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1 //
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24 // ********************************************************************
25 //
26 //
27 /// \file exampleB4b.cc
28 /// \brief Main program of the B4b example
29
30 #include "ActionInitialization.hh"
31 #include "DetectorConstruction.hh"
32 #include "FTFP_BERT.hh"
33
34 #include "G4RunManagerFactory.hh"
35 #include "G4SteppingVerbose.hh"
36 #include "G4UIExecutive.hh"
37 #include "G4UIcommand.hh"
38 #include "G4UImanager.hh"
39 #include "G4VisExecutive.hh"
40 // #include "Randomize.hh"
41
42 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
43
44 namespace
45 {
46 void PrintUsage()
47 {
48 G4cerr << " Usage: " << G4endl;
49 G4cerr << " exampleB4b [-m macro ] [-u UIsession] [-t nThreads] [-vDefault]" << G4endl;
50 G4cerr << " note: -t option is available only for multi-threaded mode." << G4endl;
51 }
52 } // namespace
53
54 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
55
56 int main(int argc, char** argv)
57 {
58 // Evaluate arguments
59 //
60 if (argc > 7) {
61 PrintUsage();
62 return 1;
63 }
64
65 G4String macro;
66 G4String session;
67 G4bool verboseBestUnits = true;
68 #ifdef G4MULTITHREADED
69 G4int nThreads = 0;
70 #endif
71 for (G4int i = 1; i < argc; i = i + 2) {
72 if (G4String(argv[i]) == "-m")
73 macro = argv[i + 1];
74 else if (G4String(argv[i]) == "-u")
75 session = argv[i + 1];
76 #ifdef G4MULTITHREADED
77 else if (G4String(argv[i]) == "-t") {
78 nThreads = G4UIcommand::ConvertToInt(argv[i + 1]);
79 }
80 #endif
81 else if (G4String(argv[i]) == "-vDefault") {
82 verboseBestUnits = false;
83 --i; // this option is not followed with a parameter
84 }
85 else {
86 PrintUsage();
87 return 1;
88 }
89 }
90
91 // Detect interactive mode (if no macro provided) and define UI session
92 //
93 G4UIExecutive* ui = nullptr;
94 if (!macro.size()) {
95 ui = new G4UIExecutive(argc, argv, session);
96 }
97
98 // Optionally: choose a different Random engine...
99 // G4Random::setTheEngine(new CLHEP::MTwistEngine);
100
101 // Use G4SteppingVerboseWithUnits
102 if (verboseBestUnits) {
103 G4int precision = 8;
104 G4SteppingVerbose::UseBestUnit(precision);
105 }
106
107 // Construct the default run manager
108 //
109 auto runManager = G4RunManagerFactory::CreateRunManager(G4RunManagerType::Default);
110 #ifdef G4MULTITHREADED
111 if (nThreads > 0) {
112 runManager->SetNumberOfThreads(nThreads);
113 }
114 #endif
115
116 // Set mandatory initialization classes
117 //
118 auto detConstruction = new B4::DetectorConstruction();
119 runManager->SetUserInitialization(detConstruction);
120
121 auto physicsList = new FTFP_BERT;
122 runManager->SetUserInitialization(physicsList);
123
124 auto actionInitialization = new B4b::ActionInitialization(detConstruction);
125 runManager->SetUserInitialization(actionInitialization);
126
127 // Initialize visualization
128 auto visManager = new G4VisExecutive;
129 // G4VisExecutive can take a verbosity argument - see /vis/verbose guidance.
130 // auto visManager = new G4VisExecutive("Quiet");
131 visManager->Initialize();
132
133 // Get the pointer to the User Interface manager
134 auto UImanager = G4UImanager::GetUIpointer();
135
136 // Process macro or start UI session
137 //
138 if (macro.size()) {
139 // batch mode
140 G4String command = "/control/execute ";
141 UImanager->ApplyCommand(command + macro);
142 }
143 else {
144 // interactive mode : define UI session
145 UImanager->ApplyCommand("/control/execute init_vis.mac");
146 if (ui->IsGUI()) {
147 UImanager->ApplyCommand("/control/execute gui.mac");
148 }
149 ui->SessionStart();
150 delete ui;
151 }
152
153 // Job termination
154 // Free the store: user actions, physics_list and detector_description are
155 // owned and deleted by the run manager, so they should not be deleted
156 // in the main() program !
157
158 delete visManager;
159 delete runManager;
160 }
161
162 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
163