aimsalgo  5.1.2
Neuroimaging image processing
histogram.h
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33 
34 
35 #ifndef AIMS_HISTOGRAM_HISTOGRAM_H
36 #define AIMS_HISTOGRAM_HISTOGRAM_H
37 
39 #include <fstream>
40 
41 
42 template < class T > class Histogram;
43 
44 template < class T >
45 std::ostream& operator << ( std::ostream& os, const Histogram<T>& thing );
46 
48 template < class T>
49 class Histogram
50 {
51  public:
52 
56  Histogram();
58  Histogram( const Histogram<T>& other );
60  virtual ~Histogram() { }
62 
68  const carto::VolumeRef<int32_t>& data() const { return _data; }
70 
74  int32_t * beginValid()
75  { return &*_data.begin(); }
77  int32_t * endValid()
78  { return &_data.at( _maxValid - _minValid + 1 ); }
79 
81  int32_t * beginValid() const
82  { return &*_data.begin(); }
84  int32_t * endValid() const
85  { return &_data.at( _maxValid - _minValid + 1 ); }
87 
89  int minValid() const { return _minValid; }
91  int maxValid() const { return _maxValid; }
92 
94  int totalPoints() const { return _nPoints; }
95 
98  virtual void doit( const carto::rc_ptr<carto::Volume<T> > & ) { }
99 
103  friend std::ostream& operator << <> ( std::ostream& os,
104  const Histogram<T>& thing );
106 
107  protected:
108 
110  int _nPoints;
115 
118 };
119 
120 
121 template< class T > inline
123  : _nPoints( 0 ), _minValid( 0 ), _maxValid( 0 )
124 {
125 }
126 
127 
128 template< class T > inline
130  : _nPoints( other._nPoints ), _minValid( other._minValid ),
131  _maxValid( other._maxValid )
132 {
133  _data = other.data().deepcopy();
134 }
135 
136 
137 template < class T > inline
138 std::ostream& operator << ( std::ostream& os, const Histogram<T>& thing )
139 {
140  os << "{nPoints=" << thing._nPoints << ",";
141  os << "minValid=" << thing._minValid << ",";
142  os << "maxValid=" << thing._maxValid << ",";
143  os << "data=" << thing._data << "}";
144 
145  return os;
146 }
147 
148 #endif
Base class of histogram container class.
Definition: histogram.h:50
int32_t * endValid() const
return the constant iterator to the last valid value of the histogram
Definition: histogram.h:84
int minValid() const
return the minimum valid (used) value of the histogram
Definition: histogram.h:89
carto::VolumeRef< int32_t > _data
histogram datas
Definition: histogram.h:117
int _minValid
minimum used value
Definition: histogram.h:112
int32_t * beginValid() const
return the constant iterator to the first valid value of the histogram
Definition: histogram.h:81
int32_t * beginValid()
return the iterator to the first valid value of the histogram
Definition: histogram.h:74
virtual ~Histogram()
destructor.
Definition: histogram.h:60
Histogram()
constructor.
Definition: histogram.h:122
carto::VolumeRef< int32_t > & data()
return a reference to the data field of the histogram class.
Definition: histogram.h:66
int _nPoints
total number of points
Definition: histogram.h:110
int _maxValid
maximum used value
Definition: histogram.h:114
virtual void doit(const carto::rc_ptr< carto::Volume< T > > &)
the histogram computation function.
Definition: histogram.h:98
int totalPoints() const
return the total number of points in the histogram
Definition: histogram.h:94
int32_t * endValid()
return the iterator to the last valid value of the histogram
Definition: histogram.h:77
const carto::VolumeRef< int32_t > & data() const
return a constant reference to the data field of the histogram class.
Definition: histogram.h:68
int maxValid() const
returnn the maximum valid (used) value of the histogram
Definition: histogram.h:91
VolumeRef< T > deepcopy() const
const T & at(long x, long y=0, long z=0, long t=0) const
iterator begin()
std::ostream & operator<<(std::ostream &os, const Histogram< T > &thing)
Definition: histogram.h:138