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9.6.p02
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geant4_9_6_p02
examples
extended
hadronic
Hadr02
src
PrimaryGeneratorAction.cc
Go to the documentation of this file.
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//
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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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// $Id$
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//
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//
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// EventActionMessenger
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//
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// Created: 31.01.03 V.Ivanchenko
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//
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// Modified:
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// 04.06.2006 Adoptation of hadr01 (V.Ivanchenko)
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// 16.11.2006 Add option allowing to have user defined beam position (VI)
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//
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//
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#include "PrimaryGeneratorAction.hh"
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#include "
G4ParticleGun.hh
"
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#include "HistoManager.hh"
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#include "
G4Event.hh
"
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#include "
G4SystemOfUnits.hh
"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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PrimaryGeneratorAction::PrimaryGeneratorAction
()
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{
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fParticleGun =
new
G4ParticleGun
(1);
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fParticleGun->
SetParticleMomentumDirection
(
G4ThreeVector
(0.,0.,1.));
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fHisto =
HistoManager::GetPointer
();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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PrimaryGeneratorAction::~PrimaryGeneratorAction
()
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{
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delete
fParticleGun;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void
PrimaryGeneratorAction::GeneratePrimaries
(
G4Event
* anEvent)
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{
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if
(0 == anEvent->
GetEventID
()) {
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if
(fHisto->
DefaultBeamPosition
()) {
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G4double
zVertex = -(5.0*
mm
+ fHisto->
Length
());
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fParticleGun->
SetParticlePosition
(
G4ThreeVector
(0.,0.,zVertex));
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}
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}
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fParticleGun->
GeneratePrimaryVertex
(anEvent);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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