electromagnetic/TestEm8/TestEm8.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/TestEm8/TestEm8.cc
0027 /// \brief Main program of the electromagnetic/TestEm8 example
0028 //
0029 //
0030 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0031 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0032
0033 #include "ActionInitialization.hh"
0034 #include "DetectorConstruction.hh"
0035 #include "PhysicsList.hh"
0036
0037 #include "G4RunManagerFactory.hh"
0038 #include "G4UIExecutive.hh"
0039 #include "G4UIcommand.hh"
0040 #include "G4UImanager.hh"
0041 #include "G4VisExecutive.hh"
0042
0043 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0044
0045 int main(int argc, char** argv)
0046 {
0047   // detect interactive mode (if no arguments) and define UI session
0048   G4UIExecutive* ui = nullptr;
0049   if (argc == 1) {
0050     ui = new G4UIExecutive(argc, argv);
0051   }
0052
0053   auto* runManager = G4RunManagerFactory::CreateRunManager();
0054   // Number of threads can be defined via 3rd argument
0055   G4int nThreads = 2;
0056   if (argc == 3) {
0057     if (G4String(argv[2]) == "NMAX") {
0058       nThreads = G4Threading::G4GetNumberOfCores();
0059     }
0060     else {
0061       nThreads = G4UIcommand::ConvertToInt(argv[2]);
0062     }
0063   }
0064   else if (argc == 1) {
0065     nThreads = 1;
0066   }
0067   if (nThreads > 0) {
0068     runManager->SetNumberOfThreads(nThreads);
0069   }
0070
0071   // set mandatory initialization classes
0072   DetectorConstruction* det = new DetectorConstruction();
0073   runManager->SetUserInitialization(det);
0074   runManager->SetUserInitialization(new PhysicsList(det));
0075
0076   // set user action classes
0077   runManager->SetUserInitialization(new ActionInitialization());
0078
0079   // initialize visualization
0080   G4VisManager* visManager = nullptr;
0081
0082   // get the pointer to the User Interface manager
0083   G4UImanager* UImanager = G4UImanager::GetUIpointer();
0084
0085   if (ui) {
0086     // interactive mode
0087     visManager = new G4VisExecutive();
0088     visManager->Initialize();
0089     ui->SessionStart();
0090     delete ui;
0091   }
0092   else {
0093     // batch mode
0094     G4String command = "/control/execute ";
0095     G4String fileName = argv[1];
0096     UImanager->ApplyCommand(command + fileName);
0097   }
0098
0099   // job termination
0100   delete visManager;
0101   delete runManager;
0102 }
0103
0104 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......