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25 //
26 /// \file eventgenerator/HepMC/HepMCEx02/HepMCEx02.cc
27 /// \brief Main program of the eventgenerator/HepMC/HepMCEx02 example
28 //
29 //
30 //
31 //
32 // --------------------------------------------------------------
33 // GEANT 4 - example of HepMC-interface
34 // --------------------------------------------------------------
35
36 #include "FTFP_BERT.hh"
37 #include "H02DetectorConstruction.hh"
38 #include "H02EventAction.hh"
39 #include "H02PrimaryGeneratorAction.hh"
40 #include "H02SteppingAction.hh"
41
42 #include "G4RunManagerFactory.hh"
43 #include "G4Types.hh"
44 #include "G4UIExecutive.hh"
45 #include "G4UImanager.hh"
46 #include "G4VisExecutive.hh"
47
48 int main(int argc, char** argv)
49 {
50 // Instantiate G4UIExecutive if there are no arguments (interactive mode)
51 G4UIExecutive* ui = nullptr;
52 if (argc == 1) {
53 ui = new G4UIExecutive(argc, argv);
54 }
55
56 auto* runManager = G4RunManagerFactory::CreateRunManager(G4RunManagerType::SerialOnly);
57
58 // User Initialization classes (mandatory)
59 //
60 G4VUserDetectorConstruction* detector = new H02DetectorConstruction;
61 runManager->SetUserInitialization(detector);
62 //
63 G4VUserPhysicsList* physics = new FTFP_BERT;
64 runManager->SetUserInitialization(physics);
65
66 runManager->Initialize();
67
68 // User Action classes
69 //
70 G4VUserPrimaryGeneratorAction* gen_action = new H02PrimaryGeneratorAction;
71 runManager->SetUserAction(gen_action);
72 //
73 G4UserEventAction* event_action = new H02EventAction;
74 runManager->SetUserAction(event_action);
75 //
76 G4UserSteppingAction* stepping_action = new H02SteppingAction;
77 runManager->SetUserAction(stepping_action);
78
79 G4VisManager* visManager = new G4VisExecutive;
80 visManager->Initialize();
81 G4cout << G4endl;
82
83 // get the pointer to the User Interface manager
84 G4UImanager* UImanager = G4UImanager::GetUIpointer();
85
86 if (!ui) { // batch mode
87 visManager->SetVerboseLevel("quiet");
88 G4String command = "/control/execute ";
89 G4String fileName = argv[1];
90 UImanager->ApplyCommand(command + fileName);
91 }
92 else { // interactive mode : define UI session
93 ui->SessionStart();
94 delete ui;
95 }
96
97 // Free the store: user actions, physics_list and detector_description are
98 // owned and deleted by the run manager, so they should not
99 // be deleted in the main() program !
100
101 delete visManager;
102 delete runManager;
103 }
104