te::rst::AbstractPositionIterator< T > Class Template Reference

This class is the base for implementing ways to navigate over the band with spatial restriction, e.g. through a line, inside a bounding box or polygon, etc. More...

#include <PositionIterator.h>

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

Public Member Functions
	AbstractPositionIterator ()
	Constructor. More...
	AbstractPositionIterator (const te::rst::Raster *r)
	Constructor. More...
	AbstractPositionIterator (const AbstractPositionIterator &rhs)
	Copy constructor. More...
virtual unsigned int	getColumn () const =0
	Returns the current column in iterator. More...
virtual unsigned int	getRow () const =0
	Returns the current row in iterator. More...
virtual bool	operator!= (const AbstractPositionIterator &rhs) const
	Difference operator. More...
virtual const std::vector< T >	operator* () const =0
	Returns a vector of the values in current position (column, row) from iterator. More...
virtual void	operator++ ()=0
	Advances to the next position. More...
virtual void	operator-- ()=0
	Returns to the previous position. More...
AbstractPositionIterator &	operator= (const AbstractPositionIterator &rhs)
	Assignment operator. More...
virtual T	operator[] (const unsigned int i) const =0
	Returns the value in current position (column, row, band) from iterator. More...
virtual void	setEnd ()=0
	Sets the iterator position to the end of the current band. More...
	~AbstractPositionIterator ()
	Destructor. More...

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

Detailed Description

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

This class is the base for implementing ways to navigate over the band with spatial restriction, e.g. through a line, inside a bounding box or polygon, etc.

Definition at line 56 of file PositionIterator.h.

Constructor & Destructor Documentation

template<class T >

te::rst::AbstractPositionIterator< T >::AbstractPositionIterator

(

)

Constructor.

Definition at line 344 of file PositionIterator.h.

template<class T >

te::rst::AbstractPositionIterator< T >::AbstractPositionIterator

(

const te::rst::Raster *

r

)

Constructor.

Parameters

b	The band to iterate.

Definition at line 349 of file PositionIterator.h.

template<class T >

te::rst::AbstractPositionIterator< T >::AbstractPositionIterator

(

const AbstractPositionIterator< T > &

rhs

)

Copy constructor.

Parameters

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

Definition at line 354 of file PositionIterator.h.

template<class T >

te::rst::AbstractPositionIterator< T >::~AbstractPositionIterator

(

)

Destructor.

Definition at line 359 of file PositionIterator.h.

Member Function Documentation

template<class T>

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

pure virtual

Returns the current column in iterator.

Implemented in te::rst::PointSetIterator< T >, te::rst::LineIterator< T >, and te::rst::PolygonIterator< T >.

template<class T>

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

pure virtual

Returns the current row in iterator.

Implemented in te::rst::PointSetIterator< T >, te::rst::LineIterator< T >, and te::rst::PolygonIterator< T >.

template<class T >

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

virtual

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 371 of file PositionIterator.h.

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

template<class T>

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

pure virtual

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

Implemented in te::rst::PointSetIterator< T >, te::rst::LineIterator< T >, and te::rst::PolygonIterator< T >.

template<class T>

virtual void te::rst::AbstractPositionIterator< T >::operator++ ( )

pure virtual

Advances to the next position.

Implemented in te::rst::PointSetIterator< T >, te::rst::LineIterator< T >, and te::rst::PolygonIterator< T >.

template<class T>

virtual void te::rst::AbstractPositionIterator< T >::operator-- ( )

pure virtual

Returns to the previous position.

Implemented in te::rst::PointSetIterator< T >, te::rst::LineIterator< T >, and te::rst::PolygonIterator< T >.

template<class T >

te::rst::AbstractPositionIterator< T > & te::rst::AbstractPositionIterator< T >::operator=

(

const AbstractPositionIterator< T > &

rhs

)

Assignment operator.

Parameters

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

Returns

A reference to this object.

Definition at line 363 of file PositionIterator.h.

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

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

template<class T>

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

pure virtual

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

Parameters

i	The band index.

Returns

The pixel value in current position.

Implemented in te::rst::PointSetIterator< T >, te::rst::LineIterator< T >, and te::rst::PolygonIterator< T >.

template<class T>

virtual void te::rst::AbstractPositionIterator< T >::setEnd ( )

pure virtual

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

Parameters

b	The band to retrieve the end information.

Implemented in te::rst::PointSetIterator< T >, te::rst::LineIterator< T >, and te::rst::PolygonIterator< T >.

Member Data Documentation

template<class T>

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

protected

The band from where to get the values.

Definition at line 131 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().

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

• /home/castejon/castejon_files/develop/terralib5/git/src/terralib/raster/PositionIterator.h