Bounding rectangle. More...

#include <mb_rect.h>

Public Member Functions
	MbRect ()
	Constructor of an empty bounding box.

	MbRect (double _left, double _bottom, double _right, double _top)
	Constructor by given bounds.

	MbRect (const MbRect &r)
	Constructor by another bounding box.

	MbRect (const MbCartPoint &p1, const MbCartPoint &p2, bool normalize=true)
	The constructor by two diagonal points.

	MbRect (const MbRect &r, const MbMatrix &m)
	Constructor by bounding box with subsequent transformation by the matrix.

	MbRect (const MbRect2D &r)
	Constructor by bounding box MbRect2D.

void	Set (double _left, double _bottom, double _right, double _top)
	Set given values of bounds.

void	Set (const MbRect &)
	Set given values of bounds.

void	Set (const MbRect2D &)
	Set given values of bounds.

void	Set (const MbCartPoint &p1, const MbCartPoint &p2)
	Set given values of bounds.

void	Set (const MbCartPoint &p, double eps)
	Set values of bounds as point neighborhood.

void	Set (const MbCartPoint &p, double dx, double dy)
	Set values of bounds as point neighborhood.

void	SetNull ()
	Set to zero.

void	SetEmpty ()
	Set empty ("everted").

bool	IsEmpty () const
	Check for emptiness.

bool	IsDegenerateX () const
	Check bounding box for degeneracy by X-axis.

bool	IsDegenerateY () const
	Check bounding box for degeneracy by Y-axis.

bool	IsSame (const MbRect &, double eps) const
	Check bounding boxes for equality.

bool	IsSame (const MbRect &, double xeps, double yeps) const
	Check bounding boxes for equality.

bool	operator== (const MbRect &other) const
	Check bounding boxes for equality.

bool	operator!= (const MbRect &other) const
	Check bounding boxes for inequality.

void	operator= (const MbRect &other)
	Assign a value of another bounding box.

double	GetTop () const
	Get top bound.

double	GetBottom () const
	Get bottom bound.

double	GetLeft () const
	Get left bound.

double	GetRight () const
	Get right bound.

void	SetTop (double _top)
	Set top bound.

void	SetBottom (double _bottom)
	Set bottom bound.

void	SetLeft (double _left)
	Set left bound.

void	SetRight (double _right)
	Set right bound.

double	GetXMin () const
	Get minimum by X.

double	GetYMin () const
	Get minimum by Y.

double	GetXMax () const
	Get maximum by X.

double	GetYMax () const
	Get maximum by Y.

double	GetXMid () const
	Get middle by X.

double	GetYMid () const
	Get middle by Y.

void	SetXMin (double s)
	Set minimum by X.

void	SetYMin (double s)
	Set maximum by X.

void	SetXMax (double s)
	Set minimum by Y. More...

double	Width () const
	Find width of bounding box.

double	Height () const
	Find height of bounding box.

double	GetLengthX () const
	Get length by X.

double	GetLengthY () const
	Get length by Y.

double	GetLength (double eps) const
	Get half of perimeter.

double	GetSquare (double eps) const
	Get area.

double	GetDiagonal () const
	Get the diagonal length.

bool	Intersection (const MbRect &rect1, const MbRect &rect2, double eps=Math::LengthEps)
	Calculate bounding box of two bounding boxes intersection.

bool	Union (const MbRect &rect1, const MbRect &rect2)
	Calculate bounding box enclosing two bounding boxes.

bool	Contains (const MbCartPoint &p, double eps=Math::LengthEps) const
	Check if the bounding box contains the given point.

bool	Contains (double x, double y, double eps=Math::LengthEps) const
	Check if the bounding box contains the given point.

bool	Contains (const MbCartPoint &p, double xeps, double yeps) const
	Check if the bounding box contains the given point.

bool	Contains (double x, double y, double xeps, double yeps) const
	Check if the bounding box contains the given point.

bool	ContainsX (double x, double eps=Math::LengthEps) const
	Check if the bounding box contains the given X coordinate.

bool	ContainsY (double y, double eps=Math::LengthEps) const
	Check if the bounding box contains the given Y coordinate.

void	OutCodes (const MbCartPoint &p, unsigned int &outcodes, double eps=METRIC_PRECISION) const
	Calculate the codes of a point location relative to the rectangle.

double	DistanceToPoint (const MbCartPoint &point) const
	Calculate the distance to the nearest boundary of the bounding box. More...

double	DistanceToPoint (const MbCartPoint &to, uint &outcodes) const
	Calculate the distance to a point.

double	DistanceToPoint2 (const MbCartPoint &pnt) const
	Calculate the square of distance to a point.

double	DistanceToCube (const MbRect &cube, double eps=Math::metricRegion) const
	Calculate the distance to the cube. More...

void	CalcDistances (const MbCartPoint &to, double &dmin, double &dmax, uint &outcodes) const
	Calculate minimal and maximal distances to a point.

bool	Intersect (const MbRect &, TaeTwoRectPos &) const
	Whether the bounding box intersects with another bounding box with intersection attribute.

bool	Intersect (const MbRect &other, double eps=Math::LengthEps) const
	Whether the bounding box intersects with another bounding box.

bool	Intersect (const MbRect &other, double xeps, double yeps) const
	Whether the bounding box intersects with another bounding box.

MbRect	CompressedBy (double dLeft, double dBottom, double dRight, double dTop) const
	Create new rectangle from the current one by shrinking.

MbRect &	Normalize ()
	Normalize oneself.

void	Transform (const MbMatrix &)
	Transform by matrix.

void	Scale (double sx, double sy)
	Scale.

MbRect &	operator\|= (const MbRect &)
	Enclose a rectangle.

MbRect &	operator\|= (const MbCartPoint &)
	Enclose a point.

MbRect &	operator\|= (const MbHomogeneous &)
	Enclose a point.

MbRect &	operator\|= (const SArray< MbCartPoint > &)
	Enclose an array of points.

MbRect &	operator\|= (const SArray< MbHomogeneous > &)
	Enclose an array of points.

void	Include (double x, double y)
	Enclose a point specified as XY.

void	IncludeX (double x)
	Enclose an X-coordinate.

void	IncludeY (double y)
	Enclose an Y-coordinate.

void	IncludeXInterval (double x, double dx)
	Enclose a range from X - dx to X + dx.

void	IncludeYInterval (double y, double dy)
	Enclose a range from Y - dy to Y + dy.

void	Move (const MbVector &to)
	Move rectangle.

void	Move (double dx, double dy)
	Move rectangle.

void	Scale (double scale)
	Scale relative to 0.

void	Scale (const MbCartPoint &point, double scale)
	Scale relative to point.

void	Enlarge (double x, double y)
	Extend rectangle.

void	Enlarge (double delta)
	Extend rectangle in all directions.

void	GetOusideRect (MbRect &r) const
	Get the covering rectangle.

void	GetCenter (MbCartPoint &p) const
	Get center of the bounding box.

size_t	GetVerticesCount () const
	Get count of vertices.

void	GetVertex (size_t index, MbCartPoint &p) const
	Get vertex of bounding rectangle by index in range from 0 to 3.

const MbRect &	GetRect () const
	Get reference to itself.

double	GetMin (size_t k) const
	Access to a coordinate by an index.

double	GetMax (size_t k) const
	Access to a coordinate by an index.

double	GetSideLength (size_t k) const
	Get side length.

const MbRect &	GetCube () const
	Get reference to itself.

Static Public Member Functions
static size_t	GetDimension ()
	The number of point coordinates.

Public Attributes
double	left
	Left bound of bounding box.

double	bottom
	Bottom bound of bounding box.

double	right
	Right bound of bounding box.

double	top
	Top bound of bounding box.

Detailed Description

Bounding rectangle.

Bounding box in two-dimensional space.
Used for fast estimation of two-dimensional objects proximity.

Member Function Documentation

◆ SetXMax()

void MbRect::SetXMax ( double s )

inline

Set minimum by Y.

Set maximum by Y.

◆ DistanceToPoint()

double MbRect::DistanceToPoint ( const MbCartPoint & point ) const

inline

Calculate the distance to the nearest boundary of the bounding box.

The calculated distance is negative if the point is inside, and is positive if it is outside.

Parameters

[in] point - The investigated point.

Returns: Returns the distance to the boundary.

◆ DistanceToCube()

double MbRect::DistanceToCube	(	const MbRect &	cube,
		double	eps = `Math::metricRegion`
	)		const

Calculate the distance to the cube.

It returns zero if the cubes intersect or one is contained in the other.

Parameters

[in]	cube	- Other cube.
[in]	eps	- A metric tolerance.

Returns: Returns the distance to the boundary.

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

mb_rect.h

Public Member Functions

Static Public Member Functions

Public Attributes

Detailed Description

Member Function Documentation

◆ SetXMax()

◆ DistanceToPoint()

◆ DistanceToCube()