Geant4 Cross Reference |
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 persistency/gdml/G04/src/G04PrimaryGeneratorAction.cc 27 /// \brief Implementation of the G04PrimaryGeneratorAction class 28 // 29 // 30 // 31 // 32 33 #include "G04PrimaryGeneratorAction.hh" 34 35 #include "G4Event.hh" 36 #include "G4ParticleDefinition.hh" 37 #include "G4ParticleGun.hh" 38 #include "G4ParticleTable.hh" 39 #include "G4SystemOfUnits.hh" 40 41 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 42 43 G04PrimaryGeneratorAction::G04PrimaryGeneratorAction() 44 : G4VUserPrimaryGeneratorAction(), fParticleGun(0) 45 { 46 G4int n_particle = 1; 47 fParticleGun = new G4ParticleGun(n_particle); 48 49 G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable(); 50 G4String particleName; 51 fParticleGun->SetParticleDefinition(particleTable->FindParticle(particleName = "geantino")); 52 fParticleGun->SetParticleEnergy(1.0 * GeV); 53 fParticleGun->SetParticlePosition(G4ThreeVector(-2.0 * m, 0.1, 0.1)); 54 } 55 56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 57 58 G04PrimaryGeneratorAction::~G04PrimaryGeneratorAction() 59 { 60 delete fParticleGun; 61 } 62 63 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 64 65 void G04PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent) 66 { 67 G4int i = anEvent->GetEventID() % 3; 68 G4ThreeVector v(1.0, 0.0, 0.0); 69 switch (i) { 70 case 0: 71 break; 72 case 1: 73 v.setY(0.1); 74 break; 75 case 2: 76 v.setZ(0.1); 77 break; 78 } 79 fParticleGun->SetParticleMomentumDirection(v); 80 fParticleGun->GeneratePrimaryVertex(anEvent); 81 } 82