gflash/gflasha/ExGflasha.cc

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0025 //
0026 //
0027 /// \file ExGflasha.cc
0028 /// \brief Main program of the parameterisations/gflash/gflasha example
0029 //
0030
0031 // G4 includes
0032 #include "G4PhysListFactory.hh"
0033 #include "G4RunManagerFactory.hh"
0034 #include "G4Timer.hh"
0035 #include "G4Types.hh"
0036 #include "G4UImanager.hh"
0037 #include "G4ios.hh"
0038
0039 // my project
0040 #include "ExGflashActionInitialization.hh"
0041 #include "ExGflashDetectorConstruction.hh"
0042
0043 #include "G4FastSimulationPhysics.hh"
0044 #include "G4UIExecutive.hh"
0045 #include "G4VisExecutive.hh"
0046
0047 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0048
0049 int main(int argc, char** argv)
0050 {
0051   // Instantiate G4UIExecutive if interactive mode
0052   G4UIExecutive* ui = nullptr;
0053   if (argc == 1) {
0054     ui = new G4UIExecutive(argc, argv);
0055   }
0056
0057   // timer to see GFlash performance
0058   G4Timer timer;
0059   timer.Start();
0060
0061   G4cout << "+-------------------------------------------------------+" << G4endl;
0062   G4cout << "|                                                       |" << G4endl;
0063   G4cout << "|          This is an example of Shower                 |" << G4endl;
0064   G4cout << "|          Parameterization with GFLASH                 |" << G4endl;
0065   G4cout << "+-------------------------------------------------------+" << G4endl;
0066
0067   auto* runManager = G4RunManagerFactory::CreateRunManager();
0068
0069   // UserInitialization classes (mandatory)
0070   auto detector = new ExGflashDetectorConstruction;
0071   runManager->SetUserInitialization(detector);
0072
0073   // -- Select a physics list:
0074   G4PhysListFactory listFactory;
0075   G4String name;
0076   auto list_name = std::getenv("PHYSLIST");
0077   if (list_name == nullptr || std::strlen(list_name) == 0) {
0078     name = "FTFP_BERT";
0079   }
0080   else {
0081     name = list_name;
0082   }
0083   G4VModularPhysicsList* physicsList = listFactory.GetReferencePhysList(name);
0084
0085   // -- Create a fast simulation physics constructor, used to augment
0086   // -- the above physics list to allow for fast simulation:
0087   auto fastSimulationPhysics = new G4FastSimulationPhysics();
0088
0089   // -- We now configure the fastSimulationPhysics object.
0090   // -- The gflash model (GFlashShowerModel, see
0091   // ExGflashDetectorConstruction.cc)
0092   // -- is applicable to e+ and e- : we augment the physics list for these
0093   // -- particles (by adding a G4FastSimulationManagerProcess with below's
0094   // -- calls), this will make the fast simulation to be activated:
0095   fastSimulationPhysics->ActivateFastSimulation("e-");
0096   fastSimulationPhysics->ActivateFastSimulation("e+");
0097   // -- Register this fastSimulationPhysics to the physicsList,
0098   // -- when the physics list will be called by the run manager
0099   // -- (will happen at initialization of the run manager)
0100   // -- for physics process construction, the fast simulation
0101   // -- configuration will be applied as well.
0102   physicsList->RegisterPhysics(fastSimulationPhysics);
0103   runManager->SetUserInitialization(physicsList);
0104
0105   // Action initialization:
0106   runManager->SetUserInitialization(new ExGflashActionInitialization(detector));
0107
0108   G4VisManager* visManager = new G4VisExecutive;
0109   visManager->Initialize();
0110
0111   G4UImanager* UImanager = G4UImanager::GetUIpointer();
0112
0113   if (ui != nullptr)  // Define UI terminal for interactive mode
0114   {
0115     UImanager->ApplyCommand("/control/execute vis.mac");
0116     ui->SessionStart();
0117     delete ui;
0118   }
0119   else  // Batch mode
0120   {
0121     G4String s = *(argv + 1);
0122     UImanager->ApplyCommand("/control/execute " + s);
0123   }
0124
0125   delete visManager;
0126   delete runManager;
0127
0128   timer.Stop();
0129   G4cout << G4endl;
0130   G4cout << "******************************************";
0131   G4cout << G4endl;
0132   G4cout << "Total Real Elapsed Time is: " << timer.GetRealElapsed();
0133   G4cout << G4endl;
0134   G4cout << "Total System Elapsed Time: " << timer.GetSystemElapsed();
0135   G4cout << G4endl;
0136   G4cout << "Total GetUserElapsed Time: " << timer.GetUserElapsed();
0137   G4cout << G4endl;
0138   G4cout << "******************************************";
0139   G4cout << G4endl;
0140
0141   return 0;
0142 }
0143
0144 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......