icl::utils::Point32f Class Reference

Single precission 3D Vectors Point class of the ICL. More...

#include <Point32f.h>

Inheritance diagram for icl::utils::Point32f:

Public Member Functions
	Point32f ()
	default constructor More...
	Point32f (const Point32f &p)
	deep copy of a Point More...
	Point32f (float x, float y)
	create a special point More...
	Point32f (const Point &p)
	craete a point by a given interger point More...
bool	isNull () const
	checks wether the object instance is null, i.e. all elements are zero More...
bool	operator== (const Point32f &s) const
	checks if two points are equal More...
bool	operator!= (const Point32f &s) const
	checks if two points are not equal More...
Point32f	operator+ (const Point32f &s) const
	adds two Points as vectors More...
Point32f	operator- (const Point32f &s) const
	substracts two Point32fs as vectors More...
Point32f	operator * (double d) const
	scales a Point32fs variables with a scalar value More...
Point32f &	operator+= (const Point32f &s)
	Adds another Point32f inplace. More...
Point32f &	operator-= (const Point32f &s)
	Substacts another Point32f inplace. More...
Point32f &	operator *= (double d)
	scales the Point32f inplace with a scalar More...
Point32f	transform (double xfac, double yfac) const
	transforms the point by element-wise scaling More...
float	distanceTo (const Point32f &p) const
	returns the euclidian distance to another point More...
bool	inTriangle (const utils::Point32f &v1, const utils::Point32f &v2, const utils::Point32f &v3) const
	Checks whether the given point p lies within the triangle defined by v1,v2 and v3. More...
float	norm (float p=2) const
	returns the p-norm of the 2D Vector More...
Point32f &	normalize ()
	normalized this 2D vector to length=1; More...
Point32f	normalized () const
	returns a normalized version of this Point More...
float &	operator[] (int i)
	index based interface (returns i?y:x) More...
const float &	operator[] (int i) const
	index based interface, const (returns i?y:x) More...

Public Attributes
float	x
	x position of this point More...
float	y
	y position of this point More...

Static Public Attributes
static const Point32f	null
	null Point is x=0, y=0 More...

Detailed Description

Single precission 3D Vectors Point class of the ICL.

Constructor & Destructor Documentation

Point32f() [1/4]

icl::utils::Point32f::Point32f ( )

inline

default constructor

Point32f() [2/4]

icl::utils::Point32f::Point32f ( const Point32f &  p )

inline

deep copy of a Point

Point32f() [3/4]

icl::utils::Point32f::Point32f ( float  x, float  y  )

inline

create a special point

Point32f() [4/4]

icl::utils::Point32f::Point32f ( const Point &  p )

inline

craete a point by a given interger point

Member Function Documentation

distanceTo()

float icl::utils::Point32f::distanceTo

(

const Point32f &

p

)

const

returns the euclidian distance to another point

inTriangle()

bool icl::utils::Point32f::inTriangle	(	const utils::Point32f &	v1,
		const utils::Point32f &	v2,
		const utils::Point32f &	v3
	)		const

Checks whether the given point p lies within the triangle defined by v1,v2 and v3.

isNull()

bool icl::utils::Point32f::isNull ( ) const

inline

checks wether the object instance is null, i.e. all elements are zero

norm()

float icl::utils::Point32f::norm

(

float

p = 2

)

const

returns the p-norm of the 2D Vector

• p = 0 -> 2
• p = 1 -> city block norm x+y
• p = 2 -> euclidian norm
• p->inf -> infinity norm

  Parameters

  p	chooses the norm

  Returns

  norm value

normalize()

Point32f& icl::utils::Point32f::normalize ( )

inline

normalized this 2D vector to length=1;

uses the euclidian norm! @ return a reference to (this) normalized

normalized()

Point32f icl::utils::Point32f::normalized ( ) const

inline

returns a normalized version of this Point

Returns

normalized vec

operator *()

Point32f icl::utils::Point32f::operator * ( double  d ) const

inline

scales a Point32fs variables with a scalar value

operator *=()

Point32f& icl::utils::Point32f::operator *= ( double  d )

inline

scales the Point32f inplace with a scalar

operator!=()

bool icl::utils::Point32f::operator!= ( const Point32f &  s ) const

inline

checks if two points are not equal

operator+()

Point32f icl::utils::Point32f::operator+ ( const Point32f &  s ) const

inline

adds two Points as vectors

operator+=()

Point32f& icl::utils::Point32f::operator+= ( const Point32f &  s )

inline

Adds another Point32f inplace.

operator-()

Point32f icl::utils::Point32f::operator- ( const Point32f &  s ) const

inline

substracts two Point32fs as vectors

operator-=()

Point32f& icl::utils::Point32f::operator-= ( const Point32f &  s )

inline

Substacts another Point32f inplace.

operator==()

bool icl::utils::Point32f::operator== ( const Point32f &  s ) const

inline

checks if two points are equal

operator[]() [1/2]

float& icl::utils::Point32f::operator[] ( int  i )

inline

index based interface (returns i?y:x)

operator[]() [2/2]

const float& icl::utils::Point32f::operator[] ( int  i ) const

inline

index based interface, const (returns i?y:x)

transform()

Point32f icl::utils::Point32f::transform ( double  xfac, double  yfac  ) const

inline

transforms the point by element-wise scaling

Member Data Documentation

null

const Point32f icl::utils::Point32f::null

static

null Point is x=0, y=0

x

float icl::utils::Point32f::x

x position of this point

y

float icl::utils::Point32f::y

y position of this point

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

• /Users/alneuman/vm/icl/ICLUtils/src/ICLUtils/Point32f.h