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1 // 1 2 // ******************************************* 3 // * License and Disclaimer 4 // * 5 // * The Geant4 software is copyright of th 6 // * the Geant4 Collaboration. It is provided 7 // * conditions of the Geant4 Software License 8 // * LICENSE and available at http://cern.ch/ 9 // * include a list of copyright holders. 10 // * 11 // * Neither the authors of this software syst 12 // * institutes,nor the agencies providing fin 13 // * work make any representation or warran 14 // * regarding this software system or assum 15 // * use. Please see the license in the file 16 // * for the full disclaimer and the limitatio 17 // * 18 // * This code implementation is the result 19 // * technical work of the GEANT4 collaboratio 20 // * By using, copying, modifying or distri 21 // * any work based on the software) you ag 22 // * use in resulting scientific publicati 23 // * acceptance of all terms of the Geant4 Sof 24 // ******************************************* 25 // 26 /// \file hadronic/Hadr02/src/PrimaryGenerator 27 /// \brief Implementation of the PrimaryGenera 28 // 29 // 30 ////////////////////////////////////////////// 31 // 32 // EventActionMessenger 33 // 34 // Created: 31.01.03 V.Ivanchenko 35 // 36 // Modified: 37 // 04.06.2006 Adoptation of hadr01 (V.Ivanchen 38 // 16.11.2006 Add option allowing to have user 39 // 40 ////////////////////////////////////////////// 41 // 42 43 #include "PrimaryGeneratorAction.hh" 44 45 #include "HistoManager.hh" 46 47 #include "G4Event.hh" 48 #include "G4ParticleGun.hh" 49 #include "G4SystemOfUnits.hh" 50 51 //....oooOO0OOooo........oooOO0OOooo........oo 52 53 PrimaryGeneratorAction::PrimaryGeneratorAction 54 : G4VUserPrimaryGeneratorAction(), fParticle 55 { 56 fParticleGun = new G4ParticleGun(1); 57 fParticleGun->SetParticleMomentumDirection(G 58 fHisto = HistoManager::GetPointer(); 59 } 60 61 //....oooOO0OOooo........oooOO0OOooo........oo 62 63 PrimaryGeneratorAction::~PrimaryGeneratorActio 64 { 65 delete fParticleGun; 66 } 67 68 //....oooOO0OOooo........oooOO0OOooo........oo 69 70 void PrimaryGeneratorAction::GeneratePrimaries 71 { 72 if (event->GetEventID() == 0) { 73 if (fHisto->DefaultBeamPosition()) { 74 G4double zVertex = -(5.0 * mm + fHisto-> 75 fParticleGun->SetParticlePosition(G4Thre 76 } 77 } 78 fParticleGun->GeneratePrimaryVertex(event); 79 } 80 81 //....oooOO0OOooo........oooOO0OOooo........oo 82