TestEm3.cc

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//
//
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#include "G4Types.hh"

#ifdef G4MULTITHREADED
#include "G4MTRunManager.hh"
#else
#include "G4RunManager.hh"
#endif

#include "G4UImanager.hh"
#include "Randomize.hh"

#include "DetectorConstruction.hh"
#include "PhysicsList.hh"
#include "ActionInitialization.hh"
#include "SteppingVerbose.hh"

#include "G4UIExecutive.hh"
#include "G4VisExecutive.hh"

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

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

  //choose stepping verbose
  G4VSteppingVerbose::SetInstance(new SteppingVerbose);

  // Construct the default run manager
#ifdef G4MULTITHREADED
  G4MTRunManager* runManager = new G4MTRunManager;
  // Number of threads can be defined via 3rd argument
  G4int nThreads = 4;
  if (argc==3) {
    if(G4String(argv[2]) == "NMAX") {
      nThreads = G4Threading::G4GetNumberOfCores();
    } else {
      nThreads = G4UIcommand::ConvertToInt(argv[2]);
    }
  } else if(argc==1) {
    nThreads = 1;
  }
  if (nThreads > 0) { runManager->SetNumberOfThreads(nThreads); }
  G4cout << "===== TestEm3 is started with "
         <<  runManager->GetNumberOfThreads() << " threads =====" << G4endl;
#else
  G4RunManager* runManager = new G4RunManager;
#endif

  //set mandatory initialization classes
  DetectorConstruction* detector = new DetectorConstruction;
  runManager->SetUserInitialization(detector);
  runManager->SetUserInitialization(new PhysicsList);

  //set user action classes
  runManager->SetUserInitialization(new ActionInitialization(detector));

  //initialize visualization
  G4VisManager* visManager = nullptr;

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

  if (ui)  {
    //interactive mode
    visManager = new G4VisExecutive();
    visManager->Initialize();
    ui->SessionStart();
    delete ui;
  } else {
    //batch mode
    G4String command = "/control/execute ";
    G4String fileName = argv[1];
    UImanager->ApplyCommand(command+fileName);
  }

  //job termination
  delete visManager;
  delete runManager;
}

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