ElectronMVAEstimatorRun2.h

Go to the documentation of this file.

#ifndef RecoEgamma_ElectronIdentification_ElectronMVAEstimatorRun2_H
#define RecoEgamma_ElectronIdentification_ElectronMVAEstimatorRun2_H

#include "DataFormats/PatCandidates/interface/Electron.h"
#include "RecoEgamma/EgammaTools/interface/AnyMVAEstimatorRun2Base.h"
#include "CommonTools/MVAUtils/interface/GBRForestTools.h"
#include "RecoEgamma/EgammaTools/interface/MVAVariableManager.h"
#include "CommonTools/Utils/interface/StringCutObjectSelector.h"
#include "CommonTools/Utils/interface/ThreadSafeFunctor.h"

#include "DataFormats/EgammaCandidates/interface/Conversion.h"
#include "CommonTools/Egamma/interface/ConversionTools.h"
#include "DataFormats/VertexReco/interface/Vertex.h"

class ElectronMVAEstimatorRun2 : public AnyMVAEstimatorRun2Base {
public:
  // Constructor and destructor
  ElectronMVAEstimatorRun2(const edm::ParameterSet& conf);
  ~ElectronMVAEstimatorRun2() override{};
  // For use with FWLite/Python
  ElectronMVAEstimatorRun2(const std::string& mvaTag,
                           const std::string& mvaName,
                           int nCategories,
                           const std::string& variableDefinition,
                           const std::vector<std::string>& categoryCutStrings,
                           const std::vector<std::string>& weightFileNames,
                           bool debug = false);

  // Calculation of the MVA value
  float mvaValue(const reco::Candidate* candidate,
                 std::vector<float> const& auxVariables,
                 int& iCategory) const override;

  // for FWLite just passing rho
  float mvaValue(const reco::Candidate* candidate, float rho, int& iCategory) const {
    return mvaValue(candidate, std::vector<float>{rho}, iCategory);
  }

  int findCategory(const reco::Candidate* candidate) const override;

private:
  void init(const std::vector<std::string>& weightFileNames);

  int findCategory(reco::GsfElectron const& electron) const;

  std::vector<ThreadSafeFunctor<StringCutObjectSelector<reco::GsfElectron>>> categoryFunctions_;
  std::vector<int> nVariables_;

  // Data members
  std::vector<std::unique_ptr<const GBRForest>> gbrForests_;

  // There might be different variables for each category, so the variables
  // names vector is itself a vector of length nCategories
  std::vector<std::vector<int>> variables_;

  MVAVariableManager<reco::GsfElectron> mvaVarMngr_;
};

#endif