, and all its terms. * 23 // * acceptance of all terms of the Geant4 Sof << 24 // ******************************************* 21 // ******************************************************************** 25 // 22 // 26 /// \file electromagnetic/TestEm1/src/PrimaryG << 27 /// \brief Implementation of the PrimaryGenera << 28 // 23 // >> 24 // $Id: PrimaryGeneratorAction.cc,v 1.3 2004/08/03 11:31:44 maire Exp $ >> 25 // GEANT4 tag $Name: geant4-07-01 $ 29 // 26 // >> 27 // 30 28 31 //....oooOO0OOooo........oooOO0OOooo........oo 29 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 32 //....oooOO0OOooo........oooOO0OOooo........oo 30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 33 31 34 #include "PrimaryGeneratorAction.hh" 32 #include "PrimaryGeneratorAction.hh" 35 33 36 #include "DetectorConstruction.hh" 34 #include "DetectorConstruction.hh" 37 #include "PrimaryGeneratorMessenger.hh" 35 #include "PrimaryGeneratorMessenger.hh" 38 36 39 #include "G4Event.hh" 37 #include "G4Event.hh" 40 #include "G4ParticleDefinition.hh" << 41 #include "G4ParticleTable.hh" 38 #include "G4ParticleTable.hh" 42 #include "G4SystemOfUnits.hh" << 39 #include "G4ParticleDefinition.hh" 43 #include "Randomize.hh" 40 #include "Randomize.hh" 44 41 45 //....oooOO0OOooo........oooOO0OOooo........oo 42 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 46 43 47 PrimaryGeneratorAction::PrimaryGeneratorAction << 44 PrimaryGeneratorAction::PrimaryGeneratorAction( >> 45 DetectorConstruction* DC) >> 46 :Detector(DC) 48 { 47 { 49 fParticleGun = new G4ParticleGun(1); << 48 particleGun = new G4ParticleGun(1); 50 SetDefaultKinematic(1); 49 SetDefaultKinematic(1); 51 << 50 rndmBeam = 0.; 52 // create a messenger for this class << 51 53 fGunMessenger = new PrimaryGeneratorMessenge << 52 //create a messenger for this class >> 53 gunMessenger = new PrimaryGeneratorMessenger(this); 54 } 54 } 55 55 56 //....oooOO0OOooo........oooOO0OOooo........oo 56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 57 57 58 PrimaryGeneratorAction::~PrimaryGeneratorActio 58 PrimaryGeneratorAction::~PrimaryGeneratorAction() 59 { 59 { 60 delete fParticleGun; << 60 delete particleGun; 61 delete fGunMessenger; << 61 delete gunMessenger; 62 } 62 } 63 63 64 //....oooOO0OOooo........oooOO0OOooo........oo 64 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 65 65 66 void PrimaryGeneratorAction::SetDefaultKinemat 66 void PrimaryGeneratorAction::SetDefaultKinematic(G4int front) 67 { 67 { 68 G4ParticleDefinition* particle = G4ParticleT << 68 G4ParticleDefinition* particle 69 fParticleGun->SetParticleDefinition(particle << 69 = G4ParticleTable::GetParticleTable()->FindParticle("e-"); 70 fParticleGun->SetParticleMomentumDirection(G << 70 particleGun->SetParticleDefinition(particle); 71 fParticleGun->SetParticleEnergy(100 * MeV); << 71 particleGun->SetParticleMomentumDirection(G4ThreeVector(1.,0.,0.)); 72 G4double position = 0. * cm; << 72 particleGun->SetParticleEnergy(100*MeV); 73 if (front) position = -0.4999 * (fDetector-> << 73 G4double position = 0.*cm; 74 fParticleGun->SetParticlePosition(G4ThreeVec << 74 if (front) position = -0.5*(Detector->GetSize()); >> 75 particleGun->SetParticlePosition(G4ThreeVector(position,0.*cm,0.*cm)); 75 } 76 } 76 77 77 //....oooOO0OOooo........oooOO0OOooo........oo 78 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 78 79 79 void PrimaryGeneratorAction::GeneratePrimaries 80 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent) 80 { 81 { 81 // this function is called at the begining o << 82 //this function is called at the begining of event 82 // 83 // 83 // randomize the beam, if requested. << 84 //randomize the beam, if requested. 84 if (fRndmBeam > 0.) { << 85 if (rndmBeam > 0.) 85 G4ThreeVector oldPosition = fParticleGun-> << 86 { 86 G4double rbeam = 0.5 * (fDetector->GetSize << 87 G4ThreeVector oldPosition = particleGun->GetParticlePosition(); 87 G4double x0 = oldPosition.x(); << 88 G4double rbeam = 0.5*(Detector->GetSize())*rndmBeam; 88 G4double y0 = oldPosition.y() + (2 * G4Uni << 89 G4double x0 = oldPosition.x(); 89 G4double z0 = oldPosition.z() + (2 * G4Uni << 90 G4double y0 = oldPosition.y() + (2*G4UniformRand()-1.)*rbeam; 90 fParticleGun->SetParticlePosition(G4ThreeV << 91 G4double z0 = oldPosition.z() + (2*G4UniformRand()-1.)*rbeam; 91 fParticleGun->GeneratePrimaryVertex(anEven << 92 particleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0)); 92 fParticleGun->SetParticlePosition(oldPosit << 93 particleGun->GeneratePrimaryVertex(anEvent); 93 } << 94 particleGun->SetParticlePosition(oldPosition); 94 else << 95 } 95 fParticleGun->GeneratePrimaryVertex(anEven << 96 else particleGun->GeneratePrimaryVertex(anEvent); 96 } 97 } 97 98 98 //....oooOO0OOooo........oooOO0OOooo........oo 99 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... >> 100 99 101