B1/include/PrimaryGeneratorAction.hh

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
0004 // *                                                                  *
0005 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
0006 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
0007 // * conditions of the Geant4 Software License,  included in the file *
0008 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
0009 // * include a list of copyright holders.                             *
0010 // *                                                                  *
0011 // * Neither the authors of this software system, nor their employing *
0012 // * institutes,nor the agencies providing financial support for this *
0013 // * work  make  any representation or  warranty, express or implied, *
0014 // * regarding  this  software system or assume any liability for its *
0015 // * use.  Please see the license in the file  LICENSE  and URL above *
0016 // * for the full disclaimer and the limitation of liability.         *
0017 // *                                                                  *
0018 // * This  code  implementation is the result of  the  scientific and *
0019 // * technical work of the GEANT4 collaboration.                      *
0020 // * By using,  copying,  modifying or  distributing the software (or *
0021 // * any work based  on the software)  you  agree  to acknowledge its *
0022 // * use  in  resulting  scientific  publications,  and indicate your *
0023 // * acceptance of all terms of the Geant4 Software license.          *
0024 // ********************************************************************
0025 //
0026 /// \file PrimaryGeneratorAction.hh
0027 /// \brief Definition of the B1::PrimaryGeneratorAction class
0028
0029 #ifndef B1PrimaryGeneratorAction_h
0030 #define B1PrimaryGeneratorAction_h 1
0031
0032 #include "G4VUserPrimaryGeneratorAction.hh"
0033
0034 class G4ParticleGun;
0035 class G4Event;
0036 class G4Box;
0037
0038 namespace B1
0039 {
0040
0041 /// The primary generator action class with particle gun.
0042 ///
0043 /// The default kinematic is a 6 MeV gamma, randomly distribued
0044 /// in front of the phantom across 80% of the (X,Y) phantom size.
0045
0046 class PrimaryGeneratorAction : public G4VUserPrimaryGeneratorAction
0047 {
0048   public:
0049     PrimaryGeneratorAction();
0050     ~PrimaryGeneratorAction() override;
0051
0052     // method from the base class
0053     void GeneratePrimaries(G4Event*) override;
0054
0055     // method to access particle gun
0056     const G4ParticleGun* GetParticleGun() const { return fParticleGun; }
0057
0058   private:
0059     G4ParticleGun* fParticleGun = nullptr;  // pointer a to G4 gun class
0060     G4Box* fEnvelopeBox = nullptr;
0061 };
0062
0063 }  // namespace B1
0064
0065 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0066
0067 #endif