This class implements and iterator to "navigate" over a raster, with a predefined number of bands. More...

#include <RasterIterator.h>

Public Member Functions
unsigned int	getColumn () const
	Returns the current column in iterator. More...

unsigned int	getRow () const
	Returns the current row in iterator. More...

void	getValues (std::vector< T > &v) const
	Gets the values from all bands in current position (column, row) from iterator. More...

bool	operator!= (const RasterIterator &rhs) const
	Difference operator. More...

std::vector< T >	operator* () const
	Returns a vector with pixel values from all bands in current position (column, row) from iterator. More...

void	operator++ ()
	Advances to the next position. More...

void	operator-- ()
	Returns to the previous position. More...

RasterIterator &	operator= (const RasterIterator &rhs)
	Assignment operator. More...

T	operator[] (const unsigned int i) const
	Returns the value in current position (column, row, band) from iterator. More...

	RasterIterator ()
	Empty constructor. More...

	RasterIterator (Raster *r, const std::vector< unsigned int > &bands)
	Constructor. More...

	RasterIterator (const RasterIterator &rhs)
	Copy constructor. More...

	~RasterIterator ()
	Destructor. More...

Static Public Member Functions
static RasterIterator	begin (Raster *r, const std::vector< unsigned int > &bands)
	Returns an iterator referring to the first value. More...

static RasterIterator	end (Raster *r, const std::vector< unsigned int > &bands)
	Returns an iterator referring to after the end of the iterator. More...

Private Attributes
std::vector< unsigned int >	m_b
	The vector of bands to iterate. More...

std::vector< BandIterator< T > >	m_it
	The vector of band iterators. More...

Raster *	m_raster
	The raster from where to get the values. More...

Detailed Description

template<class T>
class te::rst::RasterIterator< T >

This class implements and iterator to "navigate" over a raster, with a predefined number of bands.

See also: te::rst::Raster

Definition at line 52 of file RasterIterator.h.

Constructor & Destructor Documentation

template<class T >

te::rst::RasterIterator< T >::RasterIterator ( )

Empty constructor.

Definition at line 151 of file RasterIterator.h.

template<class T >

te::rst::RasterIterator< T >::RasterIterator	(	Raster *	r,
		const std::vector< unsigned int > &	bands
	)

Constructor.

Parameters

r	The raster to iterate.
bands	The vector of band indices that the iterator will use.

Definition at line 158 of file RasterIterator.h.

References te::rst::Raster::getBand(), te::rst::RasterIterator< T >::m_b, and te::rst::RasterIterator< T >::m_it.

template<class T >

te::rst::RasterIterator< T >::RasterIterator ( const RasterIterator< T > & rhs )

Copy constructor.

Parameters

rhs	The right-hand-side copy used to copy from.

Definition at line 166 of file RasterIterator.h.

template<class T >

te::rst::RasterIterator< T >::~RasterIterator ( )

Destructor.

Definition at line 171 of file RasterIterator.h.

Member Function Documentation

template<class T >

te::rst::RasterIterator< T > te::rst::RasterIterator< T >::begin	(	Raster *	r,
		const std::vector< unsigned int > &	bands
	)

static

Returns an iterator referring to the first value.

Parameters

r	The raster to iterate.
bands	The vector of band indices that the iterator will use.

Definition at line 236 of file RasterIterator.h.

template<class T >

te::rst::RasterIterator< T > te::rst::RasterIterator< T >::end	(	Raster *	r,
		const std::vector< unsigned int > &	bands
	)

static

Returns an iterator referring to after the end of the iterator.

Parameters

r	The raster to iterate.
bands	The vector of band indices that the iterator will use.

Definition at line 241 of file RasterIterator.h.

References te::rst::Raster::getBand(), and te::rst::RasterIterator< T >::m_it.

template<class T >

unsigned int te::rst::RasterIterator< T >::getColumn ( ) const

Returns the current column in iterator.

Definition at line 180 of file RasterIterator.h.

template<class T >

unsigned int te::rst::RasterIterator< T >::getRow ( ) const

Returns the current row in iterator.

Definition at line 175 of file RasterIterator.h.

template<class T >

void te::rst::RasterIterator< T >::getValues ( std::vector< T > & v ) const

Gets the values from all bands in current position (column, row) from iterator.

Parameters

v	A vector previously created to be filled with values.

Warning: The caller is responsible for creating the vector with enough space.

Definition at line 199 of file RasterIterator.h.

template<class T >

bool te::rst::RasterIterator< T >::operator!= ( const RasterIterator< T > & rhs ) const

Difference operator.

Parameters

rhs	The right-hand side to compare.

Returns: Returns true if the iterators are at different positions, or false otherwise.

Definition at line 231 of file RasterIterator.h.

References te::rst::RasterIterator< T >::m_it.

template<class T >

std::vector< T > te::rst::RasterIterator< T >::operator* ( ) const

Returns a vector with pixel values from all bands in current position (column, row) from iterator.

Definition at line 190 of file RasterIterator.h.

template<class T >

void te::rst::RasterIterator< T >::operator++ ( )

Advances to the next position.

Definition at line 205 of file RasterIterator.h.

template<class T >

void te::rst::RasterIterator< T >::operator-- ( )

Returns to the previous position.

Definition at line 211 of file RasterIterator.h.

template<class T >

te::rst::RasterIterator< T > & te::rst::RasterIterator< T >::operator= ( const RasterIterator< T > & rhs )

Assignment operator.

Parameters

rhs	The right-hand-side copy used to copy from.

Returns: A reference to this object.

Definition at line 217 of file RasterIterator.h.

References te::rst::RasterIterator< T >::m_b, te::rst::RasterIterator< T >::m_it, and te::rst::RasterIterator< T >::m_raster.

template<class T >

T te::rst::RasterIterator< T >::operator[] ( const unsigned int i ) const

Returns the value in current position (column, row, band) from iterator.

Parameters

i	The band index.

Returns: The pixel value in current position.

Definition at line 185 of file RasterIterator.h.

Member Data Documentation

template<class T>

std::vector<unsigned int> te::rst::RasterIterator< T >::m_b

private

The vector of bands to iterate.

Definition at line 146 of file RasterIterator.h.

Referenced by te::rst::RasterIterator< T >::operator=(), and te::rst::RasterIterator< T >::RasterIterator().

template<class T>

std::vector<BandIterator<T> > te::rst::RasterIterator< T >::m_it

private

The vector of band iterators.

Definition at line 148 of file RasterIterator.h.

Referenced by te::rst::RasterIterator< T >::end(), te::rst::RasterIterator< T >::operator!=(), te::rst::RasterIterator< T >::operator=(), and te::rst::RasterIterator< T >::RasterIterator().

template<class T>

Raster* te::rst::RasterIterator< T >::m_raster

private

The raster from where to get the values.

Definition at line 147 of file RasterIterator.h.

Referenced by te::rst::RasterIterator< T >::operator=().

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

/home/castejon/castejon_files/develop/terralib5/git_master/terralib5/src/terralib/raster/RasterIterator.h

Public Member Functions

Static Public Member Functions

Private Attributes

Detailed Description

template<class T> class te::rst::RasterIterator< T >

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation

template<class T>
class te::rst::RasterIterator< T >