HepMCEx02.cc

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/// \file eventgenerator/HepMC/HepMCEx02/HepMCEx02.cc
/// \brief Main program of the eventgenerator/HepMC/HepMCEx02 example
//
//
//
//
// --------------------------------------------------------------
//      GEANT 4 - example of HepMC-interface
// --------------------------------------------------------------
 
#include "G4Types.hh"
 
#include "G4RunManagerFactory.hh"
#include "G4UImanager.hh"
 
#include "H02DetectorConstruction.hh"
#include "FTFP_BERT.hh"
#include "H02PrimaryGeneratorAction.hh"
#include "H02EventAction.hh"
#include "H02SteppingAction.hh"
 
#include "G4VisExecutive.hh"
#include "G4UIExecutive.hh"
 
int main(int argc, char** argv)
{
  // Instantiate G4UIExecutive if there are no arguments (interactive mode)
  G4UIExecutive* ui = nullptr;
  if ( argc == 1 ) {
    ui = new G4UIExecutive(argc, argv);
  }
 
  auto* runManager= G4RunManagerFactory::CreateRunManager(G4RunManagerType::SerialOnly);
 
  // User Initialization classes (mandatory)
  //
  G4VUserDetectorConstruction* detector = new H02DetectorConstruction;
  runManager-> SetUserInitialization(detector);
  //
  G4VUserPhysicsList* physics = new FTFP_BERT;
  runManager-> SetUserInitialization(physics);
 
  runManager-> Initialize();
 
  // User Action classes
  //
  G4VUserPrimaryGeneratorAction* gen_action = new H02PrimaryGeneratorAction;
  runManager-> SetUserAction(gen_action);
  //
  G4UserEventAction* event_action = new H02EventAction;
  runManager-> SetUserAction(event_action);
  //
  G4UserSteppingAction* stepping_action = new H02SteppingAction;
  runManager-> SetUserAction(stepping_action);
 
  G4VisManager* visManager= new G4VisExecutive;
  visManager-> Initialize();
  G4cout << G4endl;
 
 //get the pointer to the User Interface manager
  G4UImanager* UImanager = G4UImanager::GetUIpointer();
 
  if (!ui) { // batch mode
    visManager-> SetVerboseLevel("quiet");
    G4String command = "/control/execute ";
    G4String fileName = argv[1];
    UImanager-> ApplyCommand(command+fileName);
  } else {  // interactive mode : define UI session
    ui-> SessionStart();
    delete ui;
  }
 
  // 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 !
 
  delete visManager;
  delete runManager;
}