rdf::Ellipse Class Reference

#include <Shapes.h>

Collaboration diagram for rdf::Ellipse:

Public Member Functions
	Ellipse ()
	Ellipse (const Vector2D &center, const Vector2D &axis=Vector2D(), double angle=0.0)
	Ellipse (const cv::RotatedRect &rect)
bool	isNull () const
bool	isValid () const
QString	toString () const
void	setCenter (const Vector2D &center)
Vector2D	center () const
void	setAxis (const Vector2D &axis)
Vector2D	axis () const
void	scale (double factor)
	Scales the ellipse (center and size). More...
double	majorAxis () const
	The ellipses major axis. More...
double	minorAxis () const
	The ellipse's minor axis. More...
double	radius () const
	The mean of major and minor axis. More...
double	area () const
Rect	bbox (bool squared=false) const
	Returns the ellipse's axis aligned bounding box. More...
cv::Mat	toCov () const
	Converts the convidence ellipse to a covariance matrix. More...
void	setAngle (double angle)
double	angle () const
void	move (const Vector2D &vec)
void	draw (QPainter &p, double alpha=0.0) const
void	pdf (cv::Mat &img, const Rect &box=Rect()) const
cv::Mat	toBinaryMask (const Rect &box=Rect()) const
Vector2D	getPoint (double angle) const
	Returns a point on the ellipse at the specified angle. 0 degree corresponds to the positive x-axis. The angle is clockwise. More...

Static Public Member Functions
static Ellipse	fromData (const std::vector< cv::Point > &pts)
static Ellipse	fromData (const QVector< Vector2D > &pts)
static Ellipse	fromData (const cv::Mat &pts, const Vector2D &center)
	Returns the best fitting ellipse. More...

Protected Attributes
bool	mIsNull = true
Vector2D	mCenter
Vector2D	mAxis
double	mAngle = 0.0

Friends
DllCoreExport friend QDebug	operator<< (QDebug d, const Ellipse &e)

Constructor & Destructor Documentation

rdf::Ellipse::Ellipse

(

)

rdf::Ellipse::Ellipse	(	const Vector2D &	center,
		const Vector2D &	axis = Vector2D(),
		double	angle = 0.0
	)

rdf::Ellipse::Ellipse

(

const cv::RotatedRect &

rect

)

Member Function Documentation

double rdf::Ellipse::angle

(

)

const

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double rdf::Ellipse::area

(

)

const

Vector2D rdf::Ellipse::axis

(

)

const

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Rect rdf::Ellipse::bbox

(

bool

squared = false

)

const

Returns the ellipse's axis aligned bounding box.

Parameters

squared

if set to true, the bounding box is squared (e.g. for pdfs).

Returns

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Vector2D rdf::Ellipse::center ( ) const

inline

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void rdf::Ellipse::draw	(	QPainter &	p,
		double	alpha = 0.0
	)		const

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Ellipse rdf::Ellipse::fromData ( const std::vector< cv::Point > &  pts )

static

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Ellipse rdf::Ellipse::fromData ( const QVector< Vector2D > &  pts )

static

Ellipse rdf::Ellipse::fromData ( const cv::Mat &  pts, const Vector2D &  center  )

static

Returns the best fitting ellipse.

Parameters

pts	a N x 2 CV_32FC1 matrix representing the 2D points.
center	The ellipses center.

Returns

Vector2D rdf::Ellipse::getPoint

(

double

angle

)

const

Returns a point on the ellipse at the specified angle. 0 degree corresponds to the positive x-axis. The angle is clockwise.

Parameters

angle

An angle.

Returns

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bool rdf::Ellipse::isNull

(

)

const

bool rdf::Ellipse::isValid

(

)

const

double rdf::Ellipse::majorAxis

(

)

const

The ellipses major axis.

Returns

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double rdf::Ellipse::minorAxis

(

)

const

The ellipse's minor axis.

Returns

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void rdf::Ellipse::move

(

const Vector2D &

vec

)

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void rdf::Ellipse::pdf	(	cv::Mat &	img,
		const Rect &	box = Rect()
	)		const

double rdf::Ellipse::radius

(

)

const

The mean of major and minor axis.

Returns

void rdf::Ellipse::scale

(

double

factor

)

Scales the ellipse (center and size).

Parameters

factor

The scale factor.

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void rdf::Ellipse::setAngle

(

double

angle

)

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void rdf::Ellipse::setAxis

(

const Vector2D &

axis

)

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void rdf::Ellipse::setCenter

(

const Vector2D &

center

)

cv::Mat rdf::Ellipse::toBinaryMask

(

const Rect &

box = Rect()

)

const

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cv::Mat rdf::Ellipse::toCov

(

)

const

Converts the convidence ellipse to a covariance matrix.

Returns

The covariance matrix (2 x 2 CV_64FC1)

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QString rdf::Ellipse::toString

(

)

const

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Friends And Related Function Documentation

DllCoreExport friend QDebug operator<< ( QDebug  d, const Ellipse &  e  )

friend

Member Data Documentation

double rdf::Ellipse::mAngle = 0.0

protected

Vector2D rdf::Ellipse::mAxis

protected

Vector2D rdf::Ellipse::mCenter

protected

bool rdf::Ellipse::mIsNull = true

protected

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

• src/Core/Shapes.h
• src/Core/Shapes.cpp