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1 //
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25 //
26 //
27 /// \file exampleB2a.cc
28 /// \brief Main program of the B2a example
29
30 #include "ActionInitialization.hh"
31 #include "DetectorConstruction.hh"
32 #include "FTFP_BERT.hh"
33
34 #include "G4RunManagerFactory.hh"
35 #include "G4StepLimiterPhysics.hh"
36 #include "G4SteppingVerbose.hh"
37 #include "G4UIExecutive.hh"
38 #include "G4UImanager.hh"
39 #include "G4VisExecutive.hh"
40 // #include "Randomize.hh"
41
42 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
43
44 int main(int argc, char** argv)
45 {
46 // Detect interactive mode (if no arguments) and define UI session
47 //
48 G4UIExecutive* ui = nullptr;
49 if (argc == 1) {
50 ui = new G4UIExecutive(argc, argv);
51 }
52
53 // Optionally: choose a different Random engine...
54 // G4Random::setTheEngine(new CLHEP::MTwistEngine);
55
56 // use G4SteppingVerboseWithUnits
57 G4int precision = 4;
58 G4SteppingVerbose::UseBestUnit(precision);
59
60 // Construct the default run manager
61 //
62 auto runManager = G4RunManagerFactory::CreateRunManager(G4RunManagerType::Default);
63
64 // Set mandatory initialization classes
65 //
66 runManager->SetUserInitialization(new B2a::DetectorConstruction());
67
68 auto physicsList = new FTFP_BERT;
69 physicsList->RegisterPhysics(new G4StepLimiterPhysics());
70 runManager->SetUserInitialization(physicsList);
71
72 // Set user action classes
73 runManager->SetUserInitialization(new B2::ActionInitialization());
74
75 // Initialize visualization with the default graphics system
76 auto visManager = new G4VisExecutive(argc, argv);
77 // Constructors can also take optional arguments:
78 // - a graphics system of choice, eg. "OGL"
79 // - and a verbosity argument - see /vis/verbose guidance.
80 // auto visManager = new G4VisExecutive(argc, argv, "OGL", "Quiet");
81 // auto visManager = new G4VisExecutive("Quiet");
82 visManager->Initialize();
83
84 // Get the pointer to the User Interface manager
85 auto UImanager = G4UImanager::GetUIpointer();
86
87 // Process macro or start UI session
88 //
89 if (!ui) {
90 // batch mode
91 G4String command = "/control/execute ";
92 G4String fileName = argv[1];
93 UImanager->ApplyCommand(command + fileName);
94 }
95 else {
96 // interactive mode
97 UImanager->ApplyCommand("/control/execute init_vis.mac");
98 if (ui->IsGUI()) {
99 UImanager->ApplyCommand("/control/execute gui.mac");
100 }
101 ui->SessionStart();
102 delete ui;
103 }
104
105 // Job termination
106 // Free the store: user actions, physics_list and detector_description are
107 // owned and deleted by the run manager, so they should not be deleted
108 // in the main() program !
109 //
110 delete visManager;
111 delete runManager;
112 }
113
114 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
115