ECLChargedPIDMVAModule.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/database/DBObjPtr.h>
#include <framework/dataobjects/EventMetaData.h>
 
// MVA
#include <mva/interface/Expert.h>
#include <mva/interface/Dataset.h>
 
//MDST
#include <mdst/dataobjects/Track.h>
 
//ECL
#include <ecl/dataobjects/ECLPidLikelihood.h>
#include <ecl/dbobjects/ECLChargedPIDMVAWeights.h>
 
 
namespace Belle2 {
 

 
  class ECLChargedPIDMVAModule : public Module {
 
  public:

    ECLChargedPIDMVAModule();

    virtual ~ECLChargedPIDMVAModule() override;

    virtual void initialize() override;

    virtual void beginRun() override;

    virtual void event() override;

    void checkDBPayloads();

    void initializeMVA();

    static float logTransformation(const float value, const float offset, const float max);

    static float gaussTransformation(const float value, const TH1F* cdf);

    static std::vector<float> decorrTransformation(const std::vector<float>& scores, const std::vector<float>* decorrelationMatrix);
 
 
  private:

    float evaluateVariable(const Variable::Manager::Var* varobj, const Particle* particle);

    std::string m_payload_name;

    StoreObjPtr<EventMetaData> m_eventMetaData;

    StoreArray<Track> m_tracks;

    StoreArray<ECLPidLikelihood> m_eclPidLikelihoods;

    std::unique_ptr<DBObjPtr<ECLChargedPIDMVAWeights>> m_mvaWeights;

    std::unordered_map<unsigned int, std::unique_ptr<MVA::Expert>> m_experts;

    static constexpr float c_dummyLogL = -87.3365;

    std::vector<const Variable::Manager::Var*> m_binningVariables;

    std::unordered_map<unsigned int, std::vector<const Variable::Manager::Var*>> m_variables;

    std::unordered_map<unsigned int, std::unique_ptr<MVA::SingleDataset>> m_datasets;

    static constexpr double c_sqrt2 = 1.41421356237309504880;
 
  }; // class

} // Belle2 namespace