exampleB3a.cc File Reference

Main program of the B3a example. More...

#include "G4Types.hh"
#include "G4RunManager.hh"
#include "G4UImanager.hh"
#include "G4VisExecutive.hh"
#include "G4UIExecutive.hh"
#include "G4TScoreNtupleWriter.hh"
#include "Randomize.hh"
#include "B3DetectorConstruction.hh"
#include "B3PhysicsList.hh"
#include "B3aActionInitialization.hh"
#include "B3Analysis.hh"

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

Detailed Description

Main program of the B3a example.

Definition in file exampleB3a.cc.

Function Documentation

int main	(	int	argc,
		char **	argv
	)

Definition at line 52 of file exampleB3a.cc.

{
  // Detect interactive mode (if no arguments) and define UI session
  //
  G4UIExecutive* ui = 0;
  if ( argc == 1 ) {
    ui = new G4UIExecutive(argc, argv);
  }

  // Optionally: choose a different Random engine...
  //
  // G4Random::setTheEngine(new CLHEP::MTwistEngine);

  // Construct the default run manager
  //
#ifdef G4MULTITHREADED
  G4MTRunManager* runManager = new G4MTRunManager;
#else
  G4RunManager* runManager = new G4RunManager;
#endif

  // Set mandatory initialization classes
  //
  runManager->SetUserInitialization(new B3DetectorConstruction);
  //
  runManager->SetUserInitialization(new B3PhysicsList);

  // Set user action initialization
  //
  runManager->SetUserInitialization(new B3aActionInitialization());

  // Initialize visualization
  //
  G4VisManager* visManager = new G4VisExecutive;
  // G4VisExecutive can take a verbosity argument - see /vis/verbose guidance.
  // G4VisManager* visManager = new G4VisExecutive("Quiet");
  visManager->Initialize();

  // Get the pointer to the User Interface manager
  G4UImanager* UImanager = G4UImanager::GetUIpointer();

  // Activate score ntuple writer
  // The Root output type (Root) is selected in B3Analysis.hh.
  // The verbose level can be also set via UI commands
  // /score/ntuple/writerVerbose level
  G4TScoreNtupleWriter<G4AnalysisManager> scoreNtupleWriter;
  scoreNtupleWriter.SetVerboseLevel(1);

  // Process macro or start UI session
  //
  if ( ! ui ) {
    // batch mode
    G4String command = "/control/execute ";
    G4String fileName = argv[1];
    UImanager->ApplyCommand(command+fileName);
  }
  else {
    // interactive mode
    UImanager->ApplyCommand("/control/execute init_vis.mac");
    ui->SessionStart();
    delete ui;
  }

  // Job termination
  // Free the store: user actions, physics_list and detector_description are
  // owned and deleted by the run manager, so they should not be deleted
  // in the main() program !

  delete visManager;
  delete runManager;
}