gflash/gflasha/ExGflasha.cc

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0025 //
0026 /// \file ExGflasha.cc
0027 /// \brief Main program of the gflash/gflasha example
0028
0029 // G4 includes
0030 #include "G4PhysListFactory.hh"
0031 #include "G4RunManagerFactory.hh"
0032 #include "G4Timer.hh"
0033 #include "G4Types.hh"
0034 #include "G4UImanager.hh"
0035 #include "G4ios.hh"
0036
0037 // my project
0038 #include "ExGflashActionInitialization.hh"
0039 #include "ExGflashDetectorConstruction.hh"
0040
0041 #include "G4FastSimulationPhysics.hh"
0042 #include "G4UIExecutive.hh"
0043 #include "G4VisExecutive.hh"
0044
0045 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0046
0047 int main(int argc, char** argv)
0048 {
0049   // Instantiate G4UIExecutive if interactive mode
0050   G4UIExecutive* ui = nullptr;
0051   if (argc == 1) {
0052     ui = new G4UIExecutive(argc, argv);
0053   }
0054
0055   // timer to see GFlash performance
0056   G4Timer timer;
0057   timer.Start();
0058
0059   G4cout << "+-------------------------------------------------------+" << G4endl;
0060   G4cout << "|                                                       |" << G4endl;
0061   G4cout << "|          This is an example of Shower                 |" << G4endl;
0062   G4cout << "|          Parameterization with GFLASH                 |" << G4endl;
0063   G4cout << "+-------------------------------------------------------+" << G4endl;
0064
0065   auto* runManager = G4RunManagerFactory::CreateRunManager();
0066
0067   // UserInitialization classes (mandatory)
0068   auto detector = new ExGflashDetectorConstruction;
0069   runManager->SetUserInitialization(detector);
0070
0071   // -- Select a physics list:
0072   G4PhysListFactory listFactory;
0073   G4String name;
0074   auto list_name = std::getenv("PHYSLIST");
0075   if (list_name == nullptr || std::strlen(list_name) == 0) {
0076     name = "FTFP_BERT";
0077   }
0078   else {
0079     name = list_name;
0080   }
0081   G4VModularPhysicsList* physicsList = listFactory.GetReferencePhysList(name);
0082
0083   // -- Create a fast simulation physics constructor, used to augment
0084   // -- the above physics list to allow for fast simulation:
0085   auto fastSimulationPhysics = new G4FastSimulationPhysics();
0086
0087   // -- We now configure the fastSimulationPhysics object.
0088   // -- The gflash model (GFlashShowerModel, see
0089   // ExGflashDetectorConstruction.cc)
0090   // -- is applicable to e+ and e- : we augment the physics list for these
0091   // -- particles (by adding a G4FastSimulationManagerProcess with below's
0092   // -- calls), this will make the fast simulation to be activated:
0093   fastSimulationPhysics->ActivateFastSimulation("e-");
0094   fastSimulationPhysics->ActivateFastSimulation("e+");
0095   // -- Register this fastSimulationPhysics to the physicsList,
0096   // -- when the physics list will be called by the run manager
0097   // -- (will happen at initialization of the run manager)
0098   // -- for physics process construction, the fast simulation
0099   // -- configuration will be applied as well.
0100   physicsList->RegisterPhysics(fastSimulationPhysics);
0101   runManager->SetUserInitialization(physicsList);
0102
0103   // Action initialization:
0104   runManager->SetUserInitialization(new ExGflashActionInitialization(detector));
0105
0106   G4VisManager* visManager = new G4VisExecutive;
0107   visManager->Initialize();
0108
0109   G4UImanager* UImanager = G4UImanager::GetUIpointer();
0110
0111   if (ui != nullptr)  // Define UI terminal for interactive mode
0112   {
0113     UImanager->ApplyCommand("/control/execute vis.mac");
0114     ui->SessionStart();
0115     delete ui;
0116   }
0117   else  // Batch mode
0118   {
0119     G4String s = *(argv + 1);
0120     UImanager->ApplyCommand("/control/execute " + s);
0121   }
0122
0123   delete visManager;
0124   delete runManager;
0125
0126   timer.Stop();
0127   G4cout << G4endl;
0128   G4cout << "******************************************";
0129   G4cout << G4endl;
0130   G4cout << "Total Real Elapsed Time is: " << timer.GetRealElapsed();
0131   G4cout << G4endl;
0132   G4cout << "Total System Elapsed Time: " << timer.GetSystemElapsed();
0133   G4cout << G4endl;
0134   G4cout << "Total GetUserElapsed Time: " << timer.GetUserElapsed();
0135   G4cout << G4endl;
0136   G4cout << "******************************************";
0137   G4cout << G4endl;
0138
0139   return 0;
0140 }
0141
0142 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......