exoticphysics/ucn/ExUCN.cc

0001 //
0002 // ********************************************************************
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0024 // ********************************************************************
0025 //
0026 /// \file ExUCN.cc
0027 /// \brief Main program of the exoticphysics/ucn example
0028
0029 #ifndef WIN32
0030 #  include <unistd.h>
0031 #endif
0032
0033 #include "ExUCNActionInitialization.hh"
0034 #include "ExUCNDetectorConstruction.hh"
0035 #include "ExUCNPhysicsList.hh"
0036
0037 #include "G4RunManagerFactory.hh"
0038 #include "G4Types.hh"
0039 #include "G4UIExecutive.hh"
0040 #include "G4UIcommand.hh"
0041 #include "G4UImanager.hh"
0042 #include "G4VisExecutive.hh"
0043 #include "Randomize.hh"
0044
0045 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0046
0047 namespace
0048 {
0049 void PrintUsage()
0050 {
0051   G4cerr << " Usage: " << G4endl;
0052   G4cerr << " ExUCN [-m macro ] [-u UIsession] [-t nThreads] [-r seed] " << G4endl;
0053   G4cerr << "   note: -t option is available only for multi-threaded mode." << G4endl;
0054 }
0055 }  // namespace
0056
0057 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0058
0059 int main(int argc, char** argv)
0060 {
0061   // Evaluate arguments
0062   //
0063   if (argc > 9) {
0064     PrintUsage();
0065     return 1;
0066   }
0067
0068   G4String macro;
0069   G4String session;
0070   G4int nThreads = 0;
0071
0072   G4long myseed = 1234;
0073   for (G4int i = 1; i < argc; i = i + 2) {
0074     if (G4String(argv[i]) == "-m")
0075       macro = argv[i + 1];
0076     else if (G4String(argv[i]) == "-u")
0077       session = argv[i + 1];
0078     else if (G4String(argv[i]) == "-r")
0079       myseed = atoi(argv[i + 1]);
0080     else if (G4String(argv[i]) == "-t") {
0081       nThreads = G4UIcommand::ConvertToInt(argv[i + 1]);
0082     }
0083     else {
0084       PrintUsage();
0085       return 1;
0086     }
0087   }
0088
0089   // Instantiate G4UIExecutive if interactive mode
0090   G4UIExecutive* ui = nullptr;
0091   if (argc == 1) {
0092     ui = new G4UIExecutive(argc, argv);
0093   }
0094
0095   // Choose the Random engine
0096   //
0097   G4Random::setTheEngine(new CLHEP::RanecuEngine);
0098
0099   // Construct the default run manager
0100   //
0101   auto* runManager = G4RunManagerFactory::CreateRunManager();
0102   if (nThreads > 0) runManager->SetNumberOfThreads(nThreads);
0103
0104   // Seed the random number generator manually
0105   G4Random::setTheSeed(myseed);
0106
0107   // Set mandatory initialization classes
0108   //
0109   // Detector construction
0110   runManager->SetUserInitialization(new ExUCNDetectorConstruction());
0111   // Physics list
0112   runManager->SetUserInitialization(new ExUCNPhysicsList());
0113   // User action initialization
0114   runManager->SetUserInitialization(new ExUCNActionInitialization());
0115
0116   // Initialize G4 kernel
0117   //
0118   runManager->Initialize();
0119
0120   // Initialize visualization
0121   //
0122   G4VisManager* visManager = new G4VisExecutive;
0123   // G4VisExecutive can take a verbosity argument - see /vis/verbose guidance.
0124   // G4VisManager* visManager = new G4VisExecutive("Quiet");
0125   visManager->Initialize();
0126
0127   // Get the pointer to the User Interface manager
0128   //
0129   G4UImanager* UImanager = G4UImanager::GetUIpointer();
0130
0131   if (macro.size()) {
0132     // batch mode
0133     G4String command = "/control/execute ";
0134     UImanager->ApplyCommand(command + macro);
0135   }
0136   else {  // interactive mode : define UI session
0137     UImanager->ApplyCommand("/control/execute vis.mac");
0138     if (ui->IsGUI()) UImanager->ApplyCommand("/control/execute gui.mac");
0139     ui->SessionStart();
0140     delete ui;
0141   }
0142
0143   // Job termination
0144   // Free the store: user actions, physics_list and detector_description are
0145   //                 owned and deleted by the run manager, so they should not
0146   //                 be deleted in the main() program !
0147
0148   delete visManager;
0149   delete runManager;
0150
0151   return 0;
0152 }
0153
0154 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......