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25 //
26 //
27 /// \file ch2.cc
28 /// \brief Main program of the ch2 example
29 //
30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31
32 #include "DetectorConstruction.hh"
33 #include "ActionInitialization.hh"
34
35 #include "G4RunManagerFactory.hh"
36 #include "G4SteppingVerbose.hh"
37 #include "G4UImanager.hh"
38 #include "FTFP_BERT.hh"
39 #include "G4FastSimulationPhysics.hh"
40
41 #include "G4VisExecutive.hh"
42 #include "G4UIExecutive.hh"
43
44 #include "Randomize.hh"
45 #include "G4Timer.hh"
46
47 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
48
49 int main(int argc,char** argv)
50 {
51 // Get current time
52 G4Timer* theTimer = new G4Timer();
53 theTimer->Start();
54
55 // Choose the Random engine
56 G4Random::setTheEngine(new CLHEP::RanecuEngine);
57 CLHEP::HepRandom::setTheSeed(0.);
58
59 //use G4SteppingVerboseWithUnits
60 G4int precision = 4;
61 G4SteppingVerbose::UseBestUnit(precision);
62
63 // Detect interactive mode (if no arguments) and define UI session
64 G4UIExecutive* ui = nullptr;
65 if ( argc == 1 ) { ui = new G4UIExecutive(argc, argv); }
66
67 // Construct the default run manager
68 auto* runManager =
69 G4RunManagerFactory::CreateRunManager(G4RunManagerType::Default);
70
71 // Set mandatory initialization classes
72 //
73 // Detector construction
74 runManager->SetUserInitialization(new DetectorConstruction());
75
76 // Physics list
77 G4VModularPhysicsList* physicsList = new FTFP_BERT;
78
79 // -- Create helper tool, used to activate the fast simulation:
80 G4FastSimulationPhysics* fastSimulationPhysics = new G4FastSimulationPhysics();
81 fastSimulationPhysics->BeVerbose();
82 // -- activation of fast simulation for particles having fast simulation models
83 // -- attached in the mass geometry:
84 // you may add any charged particles here
85 // CAUTION: for the particles other then e+- you would likely want
86 // to switch off the radiation
87 fastSimulationPhysics->ActivateFastSimulation("e-");
88 fastSimulationPhysics->ActivateFastSimulation("e+");
89 fastSimulationPhysics->ActivateFastSimulation("proton");
90 fastSimulationPhysics->ActivateFastSimulation("anti_proton");
91 fastSimulationPhysics->ActivateFastSimulation("mu+");
92 fastSimulationPhysics->ActivateFastSimulation("mu-");
93 fastSimulationPhysics->ActivateFastSimulation("pi+");
94 fastSimulationPhysics->ActivateFastSimulation("pi-");
95 fastSimulationPhysics->ActivateFastSimulation("GenericIon");
96 //fastSimulationPhysics->ActivateFastSimulation("your_particle");
97 // you may activate this model for any charged particle
98 // a neutral particle will not enter the model
99
100 // -- Attach the fast simulation physics constructor to the physics list:
101 physicsList->RegisterPhysics( fastSimulationPhysics );
102 physicsList->SetVerboseLevel(1);
103 runManager->SetUserInitialization(physicsList);
104
105 // User action initialization
106 runManager->SetUserInitialization(new ActionInitialization());
107
108 // Initialize visualization
109 G4VisManager* visManager = new G4VisExecutive;
110 // G4VisExecutive can take a verbosity argument - see /vis/verbose guidance.
111 // G4VisManager* visManager = new G4VisExecutive("Quiet");
112 visManager->Initialize();
113
114 // Get the pointer to the User Interface manager
115 G4UImanager* UImanager = G4UImanager::GetUIpointer();
116
117 // Process macro or start UI session
118 if ( ! ui ) {
119 // batch mode
120 G4String command = "/control/execute ";
121 G4String fileName = argv[1];
122 UImanager->ApplyCommand(command+fileName);
123 }
124 else {
125 // interactive mode
126 UImanager->ApplyCommand("/control/execute init_vis.mac");
127 ui->SessionStart();
128 delete ui;
129 }
130
131 // Job termination
132 // Free the store: user actions, physics_list and detector_description are
133 // owned and deleted by the run manager, so they should not be deleted
134 // in the main() program !
135
136 delete visManager;
137 delete runManager;
138
139 theTimer->Stop();
140 G4cout << "Execution terminated" << G4endl;
141 G4cout << (*theTimer) << G4endl;
142 delete theTimer;
143
144 }
145
146 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
147