[807] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | // ==================================================================== |
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| 27 | // |
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| 28 | // HepMCG4Interface.hh |
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| 29 | // $Id: HepMCG4Interface.hh,v 1.4 2006/06/29 17:10:12 gunter Exp $ |
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| 30 | // |
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| 31 | // A base class for primary generation via HepMC object. |
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| 32 | // This class is derived from G4VPrimaryGenerator. |
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| 33 | // |
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| 34 | // ==================================================================== |
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| 35 | #ifndef HEPMC_G4_INTERFACE_H |
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| 36 | #define HEPMC_G4_INTERFACE_H |
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| 37 | |
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| 38 | #include "G4VPrimaryGenerator.hh" |
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| 39 | #include "HepMC/GenEvent.h" |
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| 40 | |
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| 41 | class HepMCG4Interface : public G4VPrimaryGenerator { |
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| 42 | protected: |
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| 43 | // Note that the life of HepMC event object must be handled by users. |
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| 44 | // In the default implementation, a current HepMC event will be |
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| 45 | // deleted at GeneratePrimaryVertex() in the next event. |
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| 46 | HepMC::GenEvent* hepmcEvent; // (care for single event case only) |
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| 47 | |
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| 48 | // We have to take care for the position of primaries because |
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| 49 | // primary vertices outside the world voulme give rise to G4Execption. |
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| 50 | // If the default implementation is not adequate, an alternative |
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| 51 | // can be implemented in your own class. |
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| 52 | virtual G4bool CheckVertexInsideWorld(const G4ThreeVector& pos) const; |
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| 53 | |
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| 54 | // service method for conversion from HepMC::GenEvent to G4Event |
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| 55 | void HepMC2G4(const HepMC::GenEvent* hepmcevt, G4Event* g4event); |
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| 56 | |
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| 57 | // Implement this method in his/her own concrete class. |
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| 58 | // An empty event will be created in default. |
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| 59 | virtual HepMC::GenEvent* GenerateHepMCEvent(); |
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| 60 | |
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| 61 | public: |
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| 62 | HepMCG4Interface(); |
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| 63 | virtual ~HepMCG4Interface(); |
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| 64 | |
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| 65 | // set/get methods |
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| 66 | HepMC::GenEvent* GetHepMCGenEvent() const; |
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| 67 | |
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| 68 | // The default behavior is that a single HepMC event generated by |
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| 69 | // GenerateHepMCEvent() will be converted to G4Event through HepMC2G4(). |
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| 70 | virtual void GeneratePrimaryVertex(G4Event* anEvent); |
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| 71 | }; |
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| 72 | |
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| 73 | // ==================================================================== |
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| 74 | // inline functions |
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| 75 | // ==================================================================== |
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| 76 | |
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| 77 | inline HepMC::GenEvent* HepMCG4Interface::GetHepMCGenEvent() const |
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| 78 | { |
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| 79 | return hepmcEvent; |
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| 80 | } |
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| 81 | |
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| 82 | #endif |
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