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geant4/examples/basic/B3/B3a/exampleB3a.cc
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2023-12-08 10:43:34 +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 *
// * 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 exampleB3a.cc
/// \brief Main program of the B3a example
#include "G4Types.hh"
#include "G4RunManagerFactory.hh"
#include "G4SteppingVerbose.hh"
#include "G4UImanager.hh"
#include "G4VisExecutive.hh"
#include "G4UIExecutive.hh"
#include "G4AnalysisManager.hh"
#include "G4TScoreNtupleWriter.hh"
#include "Randomize.hh"
#include "DetectorConstruction.hh"
#include "PhysicsList.hh"
#include "ActionInitialization.hh"
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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);}
// Optionally: choose a different Random engine...
// G4Random::setTheEngine(new CLHEP::MTwistEngine);
//use G4SteppingVerboseWithUnits
G4int precision = 4;
G4SteppingVerbose::UseBestUnit(precision);
// Construct the default run manager
//
auto runManager =
G4RunManagerFactory::CreateRunManager(G4RunManagerType::Default);
// Set mandatory initialization classes
//
runManager->SetUserInitialization(new B3::DetectorConstruction);
//
runManager->SetUserInitialization(new B3::PhysicsList);
// Set user action initialization
//
runManager->SetUserInitialization(new B3a::ActionInitialization());
// Initialize visualization
//
auto visManager = new G4VisExecutive;
// G4VisExecutive can take a verbosity argument - see /vis/verbose guidance.
// auto visManager = new G4VisExecutive("Quiet");
visManager->Initialize();
// Get the pointer to the User Interface manager
auto UImanager = G4UImanager::GetUIpointer();
// Activate score ntuple writer
// The verbose level can be also set via UI commands
// /score/ntuple/writerVerbose level
// The default file type ("root") can be changed in xml, csv, hdf5
// scoreNtupleWriter.SetDefaultFileType("xml");
G4TScoreNtupleWriter<G4AnalysisManager> scoreNtupleWriter;
scoreNtupleWriter.SetVerboseLevel(1);
scoreNtupleWriter.SetNtupleMerging(true);
// Note: merging ntuples is available only with Root output
// (the default in G4TScoreNtupleWriter)
// Process macro or start UI session
//
if ( ! ui ) {
// batch mode
G4String command = "/control/execute ";
G4String fileName = argv[1];
UImanager->ApplyCommand(command+fileName);
}
else {
// interactive mode
UImanager->ApplyCommand("/control/execute init_vis.mac");
ui->SessionStart();
delete ui;
}
// Job termination
// Free the store: user actions, physics_list and detector_description are
// owned and deleted by the run manager, so they should not be deleted
// in the main() program !
delete visManager;
delete runManager;
}
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