ExGflash2.cc File Reference

Main program of the parameterisations/gflash/gflash2 example. More...

#include "G4Types.hh"
#include "G4ios.hh"
#include "G4Timer.hh"
#include "G4UImanager.hh"
#include "G4RunManager.hh"
#include "ExGflash2DetectorConstruction.hh"
#include "ExGflash2ParallelWorld.hh"
#include "ExGflashActionInitialization.hh"
#include "FTFP_BERT.hh"
#include "G4FastSimulationPhysics.hh"
#include "G4VisExecutive.hh"
#include "G4UIExecutive.hh"

Go to the source code of this file.

Functions
int	main (int argc, char **argv)

Detailed Description

Main program of the parameterisations/gflash/gflash2 example.

Definition in file ExGflash2.cc.

Function Documentation

int main	(	int	argc,
		char **	argv
	)

Definition at line 57 of file ExGflash2.cc.

{   
  // Instantiate G4UIExecutive if interactive mode
  G4UIExecutive* ui = nullptr;
  if ( argc == 1 ) {
    ui = new G4UIExecutive(argc, argv);
  }

  // timer to see GFlash performance
  G4Timer timer;
  timer.Start();
  
  G4cout<<"+-------------------------------------------------------+"<<G4endl;
  G4cout<<"|                                                       |"<<G4endl;
  G4cout<<"|          This is an example of Shower                 |"<<G4endl;
  G4cout<<"|          Parameterization with GFLASH                 |"<<G4endl;
  G4cout<<"+-------------------------------------------------------+"<<G4endl;
  


#ifdef G4MULTITHREADED
  G4MTRunManager * runManager = new G4MTRunManager;
  runManager->SetNumberOfThreads(1);
  G4cout<<"+-------------------------------------------------------+"<<G4endl;
  G4cout<<"|              Constructing MT run manager              |"<<G4endl;
  G4cout<<"+-------------------------------------------------------+"<<G4endl;
#else
  G4RunManager * runManager = new G4RunManager;
  G4cout<<"+-------------------------------------------------------+"<<G4endl;
  G4cout<<"|        Constructing sequential run manager            |"<<G4endl;
  G4cout<<"+-------------------------------------------------------+"<<G4endl;
#endif
  
  // UserInitialization classes (mandatory)
  G4cout<<"# GFlash Example: Detector Construction"<<G4endl;    
  auto detector = new ExGflash2DetectorConstruction();
  detector->RegisterParallelWorld(new ExGflash2ParallelWorld("parallelWorld"));
  runManager->SetUserInitialization(detector);

  // G4cout<<"# GFlash Example: Physics "<<G4endl;
  // -- Select a physics list:
  G4VModularPhysicsList* physicsList = new FTFP_BERT();
  // -- Create a fast simulation physics constructor, used to augment
  // -- the above physics list to allow for fast simulation:
  G4FastSimulationPhysics* fastSimulationPhysics = new G4FastSimulationPhysics();
  // -- We now configure the fastSimulationPhysics object.
  // -- The gflash model (GFlashShowerModel, see ExGflashDetectorConstruction.cc)
  // -- is applicable to e+ and e- : we augment the physics list for these
  // -- particles (by adding a G4FastSimulationManagerProcess with below's
  // -- calls), this will make the fast simulation to be activated:
  fastSimulationPhysics->ActivateFastSimulation("e-", "parallelWorld");
  fastSimulationPhysics->ActivateFastSimulation("e+", "parallelWorld");
  // -- Register this fastSimulationPhysics to the physicsList,
  // -- when the physics list will be called by the run manager
  // -- (will happen at initialization of the run manager)
  // -- for physics process construction, the fast simulation
  // -- configuration will be applied as well.
  physicsList->RegisterPhysics( fastSimulationPhysics );
  runManager->SetUserInitialization(physicsList);

  // Action initialization:
  runManager->SetUserInitialization(new ExGflashActionInitialization);

  G4VisManager* visManager = new G4VisExecutive;
  visManager->Initialize();

  G4UImanager* UImanager = G4UImanager::GetUIpointer();
  UImanager->ApplyCommand("/run/verbose 0");
  runManager->Initialize();
  UImanager->ApplyCommand("/Step/Verbose 0");
  
  if (ui)   // Define UI terminal for interactive mode
  { 
    UImanager->ApplyCommand("/control/execute vis.mac");
    ui->SessionStart();
    delete ui;
  }
  else           // Batch mode
  { 
    G4String s=*(argv+1);
    UImanager->ApplyCommand("/control/execute "+s);
  }
  
  delete visManager;
  delete runManager;
  
  timer.Stop();
  G4cout << G4endl;
  G4cout << "******************************************";
  G4cout << G4endl;
  G4cout << "Total Real Elapsed Time is: "<< timer.GetRealElapsed();
  G4cout << G4endl;
  G4cout << "Total System Elapsed Time: " << timer.GetSystemElapsed();
  G4cout << G4endl;
  G4cout << "Total GetUserElapsed Time: " << timer.GetUserElapsed();
  G4cout << G4endl;
  G4cout << "******************************************";
  G4cout << G4endl;
  
  return 0;
}