HepMC/HepMCEx02/HepMCEx02.cc

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0025 //
0026 /// \file HepMCEx02.cc
0027 /// \brief Main program of the HepMC/HepMCEx02 example
0028
0029 // --------------------------------------------------------------
0030 //      GEANT 4 - example of HepMC-interface
0031 // --------------------------------------------------------------
0032
0033 #include "FTFP_BERT.hh"
0034 #include "H02DetectorConstruction.hh"
0035 #include "H02EventAction.hh"
0036 #include "H02PrimaryGeneratorAction.hh"
0037 #include "H02SteppingAction.hh"
0038
0039 #include "G4RunManagerFactory.hh"
0040 #include "G4Types.hh"
0041 #include "G4UIExecutive.hh"
0042 #include "G4UImanager.hh"
0043 #include "G4VisExecutive.hh"
0044
0045 int main(int argc, char** argv)
0046 {
0047   // Instantiate G4UIExecutive if there are no arguments (interactive mode)
0048   G4UIExecutive* ui = nullptr;
0049   if (argc == 1) {
0050     ui = new G4UIExecutive(argc, argv);
0051   }
0052
0053   auto* runManager = G4RunManagerFactory::CreateRunManager(G4RunManagerType::SerialOnly);
0054
0055   // User Initialization classes (mandatory)
0056   //
0057   G4VUserDetectorConstruction* detector = new H02DetectorConstruction;
0058   runManager->SetUserInitialization(detector);
0059   //
0060   G4VUserPhysicsList* physics = new FTFP_BERT;
0061   runManager->SetUserInitialization(physics);
0062
0063   runManager->Initialize();
0064
0065   // User Action classes
0066   //
0067   G4VUserPrimaryGeneratorAction* gen_action = new H02PrimaryGeneratorAction;
0068   runManager->SetUserAction(gen_action);
0069   //
0070   G4UserEventAction* event_action = new H02EventAction;
0071   runManager->SetUserAction(event_action);
0072   //
0073   G4UserSteppingAction* stepping_action = new H02SteppingAction;
0074   runManager->SetUserAction(stepping_action);
0075
0076   G4VisManager* visManager = new G4VisExecutive;
0077   visManager->Initialize();
0078   G4cout << G4endl;
0079
0080   // get the pointer to the User Interface manager
0081   G4UImanager* UImanager = G4UImanager::GetUIpointer();
0082
0083   if (!ui) {  // batch mode
0084     visManager->SetVerboseLevel("quiet");
0085     G4String command = "/control/execute ";
0086     G4String fileName = argv[1];
0087     UImanager->ApplyCommand(command + fileName);
0088   }
0089   else {  // interactive mode : define UI session
0090     ui->SessionStart();
0091     delete ui;
0092   }
0093
0094   // Free the store: user actions, physics_list and detector_description are
0095   //                 owned and deleted by the run manager, so they should not
0096   //                 be deleted in the main() program !
0097
0098   delete visManager;
0099   delete runManager;
0100 }