hadronic/Hadr00/Hadr00.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 Hadr00.cc
0027 /// \brief Main program of the hadronic/Hadr00 example
0028
0029 // -------------------------------------------------------------
0030 //      GEANT4 Hadr00
0031 //
0032 //  Application demonstrating Geant4 hadronic cross sections
0033 //
0034 //  Author: V.Ivanchenko 20 June 2008
0035 //
0036 //  Modified:
0037 //
0038 // -------------------------------------------------------------
0039 //
0040 //
0041 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0042 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0043
0044 #include "ActionInitialization.hh"
0045 #include "DetectorConstruction.hh"
0046 #include "PrimaryGeneratorAction.hh"
0047
0048 #include "G4PhysListFactory.hh"
0049 #include "G4RunManagerFactory.hh"
0050 #include "G4UIExecutive.hh"
0051 #include "G4UImanager.hh"
0052 #include "G4VModularPhysicsList.hh"
0053 #include "G4VisExecutive.hh"
0054 #include "Randomize.hh"
0055
0056 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0057
0058 int main(int argc, char** argv)
0059 {
0060   // detect interactive mode (if no arguments) and define UI session
0061   G4UIExecutive* ui = nullptr;
0062   if (argc == 1) {
0063     ui = new G4UIExecutive(argc, argv);
0064   }
0065
0066   auto* runManager = G4RunManagerFactory::CreateRunManager();
0067
0068   // Number of threads can be defined via 3rd argument
0069   if (argc == 4) {
0070     G4int nThreads = G4UIcommand::ConvertToInt(argv[3]);
0071     runManager->SetNumberOfThreads(nThreads);
0072   }
0073   G4cout << "##### Hadr00 started for " << runManager->GetNumberOfThreads() << " threads"
0074          << " #####" << G4endl;
0075
0076   // set mandatory initialization classes
0077   DetectorConstruction* det = new DetectorConstruction();
0078   runManager->SetUserInitialization(det);
0079
0080   G4PhysListFactory factory;
0081   G4VModularPhysicsList* phys = nullptr;
0082   G4String physName = "";
0083
0084   // Physics List name defined via 3nd argument
0085   if (argc >= 3) {
0086     physName = argv[2];
0087   }
0088
0089   // Physics List is defined via environment variable PHYSLIST
0090   if ("" == physName) {
0091     char* path = std::getenv("PHYSLIST");
0092     if (path) {
0093       physName = G4String(path);
0094     }
0095   }
0096
0097   // if name is not known to the factory use FTFP_BERT
0098   if ("" == physName || !factory.IsReferencePhysList(physName)) {
0099     physName = "FTFP_BERT";
0100   }
0101
0102   // reference PhysicsList via its name
0103   phys = factory.GetReferencePhysList(physName);
0104
0105   runManager->SetUserInitialization(phys);
0106   det->SetPhysicsList(phys);
0107
0108   // set user action classes
0109   runManager->SetUserInitialization(new ActionInitialization(det));
0110
0111   // initialize visualization
0112   G4VisManager* visManager = nullptr;
0113
0114   // get the pointer to the User Interface manager
0115   G4UImanager* UImanager = G4UImanager::GetUIpointer();
0116
0117   if (ui) {
0118     // interactive mode
0119     visManager = new G4VisExecutive;
0120     visManager->Initialize();
0121     ui->SessionStart();
0122     delete ui;
0123   }
0124   else {
0125     // batch mode
0126     G4String command = "/control/execute ";
0127     G4String fileName = argv[1];
0128     UImanager->ApplyCommand(command + fileName);
0129   }
0130
0131   // job termination
0132   delete visManager;
0133   delete runManager;
0134 }
0135
0136 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......