| 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 | // $Id: PrimaryGeneratorAction.cc,v 1.4 2007/12/05 08:41:18 gcosmo Exp $
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| 28 | // GEANT4 tag $Name: $
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| 29 | //
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| 30 | //
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| 31 |
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| 32 | #include "PrimaryGeneratorAction.hh"
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| 33 |
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| 34 | PrimaryGeneratorAction::PrimaryGeneratorAction() {
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| 35 |
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| 36 | G4int n_particle = 1;
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| 37 | particleGun = new G4ParticleGun(n_particle);
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| 38 |
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| 39 | G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
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| 40 | G4String particleName;
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| 41 | particleGun->SetParticleDefinition(particleTable->FindParticle(particleName="geantino"));
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| 42 | particleGun->SetParticleEnergy(1.0*GeV);
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| 43 | particleGun->SetParticlePosition(G4ThreeVector(-2.0*m, 0.1, 0.1));
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| 44 | }
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| 45 |
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| 46 | PrimaryGeneratorAction::~PrimaryGeneratorAction()
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| 47 | {
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| 48 | delete particleGun;
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| 49 | }
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| 50 |
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| 51 | void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
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| 52 | {
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| 53 | G4int i = anEvent->GetEventID() % 3;
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| 54 | G4ThreeVector v(1.0,0.0,0.0);
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| 55 | switch(i)
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| 56 | {
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| 57 | case 0:
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| 58 | break;
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| 59 | case 1:
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| 60 | v.setY(0.1);
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| 61 | break;
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| 62 | case 2:
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| 63 | v.setZ(0.1);
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| 64 | break;
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| 65 | }
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| 66 | particleGun->SetParticleMomentumDirection(v);
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| 67 | particleGun->GeneratePrimaryVertex(anEvent);
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| 68 | }
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| 69 |
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| 70 |
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