CompNovoIonScoringBase.h

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//                   OpenMS -- Open-Source Mass Spectrometry
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// Copyright The OpenMS Team -- Eberhard Karls University Tuebingen,
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// $Maintainer: Timo Sachsenberg $
// $Authors: Andreas Bertsch $
// --------------------------------------------------------------------------


#ifndef OPENMS_ANALYSIS_DENOVO_COMPNOVOIONSCORINGBASE_H
#define OPENMS_ANALYSIS_DENOVO_COMPNOVOIONSCORINGBASE_H

// OpenMS includes
#include <OpenMS/KERNEL/StandardTypes.h>
#include <OpenMS/DATASTRUCTURES/DefaultParamHandler.h>
#include <OpenMS/KERNEL/MSExperiment.h>

// stl includes
#include <vector>

namespace OpenMS
{
  class OPENMS_DLLAPI CompNovoIonScoringBase :
    public DefaultParamHandler
  {

public:

    enum IsotopeType
    {
      PARENT = 0,
      CHILD = 1,
      LONE = 2
    };

    struct OPENMS_DLLAPI IonScore
    {
      IonScore();

      IonScore(const IonScore & rhs);

      virtual ~IonScore();

      IonScore & operator=(const IonScore & rhs);


      double score;
      double s_bion;
      double s_yion;
      double s_witness;
      double position;
      double s_isotope_pattern_1;   // isotope pattern score charge 1
      Int is_isotope_1_mono;   // 0 means not tested, 1 mean is, -1 is tail of isotopes
      double s_isotope_pattern_2;   // "" charge 2
    };


    CompNovoIonScoringBase();

    CompNovoIonScoringBase(const CompNovoIonScoringBase & source);

    virtual ~CompNovoIonScoringBase();

    CompNovoIonScoringBase & operator=(const CompNovoIonScoringBase & source);

    double scoreIsotopes(const PeakSpectrum & CID_spec, PeakSpectrum::ConstIterator it, Size charge);

protected:

    void updateMembers_();


    IsotopeType classifyIsotopes_(const PeakSpectrum & spec, PeakSpectrum::ConstIterator it);

    double scoreIsotopes_(const PeakSpectrum & spec, PeakSpectrum::ConstIterator it, Map<double, IonScore> & CID_nodes, Size charge = 1);

    virtual void scoreWitnessSet_(Size charge, double precursor_weight, Map<double, IonScore> & CID_nodes, const PeakSpectrum & CID_orig_spec) = 0;

    void addSingleChargedIons_(Map<double, IonScore> & ion_scores, PeakSpectrum & CID_spec);

    void initIsotopeDistributions_();

    Map<Size, std::vector<double> > isotope_distributions_;

    double fragment_mass_tolerance_;

public:

  };

}

#endif