B4/B4b/exampleB4b.cc

0001 //
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0025 //
0026 /// \file exampleB4b.cc
0027 /// \brief Main program of the B4/B4b example
0028
0029 #include "ActionInitialization.hh"
0030 #include "DetectorConstruction.hh"
0031 #include "FTFP_BERT.hh"
0032
0033 #include "G4RunManagerFactory.hh"
0034 #include "G4SteppingVerbose.hh"
0035 #include "G4UIExecutive.hh"
0036 #include "G4UIcommand.hh"
0037 #include "G4UImanager.hh"
0038 #include "G4VisExecutive.hh"
0039 // #include "Randomize.hh"
0040
0041 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0042
0043 namespace
0044 {
0045 void PrintUsage()
0046 {
0047   G4cerr << " Usage: " << G4endl;
0048   G4cerr << " exampleB4b [-m macro ] [-u UIsession] [-t nThreads] [-vDefault]" << G4endl;
0049   G4cerr << "   note: -t option is available only for multi-threaded mode." << G4endl;
0050 }
0051 }  // namespace
0052
0053 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0054
0055 int main(int argc, char** argv)
0056 {
0057   // Evaluate arguments
0058   //
0059   if (argc > 7) {
0060     PrintUsage();
0061     return 1;
0062   }
0063
0064   G4String macro;
0065   G4String session;
0066   G4bool verboseBestUnits = true;
0067 #ifdef G4MULTITHREADED
0068   G4int nThreads = 0;
0069 #endif
0070   for (G4int i = 1; i < argc; i = i + 2) {
0071     if (G4String(argv[i]) == "-m")
0072       macro = argv[i + 1];
0073     else if (G4String(argv[i]) == "-u")
0074       session = argv[i + 1];
0075 #ifdef G4MULTITHREADED
0076     else if (G4String(argv[i]) == "-t") {
0077       nThreads = G4UIcommand::ConvertToInt(argv[i + 1]);
0078     }
0079 #endif
0080     else if (G4String(argv[i]) == "-vDefault") {
0081       verboseBestUnits = false;
0082       --i;  // this option is not followed with a parameter
0083     }
0084     else {
0085       PrintUsage();
0086       return 1;
0087     }
0088   }
0089
0090   // Detect interactive mode (if no macro provided) and define UI session
0091   //
0092   G4UIExecutive* ui = nullptr;
0093   if (!macro.size()) {
0094     ui = new G4UIExecutive(argc, argv, session);
0095   }
0096
0097   // Optionally: choose a different Random engine...
0098   // G4Random::setTheEngine(new CLHEP::MTwistEngine);
0099
0100   // Use G4SteppingVerboseWithUnits
0101   if (verboseBestUnits) {
0102     G4int precision = 8;
0103     G4SteppingVerbose::UseBestUnit(precision);
0104   }
0105
0106   // Construct the default run manager
0107   //
0108   auto runManager = G4RunManagerFactory::CreateRunManager(G4RunManagerType::Default);
0109 #ifdef G4MULTITHREADED
0110   if (nThreads > 0) {
0111     runManager->SetNumberOfThreads(nThreads);
0112   }
0113 #endif
0114
0115   // Set mandatory initialization classes
0116   //
0117   auto detConstruction = new B4::DetectorConstruction();
0118   runManager->SetUserInitialization(detConstruction);
0119
0120   auto physicsList = new FTFP_BERT;
0121   runManager->SetUserInitialization(physicsList);
0122
0123   auto actionInitialization = new B4b::ActionInitialization(detConstruction);
0124   runManager->SetUserInitialization(actionInitialization);
0125
0126   // Initialize visualization
0127   auto visManager = new G4VisExecutive;
0128   // G4VisExecutive can take a verbosity argument - see /vis/verbose guidance.
0129   // auto visManager = new G4VisExecutive("Quiet");
0130   visManager->Initialize();
0131
0132   // Get the pointer to the User Interface manager
0133   auto UImanager = G4UImanager::GetUIpointer();
0134
0135   // Process macro or start UI session
0136   //
0137   if (macro.size()) {
0138     // batch mode
0139     G4String command = "/control/execute ";
0140     UImanager->ApplyCommand(command + macro);
0141   }
0142   else {
0143     // interactive mode : define UI session
0144     UImanager->ApplyCommand("/control/execute init_vis.mac");
0145     if (ui->IsGUI()) {
0146       UImanager->ApplyCommand("/control/execute gui.mac");
0147     }
0148     ui->SessionStart();
0149     delete ui;
0150   }
0151
0152   // Job termination
0153   // Free the store: user actions, physics_list and detector_description are
0154   // owned and deleted by the run manager, so they should not be deleted
0155   // in the main() program !
0156
0157   delete visManager;
0158   delete runManager;
0159 }
0160
0161 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....