Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/examples/extended/runAndEvent/RE02/src/RE02PrimaryGeneratorAction.cc

Version: [ ReleaseNotes ] [ 1.0 ] [ 1.1 ] [ 2.0 ] [ 3.0 ] [ 3.1 ] [ 3.2 ] [ 4.0 ] [ 4.0.p1 ] [ 4.0.p2 ] [ 4.1 ] [ 4.1.p1 ] [ 5.0 ] [ 5.0.p1 ] [ 5.1 ] [ 5.1.p1 ] [ 5.2 ] [ 5.2.p1 ] [ 5.2.p2 ] [ 6.0 ] [ 6.0.p1 ] [ 6.1 ] [ 6.2 ] [ 6.2.p1 ] [ 6.2.p2 ] [ 7.0 ] [ 7.0.p1 ] [ 7.1 ] [ 7.1.p1 ] [ 8.0 ] [ 8.0.p1 ] [ 8.1 ] [ 8.1.p1 ] [ 8.1.p2 ] [ 8.2 ] [ 8.2.p1 ] [ 8.3 ] [ 8.3.p1 ] [ 8.3.p2 ] [ 9.0 ] [ 9.0.p1 ] [ 9.0.p2 ] [ 9.1 ] [ 9.1.p1 ] [ 9.1.p2 ] [ 9.1.p3 ] [ 9.2 ] [ 9.2.p1 ] [ 9.2.p2 ] [ 9.2.p3 ] [ 9.2.p4 ] [ 9.3 ] [ 9.3.p1 ] [ 9.3.p2 ] [ 9.4 ] [ 9.4.p1 ] [ 9.4.p2 ] [ 9.4.p3 ] [ 9.4.p4 ] [ 9.5 ] [ 9.5.p1 ] [ 9.5.p2 ] [ 9.6 ] [ 9.6.p1 ] [ 9.6.p2 ] [ 9.6.p3 ] [ 9.6.p4 ] [ 10.0 ] [ 10.0.p1 ] [ 10.0.p2 ] [ 10.0.p3 ] [ 10.0.p4 ] [ 10.1 ] [ 10.1.p1 ] [ 10.1.p2 ] [ 10.1.p3 ] [ 10.2 ] [ 10.2.p1 ] [ 10.2.p2 ] [ 10.2.p3 ] [ 10.3 ] [ 10.3.p1 ] [ 10.3.p2 ] [ 10.3.p3 ] [ 10.4 ] [ 10.4.p1 ] [ 10.4.p2 ] [ 10.4.p3 ] [ 10.5 ] [ 10.5.p1 ] [ 10.6 ] [ 10.6.p1 ] [ 10.6.p2 ] [ 10.6.p3 ] [ 10.7 ] [ 10.7.p1 ] [ 10.7.p2 ] [ 10.7.p3 ] [ 10.7.p4 ] [ 11.0 ] [ 11.0.p1 ] [ 11.0.p2 ] [ 11.0.p3, ] [ 11.0.p4 ] [ 11.1 ] [ 11.1.1 ] [ 11.1.2 ] [ 11.1.3 ] [ 11.2 ] [ 11.2.1 ] [ 11.2.2 ] [ 11.3.0 ] 

  1 //
  2 // ********************************************************************
  3 // * License and Disclaimer                                           *
  4 // *                                                                  *
  5 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
  6 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
  7 // * conditions of the Geant4 Software License,  included in the file *
  8 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
  9 // * include a list of copyright holders.                             *
 10 // *                                                                  *
 11 // * Neither the authors of this software system, nor their employing *
 12 // * institutes,nor the agencies providing financial support for this *
 13 // * work  make  any representation or  warranty, express or implied, *
 14 // * regarding  this  software system or assume any liability for its *
 15 // * use.  Please see the license in the file  LICENSE  and URL above *
 16 // * for the full disclaimer and the limitation of liability.         *
 17 // *                                                                  *
 18 // * This  code  implementation is the result of  the  scientific and *
 19 // * technical work of the GEANT4 collaboration.                      *
 20 // * By using,  copying,  modifying or  distributing the software (or *
 21 // * any work based  on the software)  you  agree  to acknowledge its *
 22 // * use  in  resulting  scientific  publications,  and indicate your *
 23 // * acceptance of all terms of the Geant4 Software license.          *
 24 // ********************************************************************
 25 //
 26 /// \file runAndEvent/RE02/src/RE02PrimaryGeneratorAction.cc
 27 /// \brief Implementation of the RE02PrimaryGeneratorAction class
 28 //
 29 //
 30 //
 31 
 32 #include "RE02PrimaryGeneratorAction.hh"
 33 
 34 #include "G4Event.hh"
 35 #include "G4ParticleDefinition.hh"
 36 #include "G4ParticleGun.hh"
 37 #include "G4ParticleTable.hh"
 38 #include "G4SystemOfUnits.hh"
 39 #include "Randomize.hh"
 40 #include "globals.hh"
 41 
 42 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 43 //
 44 RE02PrimaryGeneratorAction::RE02PrimaryGeneratorAction()
 45   : G4VUserPrimaryGeneratorAction(), fParticleGun(0)
 46 {
 47   G4int n_particle = 1;
 48   fParticleGun = new G4ParticleGun(n_particle);
 49 
 50   // default particle
 51   G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
 52   G4ParticleDefinition* particle = particleTable->FindParticle("proton");
 53   fParticleGun->SetParticleDefinition(particle);
 54   fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0.0, 0.0, 1.));
 55   fParticleGun->SetParticleEnergy(150.0 * MeV);
 56   //
 57   // default beam position
 58   G4double position = -200. / 2. * cm;
 59   //
 60   // Initial beam spot size in sigma.; This is not a part of ParticleGun.
 61   fSigmaPosition = 10. * mm;
 62 
 63   //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 64   //
 65   fParticleGun->SetParticlePosition(G4ThreeVector(0. * cm, 0. * cm, position));
 66 }
 67 
 68 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 69 //
 70 RE02PrimaryGeneratorAction::~RE02PrimaryGeneratorAction()
 71 {
 72   delete fParticleGun;
 73 }
 74 
 75 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 76 //
 77 void RE02PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
 78 {
 79   G4ThreeVector position = fParticleGun->GetParticlePosition();
 80   G4double dx = (G4UniformRand() - 0.5) * fSigmaPosition;
 81   G4double dy = (G4UniformRand() - 0.5) * fSigmaPosition;
 82   position.setX(dx);
 83   position.setY(dy);
 84   fParticleGun->SetParticlePosition(position);
 85   fParticleGun->GeneratePrimaryVertex(anEvent);
 86 }
 87