i3dlib

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i3d::HRCA_Histogram

i3d::HRCA_Histogram< T > Class Template Reference

Histogram class. More...

#include <hrca_histogram.h>

List of all members.


Public Member Functions

 HRCA_Histogram ()
 Constructor. It creates an instance of the canvas and initialize all its attributes on its defaults.
 ~HRCA_Histogram ()
 Destructor.
void Clear ()
 clears histogram
void Add (T i)
 increments the frequency of i-th value by one.
void Compute (const T *data, long n)
 computes data histogram
void Set (long i, long n)
 sets the frequency of i-th value to given value.
long GetLeftPercentilID (int percent) const
 return index of certain percentil in histogram

Protected Member Functions

void ComputeMax (long i)
 update _max_peak and _max_idx using i-th histogram value

Protected Attributes

long * _hist
 histogram
const long _size
 size of histogram
long _max_peak
 maximal value in histogram
long _max_idx
 index of maximal value
long _suma
 histogram suma

Detailed Description

template<class T>
class i3d::HRCA_Histogram< T >

Histogram class.

Member Function Documentation

template<class T>
void i3d::HRCA_Histogram< T >::Add ( T  i  )  [inline]

increments the frequency of i-th value by one.

Parameters:
i 

template<class T>
void i3d::HRCA_Histogram< T >::Compute ( const T *  data,
long  n 
)

computes data histogram

Parameters:
data 
n data length

template<class T>
void i3d::HRCA_Histogram< T >::Set ( long  i,
long  n 
) [inline]

sets the frequency of i-th value to given value.

Parameters:
i value
n frequency

template<class T>
long i3d::HRCA_Histogram< T >::GetLeftPercentilID ( int  percent  )  const

return index of certain percentil in histogram

Parameters:
percent percentil (value from 0 to 100) for 0 you get index of the first nonzero value.
Returns:
index (i.e. intenzity)

The documentation for this class was generated from the following files:

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