DBoundingBox.h

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// --------------------------------------------------------------------------
//                   OpenMS -- Open-Source Mass Spectrometry
// --------------------------------------------------------------------------
// Copyright The OpenMS Team -- Eberhard Karls University Tuebingen,
// ETH Zurich, and Freie Universitaet Berlin 2002-2012.
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// $Maintainer: Clemens Groepl $
// $Authors: $
// --------------------------------------------------------------------------

#ifndef OPENMS_DATASTRUCTURES_DBOUNDINGBOX_H
#define OPENMS_DATASTRUCTURES_DBOUNDINGBOX_H

#include <OpenMS/DATASTRUCTURES/DIntervalBase.h>

namespace OpenMS
{

  template <UInt D>
  class DBoundingBox :
    public Internal::DIntervalBase<D>
  {

public:


    enum {DIMENSION = D};
    typedef Internal::DIntervalBase<D> Base;
    typedef typename Base::PositionType PositionType;
    typedef typename Base::CoordinateType CoordinateType;


    // for convenience
    using Base::min_;
    using Base::max_;


    DBoundingBox() :
      Base()
    {
    }

    DBoundingBox(const DBoundingBox & rhs) :
      Base(rhs)
    {
    }

    DBoundingBox & operator=(const DBoundingBox & rhs)
    {
      Base::operator=(rhs);
      return *this;
    }

    DBoundingBox & operator=(const Base & rhs)
    {
      Base::operator=(rhs);
      return *this;
    }

    ~DBoundingBox()
    {
    }

    DBoundingBox(const PositionType & minimum, const PositionType & maximum) :
      Base(minimum, maximum)
    {
    }



    void enlarge(const PositionType & p)
    {
      for (UInt i = 0; i < DIMENSION; ++i)
      {
        if (p[i] < min_[i]) min_[i] = p[i];
        if (p[i] > max_[i]) max_[i] = p[i];
      }
    }

    void enlarge(CoordinateType x, CoordinateType y)
    {
      enlarge(PositionType(x, y));
    }

    //}@


    bool operator==(const DBoundingBox & rhs) const
    {
      return Base::operator==(rhs);
    }

    bool operator==(const Base & rhs) const
    {
      return Base::operator==(rhs);
    }

    bool encloses(const PositionType & position) const
    {
      for (UInt i = 0; i < DIMENSION; ++i)
      {
        if (position[i] < min_[i] || position[i] > max_[i])
        {
          return false;
        }
      }
      return true;
    }

    bool encloses(CoordinateType x, CoordinateType y) const
    {
      return encloses(PositionType(x, y));
    }

    bool intersects(const DBoundingBox & bounding_box) const
    {
      for (UInt i = 0; i < DIMENSION; ++i)
      {
        if (bounding_box.min_[i] > max_[i]) return false;

        if (bounding_box.max_[i] <  min_[i]) return false;
      }
      return true;
    }

    bool isEmpty() const
    {
      for (UInt i = 0; i != D; i++)
      {
        if (max_[i] <= min_[i])
        {
          return true;
        }
      }
      return false;
    }



  };

  template <UInt D>
  std::ostream & operator<<(std::ostream & os, const DBoundingBox<D> & bounding_box)
  {
    os << "--DBOUNDINGBOX BEGIN--" << std::endl;
    os << "MIN --> " << bounding_box.minPosition() << std::endl;
    os << "MAX --> " << bounding_box.maxPosition() << std::endl;
    os << "--DBOUNDINGBOX END--" << std::endl;
    return os;
  }

} // namespace OpenMS

#endif // OPENMS_KERNEL_DBOUNDINGBOX_H