| Geant4 Cross Reference |
1 //
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25 //
26 //
27 /// \file movies.cc
28 /// \brief Main program of the Movies example
29
30 #include "FTFP_BERT.hh"
31 #include "MoviesActionInitialization.hh"
32 #include "MoviesDetectorConstruction.hh"
33
34 #include "G4RunManagerFactory.hh"
35 #include "G4UIExecutive.hh"
36 #include "G4UIcommand.hh"
37 #include "G4UImanager.hh"
38 #include "G4VisExecutive.hh"
39 #include "Randomize.hh"
40
41 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
42
43 namespace
44 {
45 void PrintUsage()
46 {
47 G4cerr << " Usage: " << G4endl;
48 G4cerr << " exampleMovies [-m macro ] [-u UIsession] [-t nThreads]" << G4endl;
49 G4cerr << " note: -t option is available only for multi-threaded mode." << G4endl;
50 }
51 } // namespace
52
53 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
54
55 int main(int argc, char** argv)
56 {
57 // Evaluate arguments
58 //
59 if (argc > 7) {
60 PrintUsage();
61 return 1;
62 }
63
64 G4String macro;
65 G4String session;
66 #ifdef G4MULTITHREADED
67 G4int nThreads = 0;
68 #endif
69 for (G4int i = 1; i < argc; i = i + 2) {
70 if (G4String(argv[i]) == "-m")
71 macro = argv[i + 1];
72 else if (G4String(argv[i]) == "-u")
73 session = argv[i + 1];
74 #ifdef G4MULTITHREADED
75 else if (G4String(argv[i]) == "-t") {
76 nThreads = G4UIcommand::ConvertToInt(argv[i + 1]);
77 }
78 #endif
79 else {
80 PrintUsage();
81 return 1;
82 }
83 }
84
85 // Detect interactive mode (if no macro provided) and define UI session
86 //
87 G4UIExecutive* ui = nullptr;
88 if (!macro.size()) {
89 ui = new G4UIExecutive(argc, argv, session);
90 }
91
92 // Optionally: choose a different Random engine...
93 //
94 // G4Random::setTheEngine(new CLHEP::MTwistEngine);
95
96 // Construct the default run manager
97 //
98 auto* runManager = G4RunManagerFactory::CreateRunManager(G4RunManagerType::Default);
99 #ifdef G4MULTITHREADED
100 if (nThreads > 0) {
101 runManager->SetNumberOfThreads(nThreads);
102 }
103 #endif
104
105 // Set mandatory initialization classes
106 //
107 auto detConstruction = new MoviesDetectorConstruction();
108 runManager->SetUserInitialization(detConstruction);
109
110 auto physicsList = new FTFP_BERT;
111 runManager->SetUserInitialization(physicsList);
112
113 auto actionInitialization = new MoviesActionInitialization;
114 runManager->SetUserInitialization(actionInitialization);
115
116 // Initialize visualization
117 //
118 auto visManager = new G4VisExecutive;
119 // G4VisExecutive can take a verbosity argument - see /vis/verbose guidance.
120 // G4VisManager* visManager = new G4VisExecutive("Quiet");
121 visManager->Initialize();
122
123 // Get the pointer to the User Interface manager
124 auto UImanager = G4UImanager::GetUIpointer();
125
126 // Process macro or start UI session
127 //
128 if (macro.size()) {
129 // batch mode
130 G4String command = "/control/execute ";
131 UImanager->ApplyCommand(command + macro);
132 }
133 else {
134 // interactive mode : define UI session
135 UImanager->ApplyCommand("/control/execute init_vis.mac");
136 if (ui->IsGUI()) {
137 UImanager->ApplyCommand("/control/execute gui.mac");
138 }
139 ui->SessionStart();
140 delete ui;
141 }
142
143 // Job termination
144 // Free the store: user actions, physics_list and detector_description are
145 // owned and deleted by the run manager, so they should not be deleted
146 // in the main() program !
147
148 delete visManager;
149 delete runManager;
150 }
151
152 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
153