Template sparse n-dimensional array class derived from SparseMat. More...
#include "mat.hpp"
Public Types | |
enum | { MAGIC_VAL =0x42FD0000, MAX_DIM =32, HASH_SCALE =0x5bd1e995, HASH_BIT =0x80000000 } |
typedef SparseMatConstIterator_< _Tp > | const_iterator |
typedef SparseMatIterator_< _Tp > | iterator |
Public Member Functions | |
SparseMat_ () | |
the default constructor More... | |
SparseMat_ (int dims, const int *_sizes) | |
the full constructor equivelent to SparseMat(dims, _sizes, DataType<_Tp>::type) More... | |
SparseMat_ (const SparseMat &m) | |
the copy constructor. If DataType<_Tp>.type != m.type(), the m elements are converted More... | |
SparseMat_ (const SparseMat_ &m) | |
the copy constructor. This is O(1) operation - no data is copied More... | |
SparseMat_ (const Mat &m) | |
converts dense matrix to the sparse form More... | |
void | addref () |
manually increments the reference counter to the header. More... | |
void | assignTo (SparseMat &m, int type=-1) const |
SparseMatIterator_< _Tp > | begin () |
returns sparse matrix iterator pointing to the first sparse matrix element More... | |
SparseMatConstIterator_< _Tp > | begin () const |
returns read-only sparse matrix iterator pointing to the first sparse matrix element More... | |
int | channels () const |
returns the number of channels in each matrix element More... | |
void | clear () |
sets all the sparse matrix elements to 0, which means clearing the hash table. More... | |
SparseMat_ | clone () const |
makes full copy of the matrix. All the elements are duplicated More... | |
void | convertTo (SparseMat &m, int rtype, double alpha=1) const |
multiplies all the matrix elements by the specified scale factor alpha and converts the results to the specified data type More... | |
void | convertTo (Mat &m, int rtype, double alpha=1, double beta=0) const |
converts sparse matrix to dense n-dim matrix with optional type conversion and scaling. More... | |
void | copyTo (SparseMat &m) const |
copies all the data to the destination matrix. All the previous content of m is erased More... | |
void | copyTo (Mat &m) const |
converts sparse matrix to dense matrix. More... | |
void | create (int dims, const int *_sizes, int _type) |
reallocates sparse matrix. More... | |
void | create (int dims, const int *_sizes) |
equivalent to cv::SparseMat::create(dims, _sizes, DataType<_Tp>::type) More... | |
int | depth () const |
returns depth of the matrix elements More... | |
int | dims () const |
returns the matrix dimensionality More... | |
size_t | elemSize () const |
converts sparse matrix to the old-style representation; all the elements are copied. More... | |
size_t | elemSize1 () const |
returns elemSize()/channels() More... | |
SparseMatIterator_< _Tp > | end () |
returns sparse matrix iterator pointing to the element following the last sparse matrix element More... | |
SparseMatConstIterator_< _Tp > | end () const |
returns read-only sparse matrix iterator pointing to the element following the last sparse matrix element More... | |
void | erase (int i0, int i1, size_t *hashval=0) |
erases the specified element (2D case) More... | |
void | erase (int i0, int i1, int i2, size_t *hashval=0) |
erases the specified element (3D case) More... | |
void | erase (const int *idx, size_t *hashval=0) |
erases the specified element (nD case) More... | |
size_t | hash (int i0) const |
computes the element hash value (1D case) More... | |
size_t | hash (int i0, int i1) const |
computes the element hash value (2D case) More... | |
size_t | hash (int i0, int i1, int i2) const |
computes the element hash value (3D case) More... | |
size_t | hash (const int *idx) const |
computes the element hash value (nD case) More... | |
uchar * | newNode (const int *idx, size_t hashval) |
Node * | node (size_t nidx) |
const Node * | node (size_t nidx) const |
size_t | nzcount () const |
returns the number of non-zero elements (=the number of hash table nodes) More... | |
_Tp | operator() (int i0, size_t *hashval=0) const |
equivalent to SparseMat::value<_Tp>(i0, hashval) More... | |
_Tp | operator() (int i0, int i1, size_t *hashval=0) const |
equivalent to SparseMat::value<_Tp>(i0, i1, hashval) More... | |
_Tp | operator() (int i0, int i1, int i2, size_t *hashval=0) const |
equivalent to SparseMat::value<_Tp>(i0, i1, i2, hashval) More... | |
_Tp | operator() (const int *idx, size_t *hashval=0) const |
equivalent to SparseMat::value<_Tp>(idx, hashval) More... | |
SparseMat_ & | operator= (const SparseMat &m) |
converts the old-style sparse matrix to the C++ class. All the elements are copied More... | |
SparseMat_ & | operator= (const SparseMat_ &m) |
the assignment operator. This is O(1) operation - no data is copied More... | |
SparseMat_ & | operator= (const Mat &m) |
converts dense matrix to the sparse form More... | |
_Tp & | ref (int i0, size_t *hashval=0) |
equivalent to SparseMat::ref<_Tp>(i0, hashval) More... | |
_Tp & | ref (int i0, int i1, size_t *hashval=0) |
equivalent to SparseMat::ref<_Tp>(i0, i1, hashval) More... | |
_Tp & | ref (int i0, int i1, int i2, size_t *hashval=0) |
equivalent to SparseMat::ref<_Tp>(i0, i1, i2, hashval) More... | |
_Tp & | ref (const int *idx, size_t *hashval=0) |
equivalent to SparseMat::ref<_Tp>(idx, hashval) More... | |
void | release () |
void | removeNode (size_t hidx, size_t nidx, size_t previdx) |
void | resizeHashTab (size_t newsize) |
const int * | size () const |
returns the array of sizes, or NULL if the matrix is not allocated More... | |
int | size (int i) const |
returns the size of i-th matrix dimension (or 0) More... | |
int | type () const |
converts sparse matrix to the old-style CvSparseMat. All the elements are copied More... | |
template<typename _Tp > | |
_Tp & | value (Node *n) |
returns the value stored in the sparse martix node More... | |
template<typename _Tp > | |
const _Tp & | value (const Node *n) const |
returns the value stored in the sparse martix node More... | |
uchar * | ptr (int i0, bool createMissing, size_t *hashval=0) |
specialized variants for 1D, 2D, 3D cases and the generic_type one for n-D case. More... | |
uchar * | ptr (int i0, int i1, bool createMissing, size_t *hashval=0) |
returns pointer to the specified element (2D case) More... | |
uchar * | ptr (int i0, int i1, int i2, bool createMissing, size_t *hashval=0) |
returns pointer to the specified element (3D case) More... | |
uchar * | ptr (const int *idx, bool createMissing, size_t *hashval=0) |
returns pointer to the specified element (nD case) More... | |
template<typename _Tp > | |
_Tp | value (int i0, size_t *hashval=0) const |
return value of the specified sparse matrix element. More... | |
template<typename _Tp > | |
_Tp | value (int i0, int i1, size_t *hashval=0) const |
returns value of the specified element (2D case) More... | |
template<typename _Tp > | |
_Tp | value (int i0, int i1, int i2, size_t *hashval=0) const |
returns value of the specified element (3D case) More... | |
template<typename _Tp > | |
_Tp | value (const int *idx, size_t *hashval=0) const |
returns value of the specified element (nD case) More... | |
template<typename _Tp > | |
const _Tp * | find (int i0, size_t *hashval=0) const |
Return pointer to the specified sparse matrix element if it exists. More... | |
template<typename _Tp > | |
const _Tp * | find (int i0, int i1, size_t *hashval=0) const |
returns pointer to the specified element (2D case) More... | |
template<typename _Tp > | |
const _Tp * | find (int i0, int i1, int i2, size_t *hashval=0) const |
returns pointer to the specified element (3D case) More... | |
template<typename _Tp > | |
const _Tp * | find (const int *idx, size_t *hashval=0) const |
returns pointer to the specified element (nD case) More... | |
Public Attributes | |
int | flags |
Hdr * | hdr |
Template sparse n-dimensional array class derived from SparseMat.
SparseMat_ is a thin wrapper on top of SparseMat created in the same way as Mat_ . It simplifies notation of some operations:
typedef SparseMatConstIterator_<_Tp> cv::SparseMat_< _Tp >::const_iterator |
typedef SparseMatIterator_<_Tp> cv::SparseMat_< _Tp >::iterator |
cv::SparseMat_< _Tp >::SparseMat_ | ( | ) |
the default constructor
cv::SparseMat_< _Tp >::SparseMat_ | ( | int | dims, |
const int * | _sizes | ||
) |
the full constructor equivelent to SparseMat(dims, _sizes, DataType<_Tp>::type)
cv::SparseMat_< _Tp >::SparseMat_ | ( | const SparseMat & | m | ) |
the copy constructor. If DataType<_Tp>.type != m.type(), the m elements are converted
cv::SparseMat_< _Tp >::SparseMat_ | ( | const SparseMat_< _Tp > & | m | ) |
the copy constructor. This is O(1) operation - no data is copied
cv::SparseMat_< _Tp >::SparseMat_ | ( | const Mat & | m | ) |
converts dense matrix to the sparse form
|
inherited |
manually increments the reference counter to the header.
|
inherited |
SparseMatIterator_<_Tp> cv::SparseMat_< _Tp >::begin | ( | ) |
returns sparse matrix iterator pointing to the first sparse matrix element
SparseMatConstIterator_<_Tp> cv::SparseMat_< _Tp >::begin | ( | ) | const |
returns read-only sparse matrix iterator pointing to the first sparse matrix element
int cv::SparseMat_< _Tp >::channels | ( | ) | const |
returns the number of channels in each matrix element
|
inherited |
sets all the sparse matrix elements to 0, which means clearing the hash table.
SparseMat_ cv::SparseMat_< _Tp >::clone | ( | ) | const |
makes full copy of the matrix. All the elements are duplicated
|
inherited |
multiplies all the matrix elements by the specified scale factor alpha and converts the results to the specified data type
|
inherited |
converts sparse matrix to dense n-dim matrix with optional type conversion and scaling.
[out] | m | - output matrix; if it does not have a proper size or type before the operation, it is reallocated |
[in] | rtype | – desired output matrix type or, rather, the depth since the number of channels are the same as the input has; if rtype is negative, the output matrix will have the same type as the input. |
[in] | alpha | – optional scale factor |
[in] | beta | – optional delta added to the scaled values |
|
inherited |
copies all the data to the destination matrix. All the previous content of m is erased
|
inherited |
converts sparse matrix to dense matrix.
|
inherited |
void cv::SparseMat_< _Tp >::create | ( | int | dims, |
const int * | _sizes | ||
) |
equivalent to cv::SparseMat::create(dims, _sizes, DataType<_Tp>::type)
int cv::SparseMat_< _Tp >::depth | ( | ) | const |
returns depth of the matrix elements
|
inherited |
returns the matrix dimensionality
|
inherited |
converts sparse matrix to the old-style representation; all the elements are copied.
returns the size of each element in bytes (not including the overhead - the space occupied by SparseMat::Node elements)
|
inherited |
returns elemSize()/channels()
SparseMatIterator_<_Tp> cv::SparseMat_< _Tp >::end | ( | ) |
returns sparse matrix iterator pointing to the element following the last sparse matrix element
SparseMatConstIterator_<_Tp> cv::SparseMat_< _Tp >::end | ( | ) | const |
returns read-only sparse matrix iterator pointing to the element following the last sparse matrix element
|
inherited |
erases the specified element (2D case)
|
inherited |
erases the specified element (3D case)
|
inherited |
erases the specified element (nD case)
|
inherited |
Return pointer to the specified sparse matrix element if it exists.
find<_Tp>(i0,...[,hashval])
is equivalent to (_const Tp*)ptr(i0,...false[,hashval])
.
If the specified element does not exist, the methods return NULL.returns pointer to the specified element (1D case)
|
inherited |
returns pointer to the specified element (2D case)
|
inherited |
returns pointer to the specified element (3D case)
|
inherited |
returns pointer to the specified element (nD case)
|
inherited |
computes the element hash value (1D case)
|
inherited |
computes the element hash value (2D case)
|
inherited |
computes the element hash value (3D case)
|
inherited |
computes the element hash value (nD case)
|
inherited |
|
inherited |
|
inherited |
|
inherited |
returns the number of non-zero elements (=the number of hash table nodes)
_Tp cv::SparseMat_< _Tp >::operator() | ( | int | i0, |
size_t * | hashval = 0 |
||
) | const |
equivalent to SparseMat::value<_Tp>(i0, hashval)
_Tp cv::SparseMat_< _Tp >::operator() | ( | int | i0, |
int | i1, | ||
size_t * | hashval = 0 |
||
) | const |
equivalent to SparseMat::value<_Tp>(i0, i1, hashval)
_Tp cv::SparseMat_< _Tp >::operator() | ( | int | i0, |
int | i1, | ||
int | i2, | ||
size_t * | hashval = 0 |
||
) | const |
equivalent to SparseMat::value<_Tp>(i0, i1, i2, hashval)
_Tp cv::SparseMat_< _Tp >::operator() | ( | const int * | idx, |
size_t * | hashval = 0 |
||
) | const |
equivalent to SparseMat::value<_Tp>(idx, hashval)
SparseMat_& cv::SparseMat_< _Tp >::operator= | ( | const SparseMat & | m | ) |
converts the old-style sparse matrix to the C++ class. All the elements are copied
the assignment operator. If DataType<_Tp>.type != m.type(), the m elements are converted
SparseMat_& cv::SparseMat_< _Tp >::operator= | ( | const SparseMat_< _Tp > & | m | ) |
the assignment operator. This is O(1) operation - no data is copied
SparseMat_& cv::SparseMat_< _Tp >::operator= | ( | const Mat & | m | ) |
converts dense matrix to the sparse form
|
inherited |
specialized variants for 1D, 2D, 3D cases and the generic_type one for n-D case.
return pointer to the matrix element.
|
inherited |
returns pointer to the specified element (2D case)
|
inherited |
returns pointer to the specified element (3D case)
|
inherited |
returns pointer to the specified element (nD case)
_Tp& cv::SparseMat_< _Tp >::ref | ( | int | i0, |
size_t * | hashval = 0 |
||
) |
equivalent to SparseMat::ref<_Tp>(i0, hashval)
_Tp& cv::SparseMat_< _Tp >::ref | ( | int | i0, |
int | i1, | ||
size_t * | hashval = 0 |
||
) |
equivalent to SparseMat::ref<_Tp>(i0, i1, hashval)
_Tp& cv::SparseMat_< _Tp >::ref | ( | int | i0, |
int | i1, | ||
int | i2, | ||
size_t * | hashval = 0 |
||
) |
equivalent to SparseMat::ref<_Tp>(i0, i1, i2, hashval)
_Tp& cv::SparseMat_< _Tp >::ref | ( | const int * | idx, |
size_t * | hashval = 0 |
||
) |
equivalent to SparseMat::ref<_Tp>(idx, hashval)
|
inherited |
|
inherited |
|
inherited |
|
inherited |
returns the array of sizes, or NULL if the matrix is not allocated
|
inherited |
returns the size of i-th matrix dimension (or 0)
int cv::SparseMat_< _Tp >::type | ( | ) | const |
converts sparse matrix to the old-style CvSparseMat. All the elements are copied
returns type of the matrix elements
|
inherited |
return value of the specified sparse matrix element.
value<_Tp>(i0,...[,hashval])
is equivalent to
That is, if the element did not exist, the methods return 0.returns value of the specified element (1D case)
|
inherited |
returns value of the specified element (2D case)
|
inherited |
returns value of the specified element (3D case)
|
inherited |
returns value of the specified element (nD case)
|
inherited |
returns the value stored in the sparse martix node
|
inherited |
returns the value stored in the sparse martix node
|
inherited |
|
inherited |