physicslists/factory/factory.cc

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0025 //
0026 /// \file factory.cc
0027 /// \brief Main program of the physicslists/factory example
0028 //
0029 //
0030 //
0031 // -------------------------------------------------------------
0032 //      factory
0033 //
0034 //  Application demonstrating the usage of G4PhysListFactory
0035 //  to build the concrete physics list
0036 //
0037 //  Modified from hadronic/Hadr00/Hadr00.cc
0038 //     Author: V.Ivanchenko 20 June 2008
0039 // -------------------------------------------------------------
0040 //
0041 //
0042 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0043 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0044
0045 #include "ActionInitialization.hh"
0046 #include "DetectorConstruction.hh"
0047 #include "PrimaryGeneratorAction.hh"
0048
0049 #include "G4PhysListFactory.hh"
0050 #include "G4RunManagerFactory.hh"
0051 #include "G4UIExecutive.hh"
0052 #include "G4UImanager.hh"
0053 #include "G4VModularPhysicsList.hh"
0054 #include "G4VisExecutive.hh"
0055 #include "Randomize.hh"
0056
0057 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0058
0059 namespace
0060 {
0061 void PrintUsage()
0062 {
0063   G4cerr << " Usage: " << G4endl;
0064   G4cerr << " factory [-m macro ] [-p physList ] [-u UIsession] [-t nThreads]" << G4endl;
0065   G4cerr << "   note: -t option is available only for multi-threaded mode." << G4endl;
0066   G4cerr << G4endl;
0067 }
0068 }  // namespace
0069
0070 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0071
0072 int main(int argc, char** argv)
0073 {
0074   // Evaluate arguments
0075   //
0076   if (argc > 9) {
0077     PrintUsage();
0078     return 1;
0079   }
0080
0081   G4String macro;
0082   G4String session;
0083   G4String physListName;
0084   G4String gdmlFileName;
0085 #ifdef G4MULTITHREADED
0086   G4int nofThreads = 0;
0087 #endif
0088   for (G4int i = 1; i < argc; i = i + 2) {
0089     if (G4String(argv[i]) == "-m")
0090       macro = argv[i + 1];
0091     else if (G4String(argv[i]) == "-u")
0092       session = argv[i + 1];
0093     else if (G4String(argv[i]) == "-p")
0094       physListName = argv[i + 1];
0095 #ifdef G4MULTITHREADED
0096     else if (G4String(argv[i]) == "-t") {
0097       nofThreads = G4UIcommand::ConvertToInt(argv[i + 1]);
0098     }
0099 #endif
0100     else {
0101       PrintUsage();
0102       return 1;
0103     }
0104   }
0105
0106   // Detect interactive mode (if no arguments) and define UI session
0107   //
0108   G4UIExecutive* ui = nullptr;
0109   if (!macro.size()) {
0110     ui = new G4UIExecutive(argc, argv, session);
0111   }
0112
0113   // Choose the Random engine  //choose the Random engine
0114   G4Random::setTheEngine(new CLHEP::RanecuEngine());
0115
0116   // Construct the run manager
0117   auto* runManager = G4RunManagerFactory::CreateRunManager();
0118 #ifdef G4MULTITHREADED
0119   if (nofThreads > 0) {
0120     runManager->SetNumberOfThreads(nofThreads);
0121   }
0122 #endif
0123
0124   // Physics list factory
0125   G4PhysListFactory factory;
0126   G4VModularPhysicsList* physList = nullptr;
0127
0128   // Get physics list name
0129   if (!physListName.size()) {
0130     // Physics List is defined via environment variable PHYSLIST
0131     char* physListNameEnv = std::getenv("PHYSLIST");
0132     if (physListNameEnv) {
0133       physListName = G4String(physListNameEnv);
0134     }
0135   }
0136
0137   // Check if the name is known to the factory
0138   if (physListName.size() && (!factory.IsReferencePhysList(physListName))) {
0139     G4cerr << "Physics list " << physListName << " is not available in PhysListFactory." << G4endl;
0140     physListName.clear();
0141   }
0142
0143   // If name is not defined use FTFP_BERT
0144   if (!physListName.size()) {
0145     physListName = "FTFP_BERT";
0146   }
0147
0148   // Reference PhysicsList via its name
0149   physList = factory.GetReferencePhysList(physListName);
0150
0151   // Set mandatory initialization classes
0152   runManager->SetUserInitialization(new DetectorConstruction());
0153   runManager->SetUserInitialization(physList);
0154
0155   // set user action classes
0156   runManager->SetUserInitialization(new ActionInitialization("factory"));
0157
0158   // Initialize visualization
0159   G4VisManager* visManager = new G4VisExecutive;
0160   // G4VisExecutive can take a verbosity argument - see /vis/verbose guidance.
0161   // G4VisManager* visManager = new G4VisExecutive("Quiet");
0162   visManager->Initialize();
0163
0164   // Get the pointer to the User Interface manager
0165   G4UImanager* UImanager = G4UImanager::GetUIpointer();
0166
0167   if (macro.size()) {
0168     // batch mode
0169     G4String command = "/control/execute ";
0170     UImanager->ApplyCommand(command + macro);
0171   }
0172   else {
0173     // interactive mode : define UI session
0174     UImanager->ApplyCommand("/control/execute init_vis.mac");
0175     ui->SessionStart();
0176     delete ui;
0177   }
0178
0179   // Job termination
0180   // Free the store: user actions, physics_list and detector_description are
0181   // owned and deleted by the run manager, so they should not be deleted
0182   // in the main() program !
0183
0184   delete visManager;
0185   delete runManager;
0186 }
0187
0188 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......