76 lines
2.8 KiB
C++
76 lines
2.8 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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// $Id: ExN01PrimaryGeneratorAction.cc,v 1.6 2006/06/29 17:47:23 gunter Exp $
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// GEANT4 tag $Name: geant4-08-02 $
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//
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#include "ExN01PrimaryGeneratorAction.hh"
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#include "G4Event.hh"
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#include "G4ParticleGun.hh"
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#include "G4ParticleTable.hh"
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#include "G4ParticleDefinition.hh"
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#include "globals.hh"
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ExN01PrimaryGeneratorAction::ExN01PrimaryGeneratorAction()
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{
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G4int n_particle = 1;
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particleGun = new G4ParticleGun(n_particle);
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G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
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G4String particleName;
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particleGun->SetParticleDefinition(particleTable->FindParticle(particleName="geantino"));
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particleGun->SetParticleEnergy(1.0*GeV);
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particleGun->SetParticlePosition(G4ThreeVector(-2.0*m, 0.0, 0.0));
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}
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ExN01PrimaryGeneratorAction::~ExN01PrimaryGeneratorAction()
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{
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delete particleGun;
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}
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void ExN01PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
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{
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G4int i = anEvent->GetEventID() % 3;
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G4ThreeVector v(1.0,0.0,0.0);
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switch(i)
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{
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case 0:
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break;
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case 1:
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v.setY(0.1);
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break;
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case 2:
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v.setZ(0.1);
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break;
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}
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particleGun->SetParticleMomentumDirection(v);
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particleGun->GeneratePrimaryVertex(anEvent);
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}
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