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25 //
26 //
27 /// \file field/field04/field04.cc
28 /// \brief Main program of the field/field04 example
29 //
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32
33 #ifndef WIN32
34 # include <unistd.h>
35 #endif
36
37 #include "G4Types.hh"
38
39 #include "G4RunManagerFactory.hh"
40 #include "F04SteppingVerbose.hh"
41
42 #include "F04ActionInitialization.hh"
43 #include "F04DetectorConstruction.hh"
44 #include "F04PhysicsList.hh"
45
46 #include "G4UIExecutive.hh"
47 #include "G4UImanager.hh"
48 #include "G4VisExecutive.hh"
49 #include "Randomize.hh"
50
51 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
52
53 namespace
54 {
55 void PrintUsage()
56 {
57 G4cerr << " Usage: " << G4endl;
58 G4cerr << " field04 [-m macro ] [-p physicsList] [-r randomSeed] [-s preinit|idle]" << G4endl;
59 }
60 } // namespace
61
62 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
63
64 int main(int argc, char** argv)
65 {
66 // Evaluate arguments
67 // argc holds the number of arguments (including the name) on the command line
68 // -> it is ONE when only the name is given !!!
69 // argv[0] is always the name of the program
70 // argv[1] points to the first argument, and so on
71 //
72 if (argc > 7) {
73 PrintUsage();
74 return 1;
75 }
76
77 G4String macro;
78 G4String physicsList = "QGSP_BERT";
79 G4int randomSeed = 1234;
80 G4String startPhase = "idle";
81 for (G4int i = 1; i < argc; i = i + 2) {
82 if (G4String(argv[i]) == "-m")
83 macro = argv[i + 1];
84 else if (G4String(argv[i]) == "-r")
85 randomSeed = atoi(argv[i + 1]);
86 else if (G4String(argv[i]) == "-p")
87 physicsList = argv[i + 1];
88 else if (G4String(argv[i]) == "-s")
89 startPhase = argv[i + 1];
90 else {
91 PrintUsage();
92 return 1;
93 }
94 }
95
96 // Instantiate G4UIExecutive if there are no arguments (interactive mode)
97 //
98 G4UIExecutive* ui = nullptr;
99 if (!macro.size()) {
100 ui = new G4UIExecutive(argc, argv);
101 }
102
103 // Setting the application-specific SteppingVerbose
104 //
105 auto verbosity = new F04SteppingVerbose;
106
107 // Construct the default run manager
108 //
109 auto runManager = G4RunManagerFactory::CreateRunManager();
110
111 G4Random::setTheSeed(randomSeed);
112
113 // Set mandatory initialization classes
114 //
115 // Detector construction
116 auto detector = new F04DetectorConstruction();
117 runManager->SetUserInitialization(detector);
118 // Physics list
119 runManager->SetUserInitialization(new F04PhysicsList(physicsList));
120 // User action initialization
121 runManager->SetUserInitialization(new F04ActionInitialization(detector));
122
123 // Initialize G4 kernel
124 //
125 // runManager->Initialize();
126
127 // Initialize visualization
128 //
129 G4VisManager* visManager = new G4VisExecutive;
130 // G4VisExecutive can take a verbosity argument - see /vis/verbose guidance.
131 // G4VisManager* visManager = new G4VisExecutive("Quiet");
132 visManager->Initialize();
133
134 // Get the pointer to the User Interface manager
135 //
136 G4UImanager* UImanager = G4UImanager::GetUIpointer();
137
138 // Process macro or start UI session
139 //
140 if (macro.size()) {
141 // batch mode
142 G4String command = "/control/execute ";
143 UImanager->ApplyCommand(command + macro);
144 }
145 else {
146 // interactive mode : define UI session
147 if (startPhase == "preinit") {
148 // start in PreInit> phase if requested
149 G4cout << "At the prompt, issue commands to set up detector & field, then:" << G4endl;
150 G4cout << "/run/initialize" << G4endl;
151 G4cout << "Then if you want a viewer:" << G4endl;
152 G4cout << "/control/execute vis.mac" << G4endl;
153 G4cout << "Then: " << G4endl;
154 G4cout << "/run/beamOn … etc." << G4endl;
155 }
156 else {
157 // perform initialization and draw geometry
158 UImanager->ApplyCommand("/control/execute init_vis.mac");
159 }
160 if (ui->IsGUI()) {
161 UImanager->ApplyCommand("/control/execute gui.mac");
162 }
163 ui->SessionStart();
164 delete ui;
165 }
166
167 // Job termination
168 // Free the store: user actions, physics_list and detector_description are
169 // owned and deleted by the run manager, so they should not
170 // be deleted in the main() program !
171
172 delete verbosity;
173 delete visManager;
174 delete runManager;
175
176 return 0;
177 }
178
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180