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File indexing completed on 2025-01-18 09:55:23
0001 //========================================================================== 0002 // AIDA Detector description implementation 0003 //-------------------------------------------------------------------------- 0004 // Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN) 0005 // All rights reserved. 0006 // 0007 // For the licensing terms see $DD4hepINSTALL/LICENSE. 0008 // For the list of contributors see $DD4hepINSTALL/doc/CREDITS. 0009 // 0010 // Author : M.Frank 0011 // 0012 //========================================================================== 0013 0014 /** \addtogroup Geant4GeneratorAction 0015 * 0016 @{ 0017 \package Geant4GeneratorWrapper 0018 * \brief Wrap native G4 particle ganerators like the generic particle source etc. 0019 * 0020 * 0021 @} 0022 */ 0023 0024 #ifndef DDG4_GEANT4GENERATORWRAPPER_H 0025 #define DDG4_GEANT4GENERATORWRAPPER_H 0026 0027 // Framework include files 0028 #include <DDG4/Geant4GeneratorAction.h> 0029 0030 // Forward declarations 0031 class G4VPrimaryGenerator; 0032 0033 0034 /// Namespace for the AIDA detector description toolkit 0035 namespace dd4hep { 0036 0037 /// Namespace for the Geant4 based simulation part of the AIDA detector description toolkit 0038 namespace sim { 0039 0040 /// Geant4Action to merge several independent interaction to one 0041 /** Wrap native G4 particle ganerators like the generic particle source etc. 0042 * 0043 * \author M.Frank 0044 * \version 1.0 0045 * \ingroup DD4HEP_SIMULATION 0046 */ 0047 class Geant4GeneratorWrapper : public Geant4GeneratorAction { 0048 protected: 0049 /// Property: Type name of the implementation instance. name: "Uses" 0050 std::string m_generatorType; 0051 /// Property: interaction identifier mask. name: "Mask" 0052 int m_mask { 1 }; 0053 0054 /// Reference to the implementation instance 0055 G4VPrimaryGenerator* m_generator { nullptr }; 0056 0057 public: 0058 /// Standard constructor 0059 Geant4GeneratorWrapper(Geant4Context* context, const std::string& nam); 0060 /// Default destructor 0061 virtual ~Geant4GeneratorWrapper(); 0062 /// Access the G4VPrimaryGenerator instance 0063 G4VPrimaryGenerator* generator(); 0064 /// Event generation action callback 0065 virtual void operator()(G4Event* event); 0066 }; 0067 } // End namespace sim 0068 } // End namespace dd4hep 0069 0070 #endif // DDG4_GEANT4GENERATORWRAPPER_H
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