SFCGAL: SFCGAL::Triangle Class Reference

#include <Triangle.h>

Inheritance diagram for SFCGAL::Triangle:

Public Member Functions
	Triangle ()
	empty Triangle constructor More...

	Triangle (const Kernel::Triangle_2 &triangle)
	Constructor with a CGAL triangle. More...

	Triangle (const Kernel::Triangle_3 &triangle)
	Constructor with a CGAL triangle. More...

	Triangle (const Point &p, const Point &q, const Point &r)
	constructor with 3 points More...

	Triangle (const Triangle &other)
	copy constructor More...

Triangle &	operator= (const Triangle &other)
	assign operator More...

	~Triangle ()
	destructor More...

virtual Triangle *	clone () const
	Get a deep copy of the geometry. More...

virtual std::string	geometryType () const
	[OGC/SFA]returns the geometry type More...

virtual GeometryType	geometryTypeId () const
	Returns a code corresponding to the type. More...

virtual int	coordinateDimension () const
	[OGC/SFA]returns the dimension of the coordinates More...

virtual bool	isEmpty () const
	[OGC/SFA]test if geometry is empty More...

virtual bool	is3D () const
	[OGC/SFA]test if geometry is 3d More...

virtual bool	isMeasured () const
	[OGC/SFA]test if geometry is measured (has an m) More...

void	reverse ()
	reverse Triangle orientation More...

Polygon	toPolygon () const
	convert a triangle to a polygon More...

const Point &	vertex (const int &i) const
	returns the i-th vertex More...

Point &	vertex (const int &i)
	returns the i-th vertex More...

Kernel::Triangle_2	toTriangle_2 () const
	Convert to CGAL::Triangle_2. More...

Kernel::Triangle_3	toTriangle_3 () const
	Convert to CGAL::Triangle_3. More...

template<int D>
detail::TypeForDimension< D >::Triangle	toTriangle_d () const
	Convert to CGAL::Triangle_2 or CGAL::Triangle_2. More...

virtual void	accept (GeometryVisitor &visitor)
	[visitor]dispatch visitor More...

virtual void	accept (ConstGeometryVisitor &visitor) const
	[visitor]dispatch visitor More...

template<class Archive >
void	serialize (Archive &ar, const unsigned int)
	Serializer. More...

Public Member Functions inherited from SFCGAL::Surface
virtual	~Surface ()
	destructor More...

virtual int	dimension () const
	[OGC/SFA]Dimension of the Geometry ( 0 : punctual, 1 : curve, ...) More...

Public Member Functions inherited from SFCGAL::Geometry
	Geometry ()
	Default constructor. More...

	Geometry (const Geometry &)=default
	Copy constructor. More...

Geometry &	operator= (const Geometry &other)=default
	Copy assignemnt operator. More...

virtual	~Geometry ()=default
	Destructor. More...

virtual Geometry *	clone () const =0
	Get a deep copy of the geometry. More...

virtual std::string	geometryType () const =0
	[OGC/SFA]returns the geometry type More...

virtual GeometryType	geometryTypeId () const =0
	Returns a code corresponding to the type. More...

virtual int	dimension () const =0
	[OGC/SFA]Dimension of the Geometry ( 0 : punctual, 1 : curve, ...) More...

virtual int	coordinateDimension () const =0
	[OGC/SFA]returns the dimension of the coordinates More...

virtual bool	isEmpty () const =0
	[OGC/SFA]test if geometry is empty More...

virtual bool	is3D () const =0
	[OGC/SFA]test if geometry is 3d More...

virtual bool	isMeasured () const =0
	[OGC/SFA]test if geometry is measured (has an m) More...

void	forceValidityFlag (bool validity)
	Force the state of the validity flag. More...

bool	hasValidityFlag () const
	Returns the validity flag. More...

std::string	asText (const int &numDecimals=-1) const
	[OGC/SFA]returns the WKT string More...

Envelope	envelope () const
	[OGC/SFA]Returns a polygon representing the BBOX of the geometry More...

virtual std::unique_ptr< Geometry >	boundary () const
	[OGC/SFA]Returns the boundary of the geometry More...

double	distance (const Geometry &other) const
	Computes the distance to an other geometry. More...

double	distance3D (const Geometry &other) const
	Computes the 3D distance to an other geometry. More...

void	round (const long &scale=1)
	round the geometry with a corresponding scale factor More...

auto	almostEqual (const Geometry &, const double tolerance) const -> bool
	Equality operator. More...

virtual size_t	numGeometries () const
	[OGC/SFA]Gets the number of geometries in a collection of geometries More...

virtual const Geometry &	geometryN (size_t const &n) const
	[OGC/SFA]Returns the n-th geometry More...

virtual Geometry &	geometryN (size_t const &n)
	[OGC/SFA]Returns the n-th geometry More...

template<typename Derived >
bool	is () const
	Tests if geometry is of "Derived" type given as template parameter. More...

template<typename Derived >
const Derived &	as () const
	Downcast to a "Derived" class. More...

template<typename Derived >
Derived &	as ()
	Downcast to a "Derived" class. More...

virtual void	accept (GeometryVisitor &visitor)=0
	[visitor]dispatch visitor More...

virtual void	accept (ConstGeometryVisitor &visitor) const =0
	[visitor]dispatch visitor More...

template<class Archive >
void	serialize (Archive &, const unsigned int)
	Serializer. More...

Additional Inherited Members
Protected Member Functions inherited from SFCGAL::Surface
	Surface ()
	[OGC/SFS]"The area of this Surface, as measured in the spatial reference system of this Surface" More...

	Surface (Surface const &other)
	no copy constructor More...

Protected Attributes inherited from SFCGAL::Geometry
bool	validityFlag_

Detailed Description

[OGC/SFA]Triangle

Warning: According to SFA, a Triangle should be inherited from a Polygon. That means that a triangle "is a" Polygon with hole. This inheritance is removed in order to keep CGAL modeling.; An empty triangle has empty points

Constructor & Destructor Documentation

◆ Triangle() [1/5]

SFCGAL::Triangle::Triangle ( )

empty Triangle constructor

◆ Triangle() [2/5]

SFCGAL::Triangle::Triangle ( const Kernel::Triangle_2 & triangle )

Constructor with a CGAL triangle.

◆ Triangle() [3/5]

SFCGAL::Triangle::Triangle ( const Kernel::Triangle_3 & triangle )

Constructor with a CGAL triangle.

◆ Triangle() [4/5]

SFCGAL::Triangle::Triangle	(	const Point &	p,
		const Point &	q,
		const Point &	r
	)

constructor with 3 points

◆ Triangle() [5/5]

SFCGAL::Triangle::Triangle ( const Triangle & other )

copy constructor

◆ ~Triangle()

SFCGAL::Triangle::~Triangle ( )

default

destructor

Member Function Documentation

◆ accept() [1/2]

void SFCGAL::Triangle::accept ( ConstGeometryVisitor & visitor ) const

virtual

[visitor]dispatch visitor

Implements SFCGAL::Geometry.

◆ accept() [2/2]

void SFCGAL::Triangle::accept ( GeometryVisitor & visitor )

virtual

[visitor]dispatch visitor

Implements SFCGAL::Geometry.

◆ clone()

auto SFCGAL::Triangle::clone ( ) const

virtual

Get a deep copy of the geometry.

Implements SFCGAL::Geometry.

◆ coordinateDimension()

auto SFCGAL::Triangle::coordinateDimension ( ) const

virtual

[OGC/SFA]returns the dimension of the coordinates

Precondition: suppose no mix of 2D/3D coordinates

Implements SFCGAL::Geometry.

◆ geometryType()

auto SFCGAL::Triangle::geometryType ( ) const

virtual

[OGC/SFA]returns the geometry type

Warning: use CamelCase (LineString, not LINESTRING)

Implements SFCGAL::Geometry.

◆ geometryTypeId()

auto SFCGAL::Triangle::geometryTypeId ( ) const

virtual

Returns a code corresponding to the type.

Warning: not standard

Implements SFCGAL::Geometry.

◆ is3D()

auto SFCGAL::Triangle::is3D ( ) const

virtual

[OGC/SFA]test if geometry is 3d

Precondition: suppose no mix of 2D/3D coordinates

Implements SFCGAL::Geometry.

◆ isEmpty()

auto SFCGAL::Triangle::isEmpty ( ) const

virtual

[OGC/SFA]test if geometry is empty

Implements SFCGAL::Geometry.

◆ isMeasured()

auto SFCGAL::Triangle::isMeasured ( ) const

virtual

[OGC/SFA]test if geometry is measured (has an m)

Precondition: suppose no mix of M/!M points

Implements SFCGAL::Geometry.

◆ operator=()

auto SFCGAL::Triangle::operator= ( const Triangle & other )

assign operator

◆ reverse()

void SFCGAL::Triangle::reverse ( )

reverse Triangle orientation

◆ serialize()

template<class Archive >

void SFCGAL::Triangle::serialize	(	Archive &	ar,
		const unsigned int
	)

inline

Serializer.

◆ toPolygon()

auto SFCGAL::Triangle::toPolygon ( ) const

convert a triangle to a polygon

◆ toTriangle_2()

Kernel::Triangle_2 SFCGAL::Triangle::toTriangle_2 ( ) const

inline

Convert to CGAL::Triangle_2.

◆ toTriangle_3()

Kernel::Triangle_3 SFCGAL::Triangle::toTriangle_3 ( ) const

inline

Convert to CGAL::Triangle_3.

◆ toTriangle_d()

template<int D>

detail::TypeForDimension< D >::Triangle SFCGAL::Triangle::toTriangle_d ( ) const

inline

Convert to CGAL::Triangle_2 or CGAL::Triangle_2.

◆ vertex() [1/2]

Point & SFCGAL::Triangle::vertex ( const int & i )

inline

returns the i-th vertex

◆ vertex() [2/2]

const Point & SFCGAL::Triangle::vertex ( const int & i ) const

inline

returns the i-th vertex

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ Triangle() [1/5]

◆ Triangle() [2/5]

◆ Triangle() [3/5]

◆ Triangle() [4/5]

◆ Triangle() [5/5]

◆ ~Triangle()

Member Function Documentation

◆ accept() [1/2]

◆ accept() [2/2]

◆ clone()

◆ coordinateDimension()

◆ geometryType()

◆ geometryTypeId()

◆ is3D()

◆ isEmpty()

◆ isMeasured()

◆ operator=()

◆ reverse()

◆ serialize()

◆ toPolygon()

◆ toTriangle_2()

◆ toTriangle_3()

◆ toTriangle_d()

◆ vertex() [1/2]

◆ vertex() [2/2]