This class implements the strategy to iterate with spatial restriction, the iteration occurs inside a polygon. More...

#include <PositionIterator.h>

Inheritance diagram for te::rst::PolygonIterator< T >:

Public Member Functions
std::vector< te::gm::LineString * >	decompose (te::gm::Geometry *g)
	Decomponse one geometry collection in a vector of basic components (line, point). More...

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

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

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

bool	operator!= (const PolygonIterator< T > &rhs) const

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

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

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

PolygonIterator &	operator= (const PolygonIterator &rhs)

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

	PolygonIterator ()

	PolygonIterator (const te::rst::Raster r, const te::gm::Polygon p)
	Constructor. More...

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

void	setEnd ()
	Sets the iterator position to the end of the current band. More...

void	setNextLine (bool updatecurrline=true)

	~PolygonIterator ()

Static Public Member Functions
static PolygonIterator	begin (const te::rst::Raster r, const te::gm::Polygon p)
	Returns an iterator referring to the first value of the band. More...

static PolygonIterator	end (const te::rst::Raster r, const te::gm::Polygon p)
	Returns an iterator referring to after the end of the iterator. More...

Protected Attributes
int	m_actualintersection
	The actual line of the iterator. More...

int	m_column
	The current column of the iterator. More...

te::gm::Line *	m_currline
	The current line in the iterator. More...

int	m_endingcolumn
	The column (in current line) to finalize the iteration. More...

int	m_endingrow
	The ending row of the iteration. More...

std::vector< te::gm::LineString * >	m_intersections
	The points or lines of the intersection between the geometry and the current line. More...

int	m_maxcolumns
	The number of columns in band. More...

int	m_maxrows
	The number of rows in band. More...

int	m_nintersections
	The number number of intersected lines in current line of the iterator. More...

const te::gm::Polygon *	m_polygon
	The spatial restriction to be applied in the iterator. More...

const te::rst::Raster *	m_raster
	The band from where to get the values. More...

int	m_row
	The current row of the iterator. More...

int	m_startingcolumn
	The starting column (in current line) to initialize the iteration. More...

int	m_startingrow
	The starting row of the iteration. More...

Detailed Description

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

This class implements the strategy to iterate with spatial restriction, the iteration occurs inside a polygon.

Definition at line 144 of file PositionIterator.h.

Constructor & Destructor Documentation

template<class T >

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

Definition at line 379 of file PositionIterator.h.

template<class T >

te::rst::PolygonIterator< T >::PolygonIterator	(	const te::rst::Raster *	r,
		const te::gm::Polygon *	p
	)

Constructor.

Parameters

b	The band to iterate.
p	The polygon from where the iteration will navigate.

Note: Both raster and polygon must have the same SRID.

Definition at line 397 of file PositionIterator.h.

template<class T >

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

Copy constructor.

Parameters

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

Definition at line 450 of file PositionIterator.h.

template<class T >

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

Definition at line 468 of file PositionIterator.h.

Member Function Documentation

template<class T >

te::rst::PolygonIterator< T > te::rst::PolygonIterator< T >::begin	(	const te::rst::Raster *	r,
		const te::gm::Polygon *	p
	)

static

Returns an iterator referring to the first value of the band.

Definition at line 746 of file PositionIterator.h.

Referenced by te::rst::CropRaster(), te::rp::ClassifierISOSegStrategy::execute(), te::qt::widgets::ClippingWizard::executeLayerClipping(), te::st::RasterCoverage::getDouble(), te::st::RasterCoverage::getInt(), te::qt::widgets::ClassifierWizardPage::getMAPSamples(), te::qt::widgets::ClassifierWizardPage::getSAMSamples(), te::st::RasterCoverage::getValue(), te::rp::RasterAttributes::getValuesFromBand(), te::rp::RasterAttributes::getValuesFromRaster(), te::rst::Raster::rasterize(), and te::attributefill::VectorToRaster::run().

template<class T >

std::vector< te::gm::LineString * > te::rst::PolygonIterator< T >::decompose ( te::gm::Geometry * g )

Decomponse one geometry collection in a vector of basic components (line, point).

Parameters

g	The input geometry collection.

Returns: A vector of geometries.

Definition at line 473 of file PositionIterator.h.

References te::gm::GeometryCollectionType, te::gm::GeometryCollection::getGeometryN(), te::gm::Geometry::getGeomTypeId(), te::gm::GeometryCollection::getNumGeometries(), te::gm::Geometry::getSRID(), te::gm::Point::getX(), te::gm::Point::getY(), te::gm::LineStringType, te::gm::MultiLineStringType, te::gm::MultiPointType, te::gm::PointType, te::gm::LineString::setX(), te::gm::LineString::setY(), and te::gm::Geometry::toString().

template<class T >

te::rst::PolygonIterator< T > te::rst::PolygonIterator< T >::end	(	const te::rst::Raster *	r,
		const te::gm::Polygon *	p
	)

static

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

Definition at line 751 of file PositionIterator.h.

References te::rst::PolygonIterator< T >::setEnd().

Referenced by te::rst::CropRaster(), te::rp::ClassifierISOSegStrategy::execute(), te::qt::widgets::ClippingWizard::executeLayerClipping(), te::st::RasterCoverage::getDouble(), te::st::RasterCoverage::getInt(), te::qt::widgets::ClassifierWizardPage::getMAPSamples(), te::qt::widgets::ClassifierWizardPage::getSAMSamples(), te::st::RasterCoverage::getValue(), te::rp::RasterAttributes::getValuesFromBand(), te::rp::RasterAttributes::getValuesFromRaster(), te::rst::Raster::rasterize(), and te::attributefill::VectorToRaster::run().

template<class T >

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

virtual

Returns the current column in iterator.

Implements te::rst::AbstractPositionIterator< T >.

Definition at line 674 of file PositionIterator.h.

Referenced by te::rst::CropRaster(), te::rp::ClassifierISOSegStrategy::execute(), te::qt::widgets::ClippingWizard::executeLayerClipping(), te::qt::widgets::ClassifierWizardPage::getMAPSamples(), te::qt::widgets::ClassifierWizardPage::getSAMSamples(), te::rp::RasterAttributes::getValuesFromRaster(), te::rst::Raster::rasterize(), and te::attributefill::VectorToRaster::run().

template<class T >

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

virtual

Returns the current row in iterator.

Implements te::rst::AbstractPositionIterator< T >.

Definition at line 669 of file PositionIterator.h.

Referenced by te::rst::CropRaster(), te::rp::ClassifierISOSegStrategy::execute(), te::qt::widgets::ClippingWizard::executeLayerClipping(), te::qt::widgets::ClassifierWizardPage::getMAPSamples(), te::qt::widgets::ClassifierWizardPage::getSAMSamples(), te::rp::RasterAttributes::getValuesFromRaster(), te::rst::Raster::rasterize(), and te::attributefill::VectorToRaster::run().

template<class T >

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

virtualinherited

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 373 of file PositionIterator.h.

References te::rst::AbstractPositionIterator< T >::m_raster.

template<class T >

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

Definition at line 760 of file PositionIterator.h.

References te::rst::PolygonIterator< T >::m_column, and te::rst::PolygonIterator< T >::m_row.

template<class T >

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

virtual

Returns a vector of the values in current position (column, row) from iterator.

Implements te::rst::AbstractPositionIterator< T >.

Definition at line 646 of file PositionIterator.h.

template<class T >

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

virtual

Advances to the next position.

Implements te::rst::AbstractPositionIterator< T >.

Definition at line 679 of file PositionIterator.h.

template<class T >

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

virtual

Returns to the previous position.

Implements te::rst::AbstractPositionIterator< T >.

Definition at line 703 of file PositionIterator.h.

template<class T >

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

Definition at line 727 of file PositionIterator.h.

References te::rst::PolygonIterator< T >::m_polygon, and te::rst::AbstractPositionIterator< T >::operator=().

template<class T >

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

virtual

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

Parameters

i	The band index.

Returns: The pixel value in current position.

Implements te::rst::AbstractPositionIterator< T >.

Definition at line 660 of file PositionIterator.h.

template<class T >

void te::rst::PolygonIterator< T >::setEnd ( )

virtual

Sets the iterator position to the end of the current band.

Parameters

b	The band to retrieve the end information.

Implements te::rst::AbstractPositionIterator< T >.

Definition at line 739 of file PositionIterator.h.

Referenced by te::rst::PolygonIterator< T >::end().

template<class T >

void te::rst::PolygonIterator< T >::setNextLine ( bool updatecurrline = true )

Definition at line 558 of file PositionIterator.h.

References te::gm::GeometryCollection::add(), te::gm::LineString::getEndPoint(), te::gm::Geometry::getGeomTypeId(), te::gm::Geometry::getSRID(), te::gm::LineString::getStartPoint(), te::gm::Point::getX(), te::gm::Point::getY(), te::gm::Geometry::intersection(), and te::gm::Geometry::isEmpty().

Referenced by te::rst::PolygonIterator< T >::PolygonIterator().

Member Data Documentation

template<class T>

int te::rst::PolygonIterator< T >::m_actualintersection

protected

The actual line of the iterator.

Definition at line 216 of file PositionIterator.h.

template<class T>

int te::rst::PolygonIterator< T >::m_column

protected

The current column of the iterator.

Definition at line 208 of file PositionIterator.h.

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

template<class T>

te::gm::Line* te::rst::PolygonIterator< T >::m_currline

protected

The current line in the iterator.

Definition at line 207 of file PositionIterator.h.

Referenced by te::rst::PolygonIterator< T >::PolygonIterator().

template<class T>

int te::rst::PolygonIterator< T >::m_endingcolumn

protected

The column (in current line) to finalize the iteration.

Definition at line 211 of file PositionIterator.h.

Referenced by te::rst::PolygonIterator< T >::PolygonIterator().

template<class T>

int te::rst::PolygonIterator< T >::m_endingrow

protected

The ending row of the iteration.

Definition at line 213 of file PositionIterator.h.

Referenced by te::rst::PolygonIterator< T >::PolygonIterator().

template<class T>

std::vector<te::gm::LineString*> te::rst::PolygonIterator< T >::m_intersections

protected

The points or lines of the intersection between the geometry and the current line.

Definition at line 206 of file PositionIterator.h.

template<class T>

int te::rst::PolygonIterator< T >::m_maxcolumns

protected

The number of columns in band.

Definition at line 214 of file PositionIterator.h.

Referenced by te::rst::PolygonIterator< T >::PolygonIterator().

template<class T>

int te::rst::PolygonIterator< T >::m_maxrows

protected

The number of rows in band.

Definition at line 215 of file PositionIterator.h.

Referenced by te::rst::PolygonIterator< T >::PolygonIterator().

template<class T>

int te::rst::PolygonIterator< T >::m_nintersections

protected

The number number of intersected lines in current line of the iterator.

Definition at line 217 of file PositionIterator.h.

template<class T>

const te::gm::Polygon* te::rst::PolygonIterator< T >::m_polygon

protected

The spatial restriction to be applied in the iterator.

Definition at line 205 of file PositionIterator.h.

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

template<class T>

const te::rst::Raster* te::rst::AbstractPositionIterator< T >::m_raster

protectedinherited

The band from where to get the values.

Definition at line 132 of file PositionIterator.h.

Referenced by te::rst::LineIterator< T >::LineIterator(), te::rst::AbstractPositionIterator< T >::operator!=(), te::rst::AbstractPositionIterator< T >::operator=(), and te::rst::PointSetIterator< T >::PointSetIterator().

template<class T>

int te::rst::PolygonIterator< T >::m_row

protected

The current row of the iterator.

Definition at line 209 of file PositionIterator.h.

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

template<class T>

int te::rst::PolygonIterator< T >::m_startingcolumn

protected

The starting column (in current line) to initialize the iteration.

Definition at line 210 of file PositionIterator.h.

Referenced by te::rst::PolygonIterator< T >::PolygonIterator().

template<class T>

int te::rst::PolygonIterator< T >::m_startingrow

protected

The starting row of the iteration.

Definition at line 212 of file PositionIterator.h.

Referenced by te::rst::PolygonIterator< T >::PolygonIterator().

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

C:/TL5_2015_release/terralib5/src/terralib/raster/PositionIterator.h

Public Member Functions

Static Public Member Functions

Protected Attributes

Detailed Description

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

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation

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