tuw::Point2D Class Reference

#include <point2d.h>

Inheritance diagram for tuw::Point2D:

Public Member Functions
double	angle () const
cv::Point_< double > &	cv ()
const cv::Point_< double > &	cv () const
double	distanceTo (const Point2D &p) const
bool	equal (const Point2D &o, double tolerance=0.0001) const
double	get_h () const
double	get_x () const
double	get_y () const
double &	h ()
const double &	h () const
bool	inside (double x0, double y0, double x1, double y1) const
	Point2D ()
	Point2D (const cv::Point &p)
template<typename T >
	Point2D (const cv::Point_< T > &p)
template<typename T >
	Point2D (const cv::Vec< T, 2 > &p)
template<typename T >
	Point2D (const cv::Vec< T, 3 > &p)
	Point2D (const Point2D &p)
	Point2D (const Polar2D &p)
	Point2D (double x, double y)
	Point2D (double x, double y, double h)
double	radius () const
Point2D &	set (double x, double y)
Point2D &	set (double x, double y, double h)
void	set_h (double v)
void	set_x (double v)
void	set_y (double v)
std::string	str (const char *format="[%6.4lf, %6.4lf, %6.5lf]") const
cv::Vec< double, 2 >	vector () const
double &	x ()
const double &	x () const
double &	y ()
const double &	y () const

Friends
std::ostream &	operator<< (std::ostream &os, const Point2D &o)

Detailed Description

class to represent a point using homogeneous coordinates [x, y, 1]

Definition at line 19 of file point2d.h.

Constructor & Destructor Documentation

Point2D() [1/9]

Point2D::Point2D

(

)

constructor

Definition at line 5 of file point2d.cpp.

Point2D() [2/9]

Point2D::Point2D

(

const Point2D &

p

)

copy constructor

Parameters

p

source

Definition at line 6 of file point2d.cpp.

Point2D() [3/9]

Point2D::Point2D

(

const cv::Point &

p

)

constructor

Parameters

p

source

Definition at line 7 of file point2d.cpp.

Point2D() [4/9]

Point2D::Point2D	(	double	x,
		double	y
	)

constructor

Parameters

x
y

Definition at line 8 of file point2d.cpp.

Point2D() [5/9]

Point2D::Point2D	(	double	x,
		double	y,
		double	h
	)

constructor

Parameters

x
y
h

Definition at line 9 of file point2d.cpp.

Point2D() [6/9]

Point2D::Point2D

(

const Polar2D &

p

)

constructor

Parameters

p

Definition at line 10 of file point2d.cpp.

Point2D() [7/9]

template<typename T >

tuw::Point2D::Point2D ( const cv::Vec< T, 3 > &  p )

inline

Definition at line 53 of file point2d.h.

Point2D() [8/9]

template<typename T >

tuw::Point2D::Point2D ( const cv::Vec< T, 2 > &  p )

inline

Definition at line 54 of file point2d.h.

Point2D() [9/9]

template<typename T >

tuw::Point2D::Point2D ( const cv::Point_< T > &  p )

inline

Definition at line 55 of file point2d.h.

Member Function Documentation

angle()

double Point2D::angle

(

)

const

angle form origin to point (alpha in polar space)

See also

radius

Polar2D

Returns

angle between -PI and +PI

Definition at line 151 of file point2d.cpp.

cv() [1/2]

cv::Point_<double>& tuw::Point2D::cv

(

)

returns a cv::Point_<double> reference

Returns

cv

cv() [2/2]

cv::Point_< double > & Point2D::cv

(

)

const

returns a cv::Point_<double> reference

Returns

cv

Definition at line 135 of file point2d.cpp.

distanceTo()

double Point2D::distanceTo

(

const Point2D &

p

)

const

returns the distance to an other point

Returns

disance

Definition at line 127 of file point2d.cpp.

equal()

bool Point2D::equal	(	const Point2D &	o,
		double	tolerance = 0.0001
	)		const

compares with within tolerance

Parameters

o
tolerance

Definition at line 192 of file point2d.cpp.

get_h()

double Point2D::get_h

(

)

const

get function for h

Returns

h component

Definition at line 113 of file point2d.cpp.

get_x()

double Point2D::get_x

(

)

const

get function for x

Returns

x component

Definition at line 85 of file point2d.cpp.

get_y()

double Point2D::get_y

(

)

const

get function for y

Returns

y component

Definition at line 99 of file point2d.cpp.

h() [1/2]

double& tuw::Point2D::h

(

)

homogeneous component

Returns

rotation

h() [2/2]

double & Point2D::h

(

)

const

homogeneous component

Returns

rotation

Definition at line 63 of file point2d.cpp.

inside()

bool Point2D::inside	(	double	x0,
		double	y0,
		double	x1,
		double	y1
	)		const

checks if a point is within a rectangle

Parameters

x0	top left x
y0	top left y
x1	bottom right x
y1	bottom right y

Returns

true if inside

Definition at line 171 of file point2d.cpp.

radius()

double Point2D::radius

(

)

const

distance to origin (rho in polar space)

See also

angle

Polar2D

Returns

distance

Definition at line 160 of file point2d.cpp.

set() [1/2]

Point2D & Point2D::set	(	double	x,
		double	y
	)

sets values

Parameters

x
y

Returns

this reference

Definition at line 17 of file point2d.cpp.

set() [2/2]

Point2D & Point2D::set	(	double	x,
		double	y,
		double	h
	)

sets values

Parameters

x
y

Returns

this reference

Definition at line 27 of file point2d.cpp.

set_h()

void Point2D::set_h

(

double

v

)

set funktion for h

Parameters

h

component

Definition at line 106 of file point2d.cpp.

set_x()

void Point2D::set_x

(

double

v

)

set funktion for x

Parameters

x

component

Definition at line 78 of file point2d.cpp.

set_y()

void Point2D::set_y

(

double

v

)

set funktion for y

Parameters

y

component

Definition at line 92 of file point2d.cpp.

str()

std::string Point2D::str

(

const char *

format = "[%6.4lf, %6.4lf, %6.5lf]"

)

const

returns x and y as formated string

Parameters

format

using printf format

Returns

string

Definition at line 180 of file point2d.cpp.

vector()

cv::Vec< double, 2 > Point2D::vector

(

)

const

vector without homogeneous component

Returns

state vector

Definition at line 120 of file point2d.cpp.

x() [1/2]

double& tuw::Point2D::x

(

)

translational x component

Returns

x component

x() [2/2]

double & Point2D::x

(

)

const

translational x component

Returns

x component

translational x component

Returns

rotation

Definition at line 35 of file point2d.cpp.

y() [1/2]

double& tuw::Point2D::y

(

)

translational y component

Returns

y component

y() [2/2]

double & Point2D::y

(

)

const

translational y component

Returns

y component

Definition at line 49 of file point2d.cpp.

Friends And Related Function Documentation

operator<<

std::ostream& operator<< ( std::ostream &  os, const Point2D &  o  )

friend

Stream extraction

Parameters

os	outputstream
o	object

Returns

stream

Definition at line 180 of file point2d.h.

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

• point2d.h
• point2d.cpp