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26 //
27 /// \file field/field01/field01.cc
28 /// \brief Main program of the field/field01 example
29 //
30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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32
33 #include "F01ActionInitialization.hh"
34 #include "F01DetectorConstruction.hh"
35 #include "F01RunAction.hh"
36 #include "F01SteppingVerbose.hh"
37
38 #include "G4RunManagerFactory.hh"
39 #include "G4Types.hh"
40 #include "G4UImanager.hh"
41
42 #include "FTFP_BERT.hh"
43
44 #include "G4EmParameters.hh"
45 #include "G4HadronicParameters.hh"
46 #include "G4PhysicsListHelper.hh"
47 #include "G4StepLimiterPhysics.hh"
48 #include "G4UIExecutive.hh"
49 #include "G4VisExecutive.hh"
50 #include "Randomize.hh"
51
52 // For Printing statistic from Transporation process(es)
53 #include "G4CoupledTransportation.hh"
54 #include "G4Electron.hh"
55 #include "G4Transportation.hh"
56 #include "G4TransportationParameters.hh"
57
58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
59
60 int main(int argc, char** argv)
61 {
62 // Instantiate G4UIExecutive if there are no arguments (interactive mode)
63 //
64 G4UIExecutive* ui = nullptr;
65 if (argc == 1) {
66 ui = new G4UIExecutive(argc, argv);
67 }
68
69 // Setting the application-specific SteppingVerbose
70 //
71 auto verbosity = new F01SteppingVerbose;
72
73 // Construct the default run manager
74 auto runManager = G4RunManagerFactory::CreateRunManager();
75
76 // G4TransportationWithMscType: fDisabled, fEnabled, fMultipleSteps
77 // G4EmParameters::Instance()->SetTransportationWithMsc(G4TransportationWithMscType::fEnabled);
78
79 // Set mandatory initialization classes
80 //
81 // Detector construction
82 auto detector = new F01DetectorConstruction();
83 // detector->SetUseFSALstepper(); // Uncomment to use FSAL steppers
84
85 runManager->SetUserInitialization(detector);
86
87 // Configure the use of low thresholds for looping particles
88 // ( appropriate for typical applications using low-energy physics. )
89 // auto plHelper = G4PhysicsListHelper::GetPhysicsListHelper();
90 // plHelper->UseLowLooperThresholds();
91 // plHelper->UseHighLooperThresholds();
92 // Request a set of pre-selected values of the parameters for looping
93 // particles:
94 // - High for collider HEP applications,
95 // - Low for 'low-E' applications, medical, ..
96 // Note: If helper is used select low or high thresholds , it will overwrite
97 // values from TransportationParameters!
98
99 // They are currently applied in the following order:
100 // 1. Transportation Parameters - fine grained control in Transportation construction
101 // 2. Physics List Helper - impose a fixed set of new values in Transport classes
102 // 3. Run Action (F01RunAction) - revise values at Start of Run
103 // 4. Tracking Action - could revise value at start of each track (not shown)
104 // Note that this also could customise by particle type, e.g. giving different values
105 // to mu-/mu+ , e-/e+ vs others)
106 // If multiple are present, later methods overwrite previous ones in this list.
107
108 // Physics list
109 G4VModularPhysicsList* physicsList = new FTFP_BERT;
110 physicsList->RegisterPhysics(new G4StepLimiterPhysics());
111 runManager->SetUserInitialization(physicsList);
112
113 // User action initialization
114 runManager->SetUserInitialization(new F01ActionInitialization(detector));
115
116 G4double warningE = 10.0 * CLHEP::keV;
117 G4double importantE = 0.1 * CLHEP::MeV;
118 G4int numTrials = 30;
119
120 G4bool useTransportParams = true; // Use the new way - Nov 2022
121
122 if (useTransportParams) {
123 auto transportParams = G4TransportationParameters::Instance();
124 transportParams->SetWarningEnergy(warningE);
125 transportParams->SetImportantEnergy(importantE);
126 transportParams->SetNumberOfTrials(numTrials);
127 G4cout << "field01: Using G4TransportationParameters to set looper parameters." << G4endl;
128 }
129 else {
130 // Fine grained control of thresholds for looping particles
131 auto runAction = new F01RunAction();
132 runAction->SetWarningEnergy(warningE);
133 // Looping particles with E < 10 keV will be killed after 1 step
134 // with warning.
135 // Looping particles with E > 10 keV will generate a warning.
136 runAction->SetImportantEnergy(importantE);
137 runAction->SetNumberOfTrials(numTrials);
138 // Looping particles with E > 0.1 MeV will survive for up to
139 // 30 'tracking' steps, and only be killed if they still loop.
140
141 G4cout << "field01: Using F01RunAction to set looper parameters." << G4endl;
142 runManager->SetUserAction(runAction);
143 }
144
145 // Note: this mechanism overwrites the thresholds established by
146 // the call to UseLowLooperThresholds() above.
147
148 // Suppress large verbosity from EM & hadronic processes
149 G4EmParameters::Instance()->SetVerbose(0);
150 G4HadronicParameters::Instance()->SetVerboseLevel(0);
151
152 // Initialize G4 kernel
153 //
154 runManager->Initialize();
155
156 // Initialize visualization
157 //
158 // G4VisExecutive can take a verbosity argument - see /vis/verbose
159 G4VisManager* visManager = new G4VisExecutive("Quiet");
160 visManager->Initialize();
161
162 // Get the pointer to the User Interface manager
163 //
164 G4UImanager* UImanager = G4UImanager::GetUIpointer();
165
166 if (!ui) // batch mode
167 {
168 G4String command = "/control/execute ";
169 G4String fileName = argv[1];
170 UImanager->ApplyCommand(command + fileName);
171 }
172 else { // interactive mode : define UI session
173 UImanager->ApplyCommand("/control/execute init_vis.mac");
174 if (ui->IsGUI()) UImanager->ApplyCommand("/control/execute gui.mac");
175 ui->SessionStart();
176 delete ui;
177 }
178
179 // Statistics of tracks killed by G4Transportation are currently
180 // printed in the RunAction's EndOfEvent action.
181 // ( Eventually a summary could be provided here instead or as well. )
182
183 delete verbosity;
184 delete visManager;
185 delete runManager;
186
187 return 0;
188 }
189
190 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
191