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2025-12-05 08:54:02 +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 *
// * 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 *
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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 *
// * 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 *
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// ********************************************************************
//
/// \file monopole.cc
/// \brief Main program of the exoticphysics/monopole example
#include "ActionInitialization.hh"
#include "DetectorConstruction.hh"
#include "G4MonopolePhysics.hh"
#include "G4PhysListFactory.hh"
#include "G4RunManagerFactory.hh"
#include "G4Types.hh"
#include "G4UIExecutive.hh"
#include "G4UImanager.hh"
#include "G4VModularPhysicsList.hh"
#include "G4VisExecutive.hh"
#include "Randomize.hh"
#include "globals.hh"
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namespace
{
void PrintUsage()
{
G4cerr << " Usage: " << G4endl << " monopole [-m macro ] [-s setupMonopole] [-t nThreads]"
<< G4endl << " Note: " << G4endl
<< " -s should be followed by a composed string, eg. \'1 0 100 GeV\'" << G4endl
<< " -t option is for multi-threaded mode." << G4endl << G4endl;
}
} // namespace
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int main(int argc, char** argv)
{
// Evaluate arguments
//
if (argc > 7) {
PrintUsage();
return 1;
}
G4String macro;
G4String setupMonopole;
G4int nThreads = 1;
for (G4int i = 1; i < argc; i = i + 2) {
if (G4String(argv[i]) == "-m")
macro = argv[i + 1];
else if (G4String(argv[i]) == "-s")
setupMonopole = argv[i + 1];
else if (G4String(argv[i]) == "-t") {
nThreads = G4UIcommand::ConvertToInt(argv[i + 1]);
}
else {
PrintUsage();
return 1;
}
}
// Construct the default run manager
auto* runManager = G4RunManagerFactory::CreateRunManager();
if (nThreads > 0) {
runManager->SetNumberOfThreads(nThreads);
}
G4cout << "===== Example is started with " << runManager->GetNumberOfThreads()
<< " threads =====" << G4endl;
// Instantiate G4UIExecutive if interactive
G4UIExecutive* ui = nullptr;
if (macro.empty()) {
ui = new G4UIExecutive(argc, argv);
}
// get the pointer to the User Interface manager
G4UImanager* UImanager = G4UImanager::GetUIpointer();
// create physicsList
// Physics List is defined via environment variable PHYSLIST
G4PhysListFactory factory;
G4VModularPhysicsList* phys = factory.GetReferencePhysList("FTFP_BERT");
// monopole physics is added
G4MonopolePhysics* theMonopole = new G4MonopolePhysics();
// Setup monopole
if (setupMonopole.size()) {
UImanager->ApplyCommand("/control/verbose 1");
UImanager->ApplyCommand("/monopole/setup " + setupMonopole);
}
// regsiter monopole physics
phys->RegisterPhysics(theMonopole);
runManager->SetUserInitialization(phys);
// visualization manager
G4VisManager* visManager = nullptr;
// set detector construction
DetectorConstruction* det = new DetectorConstruction();
runManager->SetUserInitialization(det);
// set user action classes
runManager->SetUserInitialization(new ActionInitialization(det));
// Process macro or start UI session
//
if (macro.size()) {
// batch mode
G4String command = "/control/execute ";
UImanager->ApplyCommand(command + macro);
}
else {
// interactive mode : define UI session
visManager = new G4VisExecutive();
visManager->Initialize();
UImanager->ApplyCommand("/control/execute init_vis.mac");
ui->SessionStart();
delete ui;
}
delete visManager;
// job termination
delete runManager;
return 0;
}
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