HepMCEx03.cc

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/// \file eventgenerator/HepMC/HepMCEx03/HepMCEx03.cc
/// \brief Main program of the eventgenerator/HepMC/HepMCEx03 example
//
// --------------------------------------------------------------
//      GEANT 4 - example of HepMC-interface
// --------------------------------------------------------------

#include "G4RunManager.hh"
#include "G4UImanager.hh"

#include "H03DetectorConstruction.hh"
#include "FTFP_BERT.hh"
#include "H03PrimaryGeneratorAction.hh"
#include "H03EventAction.hh"
#include "H03SteppingAction.hh"

#ifdef G4VIS_USE
#include "G4VisExecutive.hh"
#endif

#ifdef G4UI_USE
#include "G4UIExecutive.hh"
#endif

int main(int argc, char** argv)
{
  G4RunManager* runManager= new G4RunManager;

  // User Initialization classes (mandatory)
  //
  G4VUserDetectorConstruction* detector = new H03DetectorConstruction;
  runManager-> SetUserInitialization(detector);
  //
  G4VUserPhysicsList* physics = new FTFP_BERT;
  runManager-> SetUserInitialization(physics);

  runManager-> Initialize();

  // User Action classes
  //
  G4VUserPrimaryGeneratorAction* gen_action = new H03PrimaryGeneratorAction;
  runManager-> SetUserAction(gen_action);
  //
  G4UserEventAction* event_action = new H03EventAction;
  runManager-> SetUserAction(event_action);
  //
  G4UserSteppingAction* stepping_action = new H03SteppingAction;
  runManager-> SetUserAction(stepping_action);

#ifdef G4VIS_USE
  // Initialize visualization package
  //
  G4VisManager* visManager= new G4VisExecutive;
  visManager-> Initialize();
  G4cout << G4endl;
#endif

 //get the pointer to the User Interface manager   
  G4UImanager* UImanager = G4UImanager::GetUIpointer();  

  if (argc!=1) { // batch mode
#ifdef G4VIS_USE
    visManager-> SetVerboseLevel("quiet");
#endif
    G4String command = "/control/execute ";
    G4String fileName = argv[1];
    UImanager-> ApplyCommand(command+fileName);    
  } else {  // interactive mode : define UI session
#ifdef G4UI_USE
    G4UIExecutive* ui = new G4UIExecutive(argc, argv);
    ui-> SessionStart();
    delete ui;
#endif
  }

  // Free the store: user actions, physics_list and detector_description are
  //                 owned and deleted by the run manager, so they should not
  //                 be deleted in the main() program !

#ifdef G4VIS_USE
  delete visManager;
#endif

  delete runManager;

  return 0;
}