cv::SparseMatConstIterator Class Reference

Read-Only Sparse Matrix Iterator. More...

#include <opencv2/core/mat.hpp>

Public Member Functions
	SparseMatConstIterator ()
	the default constructor
	SparseMatConstIterator (const SparseMat *_m)
	the full constructor setting the iterator to the first sparse matrix element
	SparseMatConstIterator (const SparseMatConstIterator &it)
	the copy constructor
const SparseMat::Node *	node () const
	returns the current node of the sparse matrix. it.node->idx is the current element index
SparseMatConstIterator &	operator++ ()
	moves iterator to the next element
SparseMatConstIterator	operator++ (int)
	moves iterator to the next element
SparseMatConstIterator &	operator-- ()
	moves iterator to the previous element
SparseMatConstIterator	operator-- (int)
	moves iterator to the previous element
SparseMatConstIterator &	operator= (const SparseMatConstIterator &it)
	the assignment operator
void	seekEnd ()
	moves iterator to the element after the last element
template<typename _Tp>
const _Tp &	value () const
	template method returning the current matrix element

Public Attributes
size_t	hashidx
const SparseMat *	m
uchar *	ptr

Detailed Description

Read-Only Sparse Matrix Iterator.

Here is how to use the iterator to compute the sum of floating-point sparse matrix elements:

SparseMatConstIterator it = m.begin(), it_end = m.end();
double s = 0;
CV_Assert( m.type() == CV_32F );
for( ; it != it_end; ++it )
   s += it.value<float>();

Constructor & Destructor Documentation

SparseMatConstIterator() [1/3]

cv::SparseMatConstIterator::SparseMatConstIterator

(

)

the default constructor

SparseMatConstIterator() [2/3]

cv::SparseMatConstIterator::SparseMatConstIterator

(

const SparseMat *

_m

)

the full constructor setting the iterator to the first sparse matrix element

SparseMatConstIterator() [3/3]

cv::SparseMatConstIterator::SparseMatConstIterator

(

const SparseMatConstIterator &

it

)

the copy constructor

Member Function Documentation

node()

const SparseMat::Node * cv::SparseMatConstIterator::node

(

)

const

returns the current node of the sparse matrix. it.node->idx is the current element index

operator++() [1/2]

SparseMatConstIterator & cv::SparseMatConstIterator::operator++

(

)

moves iterator to the next element

operator++() [2/2]

SparseMatConstIterator cv::SparseMatConstIterator::operator++

(

int

)

moves iterator to the next element

operator--() [1/2]

SparseMatConstIterator & cv::SparseMatConstIterator::operator--

(

)

moves iterator to the previous element

operator--() [2/2]

SparseMatConstIterator cv::SparseMatConstIterator::operator--

(

int

)

moves iterator to the previous element

operator=()

SparseMatConstIterator & cv::SparseMatConstIterator::operator=

(

const SparseMatConstIterator &

it

)

the assignment operator

seekEnd()

void cv::SparseMatConstIterator::seekEnd

(

)

moves iterator to the element after the last element

value()

template<typename _Tp>

const _Tp & cv::SparseMatConstIterator::value

(

)

const

template method returning the current matrix element

Member Data Documentation

hashidx

size_t cv::SparseMatConstIterator::hashidx

m

const SparseMat* cv::SparseMatConstIterator::m

ptr

uchar* cv::SparseMatConstIterator::ptr

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

• opencv2/core/mat.hpp