ECLChargedPIDModule.h

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
 
#pragma once
 
//FRAMEWORK
#include <framework/core/Module.h>
#include <framework/datastore/StoreArray.h>
#include <framework/datastore/StoreObjPtr.h>
#include <framework/dataobjects/EventMetaData.h>
#include <framework/gearbox/Const.h>
#include <framework/logging/Logger.h>
#include <framework/utilities/FileSystem.h>
#include <framework/gearbox/Unit.h>
#include <framework/database/DBObjPtr.h>
 
//MDST
#include <mdst/dataobjects/Track.h>
 
//ECL
#include <ecl/dataobjects/ECLShower.h>
#include <ecl/dataobjects/ECLPidLikelihood.h>
#include <ecl/dbobjects/ECLChargedPidPDFs.h>
 
 
namespace Belle2 {

  class ECLChargedPIDModule : public Module {
 
  public:

    ECLChargedPIDModule();

    virtual ~ECLChargedPIDModule() override;

    void checkPdfsDB();

    virtual void initialize() override;

    virtual void beginRun() override;

    virtual void event() override;
 
  private:

    StoreArray<Track> m_tracks;

    StoreArray<ECLPidLikelihood> m_eclPidLikelihoods;

    DBObjPtr<ECLChargedPidPDFs> m_pdfs;

    static constexpr double c_dummyLogL = 0.0;

    bool m_applyClusterTimingSel;

    std::unordered_map<ECLChargedPidPDFs::InputVar, double> m_variables {
      {ECLChargedPidPDFs::InputVar::c_E1E9, -1.0},
      {ECLChargedPidPDFs::InputVar::c_E9E21, -1.0},
      {ECLChargedPidPDFs::InputVar::c_S2, -999.0},
      {ECLChargedPidPDFs::InputVar::c_E, -1.0},
      {ECLChargedPidPDFs::InputVar::c_EoP, -1.0},
      {ECLChargedPidPDFs::InputVar::c_Z40, -999.0},
      {ECLChargedPidPDFs::InputVar::c_Z51, -999.0},
      {ECLChargedPidPDFs::InputVar::c_ZMVA, -999.0},
      {ECLChargedPidPDFs::InputVar::c_PSDMVA, -999.0},
      {ECLChargedPidPDFs::InputVar::c_DeltaL, -999.0},
      {ECLChargedPidPDFs::InputVar::c_LAT, -999.0},
    };

    StoreObjPtr<EventMetaData> m_eventMetaData;

    static int linIndex(int i, int j, int m)
    {
      return j + m * i;
    }

    void transfoGaussDecorr(const unsigned int pdg, const int charge, const double& p, const double& theta,
                            std::vector<double>& variables);

    static double getPdfVal(const double& x, const TF1* pdf);

    static constexpr double c_sqrt2 = 1.41421356237309504880;
 
  };

} //Belle2