channeling/ch3/ch3.cc

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0025 //
0026 //
0027 /// \file ch3.cc
0028 /// \brief Main program of the ch3 example
0029 //
0030 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0031
0032 #include "DetectorConstruction.hh"
0033 #include "ActionInitialization.hh"
0034
0035 #include "G4RunManagerFactory.hh"
0036 #include "G4SteppingVerbose.hh"
0037 #include "G4UImanager.hh"
0038 #include "FTFP_BERT.hh"
0039 #include "G4FastSimulationPhysics.hh"
0040 #include "G4CoherentPairProductionPhysics.hh"
0041
0042 #include "G4VisExecutive.hh"
0043 #include "G4UIExecutive.hh"
0044
0045 #include "Randomize.hh"
0046 #include "G4Timer.hh"
0047
0048 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0049
0050 int main(int argc,char** argv)
0051 {
0052   // Get current time
0053   G4Timer* theTimer = new G4Timer();
0054   theTimer->Start();
0055
0056   // Choose the Random engine
0057   G4Random::setTheEngine(new CLHEP::RanecuEngine);
0058   CLHEP::HepRandom::setTheSeed(0.);
0059
0060   //use G4SteppingVerboseWithUnits
0061   G4int precision = 4;
0062   G4SteppingVerbose::UseBestUnit(precision);
0063
0064   // Detect interactive mode (if no arguments) and define UI session
0065   G4UIExecutive* ui = nullptr;
0066   if ( argc == 1 ) { ui = new G4UIExecutive(argc, argv); }
0067
0068   // Construct the default run manager
0069   auto* runManager =
0070     G4RunManagerFactory::CreateRunManager(G4RunManagerType::Default);
0071
0072   // Set mandatory initialization classes
0073   //
0074   // Detector construction
0075   runManager->SetUserInitialization(new DetectorConstruction());
0076
0077   // Physics list
0078   G4VModularPhysicsList* physicsList = new FTFP_BERT;
0079
0080   // -- Create helper tool, used to activate the fast simulation:
0081   G4FastSimulationPhysics* fastSimulationPhysics = new G4FastSimulationPhysics();
0082   fastSimulationPhysics->BeVerbose();
0083   // -- activation of fast simulation for particles having fast simulation models
0084   fastSimulationPhysics->ActivateFastSimulation("e-");
0085   fastSimulationPhysics->ActivateFastSimulation("e+");
0086   // -- Attach the fast simulation physics constructor to the physics list:
0087   physicsList->RegisterPhysics( fastSimulationPhysics );
0088
0089   // Create coherent pair production physics
0090   G4CoherentPairProductionPhysics* coherentPairProductionPhysics =
0091       new G4CoherentPairProductionPhysics();
0092   // CAUTION: using default for channeling model name "ChannelingModel" and
0093   // the region name "Crystal" (see DetectorConstruction).
0094
0095   // Register coherentPairProductionPhysics to the physics list:
0096   physicsList->RegisterPhysics(coherentPairProductionPhysics);
0097
0098   physicsList->SetVerboseLevel(1);
0099   runManager->SetUserInitialization(physicsList);
0100
0101   // User action initialization
0102   runManager->SetUserInitialization(new ActionInitialization());
0103
0104   // Initialize visualization
0105   G4VisManager* visManager = new G4VisExecutive;
0106   // G4VisExecutive can take a verbosity argument - see /vis/verbose guidance.
0107   // G4VisManager* visManager = new G4VisExecutive("Quiet");
0108   visManager->Initialize();
0109
0110   // Get the pointer to the User Interface manager
0111   G4UImanager* UImanager = G4UImanager::GetUIpointer();
0112
0113   // Process macro or start UI session
0114   if ( ! ui ) {
0115     // batch mode
0116     G4String command = "/control/execute ";
0117     G4String fileName = argv[1];
0118     UImanager->ApplyCommand(command+fileName);
0119   }
0120   else {
0121     // interactive mode
0122     UImanager->ApplyCommand("/control/execute init_vis.mac");
0123     ui->SessionStart();
0124     delete ui;
0125   }
0126
0127   // Job termination
0128   // Free the store: user actions, physics_list and detector_description are
0129   // owned and deleted by the run manager, so they should not be deleted
0130   // in the main() program !
0131
0132   delete visManager;
0133   delete runManager;
0134
0135   theTimer->Stop();
0136   G4cout << "Execution terminated" << G4endl;
0137   G4cout << (*theTimer) << G4endl;
0138   delete theTimer;
0139
0140 }
0141
0142 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....