chem2.cc

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//
// ********************************************************************
// * License and Disclaimer                                           *
// *                                                                  *
// * The  Geant4 software  is  copyright of the Copyright Holders  of *
// * the Geant4 Collaboration.  It is provided  under  the terms  and *
// * conditions of the Geant4 Software License,  included in the file *
// * LICENSE and available at  http://cern.ch/geant4/license .  These *
// * include a list of copyright holders.                             *
// *                                                                  *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work  make  any representation or  warranty, express or implied, *
// * regarding  this  software system or assume any liability for its *
// * use.  Please see the license in the file  LICENSE  and URL above *
// * for the full disclaimer and the limitation of liability.         *
// *                                                                  *
// * This  code  implementation is the result of  the  scientific and *
// * technical work of the GEANT4 collaboration.                      *
// * By using,  copying,  modifying or  distributing the software (or *
// * any work based  on the software)  you  agree  to acknowledge its *
// * use  in  resulting  scientific  publications,  and indicate your *
// * acceptance of all terms of the Geant4 Software license.          *
// ********************************************************************
//
// This example is provided by the Geant4-DNA collaboration
// Any report or published results obtained using the Geant4-DNA software
// shall cite the following Geant4-DNA collaboration publication:
// Med. Phys. 37 (2010) 4692-4708
// J. Comput. Phys. 274 (2014) 841-882
// The Geant4-DNA web site is available at http://geant4-dna.org
//
// $Id$
//

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

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

#include "G4DNAChemistryManager.hh"
#include "G4UImanager.hh"
#include "G4UIExecutive.hh"
#include "G4VisExecutive.hh"

#include "CommandLineParser.hh"

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

/*
 * WARNING : Geant4 was initially not intended for this kind of application
 * This code is delivered as a prototype
 * We will be happy to hear from you, do not hesitate to send your feedback and
 * communicate on the difficulties you may encounter
 * The user interface may change in the next releases since a reiteration of the
 * code has started
 */

using namespace G4DNAPARSER;
CommandLineParser* parser(0);

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

int main(int argc, char** argv)
{
  // 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
  G4RunManager* runManager(0);
  if ((commandLine = parser->GetCommandIfActive("-mt")))
  {
    runManager = new G4MTRunManager;
    int nThreads = 2;
    const G4String& option = commandLine->GetOption();
    if(option == "")
    {
      nThreads = G4UIcommand::ConvertToInt(commandLine->GetDefaultOption());
    }
    else if(option == "NMAX")
    {
     nThreads = G4Threading::G4GetNumberOfCores();
    }
    else
    {
      nThreads = G4UIcommand::ConvertToInt(option);
    }

    G4cout << "===== Chem2 is started with "
       << ((G4MTRunManager*) runManager)->GetNumberOfThreads()
       << " threads =====" << G4endl;

    ((G4MTRunManager*) runManager)->SetNumberOfThreads(nThreads);
  }
  else
  {
    runManager = new G4RunManager();
  }
#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(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");
    }

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

void Parse(int& argc, char** argv)
{
  // 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::OptionNotCompulsory,
                     "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();
  }
}