HepMC/HepMCEx02/HepMCEx02.cc

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0025 //
0026 /// \file eventgenerator/HepMC/HepMCEx02/HepMCEx02.cc
0027 /// \brief Main program of the eventgenerator/HepMC/HepMCEx02 example
0028 //
0029 //
0030 //
0031 //
0032 // --------------------------------------------------------------
0033 //      GEANT 4 - example of HepMC-interface
0034 // --------------------------------------------------------------
0035
0036 #include "FTFP_BERT.hh"
0037 #include "H02DetectorConstruction.hh"
0038 #include "H02EventAction.hh"
0039 #include "H02PrimaryGeneratorAction.hh"
0040 #include "H02SteppingAction.hh"
0041
0042 #include "G4RunManagerFactory.hh"
0043 #include "G4Types.hh"
0044 #include "G4UIExecutive.hh"
0045 #include "G4UImanager.hh"
0046 #include "G4VisExecutive.hh"
0047
0048 int main(int argc, char** argv)
0049 {
0050   // Instantiate G4UIExecutive if there are no arguments (interactive mode)
0051   G4UIExecutive* ui = nullptr;
0052   if (argc == 1) {
0053     ui = new G4UIExecutive(argc, argv);
0054   }
0055
0056   auto* runManager = G4RunManagerFactory::CreateRunManager(G4RunManagerType::SerialOnly);
0057
0058   // User Initialization classes (mandatory)
0059   //
0060   G4VUserDetectorConstruction* detector = new H02DetectorConstruction;
0061   runManager->SetUserInitialization(detector);
0062   //
0063   G4VUserPhysicsList* physics = new FTFP_BERT;
0064   runManager->SetUserInitialization(physics);
0065
0066   runManager->Initialize();
0067
0068   // User Action classes
0069   //
0070   G4VUserPrimaryGeneratorAction* gen_action = new H02PrimaryGeneratorAction;
0071   runManager->SetUserAction(gen_action);
0072   //
0073   G4UserEventAction* event_action = new H02EventAction;
0074   runManager->SetUserAction(event_action);
0075   //
0076   G4UserSteppingAction* stepping_action = new H02SteppingAction;
0077   runManager->SetUserAction(stepping_action);
0078
0079   G4VisManager* visManager = new G4VisExecutive;
0080   visManager->Initialize();
0081   G4cout << G4endl;
0082
0083   // get the pointer to the User Interface manager
0084   G4UImanager* UImanager = G4UImanager::GetUIpointer();
0085
0086   if (!ui) {  // batch mode
0087     visManager->SetVerboseLevel("quiet");
0088     G4String command = "/control/execute ";
0089     G4String fileName = argv[1];
0090     UImanager->ApplyCommand(command + fileName);
0091   }
0092   else {  // interactive mode : define UI session
0093     ui->SessionStart();
0094     delete ui;
0095   }
0096
0097   // Free the store: user actions, physics_list and detector_description are
0098   //                 owned and deleted by the run manager, so they should not
0099   //                 be deleted in the main() program !
0100
0101   delete visManager;
0102   delete runManager;
0103 }