Import Geant4 5.0.0 source tree

2016-06-08 16:57:27 +02:00
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+//
+// ********************************************************************
+// * DISCLAIMER                                                       *
+// *                                                                  *
+// * The following disclaimer summarizes all the specific disclaimers *
+// * of contributors to this software. The specific disclaimers,which *
+// * govern, are listed with their locations in:                      *
+// *   http://cern.ch/geant4/license                                  *
+// *                                                                  *
+// * 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.                                                             *
+// *                                                                  *
+// * This  code  implementation is the  intellectual property  of the *
+// * GEANT4 collaboration.                                            *
+// * By copying,  distributing  or modifying the Program (or any work *
+// * based  on  the Program)  you indicate  your  acceptance of  this *
+// * statement, and all its terms.                                    *
+// ********************************************************************
+
+// ====================================================================
+//
+//   G4HepMCInterface.hh
+//   $Id: G4HepMCInterface.hh,v 1.1 2002/11/18 22:43:13 asaim 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 "G4VPrimaryGenerator.hh"
+#include "CLHEP/HepMC/GenEvent.h"
+
+class G4HepMCInterface : public G4VPrimaryGenerator {
+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)
+
+  // We  have to take care for the position of primaries because
+  // primary vertices outside the world voulme give rise to G4Execption.
+  // If the default implementation is not adequate, an alternative 
+  // can be implemented in your own class.
+  virtual G4bool CheckVertexInsideWorld(const G4ThreeVector& pos) const;
+
+  // service method for conversion from HepMC::GenEvent to G4Event
+  void HepMC2G4(const HepMC::GenEvent* hepmcevt, G4Event* g4event);
+
+  // Implement this method in his/her own concrete class.
+  // An empty event will be created in default.
+  virtual HepMC::GenEvent* GenerateHepMCEvent();
+
+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);
+};
+
+// ====================================================================
+// inline functions
+// ====================================================================
+
+inline HepMC::GenEvent* G4HepMCInterface::GetHepMCGenEvent() const 
+{ 
+  return hepmcEvent; 
+}
+
+#endif