The default implementation of CoordinateSequence. More...

#include <CoordinateArraySequence.h>

Inheritance diagram for geos::geom::CoordinateArraySequence:

Collaboration diagram for geos::geom::CoordinateArraySequence:

Public Member Functions
	CoordinateArraySequence (const CoordinateArraySequence &cl)

	CoordinateArraySequence (const CoordinateSequence &cl)

std::unique_ptr< CoordinateSequence >	clone () const override
	Returns a deep copy of this collection. More...

const Coordinate &	getAt (std::size_t pos) const override
	Returns a read-only reference to Coordinate at position i. More...

void	getAt (std::size_t i, Coordinate &c) const override
	Copy Coordinate at position i to Coordinate c. More...

size_t	getSize () const override
	Returns the number of Coordinates (actual or otherwise, as this implementation may not store its data in Coordinate objects). More...

void	toVector (std::vector< Coordinate > &) const override

	CoordinateArraySequence ()
	Construct an empty sequence. More...

	CoordinateArraySequence (std::vector< Coordinate > &&coords, std::size_t dimension=0)
	Construct sequence moving from given Coordinate vector. More...

	CoordinateArraySequence (std::vector< Coordinate > *coords, std::size_t dimension=0)
	Construct sequence taking ownership of given Coordinate vector. More...

	CoordinateArraySequence (std::size_t n, std::size_t dimension=0)
	Construct sequence allocating space for n coordinates. More...

	~CoordinateArraySequence () override=default

bool	isEmpty () const override
	Returns `true` it list contains no coordinates. More...

bool	empty () const

void	clear ()
	Reset this CoordinateArraySequence to the empty state. More...

void	add (const Coordinate &c)
	Add a Coordinate to the list. More...

void	add (const Coordinate &c, bool allowRepeated)
	Add a coordinate. More...

void	add (std::size_t i, const Coordinate &coord, bool allowRepeated)
	Inserts the specified coordinate at the specified position in this list. More...

void	add (const CoordinateSequence *cl, bool allowRepeated, bool direction)

void	setAt (const Coordinate &c, std::size_t pos) override
	Copy Coordinate c to position pos. More...

void	setPoints (const std::vector< Coordinate > &v) override
	Substitute Coordinate list with a copy of the given vector. More...

void	setOrdinate (std::size_t index, std::size_t ordinateIndex, double value) override

void	expandEnvelope (Envelope &env) const override

std::size_t	getDimension () const override

void	apply_rw (const CoordinateFilter *filter) override

void	apply_ro (CoordinateFilter *filter) const override

Public Member Functions inherited from geos::geom::CoordinateSequence
virtual	~CoordinateSequence ()

const Coordinate &	back () const
	Return last Coordinate in the sequence. More...

const Coordinate &	front () const
	Return first Coordinate in the sequence. More...

const Coordinate &	operator[] (std::size_t i) const

virtual Envelope	getEnvelope () const

size_t	size () const

std::string	toString () const
	Get a string representation of CoordinateSequence. More...

bool	hasRepeatedPoints () const
	Returns true if contains any two consecutive points. More...

const Coordinate *	minCoordinate () const
	Returns lower-left Coordinate in list. More...

bool	hasZ () const

virtual double	getOrdinate (std::size_t index, std::size_t ordinateIndex) const

virtual double	getX (std::size_t index) const

virtual double	getY (std::size_t index) const

template<class T >
void	applyCoordinateFilter (T &f)
	Apply a filter to each Coordinate of this sequence. The filter is expected to provide a .filter(Coordinate&) method. More...

Private Attributes
std::vector< Coordinate >	vect

std::size_t	dimension

Additional Inherited Members
Public Types inherited from geos::geom::CoordinateSequence
enum	{ X, Y, Z, M }
	Standard ordinate index values. More...

typedef std::unique_ptr< CoordinateSequence >	Ptr

Static Public Member Functions inherited from geos::geom::CoordinateSequence
static bool	hasRepeatedPoints (const CoordinateSequence *cl)
	Returns true if given CoordinateSequence contains any two consecutive Coordinate. More...

static CoordinateSequence *	atLeastNCoordinatesOrNothing (std::size_t n, CoordinateSequence *c)
	Returns either the given CoordinateSequence if its length is greater than the given amount, or an empty CoordinateSequence. More...

static size_t	indexOf (const Coordinate coordinate, const CoordinateSequence cl)

static bool	equals (const CoordinateSequence cl1, const CoordinateSequence cl2)
	Returns true if the two arrays are identical, both null, or pointwise equal. More...

static void	scroll (CoordinateSequence cl, const Coordinate firstCoordinate)
	Scroll given CoordinateSequence so to start with given Coordinate. More...

static int	increasingDirection (const CoordinateSequence &pts)
	Determines which orientation of the Coordinate array is (overall) increasing. More...

static bool	isRing (const CoordinateSequence *pts)
	Tests whether an array of Coordinates forms a ring, by checking length and closure. Self-intersection is not checked. More...

static void	reverse (CoordinateSequence *cl)
	Reverse Coordinate order in given CoordinateSequence. More...

Protected Member Functions inherited from geos::geom::CoordinateSequence
	CoordinateSequence ()

	CoordinateSequence (const CoordinateSequence &)

Detailed Description

The default implementation of CoordinateSequence.

Definition at line 37 of file CoordinateArraySequence.h.

Constructor & Destructor Documentation

geos::geom::CoordinateArraySequence::CoordinateArraySequence ( const CoordinateArraySequence & cl )

geos::geom::CoordinateArraySequence::CoordinateArraySequence ( const CoordinateSequence & cl )

geos::geom::CoordinateArraySequence::CoordinateArraySequence ( )

Construct an empty sequence.

geos::geom::CoordinateArraySequence::CoordinateArraySequence	(	std::vector< Coordinate > &&	coords,
		std::size_t	dimension = `0`
	)

Construct sequence moving from given Coordinate vector.

geos::geom::CoordinateArraySequence::CoordinateArraySequence	(	std::vector< Coordinate > *	coords,
		std::size_t	dimension = `0`
	)

Construct sequence taking ownership of given Coordinate vector.

geos::geom::CoordinateArraySequence::CoordinateArraySequence	(	std::size_t	n,
		std::size_t	dimension = `0`
	)

Construct sequence allocating space for n coordinates.

geos::geom::CoordinateArraySequence::~CoordinateArraySequence ( )

overridedefault

Member Function Documentation

void geos::geom::CoordinateArraySequence::add ( const Coordinate & c )

Add a Coordinate to the list.

Referenced by geos::operation::buffer::OffsetSegmentString::addPt(), and geos::operation::buffer::OffsetSegmentString::closeRing().

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void geos::geom::CoordinateArraySequence::add	(	const Coordinate &	c,
		bool	allowRepeated
	)

Add a coordinate.

Parameters

c	the coordinate to add
allowRepeated	if set to false, repeated coordinates are collapsed

void geos::geom::CoordinateArraySequence::add	(	std::size_t	i,
		const Coordinate &	coord,
		bool	allowRepeated
	)

Inserts the specified coordinate at the specified position in this list.

Parameters

i	the position at which to insert
coord	the coordinate to insert
allowRepeated	if set to false, repeated coordinates are collapsed

Note: this is a CoordinateList interface in JTS

void geos::geom::CoordinateArraySequence::add	(	const CoordinateSequence *	cl,
		bool	allowRepeated,
		bool	direction
	)

void geos::geom::CoordinateArraySequence::apply_ro ( CoordinateFilter * filter ) const

overridevirtual

Implements geos::geom::CoordinateSequence.

void geos::geom::CoordinateArraySequence::apply_rw ( const CoordinateFilter * filter )

overridevirtual

Implements geos::geom::CoordinateSequence.

void geos::geom::CoordinateArraySequence::clear ( )

inline

Reset this CoordinateArraySequence to the empty state.

Definition at line 86 of file CoordinateArraySequence.h.

Referenced by geos::operation::buffer::OffsetSegmentString::reset().

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std::unique_ptr<CoordinateSequence> geos::geom::CoordinateArraySequence::clone ( ) const

overridevirtual

Returns a deep copy of this collection.

Implements geos::geom::CoordinateSequence.

bool geos::geom::CoordinateArraySequence::empty ( ) const

inline

Definition at line 79 of file CoordinateArraySequence.h.

void geos::geom::CoordinateArraySequence::expandEnvelope ( Envelope & env ) const

overridevirtual

Expands the given Envelope to include the coordinates in the sequence. Allows implementing classes to optimize access to coordinate values.

Parameters

env	the envelope to expand

Reimplemented from geos::geom::CoordinateSequence.

const Coordinate& geos::geom::CoordinateArraySequence::getAt ( std::size_t i ) const

overridevirtual

Returns a read-only reference to Coordinate at position i.

Whether or not the Coordinate returned is the actual underlying Coordinate or merely a copy depends on the implementation.

Implements geos::geom::CoordinateSequence.

void geos::geom::CoordinateArraySequence::getAt	(	std::size_t	i,
		Coordinate &	c
	)		const

overridevirtual

Copy Coordinate at position i to Coordinate c.

Implements geos::geom::CoordinateSequence.

std::size_t geos::geom::CoordinateArraySequence::getDimension ( ) const

overridevirtual

Returns the dimension (number of ordinates in each coordinate) for this sequence.

Returns: the dimension of the sequence.

Implements geos::geom::CoordinateSequence.

size_t geos::geom::CoordinateArraySequence::getSize ( ) const

overridevirtual

Returns the number of Coordinates (actual or otherwise, as this implementation may not store its data in Coordinate objects).

Implements geos::geom::CoordinateSequence.

bool geos::geom::CoordinateArraySequence::isEmpty ( ) const

inlineoverridevirtual

Returns true it list contains no coordinates.

Implements geos::geom::CoordinateSequence.

Definition at line 73 of file CoordinateArraySequence.h.

void geos::geom::CoordinateArraySequence::setAt	(	const Coordinate &	c,
		std::size_t	pos
	)

overridevirtual

Copy Coordinate c to position pos.

Implements geos::geom::CoordinateSequence.

void geos::geom::CoordinateArraySequence::setOrdinate	(	std::size_t	index,
		std::size_t	ordinateIndex,
		double	value
	)

overridevirtual

Sets the value for a given ordinate of a coordinate in this sequence.

Parameters

index	the coordinate index in the sequence
ordinateIndex	the ordinate index in the coordinate (in range [0, dimension-1])
value	the new ordinate value

Implements geos::geom::CoordinateSequence.

void geos::geom::CoordinateArraySequence::setPoints ( const std::vector< Coordinate > & v )

overridevirtual

Substitute Coordinate list with a copy of the given vector.

Implements geos::geom::CoordinateSequence.

void geos::geom::CoordinateArraySequence::toVector ( std::vector< Coordinate > & coords ) const

overridevirtual

Pushes all Coordinates of this sequence into the provided vector.

This method is a port of the toCoordinateArray() method of JTS.

Implements geos::geom::CoordinateSequence.

Member Data Documentation

std::size_t geos::geom::CoordinateArraySequence::dimension

mutableprivate

Definition at line 134 of file CoordinateArraySequence.h.

std::vector<Coordinate> geos::geom::CoordinateArraySequence::vect

private

Definition at line 133 of file CoordinateArraySequence.h.

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

CoordinateArraySequence.h

Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation