| 1 | //
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| 2 | // ********************************************************************
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| 3 | // * License and Disclaimer *
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| 4 | // * *
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of *
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and *
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| 7 | // * conditions of the Geant4 Software License, included in the file *
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These *
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| 9 | // * include a list of copyright holders. *
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| 10 | // * *
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| 11 | // * Neither the authors of this software system, nor their employing *
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| 12 | // * institutes,nor the agencies providing financial support for this *
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| 13 | // * work make any representation or warranty, express or implied, *
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| 14 | // * regarding this software system or assume any liability for its *
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| 15 | // * use. Please see the license in the file LICENSE and URL above *
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| 16 | // * for the full disclaimer and the limitation of liability. *
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| 17 | // * *
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| 18 | // * This code implementation is the result of the scientific and *
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| 19 | // * technical work of the GEANT4 collaboration. *
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| 20 | // * By using, copying, modifying or distributing the software (or *
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| 21 | // * any work based on the software) you agree to acknowledge its *
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| 22 | // * use in resulting scientific publications, and indicate your *
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| 23 | // * acceptance of all terms of the Geant4 Software license. *
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| 24 | // ********************************************************************
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| 25 | //
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| 26 |
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| 27 | #include "ExN04PrimaryGeneratorAction.hh"
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| 28 |
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| 29 | #include "G4Event.hh"
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| 30 | #include "G4HEPEvtInterface.hh"
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| 31 | #include "G4ParticleGun.hh"
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| 32 | #include "G4ParticleTable.hh"
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| 33 | #include "G4ParticleDefinition.hh"
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| 34 | #include "ExN04PrimaryGeneratorMessenger.hh"
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| 35 |
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| 36 | ExN04PrimaryGeneratorAction::ExN04PrimaryGeneratorAction()
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| 37 | {
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| 38 | const char* filename = "pythia_event.data";
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| 39 | HEPEvt = new G4HEPEvtInterface(filename);
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| 40 |
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| 41 | G4int n_particle = 1;
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| 42 | G4ParticleGun* fParticleGun = new G4ParticleGun(n_particle);
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| 43 | G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
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| 44 | G4String particleName;
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| 45 | G4ParticleDefinition* particle
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| 46 | = particleTable->FindParticle(particleName="mu+");
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| 47 | fParticleGun->SetParticleDefinition(particle);
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| 48 | fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0.,1.,0.));
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| 49 | fParticleGun->SetParticleEnergy(100.*GeV);
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| 50 | fParticleGun->SetParticlePosition(G4ThreeVector(0.*cm,0.*cm,0.*cm));
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| 51 | particleGun = fParticleGun;
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| 52 |
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| 53 | messenger = new ExN04PrimaryGeneratorMessenger(this);
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| 54 | useHEPEvt = true;
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| 55 | }
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| 56 |
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| 57 | ExN04PrimaryGeneratorAction::~ExN04PrimaryGeneratorAction()
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| 58 | {
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| 59 | delete HEPEvt;
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| 60 | delete particleGun;
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| 61 | delete messenger;
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| 62 | }
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| 63 |
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| 64 | void ExN04PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
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| 65 | {
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| 66 | if(useHEPEvt)
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| 67 | { HEPEvt->GeneratePrimaryVertex(anEvent); }
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| 68 | else
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| 69 | { particleGun->GeneratePrimaryVertex(anEvent); }
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| 70 | }
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| 71 |
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| 72 |
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