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geant4/examples/extended/hadronic/Hadr00/Hadr00.cc
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2018-12-07 15:15:39 +01:00

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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 *
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// * include a list of copyright holders. *
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// * 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 *
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// * This code implementation is the result of the scientific and *
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//
/// \file hadronic/Hadr00/Hadr00.cc
/// \brief Main program of the hadronic/Hadr00 example
//
//
//
// -------------------------------------------------------------
// GEANT4 Hadr00
//
// Application demonstrating Geant4 hadronic cross sections
//
// Author: V.Ivanchenko 20 June 2008
//
// Modified:
//
// -------------------------------------------------------------
//
//
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#include "G4RunManager.hh"
#include "G4MTRunManager.hh"
#include "G4UImanager.hh"
#include "Randomize.hh"
#include "DetectorConstruction.hh"
#include "G4PhysListFactory.hh"
#include "G4VModularPhysicsList.hh"
#include "PrimaryGeneratorAction.hh"
#include "ActionInitialization.hh"
#include "G4UIExecutive.hh"
#include "G4VisExecutive.hh"
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int main(int argc,char** argv) {
//detect interactive mode (if no arguments) and define UI session
G4UIExecutive* ui = nullptr;
if (argc == 1) { ui = new G4UIExecutive(argc,argv); }
#ifdef G4MULTITHREADED
G4MTRunManager * runManager = new G4MTRunManager();
// Number of threads can be defined via 3rd argument
if (argc==4) {
G4int nThreads = G4UIcommand::ConvertToInt(argv[3]);
runManager->SetNumberOfThreads(nThreads);
}
G4cout << "##### Hadr00 started for " << runManager->GetNumberOfThreads()
<< " threads" << " #####" << G4endl;
#else
G4RunManager * runManager = new G4RunManager();
G4cout << "##### Hadr00 started in sequential mode"
<< " #####" << G4endl;
#endif
//set mandatory initialization classes
DetectorConstruction* det = new DetectorConstruction();
runManager->SetUserInitialization(det);
G4PhysListFactory factory;
G4VModularPhysicsList* phys = nullptr;
G4String physName = "";
//Physics List name defined via 3nd argument
if (argc>=3) { physName = argv[2]; }
//Physics List is defined via environment variable PHYSLIST
if ("" == physName) {
char* path = getenv("PHYSLIST");
if (path) { physName = G4String(path); }
}
//if name is not known to the factory use FTFP_BERT
if("" == physName || !factory.IsReferencePhysList(physName)) {
physName = "FTFP_BERT";
}
//reference PhysicsList via its name
phys = factory.GetReferencePhysList(physName);
runManager->SetUserInitialization(phys);
det->SetPhysicsList(phys);
//set user action classes
runManager->SetUserInitialization(new ActionInitialization(det));
//initialize visualization
G4VisManager* visManager = nullptr;
//get the pointer to the User Interface manager
G4UImanager* UImanager = G4UImanager::GetUIpointer();
if (ui) {
//interactive mode
visManager = new G4VisExecutive;
visManager->Initialize();
ui->SessionStart();
delete ui;
} else {
//batch mode
G4String command = "/control/execute ";
G4String fileName = argv[1];
UImanager->ApplyCommand(command+fileName);
}
//job termination
delete visManager;
delete runManager;
}
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