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1 // 2 // ******************************************************************** 3 // * License and Disclaimer * 4 // * * 5 // * The Geant4 software is copyright of the Copyright Holders of * 6 // * the Geant4 Collaboration. It is provided under the terms and * 7 // * conditions of the Geant4 Software License, included in the file * 8 // * LICENSE and available at http://cern.ch/geant4/license . These * 9 // * include a list of copyright holders. * 10 // * * 11 // * Neither the authors of this software system, nor their employing * 12 // * institutes,nor the agencies providing financial support for this * 13 // * work make any representation or warranty, express or implied, * 14 // * regarding this software system or assume any liability for its * 15 // * use. Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitation of liability. * 17 // * * 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************************************** 25 // 26 /// \file electromagnetic/TestEm9/src/PrimaryGeneratorAction.cc 27 /// \brief Implementation of the PrimaryGeneratorAction class 28 // 29 // 30 // 31 ///////////////////////////////////////////////////////////////////////// 32 // 33 // TestEm9: Crystal calorimeter 34 // 35 // Created: 31.01.03 V.Ivanchenko 36 // 37 // Modified: 38 // 39 //////////////////////////////////////////////////////////////////////// 40 // 41 42 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 43 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 44 45 #include "PrimaryGeneratorAction.hh" 46 47 #include "DetectorConstruction.hh" 48 #include "HistoManager.hh" 49 50 #include "G4Electron.hh" 51 #include "G4Event.hh" 52 #include "G4ParticleTable.hh" 53 #include "G4SystemOfUnits.hh" 54 55 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 56 57 PrimaryGeneratorAction::PrimaryGeneratorAction(DetectorConstruction* det) 58 : G4VUserPrimaryGeneratorAction(), fParticleGun(0), fDetector(det) 59 { 60 fParticleGun = new G4ParticleGun(1); 61 fParticleGun->SetParticleDefinition(G4Electron::Electron()); 62 fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0., 0., 1.)); 63 fParticleGun->SetParticleEnergy(1. * GeV); 64 } 65 66 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 67 68 PrimaryGeneratorAction::~PrimaryGeneratorAction() 69 { 70 delete fParticleGun; 71 } 72 73 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 74 75 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent) 76 { 77 if (anEvent->GetEventID() == 0) { 78 G4double zVertex = -(fDetector->GetWorldSizeZ()); 79 fParticleGun->SetParticlePosition(G4ThreeVector(0., 0., zVertex)); 80 (HistoManager::GetPointer())->SetBeamEnergy(fParticleGun->GetParticleEnergy()); 81 G4cout << "### PrimaryGeneratorAction::GeneratePrimaries ##########" << G4endl; 82 G4cout << "### " << fParticleGun->GetParticleDefinition()->GetParticleName() 83 << " E(MeV)= " << fParticleGun->GetParticleEnergy() / MeV << G4endl; 84 G4cout << "########################################################" << G4endl; 85 } 86 fParticleGun->GeneratePrimaryVertex(anEvent); 87 } 88 89 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 90