Point2D.H File Reference

#include "Image/Dims.H"
#include "Util/Promotions.H"
#include "Util/log.H"
#include <cmath>
#include <string>
#include <vector>

Include dependency graph for Point2D.H:

Go to the source code of this file.

Classes
class	Point2D< T >
	This is a basic class to encode 2D integer coordinates. More...
Functions
template<class T , class U >
bool	operator== (const Point2D< T > &p1, const Point2D< U > &p2)
	== operator
template<class T , class U >
bool	operator!= (const Point2D< T > &p1, const Point2D< U > &p2)
	!= operator
template<class T , class U >
bool	operator> (const Point2D< T > &p1, const Point2D< U > &p2)
	> operator
template<class T , class U >
bool	operator< (const Point2D< T > &p1, const Point2D< U > &p2)
	< operator
template<class T >
std::string	convertToString (const Point2D< T > &val)
	Point2D<T> overload: format is "<i>,<j>".
template<class T >
void	convertFromString (const std::string &str, Point2D< T > &val)
	Point2D<T> overload: format is "<i>,<j>".
template<class T >
bool	pnpoly (const std::vector< Point2D< T > > &polygon, const Point2D< T > &p)
	Is a point inside a polygon?
template<class T >
Point2D< T >	centroid (const std::vector< Point2D< T > > &polygon)
	Where is the center of mass of a polygon?
template<class T >
double	area (const std::vector< Point2D< T > > &polygon, const bool getsigned=false)
	What is the area of a polygon?
template<class T >
double	angleMeasure (const Point2D< T > &A, const Point2D< T > &B, const Point2D< T > &C)
	What is the measure (in radians, signed -pi to pi) of angle BAC?
template<class T >
bool	pnTriangle (const Point2D< T > &A, const Point2D< T > &B, const Point2D< T > &C, const Point2D< T > &P)
	determine if a point P is inside a triangle with vertices A,B,C

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Detailed Description

A basic 2D point class

Definition in file Point2D.H.

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Function Documentation

template<class T >

double angleMeasure	(	const Point2D< T > &	A,
		const Point2D< T > &	B,
		const Point2D< T > &	C
	)			[inline]

What is the measure (in radians, signed -pi to pi) of angle BAC?

Definition at line 451 of file Point2D.H.

References Point2D< T >::distance(), and Point2D< T >::i.

template<class T >

double area	(	const std::vector< Point2D< T > > &	polygon,
		const bool	getsigned = false
	)			[inline]

What is the area of a polygon?

Definition at line 439 of file Point2D.H.

Referenced by findPeaks(), getMaskedMinMaxAvg(), BitObject::reset(), segmentLandmark(), segmentObject(), segmentObjectClean(), and ViewPort3D::triangulate().

template<class T >

Point2D< T > centroid

(

const std::vector< Point2D< T > > &

polygon

)

[inline]

Where is the center of mass of a polygon?

Definition at line 429 of file Point2D.H.

template<class T >

void convertFromString	(	const std::string &	str,
		Point2D< T > &	val
	)			[inline]

Point2D<T> overload: format is "<i>,<j>".

Definition at line 60 of file Point2D.C.

References Point2D< T >::i, conversion_error::raise(), and split().

template<class T >

std::string convertToString

(

const Point2D< T > &

val

)

[inline]

Point2D<T> overload: format is "<i>,<j>".

Definition at line 54 of file Point2D.C.

References Point2D< T >::i.

template<class T , class U >

bool operator!=	(	const Point2D< T > &	p1,
		const Point2D< U > &	p2
	)			[inline]

!= operator

Definition at line 332 of file Point2D.H.

References Point2D< T >::i.

template<class T , class U >

bool operator<	(	const Point2D< T > &	p1,
		const Point2D< U > &	p2
	)			[inline]

< operator

Definition at line 342 of file Point2D.H.

template<class T , class U >

bool operator==	(	const Point2D< T > &	p1,
		const Point2D< U > &	p2
	)			[inline]

== operator

Definition at line 327 of file Point2D.H.

References Point2D< T >::i.

template<class T , class U >

bool operator>	(	const Point2D< T > &	p1,
		const Point2D< U > &	p2
	)			[inline]

> operator

Definition at line 337 of file Point2D.H.

References Point2D< T >::i.

template<class T >

bool pnpoly	(	const std::vector< Point2D< T > > &	polygon,
		const Point2D< T > &	p
	)			[inline]

Is a point inside a polygon?

Definition at line 412 of file Point2D.H.

References Point2D< T >::i.

Referenced by TestImages::getAllObjMask(), and TestImages::getObjFromPos().

template<class T >

bool pnTriangle	(	const Point2D< T > &	A,
		const Point2D< T > &	B,
		const Point2D< T > &	C,
		const Point2D< T > &	P
	)			[inline]

determine if a point P is inside a triangle with vertices A,B,C

Definition at line 468 of file Point2D.H.

References Point2D< T >::i.