chem1.cc File Reference

#include "DetectorConstruction.hh"
#include "PhysicsList.hh"
#include "ActionInitialization.hh"
#include "G4RunManager.hh"
#include "G4DNAChemistryManager.hh"
#include "G4UImanager.hh"
#include "G4UIExecutive.hh"
#include "G4VisExecutive.hh"
#include "CommandLineParser.hh"

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Functions
CommandLineParser *	parser (0)
void	Parse (int &argc, char **argv)
int	main (int argc, char **argv)

Function Documentation

main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 71 of file chem1.cc.

{
  // Parse options given in commandLine
  //
  Parse(argc, argv);

  // Construct the run manager according to whether MT is activated or not
  //
  Command* commandLine(0);

#ifdef G4MULTITHREADED
  G4MTRunManager* runManager= new G4MTRunManager;
  if ((commandLine = parser->GetCommandIfActive("-mt")))
  {
    int nThreads = 2;
    if(commandLine->GetOption() == "NMAX")
    {
      nThreads = G4Threading::G4GetNumberOfCores();
    }
    else
    {
      nThreads = G4UIcommand::ConvertToInt(commandLine->GetOption());
    }
    G4cout << "===== Chem1 is started with "
    << runManager->GetNumberOfThreads()
    << " threads =====" << G4endl;

    runManager->SetNumberOfThreads(nThreads);
  }
#else
  G4RunManager* runManager = new G4RunManager();
#endif

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

  // Initialize G4 kernel
  runManager->Initialize();

  // 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();
  G4UIExecutive* ui(0);

  // interactive mode : define UI session
  if ((commandLine = parser->GetCommandIfActive("-gui")))
  {
    ui = new G4UIExecutive(argc, argv, commandLine->GetOption());

    if (ui->IsGUI()) UImanager->ApplyCommand("/control/execute gui.mac");

    if (parser->GetCommandIfActive("-novis") == 0)
    // visualization is used by default
    {
      if ((commandLine = parser->GetCommandIfActive("-vis")))
      // select a visualization driver if needed (e.g. HepFile)
      {
        UImanager->ApplyCommand(
            G4String("/vis/open ") + commandLine->GetOption());
      }
      else
      // by default OGL is used
      {
        UImanager->ApplyCommand("/vis/open OGL 800x600-0+0");
      }
      UImanager->ApplyCommand("/control/execute vis.mac");
    }
  }
  else
  // to be use visualization file (= store the visualization into
  // an external file:
  // ASCIITree ;  DAWNFILE ; HepRepFile ; VRML(1,2)FILE ; gMocrenFile ...
  {
    if ((commandLine = parser->GetCommandIfActive("-vis")))
    {
      UImanager->ApplyCommand(
          G4String("/vis/open ") + commandLine->GetOption());
      UImanager->ApplyCommand("/control/execute vis.mac");
    }
  }

  if ((commandLine = parser->GetCommandIfActive("-mac")))
  {
    G4String command = "/control/execute ";
    UImanager->ApplyCommand(command + commandLine->GetOption());
  }
  else
  {
    UImanager->ApplyCommand("/control/execute beam.in");
  }

  if ((commandLine = parser->GetCommandIfActive("-gui")))
  {
    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;

  CommandLineParser::DeleteInstance();

  return 0;
}

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Parse()

void Parse	(	int &	argc,
		char **	argv
	)

Definition at line 193 of file chem1.cc.

{
  // Parse options given in commandLine
  //
  parser = CommandLineParser::GetParser();

  parser->AddCommand(
      "-gui", Command::OptionNotCompulsory,
      "Select geant4 UI or just launch a geant4 terminal session", "qt");

  parser->AddCommand("-mac", Command::WithOption, "Give a mac file to execute",
                     "macFile.mac");

// You cann your own command, as for instance:
//  parser->AddCommand("-seed", 
//                     Command::WithOption,
//                     "Give a seed value in argument to be tested", "seed");
// it is then up to you to manage this option

#ifdef G4MULTITHREADED
  parser->AddCommand("-mt",
      Command::WithOption,
      "Launch in MT mode (events computed in parallel,"
      " NOT RECOMMANDED WITH CHEMISTRY)", "2");
#endif

  parser->AddCommand("-chemOFF", Command::WithoutOption,
                     "Deactivate chemistry");

  parser->AddCommand("-vis", Command::WithOption,
                     "Select a visualization driver", "OGL 600x600-0+0");

  parser->AddCommand("-novis", Command::WithoutOption,
                     "Deactivate visualization when using GUI");

  // If -h or --help is given in option : print help and exit
  //
  if (parser->Parse(argc, argv) != 0) // help is being printed
  {
    // if you are using ROOT, create a TApplication in this condition in order
    // to print the help from ROOT as well
    CommandLineParser::DeleteInstance();
    std::exit(0);
  }

  // Kill application if wrong argument in command line
  //
  if (parser->CheckIfNotHandledOptionsExists(argc, argv))
  {
    // if you are using ROOT, you should initialise your TApplication
    // before this condition
    abort();
  }
}

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parser()

CommandLineParser* parser

(

0

)

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