Peak2D.h

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// Copyright (c) 2002-present, OpenMS Inc. -- EKU Tuebingen, ETH Zurich, and FU Berlin
// SPDX-License-Identifier: BSD-3-Clause
//
// --------------------------------------------------------------------------
// $Maintainer: Timo Sachsenberg$
// $Authors: Marc Sturm $
// --------------------------------------------------------------------------
 
#pragma once
 
#include <OpenMS/CONCEPT/Types.h>
#include <OpenMS/CONCEPT/HashUtils.h>
#include <OpenMS/DATASTRUCTURES/DPosition.h>
 
#include <iosfwd>
#include <functional>
 
namespace OpenMS
{
 
  class OPENMS_DLLAPI Peak2D
  {
public:
 
 
    typedef float IntensityType;
    typedef double CoordinateType;
    typedef DPosition<2> PositionType;
 
 
    enum DimensionDescription
    {
      RT = 0,       
      MZ = 1,       
      DIMENSION = 2 
    };
 
    static char const * shortDimensionName(UInt const dim);
    static char const * shortDimensionNameRT();
    static char const * shortDimensionNameMZ();
 
    static char const * fullDimensionName(UInt const dim);
    static char const * fullDimensionNameRT();
    static char const * fullDimensionNameMZ();
 
    static char const * shortDimensionUnit(UInt const dim);
    static char const * shortDimensionUnitRT();
    static char const * shortDimensionUnitMZ();
 
    static char const * fullDimensionUnit(UInt const dim);
    static char const * fullDimensionUnitRT();
    static char const * fullDimensionUnitMZ();
 
 
protected:
 
 
    static char const * const dimension_name_short_[DIMENSION];
 
    static char const * const dimension_name_full_[DIMENSION];
 
    static char const * const dimension_unit_short_[DIMENSION];
 
    static char const * const dimension_unit_full_[DIMENSION];
 
 
public:
 
    Peak2D() = default;
 
    explicit Peak2D(const PositionType& pos, const IntensityType in) :
      position_(pos),
      intensity_(in)
    {}
 
    Peak2D(const Peak2D & p) = default;
 
    Peak2D(Peak2D&&) noexcept = default;
 
    Peak2D& operator=(const Peak2D& rhs) = default;
 
    Peak2D& operator=(Peak2D&&) noexcept = default;
    ~Peak2D() noexcept = default;
    
 
    IntensityType getIntensity() const
    {
      return intensity_;
    }
 
    void setIntensity(IntensityType intensity)
    {
      intensity_ = intensity;
    }
 
    PositionType const & getPosition() const
    {
      return position_;
    }
 
    PositionType & getPosition()
    {
      return position_;
    }
 
    void setPosition(const PositionType & position)
    {
      position_ = position;
    }
 
    CoordinateType getMZ() const
    {
      return position_[MZ];
    }
 
    void setMZ(CoordinateType coordinate)
    {
      position_[MZ] = coordinate;
    }
 
    CoordinateType getRT() const
    {
      return position_[RT];
    }
 
    void setRT(CoordinateType coordinate)
    {
      position_[RT] = coordinate;
    }
 
 
    bool operator==(const Peak2D& rhs) const = default;
 
    bool operator!=(const Peak2D & rhs) const
    {
      return !(operator==(rhs));
    }
 
    struct IntensityLess
    {
      bool operator()(const Peak2D & left, const Peak2D & right) const
      {
        return left.getIntensity() < right.getIntensity();
      }
 
      bool operator()(const Peak2D & left, IntensityType right) const
      {
        return left.getIntensity() < right;
      }
 
      bool operator()(IntensityType left, const Peak2D & right) const
      {
        return left < right.getIntensity();
      }
 
      bool operator()(IntensityType left, IntensityType right) const
      {
        return left < right;
      }
 
    };
 
    struct RTLess
    {
      bool operator()(const Peak2D & left, const Peak2D & right) const
      {
        return left.getRT() < right.getRT();
      }
 
      bool operator()(const Peak2D & left, CoordinateType right) const
      {
        return left.getRT() < right;
      }
 
      bool operator()(CoordinateType left, const Peak2D & right) const
      {
        return left < right.getRT();
      }
 
      bool operator()(CoordinateType left, CoordinateType right) const
      {
        return left < right;
      }
 
    };
 
    struct MZLess
    {
      bool operator()(const Peak2D & left, const Peak2D & right) const
      {
        return left.getMZ() < right.getMZ();
      }
 
      bool operator()(const Peak2D & left, CoordinateType right) const
      {
        return left.getMZ() < right;
      }
 
      bool operator()(CoordinateType left, const Peak2D & right) const
      {
        return left < right.getMZ();
      }
 
      bool operator()(CoordinateType left, CoordinateType right) const
      {
        return left < right;
      }
 
    };
 
    struct PositionLess
    {
      bool operator()(const Peak2D & left, const Peak2D & right) const
      {
        return left.getPosition() < right.getPosition();
      }
 
      bool operator()(const Peak2D & left, const PositionType & right) const
      {
        return left.getPosition() < right;
      }
 
      bool operator()(const PositionType & left, const Peak2D & right) const
      {
        return left < right.getPosition();
      }
 
      bool operator()(const PositionType & left, const PositionType & right) const
      {
        return left < right;
      }
 
    };
 
    friend OPENMS_DLLAPI std::ostream & operator<<(std::ostream & os, const Peak2D & point);
 
protected:
 
    PositionType position_{};
    IntensityType intensity_{};
  };
 
  OPENMS_DLLAPI std::ostream & operator<<(std::ostream & os, const Peak2D & point);
 
} // namespace OpenMS
 
// Hash function specialization for Peak2D
namespace std
{
  template<>
  struct hash<OpenMS::Peak2D>
  {
    std::size_t operator()(const OpenMS::Peak2D& p) const noexcept
    {
      std::size_t seed = OpenMS::hash_float(p.getRT());
      OpenMS::hash_combine(seed, OpenMS::hash_float(p.getMZ()));
      OpenMS::hash_combine(seed, OpenMS::hash_float(p.getIntensity()));
      return seed;
    }
  };
} // namespace std