channeling/ch2/ch2.cc

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0025 //
0026 //
0027 /// \file ch2.cc
0028 /// \brief Main program of the ch2 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
0041 #include "G4VisExecutive.hh"
0042 #include "G4UIExecutive.hh"
0043
0044 #include "Randomize.hh"
0045 #include "G4Timer.hh"
0046
0047 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0048
0049 int main(int argc,char** argv)
0050 {
0051   // Get current time
0052   G4Timer* theTimer = new G4Timer();
0053   theTimer->Start();
0054
0055   // Choose the Random engine
0056   G4Random::setTheEngine(new CLHEP::RanecuEngine);
0057   CLHEP::HepRandom::setTheSeed(0.);
0058
0059   //use G4SteppingVerboseWithUnits
0060   G4int precision = 4;
0061   G4SteppingVerbose::UseBestUnit(precision);
0062
0063   // Detect interactive mode (if no arguments) and define UI session
0064   G4UIExecutive* ui = nullptr;
0065   if ( argc == 1 ) { ui = new G4UIExecutive(argc, argv); }
0066
0067   // Construct the default run manager
0068   auto* runManager =
0069     G4RunManagerFactory::CreateRunManager(G4RunManagerType::Default);
0070
0071   // Set mandatory initialization classes
0072   //
0073   // Detector construction
0074   runManager->SetUserInitialization(new DetectorConstruction());
0075
0076   // Physics list
0077   G4VModularPhysicsList* physicsList = new FTFP_BERT;
0078
0079   // -- Create helper tool, used to activate the fast simulation:
0080   G4FastSimulationPhysics* fastSimulationPhysics = new G4FastSimulationPhysics();
0081   fastSimulationPhysics->BeVerbose();
0082   // -- activation of fast simulation for particles having fast simulation models
0083   // -- attached in the mass geometry:
0084   // you may add any charged particles here
0085   // CAUTION: for the particles other then e+- you would likely want
0086   // to switch off the radiation
0087   fastSimulationPhysics->ActivateFastSimulation("e-");
0088   fastSimulationPhysics->ActivateFastSimulation("e+");
0089   fastSimulationPhysics->ActivateFastSimulation("proton");
0090   fastSimulationPhysics->ActivateFastSimulation("anti_proton");
0091   fastSimulationPhysics->ActivateFastSimulation("mu+");
0092   fastSimulationPhysics->ActivateFastSimulation("mu-");
0093   fastSimulationPhysics->ActivateFastSimulation("pi+");
0094   fastSimulationPhysics->ActivateFastSimulation("pi-");
0095   fastSimulationPhysics->ActivateFastSimulation("GenericIon");
0096   //fastSimulationPhysics->ActivateFastSimulation("your_particle");
0097   // you may activate this model for any charged particle
0098   // a neutral particle will not enter the model
0099
0100   // -- Attach the fast simulation physics constructor to the physics list:
0101   physicsList->RegisterPhysics( fastSimulationPhysics );
0102   physicsList->SetVerboseLevel(1);
0103   runManager->SetUserInitialization(physicsList);
0104
0105   // User action initialization
0106   runManager->SetUserInitialization(new ActionInitialization());
0107
0108   // Initialize visualization
0109   G4VisManager* visManager = new G4VisExecutive;
0110   // G4VisExecutive can take a verbosity argument - see /vis/verbose guidance.
0111   // G4VisManager* visManager = new G4VisExecutive("Quiet");
0112   visManager->Initialize();
0113
0114   // Get the pointer to the User Interface manager
0115   G4UImanager* UImanager = G4UImanager::GetUIpointer();
0116
0117   // Process macro or start UI session
0118   if ( ! ui ) {
0119     // batch mode
0120     G4String command = "/control/execute ";
0121     G4String fileName = argv[1];
0122     UImanager->ApplyCommand(command+fileName);
0123   }
0124   else {
0125     // interactive mode
0126     UImanager->ApplyCommand("/control/execute init_vis.mac");
0127     ui->SessionStart();
0128     delete ui;
0129   }
0130
0131   // Job termination
0132   // Free the store: user actions, physics_list and detector_description are
0133   // owned and deleted by the run manager, so they should not be deleted
0134   // in the main() program !
0135
0136   delete visManager;
0137   delete runManager;
0138
0139   theTimer->Stop();
0140   G4cout << "Execution terminated" << G4endl;
0141   G4cout << (*theTimer) << G4endl;
0142   delete theTimer;
0143
0144 }
0145
0146 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....