I/O Functions for the Well-Known Text (WKT) File Format.

Functions
template<typename Point >
bool	CGAL::IO::read_point_WKT (std::istream &in, Point &point)
	fills a `Point` from a WKT stream.

template<typename MultiPoint >
bool	CGAL::IO::read_multi_point_WKT (std::istream &in, MultiPoint &mp)
	overwrites the content of a `MultiPoint` with the first line starting with MULTIPOINT in the stream.

template<typename LineString >
bool	CGAL::IO::read_linestring_WKT (std::istream &in, LineString &polyline)
	fills a `Linestring` from a WKT stream.

template<typename MultiLineString >
bool	CGAL::IO::read_multi_linestring_WKT (std::istream &in, MultiLineString &mls)
	overwrites the content of a `MultiLineString` with the first line starting with MULTILINESTRING in the stream.

template<typename Polygon >
bool	CGAL::IO::read_polygon_WKT (std::istream &in, Polygon &polygon)
	fills `polygon` from a WKT stream.

template<typename MultiPolygon >
bool	CGAL::IO::read_multi_polygon_WKT (std::istream &in, MultiPolygon &polygons)
	overwrites the content of a `MultiPolygon` with the first line starting with MULTIPOLYGON in the stream.

template<typename Point >
std::ostream &	CGAL::IO::write_point_WKT (std::ostream &out, const Point &point)
	writes `point` into a WKT stream.

template<typename Polygon >
std::ostream &	CGAL::IO::write_polygon_WKT (std::ostream &out, const Polygon &poly)
	writes `poly` into a WKT stream.

template<typename LineString >
std::ostream &	CGAL::IO::write_linestring_WKT (std::ostream &out, LineString ls)
	writes the content of `ls` into a WKT stream.

template<typename MultiPoint >
std::ostream &	CGAL::IO::write_multi_point_WKT (std::ostream &out, MultiPoint &mp)
	writes the content of `mp` into a WKT stream.

template<typename MultiPolygon >
std::ostream &	CGAL::IO::write_multi_polygon_WKT (std::ostream &out, MultiPolygon &polygons)
	writes the content of `polygons` into a WKT stream.

template<typename MultiLineString >
std::ostream &	CGAL::IO::write_multi_linestring_WKT (std::ostream &out, MultiLineString &mls)
	writes the content of `mls` into a WKT stream.

template<typename MultiPoint , typename MultiLineString , typename MultiPolygon >
bool	CGAL::IO::read_WKT (std::istream &is, MultiPoint &points, MultiLineString &polylines, MultiPolygon &polygons)
	reads the content of a WKT stream and fills `points`, `polylines` and `polygons` with all the POINT, MULTIPOINT, LINESTRING, MULTILINESTRING, POLYGON and MULTIPOLYGON it finds in `input`.

Function Documentation

◆ read_linestring_WKT()

template<typename LineString >

bool CGAL::IO::read_linestring_WKT	(	std::istream &	in,
		LineString &	polyline
	)

#include <CGAL/IO/WKT.h>

fills a Linestring from a WKT stream.

The first line starting with LINESTRING in the stream will be used.

Template Parameters

Linestring

must be a model of RandomAccessRange of CGAL::Point_2, and have:

a function push_back() that takes a CGAL::Point_2.
a function clear(),
a function resize() that takes an size_type
an operator[]() that takes a size_type.

Attention: Only Cartesian Kernels with double or float as FT are supported.

See also: CGAL::Point_2

Examples: Stream_support/Linestring_WKT.cpp.

◆ read_multi_linestring_WKT()

template<typename MultiLineString >

bool CGAL::IO::read_multi_linestring_WKT	(	std::istream &	in,
		MultiLineString &	mls
	)

#include <CGAL/IO/WKT.h>

overwrites the content of a MultiLineString with the first line starting with MULTILINESTRING in the stream.

Template Parameters

MultiLineString

must be a model of RandomAccessRange of Linestring, and have:

a function push_back() that takes a Linestring,
a function clear(),
a function resize() that takes an size_type
an operator[]() that takes a size_type.

Attention: Only Cartesian Kernels with double or float as FT are supported.

See also: CGAL::Point_2

Examples: Stream_support/Linestring_WKT.cpp.

◆ read_multi_point_WKT()

template<typename MultiPoint >

bool CGAL::IO::read_multi_point_WKT	(	std::istream &	in,
		MultiPoint &	mp
	)

#include <CGAL/IO/WKT.h>

overwrites the content of a MultiPoint with the first line starting with MULTIPOINT in the stream.

Template Parameters

MultiPoint

must be a model of RandomAccessRange of CGAL::Point_2 or CGAL::Point_3, and have:

a function push_back() that takes the same point type,
a function clear(),
a function resize() that takes an size_type
an operator[]() that takes a size_type.

Attention: Only Cartesian Kernels with double or float as FT are supported.

See also: CGAL::Point_2; CGAL::Point_3

Examples: Stream_support/Point_WKT.cpp.

◆ read_multi_polygon_WKT()

template<typename MultiPolygon >

bool CGAL::IO::read_multi_polygon_WKT	(	std::istream &	in,
		MultiPolygon &	polygons
	)

#include <CGAL/IO/WKT.h>

overwrites the content of a MultiPolygon with the first line starting with MULTIPOLYGON in the stream.

Template Parameters

MultiPolygon

must be a model of RandomAccessRange of CGAL::General_polygon_with_holes_2, and have:

a function push_back() that takes a CGAL::General_polygon_with_holes_2,
a function clear(),
a function resize() that takes an size_type
an operator[]() that takes a size_type.

Attention: Only Cartesian Kernels with double or float as FT are supported.

See also: CGAL::General_polygon_with_holes_2

Examples: Stream_support/Polygon_WKT.cpp.

◆ read_point_WKT()

template<typename Point >

bool CGAL::IO::read_point_WKT	(	std::istream &	in,
		Point &	point
	)

#include <CGAL/IO/WKT.h>

fills a Point from a WKT stream.

The first line starting with POINT in the stream will be used.

Template Parameters

Point can be a CGAL::Point_2 or CGAL::Point_3.

Attention: Only Cartesian Kernels with double or float as FT are supported.

See also: CGAL::Point_2; CGAL::Point_3

◆ read_polygon_WKT()

template<typename Polygon >

bool CGAL::IO::read_polygon_WKT	(	std::istream &	in,
		Polygon &	polygon
	)

#include <CGAL/IO/WKT.h>

fills polygon from a WKT stream.

The first line starting with POLYGON in the stream will be used.

Template Parameters

Polygon is a CGAL::General_polygon_with_holes_2.

Attention: Only Cartesian Kernels with double or float as FT are supported.

See also: CGAL::General_polygon_with_holes_2

Examples: Stream_support/Polygon_WKT.cpp.

◆ read_WKT()

template<typename MultiPoint , typename MultiLineString , typename MultiPolygon >

bool CGAL::IO::read_WKT	(	std::istream &	is,
		MultiPoint &	points,
		MultiLineString &	polylines,
		MultiPolygon &	polygons
	)

#include <CGAL/IO/WKT.h>

reads the content of a WKT stream and fills points, polylines and polygons with all the POINT, MULTIPOINT, LINESTRING, MULTILINESTRING, POLYGON and MULTIPOLYGON it finds in input.

Template Parameters

MultiPoint	must be a model of `RandomAccessRange` of `CGAL::Point_2` or `CGAL::Point_3`.
MultiLineString	must be a `RandomAccessRange` of `Linestring`.
MultiPolygon	must be a model of `RandomAccessRange` of `CGAL::General_polygon_with_holes_2`.

Attention: Only Cartesian Kernels with double or float as FT are supported.

See also: CGAL::IO::read_linestring_WKT()

◆ write_linestring_WKT()

template<typename LineString >

std::ostream & CGAL::IO::write_linestring_WKT	(	std::ostream &	out,
		LineString	ls
	)

#include <CGAL/IO/WKT.h>

writes the content of ls into a WKT stream.

Template Parameters

LineString must be a RandomAccessRange of CGAL::Point_2.

Attention: Only Cartesian Kernels with double or float as FT are supported.

See also: CGAL::Point_2

◆ write_multi_linestring_WKT()

template<typename MultiLineString >

std::ostream & CGAL::IO::write_multi_linestring_WKT	(	std::ostream &	out,
		MultiLineString &	mls
	)

#include <CGAL/IO/WKT.h>

writes the content of mls into a WKT stream.

Template Parameters

MultiLineString must be a RandomAccessRange of LineString.

Attention: Only Cartesian Kernels with double or float as FT are supported.

See also: CGAL::IO::write_linestring_WKT()

◆ write_multi_point_WKT()

template<typename MultiPoint >

std::ostream & CGAL::IO::write_multi_point_WKT	(	std::ostream &	out,
		MultiPoint &	mp
	)

#include <CGAL/IO/WKT.h>

writes the content of mp into a WKT stream.

Template Parameters

MultiPoint must be a RandomAccessRange of CGAL::Point_2.

Attention: Only Cartesian Kernels with double or float as FT are supported.

See also: CGAL::Point_2

◆ write_multi_polygon_WKT()

template<typename MultiPolygon >

std::ostream & CGAL::IO::write_multi_polygon_WKT	(	std::ostream &	out,
		MultiPolygon &	polygons
	)

#include <CGAL/IO/WKT.h>

writes the content of polygons into a WKT stream.

Template Parameters

MultiPolygon must be a RandomAccessRange of CGAL::General_polygon_with_holes_2.

Attention: Only Cartesian Kernels with double or float as FT are supported.

See also: CGAL::General_polygon_with_holes_2

◆ write_point_WKT()

template<typename Point >

std::ostream & CGAL::IO::write_point_WKT	(	std::ostream &	out,
		const Point &	point
	)

#include <CGAL/IO/WKT.h>

writes point into a WKT stream.

Template Parameters

Point is a CGAL::Point_2

Attention: Only Cartesian Kernels with double or float as FT are supported.

See also: CGAL::Point_2

◆ write_polygon_WKT()

template<typename Polygon >

std::ostream & CGAL::IO::write_polygon_WKT	(	std::ostream &	out,
		const Polygon &	poly
	)

#include <CGAL/IO/WKT.h>

writes poly into a WKT stream.

Template Parameters

Polygon must be a CGAL::General_polygon_with_holes_2

Attention: Only Cartesian Kernels with double or float as FT are supported.

See also: CGAL::General_polygon_with_holes_2