Geant4 Cross Reference |
1 // 1 // 2 // ******************************************* 2 // ******************************************************************** 3 // * License and Disclaimer 3 // * License and Disclaimer * 4 // * 4 // * * 5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of * 6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and * 7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file * 8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These * 9 // * include a list of copyright holders. 9 // * include a list of copyright holders. * 10 // * 10 // * * 11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing * 12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this * 13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, * 14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its * 15 // * use. Please see the license in the file 15 // * use. 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 // 26 // 27 //....oooOO0OOooo........oooOO0OOooo........oo 27 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 28 //....oooOO0OOooo........oooOO0OOooo........oo 28 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 29 29 30 #include "PrimaryGeneratorAction.hh" 30 #include "PrimaryGeneratorAction.hh" 31 31 32 #include "PrimaryGeneratorMessenger.hh" 32 #include "PrimaryGeneratorMessenger.hh" 33 #include "DetectorConstruction.hh" 33 #include "DetectorConstruction.hh" 34 34 35 #include "G4SystemOfUnits.hh" 35 #include "G4SystemOfUnits.hh" 36 #include "G4Event.hh" 36 #include "G4Event.hh" 37 #include "G4ParticleGun.hh" 37 #include "G4ParticleGun.hh" 38 #include "G4ParticleTable.hh" 38 #include "G4ParticleTable.hh" 39 #include "G4ParticleDefinition.hh" 39 #include "G4ParticleDefinition.hh" 40 #include "Randomize.hh" 40 #include "Randomize.hh" 41 41 42 //....oooOO0OOooo........oooOO0OOooo........oo 42 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 43 43 44 PrimaryGeneratorAction::PrimaryGeneratorAction 44 PrimaryGeneratorAction::PrimaryGeneratorAction(DetectorConstruction* det) 45 :Detector(det) 45 :Detector(det) 46 { 46 { 47 G4int n_particle = 1; 47 G4int n_particle = 1; 48 particleGun = new G4ParticleGun(n_particle) 48 particleGun = new G4ParticleGun(n_particle); 49 SetDefaultKinematic(); 49 SetDefaultKinematic(); 50 beam = 0.*mm; 50 beam = 0.*mm; 51 51 52 //create a messenger for this class 52 //create a messenger for this class 53 gunMessenger = new PrimaryGeneratorMessenger 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 particleGun; 60 delete particleGun; 61 delete gunMessenger; 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() 67 { 67 { 68 G4ParticleTable* particleTable = G4ParticleT 68 G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable(); 69 G4String particleName; 69 G4String particleName; 70 G4ParticleDefinition* particle 70 G4ParticleDefinition* particle 71 = particleTable->FindParti 71 = particleTable->FindParticle(particleName="e-"); 72 particleGun->SetParticleDefinition(particle) 72 particleGun->SetParticleDefinition(particle); 73 particleGun->SetParticleMomentumDirection(G4 73 particleGun->SetParticleMomentumDirection(G4ThreeVector(1.,0.,0.)); 74 particleGun->SetParticleEnergy(1.*GeV); 74 particleGun->SetParticleEnergy(1.*GeV); 75 G4double position = -0.5*(Detector->GetWorld 75 G4double position = -0.5*(Detector->GetWorldSizeX()); 76 particleGun->SetParticlePosition(G4ThreeVect 76 particleGun->SetParticlePosition(G4ThreeVector(position,0.*mm,0.*mm)); 77 } 77 } 78 78 79 //....oooOO0OOooo........oooOO0OOooo........oo 79 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 80 80 81 void PrimaryGeneratorAction::GeneratePrimaries 81 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent) 82 { 82 { 83 //this function is called at the begining of 83 //this function is called at the begining of event 84 // 84 // 85 //randomize beam, if requested. 85 //randomize beam, if requested. 86 // 86 // 87 if (beam > 0.) 87 if (beam > 0.) 88 { 88 { 89 G4ThreeVector position = particleGun->Ge 89 G4ThreeVector position = particleGun->GetParticlePosition(); 90 G4double maxYZ = 0.49*(Detector->GetCalo 90 G4double maxYZ = 0.49*(Detector->GetCalorSizeYZ()); 91 G4double x0 = position.x(); 91 G4double x0 = position.x(); 92 G4double y0 = position.y() + (G4UniformR 92 G4double y0 = position.y() + (G4UniformRand()-0.5)*beam; 93 G4double z0 = position.z() + (G4UniformR 93 G4double z0 = position.z() + (G4UniformRand()-0.5)*beam; 94 if (std::abs(y0) > maxYZ) y0 = maxYZ; 94 if (std::abs(y0) > maxYZ) y0 = maxYZ; 95 if (std::abs(z0) > maxYZ) z0 = maxYZ; 95 if (std::abs(z0) > maxYZ) z0 = maxYZ; 96 particleGun->SetParticlePosition(G4Three 96 particleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0)); 97 particleGun->GeneratePrimaryVertex(anEve 97 particleGun->GeneratePrimaryVertex(anEvent); 98 particleGun->SetParticlePosition(positio 98 particleGun->SetParticlePosition(position); 99 } 99 } 100 else particleGun->GeneratePrimaryVertex(anE 100 else particleGun->GeneratePrimaryVertex(anEvent); 101 } 101 } 102 102 103 //....oooOO0OOooo........oooOO0OOooo........oo 103 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 104 104 105 105