SFCGAL::Triangle Class Reference

[OGC/SFA]Triangle More...

#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...
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...
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...
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

(

)

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()

Triangle * SFCGAL::Triangle::clone ( ) const

virtual

Get a deep copy of the geometry.

Implements SFCGAL::Geometry.

coordinateDimension()

int 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()

std::string SFCGAL::Triangle::geometryType ( ) const

virtual

[OGC/SFA]returns the geometry type

Warning

use CamelCase (LineString, not LINESTRING)

Implements SFCGAL::Geometry.

geometryTypeId()

GeometryType SFCGAL::Triangle::geometryTypeId ( ) const

virtual

Returns a code corresponding to the type.

Warning

not standard

Implements SFCGAL::Geometry.

is3D()

bool SFCGAL::Triangle::is3D ( ) const

virtual

[OGC/SFA]test if geometry is 3d

Precondition

suppose no mix of 2D/3D coordinates

Implements SFCGAL::Geometry.

isEmpty()

bool SFCGAL::Triangle::isEmpty ( ) const

virtual

[OGC/SFA]test if geometry is empty

Implements SFCGAL::Geometry.

isMeasured()

bool 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=()

Triangle & 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()

Polygon 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