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geant4/examples/extended/hadronic/Hadr01/Hadr01.cc
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2018-06-29 10:58:11 +02:00

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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 *
// * 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. *
// ********************************************************************
//
/// \file hadronic/Hadr01/Hadr01.cc
/// \brief Main program of the hadronic/Hadr01 example
//
//
// $Id: Hadr01.cc 109185 2018-04-03 07:20:46Z gcosmo $
//
// -------------------------------------------------------------
// GEANT4 Hadr01
//
// Application demonstrating Geant4 hadronic physics:
// beam interaction with a target
//
// Authors: A.Bagulya, I.Gudowska, V.Ivanchenko, N.Starkov
//
// Modified:
// 29.12.2009 V.Ivanchenko introduced access to reference PhysLists
//
// -------------------------------------------------------------
//
//
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#include "G4RunManager.hh"
#include "G4UImanager.hh"
#include "Randomize.hh"
#include "DetectorConstruction.hh"
#include "PhysicsList.hh"
#include "G4PhysListFactory.hh"
#include "G4VModularPhysicsList.hh"
#include "PrimaryGeneratorAction.hh"
#include "PhysicsListMessenger.hh"
#include "RunAction.hh"
#include "EventAction.hh"
#include "StackingAction.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); }
//Construct the default run manager
G4RunManager * runManager = new G4RunManager();
//set mandatory initialization classes
runManager->SetUserInitialization(new DetectorConstruction());
G4PhysListFactory factory;
G4VModularPhysicsList* phys = nullptr;
PhysicsListMessenger* mess = nullptr;
G4String physName = "";
//Physics List name defined via 3nd argument
if (argc==3) { physName = argv[2]; }
// Physics List name defined via environment variable
if("" == physName) {
char* path = getenv("PHYSLIST");
if (path) { physName = G4String(path); }
}
//reference PhysicsList via its name
if ("" != physName && factory.IsReferencePhysList(physName)) {
phys = factory.GetReferencePhysList(physName);
// instantiated messenger
mess = new PhysicsListMessenger();
}
//local Physics List
if(!phys) { phys = new PhysicsList(); }
// define physics
runManager->SetUserInitialization(phys);
runManager->SetUserAction(new PrimaryGeneratorAction());
//set user action classes
runManager->SetUserAction(new RunAction());
runManager->SetUserAction(new EventAction());
runManager->SetUserAction(new StackingAction());
//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 mess;
delete visManager;
delete runManager;
}
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