| Geant4 Cross Reference |
1 //
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25 //
26 //
27 /// \file exampleB1.cc
28 /// \brief Main program of the B1 example
29
30 #include "ActionInitialization.hh"
31 #include "DetectorConstruction.hh"
32 #include "QBBC.hh"
33
34 #include "G4RunManagerFactory.hh"
35 #include "G4ScoringManager.hh"
36 #include "G4SteppingVerbose.hh"
37 #include "G4UIExecutive.hh"
38 #include "G4UImanager.hh"
39 #include "G4VisExecutive.hh"
40 #include "Randomize.hh"
41
42 using namespace VtkVis;
43
44 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
45
46 int main(int argc, char** argv)
47 {
48 // Detect interactive mode (if no arguments) and define UI session
49 //
50 G4UIExecutive* ui = nullptr;
51 if (argc == 1) {
52 ui = new G4UIExecutive(argc, argv);
53 }
54
55 // Optionally: choose a different Random engine...
56 // G4Random::setTheEngine(new CLHEP::MTwistEngine);
57
58 // use G4SteppingVerboseWithUnits
59 G4int precision = 4;
60 G4SteppingVerbose::UseBestUnit(precision);
61
62 // Construct the default run manager
63 //
64 auto* runManager = G4RunManagerFactory::CreateRunManager(G4RunManagerType::Default);
65 G4ScoringManager* scoringManager = G4ScoringManager::GetScoringManager();
66
67 // Set mandatory initialization classes
68 //
69 // Detector construction
70 runManager->SetUserInitialization(new DetectorConstruction());
71
72 // Physics list
73 G4VModularPhysicsList* physicsList = new QBBC;
74 physicsList->SetVerboseLevel(1);
75 runManager->SetUserInitialization(physicsList);
76
77 // User action initialization
78 runManager->SetUserInitialization(new ActionInitialization());
79
80 // Initialize visualization with the default graphics system
81 auto visManager = new G4VisExecutive(argc, argv);
82 // Constructors can also take optional arguments:
83 // - a graphics system of choice, eg. "OGL"
84 // - and a verbosity argument - see /vis/verbose guidance.
85 // auto visManager = new G4VisExecutive(argc, argv, "OGL", "Quiet");
86 // auto visManager = new G4VisExecutive("Quiet");
87 visManager->Initialize();
88
89 // Get the pointer to the User Interface manager
90 G4UImanager* UImanager = G4UImanager::GetUIpointer();
91
92 // Process macro or start UI session
93 //
94 if (!ui) {
95 // batch mode
96 G4String command = "/control/execute ";
97 G4String fileName = argv[1];
98 UImanager->ApplyCommand(command + fileName);
99 }
100 else {
101 // interactive mode
102 UImanager->ApplyCommand("/control/execute init_vis.mac");
103 ui->SessionStart();
104 delete ui;
105 }
106
107 // Job termination
108 // Free the store: user actions, physics_list and detector_description are
109 // owned and deleted by the run manager, so they should not be deleted
110 // in the main() program !
111
112 delete visManager;
113 delete runManager;
114 }
115
116 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
117