electromagnetic/TestEm4/TestEm4.cc

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
0004 // *                                                                  *
0005 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
0006 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
0007 // * conditions of the Geant4 Software License,  included in the file *
0008 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
0009 // * include a list of copyright holders.                             *
0010 // *                                                                  *
0011 // * Neither the authors of this software system, nor their employing *
0012 // * institutes,nor the agencies providing financial support for this *
0013 // * work  make  any representation or  warranty, express or implied, *
0014 // * regarding  this  software system or assume any liability for its *
0015 // * use.  Please see the license in the file  LICENSE  and URL above *
0016 // * for the full disclaimer and the limitation of liability.         *
0017 // *                                                                  *
0018 // * This  code  implementation is the result of  the  scientific and *
0019 // * technical work of the GEANT4 collaboration.                      *
0020 // * By using,  copying,  modifying or  distributing the software (or *
0021 // * any work based  on the software)  you  agree  to acknowledge its *
0022 // * use  in  resulting  scientific  publications,  and indicate your *
0023 // * acceptance of all terms of the Geant4 Software license.          *
0024 // ********************************************************************
0025 //
0026 /// \file electromagnetic/TestEm4/TestEm4.cc
0027 /// \brief Main program of the electromagnetic/TestEm4 example
0028 //
0029 //
0030 //
0031 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0032 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0033
0034 #include "ActionInitialization.hh"
0035 #include "DetectorConstruction.hh"
0036 #include "PhysicsList.hh"
0037
0038 #include "G4RunManagerFactory.hh"
0039 #include "G4SteppingVerbose.hh"
0040 #include "G4Types.hh"
0041 #include "G4UIExecutive.hh"
0042 #include "G4UImanager.hh"
0043 #include "G4VisExecutive.hh"
0044 #include "Randomize.hh"
0045
0046 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0047
0048 int main(int argc, char** argv)
0049 {
0050   // detect interactive mode (if no arguments) and define UI session
0051   G4UIExecutive* ui = nullptr;
0052   if (argc == 1) ui = new G4UIExecutive(argc, argv);
0053
0054   // choose the Random engine
0055   G4Random::setTheEngine(new CLHEP::RanecuEngine);
0056
0057   // Use SteppingVerbose with Unit
0058   G4int precision = 4;
0059   G4SteppingVerbose::UseBestUnit(precision);
0060
0061   // construct the run manager
0062   auto runManager = G4RunManagerFactory::CreateRunManager();
0063   if (argc == 3) {
0064     G4int nThreads = G4UIcommand::ConvertToInt(argv[2]);
0065     runManager->SetNumberOfThreads(nThreads);
0066   }
0067   // set mandatory initialization classes
0068   runManager->SetUserInitialization(new DetectorConstruction);
0069   runManager->SetUserInitialization(new PhysicsList);
0070
0071   // set user action classes
0072   runManager->SetUserInitialization(new ActionInitialization());
0073
0074   // Initialize G4 kernel
0075   runManager->Initialize();
0076
0077   // initialize visualization
0078   G4VisManager* visManager = nullptr;
0079
0080   // get the pointer to the User Interface manager
0081   G4UImanager* UImanager = G4UImanager::GetUIpointer();
0082
0083   if (ui) {
0084     // interactive mode
0085     visManager = new G4VisExecutive;
0086     visManager->Initialize();
0087     ui->SessionStart();
0088     delete ui;
0089   }
0090   else {
0091     // batch mode
0092     G4String command = "/control/execute ";
0093     G4String fileName = argv[1];
0094     UImanager->ApplyCommand(command + fileName);
0095   }
0096
0097   // job termination
0098   delete visManager;
0099   delete runManager;
0100 }
0101
0102 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......