Gabriele Cosmo
77 lines
3.1 KiB
C++
77 lines
3.1 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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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. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: ExN02PrimaryGeneratorAction.cc,v 1.1 2002/03/05 15:22:01 gcosmo Exp $
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// GEANT4 tag $Name: geant4-04-01 $
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//
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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#include "ExN02PrimaryGeneratorAction.hh"
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#include "ExN02DetectorConstruction.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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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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ExN02PrimaryGeneratorAction::ExN02PrimaryGeneratorAction(
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ExN02DetectorConstruction* myDC)
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:myDetector(myDC)
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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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// default particle
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G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
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G4ParticleDefinition* particle = particleTable->FindParticle("proton");
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particleGun->SetParticleDefinition(particle);
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particleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.));
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particleGun->SetParticleEnergy(3.0*GeV);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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ExN02PrimaryGeneratorAction::~ExN02PrimaryGeneratorAction()
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{
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delete particleGun;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void ExN02PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
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{
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G4double position = -0.5*(myDetector->GetWorldFullLength());
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particleGun->SetParticlePosition(G4ThreeVector(0.*cm,0.*cm,position));
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particleGun->GeneratePrimaryVertex(anEvent);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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