histogram.h

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#ifndef AIMS_HISTOGRAM_HISTOGRAM_H
#define AIMS_HISTOGRAM_HISTOGRAM_H
 
#include <cartodata/volume/volume.h>
#include <fstream>
 
 
template < class T > class Histogram;
 
template < class T > 
std::ostream& operator << ( std::ostream& os, const Histogram<T>& thing );

template < class T>
class Histogram
{
  public:


    Histogram();
    Histogram( const Histogram<T>& other );
    virtual ~Histogram() { }


    carto::VolumeRef<int32_t>& data() { return _data; }
    const carto::VolumeRef<int32_t>& data() const { return _data; }


    int32_t * beginValid()
    { return &*_data.begin(); }

    int32_t * endValid()
    { return &_data.at( _maxValid - _minValid + 1 ); }

    const int32_t * beginValid() const
    { return &*_data.begin(); }

    const int32_t * endValid() const
    { return &_data.at( _maxValid - _minValid + 1 ); }


    int minValid() const { return _minValid; }
    int maxValid() const { return _maxValid; }

    int totalPoints() const { return _nPoints; }

    virtual void doit( const carto::rc_ptr<carto::Volume<T> > & ) { }


    friend std::ostream& operator << <> ( std::ostream& os, 
                                          const Histogram<T>& thing );
 
  protected:

    int _nPoints;
    int _minValid;
    int _maxValid;

    carto::VolumeRef<int32_t> _data;
};
 
 
template< class T > inline
Histogram<T>::Histogram() 
             : _nPoints( 0 ), _minValid( 0 ), _maxValid( 0 )
{
}
 
 
template< class T > inline
Histogram<T>::Histogram( const Histogram<T>& other )
             : _nPoints( other._nPoints ), _minValid( other._minValid ), 
               _maxValid( other._maxValid )
{
  _data = other.data().deepcopy();
}
 
 
template < class T > inline
std::ostream& operator << ( std::ostream& os, const Histogram<T>& thing )
{
  os << "{nPoints=" << thing._nPoints << ",";
  os << "minValid=" << thing._minValid << ",";
  os << "maxValid=" << thing._maxValid << ",";
  os << "data=" << thing._data << "}";
 
  return os;
}
 
#endif