G4HepMCInterface.h

Go to the documentation of this file.

//
// ********************************************************************
// * License and Disclaimer                                           *
// *                                                                  *
// * The  Geant4 software  is  copyright of the Copyright Holders  of *
// * the Geant4 Collaboration.  It is provided  under  the terms  and *
// * conditions of the Geant4 Software License,  included in the file *
// * LICENSE and available at  http://cern.ch/geant4/license .  These *
// * include a list of copyright holders.                             *
// *                                                                  *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work  make  any representation or  warranty, express or implied, *
// * regarding  this  software system or assume any liability for its *
// * use.  Please see the license in the file  LICENSE  and URL above *
// * for the full disclaimer and the limitation of liability.         *
// *                                                                  *
// * This  code  implementation is the result of  the  scientific and *
// * technical work of the GEANT4 collaboration.                      *
// * By using,  copying,  modifying or  distributing the software (or *
// * any work based  on the software)  you  agree  to acknowledge its *
// * use  in  resulting  scientific  publications,  and indicate your *
// * acceptance of all terms of the Geant4 Software license.          *
// ********************************************************************
//
// ====================================================================
//
//   G4HepMCInterface.hh
//   $Id: G4HepMCInterface.h,v 1.6 2022/04/02 02:46:19 fucd Exp $
//
//   A base class for primary generation via HepMC object.
//   This class is derived from G4VPrimaryGenerator.
//
// ====================================================================
#ifndef G4_HEPMC_INTERFACE_H
#define G4_HEPMC_INTERFACE_H
 
#include <vector>
#include "G4VPrimaryGenerator.hh"
#include <HepMC/GenEvent.h>
#include "G4Svc/G4HepMCParticle.h"
#include "RealizationSvc/RealizationSvc.h"
#include "RealizationSvc/IRealizationSvc.h"
 
class G4HepMCInterface : public G4VPrimaryGenerator
{
public:
  // static service method for conversion from HepMC::GenEvent to G4Event
  void HepMC2G4( HepMC::GenEvent* hepmcevt, G4Event* g4event);
  void Print(const HepMC::GenEvent* hepmcevt);
  G4int CheckType(const HepMC::GenEvent* hepmcevt);
  void Boost( HepMC::GenEvent* hepmcevt);
  void PrintHPlist();
 
  G4int GetLogLevel() {return m_logLevel;}
  void SetLogLevel(G4int level) {m_logLevel = level;}
 
  // static service method for checking a point is included in the (current) world
  // static G4bool CheckVertexInsideWorld(const G4ThreeVector& pos);
  // ------------> This method has been moved to the base class
 
protected:
  // Note that the life of HepMC event object must be handled by users.
  // In the default implementation, a current HepMC event will be
  // deleted at GeneratePrimaryVertex() in the next event.
  HepMC::GenEvent* hepmcEvent; // (care for single event case only)
 
  // Implement this method in his/her own concrete class.
  // An empty event will be created in default.
  virtual HepMC::GenEvent* GenerateHepMCEvent();
  G4int m_logLevel;
 
public: 
  G4HepMCInterface();
  virtual ~G4HepMCInterface();
 
  // set/get methods
  HepMC::GenEvent* GetHepMCGenEvent() const;
 
  // The default behavior is that a single HepMC event generated by
  // GenerateHepMCEvent() will be converted to G4Event through HepMC2G4().
  virtual void GeneratePrimaryVertex(G4Event* anEvent);
 
  std::vector<G4HepMCParticle*> HPlist;
 
private:
  RealizationSvc* m_RealizationSvc;
 
  // PDGCode from BesEvtGen or PartPropSvc or default
  int m_geantinoPdgId;
  int m_chargedgeantinoPdgId;
};
 
// ====================================================================
// inline functions
// ====================================================================
 
inline HepMC::GenEvent* G4HepMCInterface::GetHepMCGenEvent() const 
{ 
  return hepmcEvent; 
}
 
#endif