include/DDG4/Geant4GDMLDetector.h

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 #ifndef DDG4_GEANT4GDMLDETECTOR_H
0015 #define DDG4_GEANT4GDMLDETECTOR_H
0016
0017 #include <G4VUserDetectorConstruction.hh>
0018 #include <string>
0019
0020 /// Namespace for the AIDA detector description toolkit
0021 namespace dd4hep {
0022
0023   /// Namespace for the Geant4 based simulation part of the AIDA detector description toolkit
0024   namespace sim {
0025
0026     /// Class to read Geant4 geometry from GDML file
0027     /**
0028      *  \author  M.Frank
0029      *  \version 1.0
0030      *  \ingroup DD4HEP_SIMULATION
0031      */
0032     class Geant4GDMLDetector : public G4VUserDetectorConstruction {
0033     public:
0034
0035       /// Constructor to open gdml file
0036       Geant4GDMLDetector(const std::string& gdmlFile);
0037       /// Default destructor
0038       virtual ~Geant4GDMLDetector() {
0039       }
0040       G4VPhysicalVolume* Construct();
0041     private:
0042       std::string m_fileName;
0043       G4VPhysicalVolume* m_world { nullptr };
0044     };
0045   }
0046 }
0047
0048 #endif