Gabriele Cosmo
127 lines
4.8 KiB
C++
127 lines
4.8 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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/// \file FinalStateHistoManager.hh
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/// \brief Definition of the FinalStateHistoManager class
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///
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/// Create a set of histos for final state study.
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//
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// Author: G.Hugo, 08 December 2022
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//
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// ***************************************************************************
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//
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/// \class FinalStateHistoManager
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///
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/// Create a set of histos for final state study.
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/// In practice, the interactions studied here are hadron nuclear inelastic interactions
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/// (though the code is fully generic).
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///
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/// Energy spectra are plotted for all encountered secondaries
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/// (one histo per secondary).
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/// In addition, the residual nuclei Z and A distributions are plotted.
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///
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/// All histograms are G4H1.
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/// They are created and filled via the G4VAnalysisManager.
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///
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/// The histograms can be dumped to all usual formats, including ROOT
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/// (via G4VAnalysisManager).
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/// An interesting added feature here, is that the plots, while being allocated
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/// and filled via G4VAnalysisManager, are also dumped
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/// in a Flair-compatible format (via tools::histo::flair).
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///
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/// NB 1: Note that instead of a hardcoded number associated to a hardcoded set of particles,
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/// particle PDG IDs are used to index the histos.
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/// This allows a dynamic storage of all particles encountered in the final states.
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///
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/// NB 2: tools::histo::flair code, which allows the dump of any G4H1
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/// into Flair-compatible format, is fully application-agnostic,
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/// and is placed in FlukaCern/utils.
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/// It could also be added as an extension of core G4 Analysis Manager.
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//
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// ***************************************************************************
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#ifndef FINAL_STATE_HISTO_MANAGER_HH
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#define FINAL_STATE_HISTO_MANAGER_HH
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#include "G4H1Wrapper.hh"
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#include "G4SystemOfUnits.hh"
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#include "globals.hh"
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#include <memory>
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#include <unordered_map>
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#include <vector>
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class G4DynamicParticle;
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class G4VAnalysisManager;
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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class FinalStateHistoManager
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{
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public:
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FinalStateHistoManager();
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void Book();
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void BeginOfEvent();
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void ScoreSecondary(const G4DynamicParticle* const secondary);
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void EndOfEvent();
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void EndOfRun() const;
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private:
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void DumpAllG4H1IntoRootFile() const;
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void
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DumpAllG4H1IntoFlairFile(const std::map<G4String, const G4H1Wrapper*>& particlesHistos) const;
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G4String fOutputFileName = "all_secondaries";
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G4String fRootOutputFileName = fOutputFileName + ".root";
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G4String fFlairOutputFileName = fOutputFileName + ".hist";
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G4int fNumBins = 90;
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G4double fMinKineticEnergy = 10. * keV;
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G4double fMaxKineticEnergy = 10. * TeV;
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G4String fFunctionName = "none";
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G4String fBinSchemeName = "log";
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G4String fRootEnergyUnit = "MeV";
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G4int fNucleiZMax = 25;
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G4int fNucleiAMax = 50;
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G4int fNumEvents = 0;
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G4VAnalysisManager* fAnalysisManager = nullptr;
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// key is particle PDG ID:
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std::unordered_map<G4int, std::unique_ptr<G4H1Wrapper>> fParticleData;
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// key is nuclei Z or A score index:
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std::unordered_map<G4int, std::unique_ptr<G4H1Wrapper>> fNucleiData;
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G4int fNucleiZScoreIndex = 0;
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G4int fNucleiAScoreIndex = 1;
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};
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
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#endif
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