TeRaster::iterator Class Reference

A raster iterator. More...

#include <TeRaster.h>

Inheritance diagram for TeRaster::iterator:

List of all members.

Public Member Functions
	iterator (int c0=0, int l0=0, int nc=0, int nl=0, int nb=0, TeRaster *pt=0)
	Constructor.
virtual	~iterator ()
	Destructor.
virtual void	moveForward ()
	Move iterator forward.
iterator &	operator++ ()
	Prefix move forward operator.
iterator	operator++ (int)
	Posfix move forward operator.
int	currentLine ()
	Returns iterator current line.
int	currentColumn ()
	Returns iterator current column.
int	nBands (void)
	Returns the number of bands.
vector< double >	operator* ()
	Iterator de-referencing operator.
double	operator* (int band)
	Returns the value in a given band of a element pointed by the iterator.
bool	operator== (const iterator &rhs) const
	Returns whether two iterators point to the same element.
bool	operator!= (const iterator &rhs) const
	Returns whether two iterators point to the different elements.
Protected Attributes
int	linCurrent_
int	colCurrent_
int	nLines_
int	nCols_
int	nBands_
TeRaster *	raster_

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Detailed Description

A raster iterator.

An strucuture that allows the traversal over the raster elements (pixels) in a similar way as the STL iterators.

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Constructor & Destructor Documentation

TeRaster::iterator::iterator	(	int	c0 = 0,
		int	l0 = 0,
		int	nc = 0,
		int	nl = 0,
		int	nb = 0,
		TeRaster *	pt = 0
	)		[inline]

Constructor.

Parameters:

c0	initial column
l0	initial line
nc	number of columns
nl	number of lines
nb	number of bands
pt	pointer to the raster to iterate

virtual TeRaster::iterator::~iterator

(

)

[inline, virtual]

Destructor.

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Member Function Documentation

int TeRaster::iterator::currentColumn

(

)

[inline]

Returns iterator current column.

int TeRaster::iterator::currentLine

(

)

[inline]

Returns iterator current line.

void TeRaster::iterator::moveForward

(

)

[virtual]

Move iterator forward.

Reimplemented in TeRaster::iteratorPoly.

int TeRaster::iterator::nBands

(

void

)

[inline]

Returns the number of bands.

bool TeRaster::iterator::operator!=

(

const iterator &

rhs

)

const

Returns whether two iterators point to the different elements.

double TeRaster::iterator::operator*

(

int

band

)

Returns the value in a given band of a element pointed by the iterator.

Reimplemented in TeRaster::iteratorPoly.

vector< double > TeRaster::iterator::operator*

(

)

Iterator de-referencing operator.

Returns:

a vector (with nbands_ size) with the values in each band, of the element pointed by the iterator

Reimplemented in TeRaster::iteratorPoly.

TeRaster::iterator & TeRaster::iterator::operator++

(

)

Prefix move forward operator.

Reimplemented in TeRaster::iteratorPoly.

TeRaster::iterator TeRaster::iterator::operator++

(

int

)

Posfix move forward operator.

Reimplemented in TeRaster::iteratorPoly.

bool TeRaster::iterator::operator==

(

const iterator &

rhs

)

const

Returns whether two iterators point to the same element.

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Member Data Documentation

int TeRaster::iterator::colCurrent_ [protected]

int TeRaster::iterator::linCurrent_ [protected]

int TeRaster::iterator::nBands_ [protected]

int TeRaster::iterator::nCols_ [protected]

int TeRaster::iterator::nLines_ [protected]

TeRaster* TeRaster::iterator::raster_ [protected]

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

• E:/Projetos_Primeiro_Semestre_2012/TerraView/terralib/src/terralib/kernel/TeRaster.h
• E:/Projetos_Primeiro_Semestre_2012/TerraView/terralib/src/terralib/kernel/TeRaster.cpp