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 /// \file PrimaryGeneratorAction.cc 26 /// \file PrimaryGeneratorAction.cc 27 /// \brief Implementation of the PrimaryGenera 27 /// \brief Implementation of the PrimaryGeneratorAction class 28 // 28 // 29 // << 29 // 30 //....oooOO0OOooo........oooOO0OOooo........oo 30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 31 //....oooOO0OOooo........oooOO0OOooo........oo 31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 32 32 33 #include "PrimaryGeneratorAction.hh" 33 #include "PrimaryGeneratorAction.hh" 34 34 35 #include "DetectorConstruction.hh" 35 #include "DetectorConstruction.hh" 36 36 37 #include "G4Event.hh" 37 #include "G4Event.hh" 38 #include "G4ParticleDefinition.hh" << 39 #include "G4ParticleTable.hh" 38 #include "G4ParticleTable.hh" >> 39 #include "G4ParticleDefinition.hh" 40 #include "G4SystemOfUnits.hh" 40 #include "G4SystemOfUnits.hh" 41 #include "Randomize.hh" 41 #include "Randomize.hh" 42 42 43 //....oooOO0OOooo........oooOO0OOooo........oo 43 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 44 44 45 PrimaryGeneratorAction::PrimaryGeneratorAction << 45 PrimaryGeneratorAction::PrimaryGeneratorAction(DetectorConstruction* det) >> 46 :G4VUserPrimaryGeneratorAction(),fParticleGun(0),fDetector(det) 46 { 47 { 47 fParticleGun = new G4ParticleGun(1); << 48 fParticleGun = new G4ParticleGun(1); 48 G4ParticleDefinition* particle = G4ParticleT << 49 G4ParticleDefinition* particle >> 50 = G4ParticleTable::GetParticleTable()->FindParticle("gamma"); 49 fParticleGun->SetParticleDefinition(particle 51 fParticleGun->SetParticleDefinition(particle); 50 fParticleGun->SetParticleEnergy(1 * MeV); << 52 fParticleGun->SetParticleEnergy(1*MeV); 51 fParticleGun->SetParticleMomentumDirection(G << 53 fParticleGun->SetParticleMomentumDirection(G4ThreeVector(1.,0.,0.)); 52 } 54 } 53 55 54 //....oooOO0OOooo........oooOO0OOooo........oo 56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 55 57 56 PrimaryGeneratorAction::~PrimaryGeneratorActio 58 PrimaryGeneratorAction::~PrimaryGeneratorAction() 57 { 59 { 58 delete fParticleGun; 60 delete fParticleGun; 59 } 61 } 60 62 61 //....oooOO0OOooo........oooOO0OOooo........oo 63 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 62 64 63 void PrimaryGeneratorAction::GeneratePrimaries 65 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent) 64 { 66 { 65 // this function is called at the begining o << 67 //this function is called at the begining of event 66 // 68 // 67 G4double halfSize = 0.5 * (fDetector->GetSiz << 69 G4double halfSize = 0.5*(fDetector->GetSize()); 68 G4double x0 = -halfSize; << 70 G4double x0 = - halfSize; 69 << 71 70 // randomize (y0,z0) << 72 //randomize (y0,z0) 71 // 73 // 72 G4double beam = 0.8 * halfSize; << 74 G4double beam = 0.8*halfSize; 73 G4double y0 = (2 * G4UniformRand() - 1.) * b << 75 G4double y0 = (2*G4UniformRand()-1.)*beam; 74 G4double z0 = (2 * G4UniformRand() - 1.) * b << 76 G4double z0 = (2*G4UniformRand()-1.)*beam; 75 << 77 76 fParticleGun->SetParticlePosition(G4ThreeVec << 78 fParticleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0)); 77 fParticleGun->GeneratePrimaryVertex(anEvent) 79 fParticleGun->GeneratePrimaryVertex(anEvent); 78 } 80 } 79 81 80 //....oooOO0OOooo........oooOO0OOooo........oo 82 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... >> 83 81 84