SFCGAL::Envelope Class Reference

Represents a bounding box. More...

#include <Envelope.h>

Public Member Functions
	Envelope ()
	default constructor (empty bounding box)
	Envelope (const double &xmin, const double &xmax, const double &ymin, const double &ymax)
	2D box constructor with min,max values
	Envelope (const double &xmin, const double &xmax, const double &ymin, const double &ymax, const double &zmin, const double &zmax)
	3D box constructor with min,max values
	Envelope (const Coordinate &p)
	default constructor (empty bounding box)
	Envelope (const Coordinate &p1, const Coordinate &p2)
	default constructor (empty bounding box)
	Envelope (const Envelope &other)
	copy constructor
Envelope &	operator= (const Envelope &other)
	assign operator
bool	isEmpty () const
	indicates if the bounding box is empty
bool	is3D () const
	indicates if the bounding box has a 3D component
void	expandToInclude (const Coordinate &coordinate)
	expand the box to include coordinate
const double &	xMin () const
const double &	yMin () const
const double &	zMin () const
const double &	xMax () const
const double &	yMax () const
const double &	zMax () const
detail::Interval &	boundsN (const size_t &n)
	returns the n-th bound
const detail::Interval &	boundsN (const size_t &n) const
	returns the n-th bound
CGAL::Bbox_2	toBbox_2 () const
	Convenience function.
CGAL::Bbox_3	toBbox_3 () const
	Convenience function.
std::unique_ptr< LineString >	toRing () const
	convenience method to convert to 2D Polygon ring
std::unique_ptr< Polygon >	toPolygon () const
	convenience method to convert to 2D Polygon
std::unique_ptr< PolyhedralSurface >	toShell () const
	convenience method to convert to 3D Shell
std::unique_ptr< Solid >	toSolid () const
	convenience method to convert to 3D Solid
std::ostream &	print (std::ostream &) const

Static Public Member Functions
static bool	contains (const Envelope &a, const Envelope &b)
	Global binary operator on Envelopes.
static bool	overlaps (const Envelope &a, const Envelope &b)
	Global binary operator on Envelopes.

Detailed Description

Represents a bounding box.

Todo

add asText instead of "print"?

add basic operations (especialy intersects/intersects3D)

Constructor & Destructor Documentation

Envelope() [1/6]

SFCGAL::Envelope::Envelope

(

)

default constructor (empty bounding box)

Envelope() [2/6]

SFCGAL::Envelope::Envelope	(	const double &	xmin,
		const double &	xmax,
		const double &	ymin,
		const double &	ymax )

2D box constructor with min,max values

Envelope() [3/6]

SFCGAL::Envelope::Envelope	(	const double &	xmin,
		const double &	xmax,
		const double &	ymin,
		const double &	ymax,
		const double &	zmin,
		const double &	zmax )

3D box constructor with min,max values

Envelope() [4/6]

SFCGAL::Envelope::Envelope

(

const Coordinate &

p

)

default constructor (empty bounding box)

Envelope() [5/6]

SFCGAL::Envelope::Envelope	(	const Coordinate &	p1,
		const Coordinate &	p2 )

default constructor (empty bounding box)

Envelope() [6/6]

SFCGAL::Envelope::Envelope

(

const Envelope &

other

)

copy constructor

Member Function Documentation

boundsN() [1/2]

detail::Interval & SFCGAL::Envelope::boundsN ( const size_t & n )

inline

returns the n-th bound

boundsN() [2/2]

const detail::Interval & SFCGAL::Envelope::boundsN ( const size_t & n ) const

inline

returns the n-th bound

contains()

auto SFCGAL::Envelope::contains ( const Envelope & a, const Envelope & b )

static

Global binary operator on Envelopes.

Test if A's bounding box contains B's FIXME: consider moving that outside of the class

expandToInclude()

void SFCGAL::Envelope::expandToInclude

(

const Coordinate &

coordinate

)

expand the box to include coordinate

is3D()

auto SFCGAL::Envelope::is3D

(

)

const

indicates if the bounding box has a 3D component

isEmpty()

auto SFCGAL::Envelope::isEmpty

(

)

const

indicates if the bounding box is empty

operator=()

auto SFCGAL::Envelope::operator=

(

const Envelope &

other

)

assign operator

overlaps()

auto SFCGAL::Envelope::overlaps ( const Envelope & a, const Envelope & b )

static

Global binary operator on Envelopes.

Test if A's bounding box overlaps B's

print()

auto SFCGAL::Envelope::print

(

std::ostream &

ostr

)

const

toBbox_2()

CGAL::Bbox_2 SFCGAL::Envelope::toBbox_2 ( ) const

inline

Convenience function.

Convert to CGAL::BBox_2

toBbox_3()

CGAL::Bbox_3 SFCGAL::Envelope::toBbox_3 ( ) const

inline

Convenience function.

Convert to CGAL::BBox_3

toPolygon()

auto SFCGAL::Envelope::toPolygon

(

)

const

convenience method to convert to 2D Polygon

Warning

empty Polygon for empty Envelope, may be X or Y collapsed

toRing()

auto SFCGAL::Envelope::toRing

(

)

const

convenience method to convert to 2D Polygon ring

Warning

empty LineString for empty Envelope, may be X or Y collapsed

toShell()

auto SFCGAL::Envelope::toShell

(

)

const

convenience method to convert to 3D Shell

Warning

empty Solid for empty or non 3D Envelope, may be X, Y or Z collapsed

toSolid()

auto SFCGAL::Envelope::toSolid

(

)

const

convenience method to convert to 3D Solid

Warning

empty Solid for empty or non 3D Envelope, may be X, Y or Z collapsed

xMax()

const double & SFCGAL::Envelope::xMax ( ) const

inline

xMin()

const double & SFCGAL::Envelope::xMin ( ) const

inline

yMax()

const double & SFCGAL::Envelope::yMax ( ) const

inline

yMin()

const double & SFCGAL::Envelope::yMin ( ) const

inline

zMax()

const double & SFCGAL::Envelope::zMax ( ) const

inline

zMin()

const double & SFCGAL::Envelope::zMin ( ) const

inline