ON_2dVector Class Reference

#include <opennurbs_point.h>

Public Member Functions
	ON_2dVector ()=default
	x,y not initialized More...
	ON_2dVector (const ON_2dVector &)=default
	ON_2dVector (double x, double y)
	ON_2dVector (const ON_3dVector &)
	ON_2dVector (const ON_2dPoint &)
	ON_2dVector (const ON_3dPoint &)
	ON_2dVector (const double *)
	ON_2dVector (const ON_2fVector &)
	ON_2dVector (const ON_3fVector &)
	ON_2dVector (const ON_2fPoint &)
	ON_2dVector (const ON_3fPoint &)
	ON_2dVector (const float *)
	~ON_2dVector ()=default
ON__UINT32	DataCRC (ON__UINT32 current_remainder) const
bool	Decompose (const ON_2dVector &, const ON_2dVector &, double *, double *) const
bool	IsNotZero () const
int	IsParallelTo (const ON_2dVector &other, double angle_tolerance=ON_DEFAULT_ANGLE_TOLERANCE) const
bool	IsPerpendicularTo (const ON_2dVector &other, double angle_tolerance=ON_DEFAULT_ANGLE_TOLERANCE) const
bool	IsTiny (double tiny_tol=ON_ZERO_TOLERANCE) const
	Test a vector to see if it is very short More...
bool	IsUnitVector () const
bool	IsUnset () const
bool	IsValid () const
bool	IsZero () const
double	Length () const
double	LengthSquared () const
double	MaximumCoordinate () const
int	MaximumCoordinateIndex () const
double	MinimumCoordinate () const
int	MinimumCoordinateIndex () const
	operator const double * () const
	operator double * ()
	(double*) conversion operators More...
bool	operator!= (const ON_2dVector &) const
double	operator* (const ON_2dVector &) const
	DO NOT ADD ANY MORE overrides of += or -=. More...
double	operator* (const ON_2dPoint &) const
double	operator* (const ON_2fVector &) const
ON_2dVector	operator* (int) const
ON_2dVector	operator* (float) const
ON_2dVector	operator* (double) const
ON_2dVector	operator* (const ON_Xform &) const
ON_2dVector &	operator*= (double)
ON_2dVector	operator+ (const ON_2dVector &) const
ON_2dPoint	operator+ (const ON_2dPoint &) const
ON_3dVector	operator+ (const ON_3dVector &) const
ON_3dPoint	operator+ (const ON_3dPoint &) const
ON_2dVector	operator+ (const ON_2fVector &) const
ON_2dPoint	operator+ (const ON_2fPoint &) const
ON_3dVector	operator+ (const ON_3fVector &) const
ON_3dPoint	operator+ (const ON_3fPoint &) const
ON_2dVector &	operator+= (const ON_2dVector &)
ON_2dVector	operator- () const
ON_2dVector	operator- (const ON_2dVector &) const
ON_2dPoint	operator- (const ON_2dPoint &) const
ON_3dVector	operator- (const ON_3dVector &) const
ON_3dPoint	operator- (const ON_3dPoint &) const
ON_2dVector	operator- (const ON_2fVector &) const
ON_2dPoint	operator- (const ON_2fPoint &) const
ON_3dVector	operator- (const ON_3fVector &) const
ON_3dPoint	operator- (const ON_3fPoint &) const
ON_2dVector &	operator-= (const ON_2dVector &)
ON_2dVector	operator/ (int) const
ON_2dVector	operator/ (float) const
ON_2dVector	operator/ (double) const
ON_2dVector &	operator/= (double)
bool	operator< (const ON_2dVector &) const
bool	operator<= (const ON_2dVector &) const
	dictionary order comparisons More...
ON_2dVector &	operator= (const ON_2dVector &)=default
ON_2dVector &	operator= (const ON_3dVector &)
	use implicit operator=(const ON_2dVector&) More...
ON_2dVector &	operator= (const ON_2dPoint &)
ON_2dVector &	operator= (const ON_3dPoint &)
ON_2dVector &	operator= (const double *)
ON_2dVector &	operator= (const ON_2fVector &)
ON_2dVector &	operator= (const ON_3fVector &)
ON_2dVector &	operator= (const ON_2fPoint &)
ON_2dVector &	operator= (const ON_3fPoint &)
ON_2dVector &	operator= (const float *)
bool	operator== (const ON_2dVector &) const
bool	operator> (const ON_2dVector &) const
bool	operator>= (const ON_2dVector &) const
double &	operator[] (int)
	index operators mimic double[2] behavior More...
double	operator[] (int) const
double &	operator[] (unsigned int)
double	operator[] (unsigned int) const
bool	PerpendicularTo (const ON_2dVector &)
	set this vector to be perpendicular to another vector More...
bool	PerpendicularTo (const ON_2dPoint &, const ON_2dPoint &)
	set this vector to be perpendicular to a line defined by 2 points More...
void	Reverse ()
void	Rotate (double angle)
void	Rotate (double sin_angle, double cos_angle)
void	Set (double x, double y)
	set 2d vector value More...
void	Transform (const ON_Xform &)
bool	Unitize ()
ON_2dVector	UnitVector () const
double	WedgeProduct (const ON_2dVector &B) const
void	Zero ()

Static Public Member Functions
static int	Compare (const ON_2dVector &lhs, const ON_2dVector &rhs)
	A well ordered dictionary compare function that is nan aware and can be used for robust sorting. More...
static const ON_2dVector &	UnitVector (int)
	A index driven function to get unit axis vectors. More...

Public Attributes
double	x
double	y

Static Public Attributes
static const ON_2dVector	NanVector
static const ON_2dVector	UnsetVector
static const ON_2dVector	XAxis
static const ON_2dVector	YAxis
static const ON_2dVector	ZeroVector

Constructor & Destructor Documentation

ON_2dVector() [1/12]

ON_2dVector::ON_2dVector ( )

default

x,y not initialized

~ON_2dVector()

ON_2dVector::~ON_2dVector ( )

default

ON_2dVector() [2/12]

ON_2dVector::ON_2dVector ( const ON_2dVector &  )

default

ON_2dVector() [3/12]

ON_2dVector::ON_2dVector ( double  x, double  y  )

explicit

ON_2dVector() [4/12]

ON_2dVector::ON_2dVector ( const ON_3dVector &  )

explicit

ON_2dVector() [5/12]

ON_2dVector::ON_2dVector

(

const ON_2dPoint &

)

ON_2dVector() [6/12]

ON_2dVector::ON_2dVector ( const ON_3dPoint &  )

explicit

ON_2dVector() [7/12]

ON_2dVector::ON_2dVector ( const double *  )

explicit

ON_2dVector() [8/12]

ON_2dVector::ON_2dVector

(

const ON_2fVector &

)

ON_2dVector() [9/12]

ON_2dVector::ON_2dVector ( const ON_3fVector &  )

explicit

ON_2dVector() [10/12]

ON_2dVector::ON_2dVector ( const ON_2fPoint &  )

explicit

ON_2dVector() [11/12]

ON_2dVector::ON_2dVector ( const ON_3fPoint &  )

explicit

ON_2dVector() [12/12]

ON_2dVector::ON_2dVector ( const float *  )

explicit

Member Function Documentation

Compare()

static int ON_2dVector::Compare ( const ON_2dVector &  lhs, const ON_2dVector &  rhs  )

static

A well ordered dictionary compare function that is nan aware and can be used for robust sorting.

DataCRC()

ON__UINT32 ON_2dVector::DataCRC

(

ON__UINT32

current_remainder

)

const

Decompose()

bool ON_2dVector::Decompose	(	const ON_2dVector &	,
		const ON_2dVector &	,
		double *	,
		double *
	)		const

IsNotZero()

bool ON_2dVector::IsNotZero

(

)

const

Returns

true if at lease one coordinate is not zero and no coordinates are nans.

IsParallelTo()

int ON_2dVector::IsParallelTo	(	const ON_2dVector &	other,
		double	angle_tolerance = ON_DEFAULT_ANGLE_TOLERANCE
	)		const

IsPerpendicularTo()

bool ON_2dVector::IsPerpendicularTo	(	const ON_2dVector &	other,
		double	angle_tolerance = ON_DEFAULT_ANGLE_TOLERANCE
	)		const

IsTiny()

bool ON_2dVector::IsTiny

(

double

tiny_tol = ON_ZERO_TOLERANCE

)

const

Test a vector to see if it is very short

Parameters

tiny_tol

[in] (default = ON_ZERO_TOLERANCE) a nonzero value used as the coordinate zero tolerance.

Returns

( fabs(x) <= tiny_tol && fabs(y) <= tiny_tol )

IsUnitVector()

bool ON_2dVector::IsUnitVector

(

)

const

Returns

true if vector is valid and has length 1.

IsUnset()

bool ON_2dVector::IsUnset

(

)

const

Returns

True if any coordinate is ON_UNSET_VALUE or ON_UNSET_POSITIVE_VALUE

IsValid()

bool ON_2dVector::IsValid

(

)

const

Returns

False if any coordinate is infinte, a nan, or ON_UNSET_VALUE.

IsZero()

bool ON_2dVector::IsZero

(

)

const

Returns

true if vector is the zero vector.

Length()

double ON_2dVector::Length

(

)

const

LengthSquared()

double ON_2dVector::LengthSquared

(

)

const

MaximumCoordinate()

double ON_2dVector::MaximumCoordinate

(

)

const

MaximumCoordinateIndex()

int ON_2dVector::MaximumCoordinateIndex

(

)

const

MinimumCoordinate()

double ON_2dVector::MinimumCoordinate

(

)

const

MinimumCoordinateIndex()

int ON_2dVector::MinimumCoordinateIndex

(

)

const

operator const double *()

ON_2dVector::operator const double *

(

)

const

operator double *()

ON_2dVector::operator double *

(

)

(double*) conversion operators

operator!=()

bool ON_2dVector::operator!=

(

const ON_2dVector &

)

const

operator*() [1/7]

double ON_2dVector::operator*

(

const ON_2dVector &

)

const

DO NOT ADD ANY MORE overrides of += or -=.

operator*() [2/7]

double ON_2dVector::operator*

(

const ON_2dPoint &

)

const

operator*() [3/7]

double ON_2dVector::operator*

(

const ON_2fVector &

)

const

operator*() [4/7]

ON_2dVector ON_2dVector::operator*

(

int

)

const

operator*() [5/7]

ON_2dVector ON_2dVector::operator*

(

float

)

const

operator*() [6/7]

ON_2dVector ON_2dVector::operator*

(

double

)

const

operator*() [7/7]

ON_2dVector ON_2dVector::operator*

(

const ON_Xform &

)

const

operator*=()

ON_2dVector& ON_2dVector::operator*=

(

double

)

operator+() [1/8]

ON_2dVector ON_2dVector::operator+

(

const ON_2dVector &

)

const

operator+() [2/8]

ON_2dPoint ON_2dVector::operator+

(

const ON_2dPoint &

)

const

operator+() [3/8]

ON_3dVector ON_2dVector::operator+

(

const ON_3dVector &

)

const

operator+() [4/8]

ON_3dPoint ON_2dVector::operator+

(

const ON_3dPoint &

)

const

operator+() [5/8]

ON_2dVector ON_2dVector::operator+

(

const ON_2fVector &

)

const

operator+() [6/8]

ON_2dPoint ON_2dVector::operator+

(

const ON_2fPoint &

)

const

operator+() [7/8]

ON_3dVector ON_2dVector::operator+

(

const ON_3fVector &

)

const

operator+() [8/8]

ON_3dPoint ON_2dVector::operator+

(

const ON_3fPoint &

)

const

operator+=()

ON_2dVector& ON_2dVector::operator+=

(

const ON_2dVector &

)

operator-() [1/9]

ON_2dVector ON_2dVector::operator-

(

)

const

operator-() [2/9]

ON_2dVector ON_2dVector::operator-

(

const ON_2dVector &

)

const

operator-() [3/9]

ON_2dPoint ON_2dVector::operator-

(

const ON_2dPoint &

)

const

operator-() [4/9]

ON_3dVector ON_2dVector::operator-

(

const ON_3dVector &

)

const

operator-() [5/9]

ON_3dPoint ON_2dVector::operator-

(

const ON_3dPoint &

)

const

operator-() [6/9]

ON_2dVector ON_2dVector::operator-

(

const ON_2fVector &

)

const

operator-() [7/9]

ON_2dPoint ON_2dVector::operator-

(

const ON_2fPoint &

)

const

operator-() [8/9]

ON_3dVector ON_2dVector::operator-

(

const ON_3fVector &

)

const

operator-() [9/9]

ON_3dPoint ON_2dVector::operator-

(

const ON_3fPoint &

)

const

operator-=()

ON_2dVector& ON_2dVector::operator-=

(

const ON_2dVector &

)

operator/() [1/3]

ON_2dVector ON_2dVector::operator/

(

int

)

const

operator/() [2/3]

ON_2dVector ON_2dVector::operator/

(

float

)

const

operator/() [3/3]

ON_2dVector ON_2dVector::operator/

(

double

)

const

operator/=()

ON_2dVector& ON_2dVector::operator/=

(

double

)

operator<()

bool ON_2dVector::operator<

(

const ON_2dVector &

)

const

operator<=()

bool ON_2dVector::operator<=

(

const ON_2dVector &

)

const

dictionary order comparisons

operator=() [1/10]

ON_2dVector& ON_2dVector::operator= ( const ON_2dVector &  )

default

operator=() [2/10]

ON_2dVector& ON_2dVector::operator=

(

const ON_3dVector &

)

use implicit operator=(const ON_2dVector&)

operator=() [3/10]

ON_2dVector& ON_2dVector::operator=

(

const ON_2dPoint &

)

operator=() [4/10]

ON_2dVector& ON_2dVector::operator=

(

const ON_3dPoint &

)

operator=() [5/10]

ON_2dVector& ON_2dVector::operator=

(

const double *

)

operator=() [6/10]

ON_2dVector& ON_2dVector::operator=

(

const ON_2fVector &

)

operator=() [7/10]

ON_2dVector& ON_2dVector::operator=

(

const ON_3fVector &

)

operator=() [8/10]

ON_2dVector& ON_2dVector::operator=

(

const ON_2fPoint &

)

operator=() [9/10]

ON_2dVector& ON_2dVector::operator=

(

const ON_3fPoint &

)

operator=() [10/10]

ON_2dVector& ON_2dVector::operator=

(

const float *

)

operator==()

bool ON_2dVector::operator==

(

const ON_2dVector &

)

const

operator>()

bool ON_2dVector::operator>

(

const ON_2dVector &

)

const

operator>=()

bool ON_2dVector::operator>=

(

const ON_2dVector &

)

const

operator[]() [1/4]

double& ON_2dVector::operator[]

(

int

)

index operators mimic double[2] behavior

operator[]() [2/4]

double ON_2dVector::operator[]

(

int

)

const

operator[]() [3/4]

double& ON_2dVector::operator[]

(

unsigned

int

)

operator[]() [4/4]

double ON_2dVector::operator[]

(

unsigned

int

)

const

PerpendicularTo() [1/2]

bool ON_2dVector::PerpendicularTo

(

const ON_2dVector &

)

set this vector to be perpendicular to another vector

PerpendicularTo() [2/2]

bool ON_2dVector::PerpendicularTo	(	const ON_2dPoint &	,
		const ON_2dPoint &
	)

set this vector to be perpendicular to a line defined by 2 points

Reverse()

void ON_2dVector::Reverse

(

)

Rotate() [1/2]

void ON_2dVector::Rotate

(

double

angle

)

Rotate() [2/2]

void ON_2dVector::Rotate	(	double	sin_angle,
		double	cos_angle
	)

Set()

void ON_2dVector::Set	(	double	x,
		double	y
	)

set 2d vector value

Transform()

void ON_2dVector::Transform

(

const ON_Xform &

)

Unitize()

bool ON_2dVector::Unitize

(

)

UnitVector() [1/2]

static const ON_2dVector& ON_2dVector::UnitVector ( int  )

static

A index driven function to get unit axis vectors.

Parameters

index

[in] 0 returns (1,0), 1 returns (0,1)

Returns

Unit 2d vector with vector[i] = (i==index)?1:0;

UnitVector() [2/2]

ON_2dVector ON_2dVector::UnitVector

(

)

const

Returns

If this is a valid non-zero vector, a unit vector parallel to this is returned. Otherwise the zero vector is returned.

WedgeProduct()

double ON_2dVector::WedgeProduct

(

const ON_2dVector &

B

)

const

Zero()

void ON_2dVector::Zero

(

)

Member Data Documentation

NanVector

const ON_2dVector ON_2dVector::NanVector

static

UnsetVector

const ON_2dVector ON_2dVector::UnsetVector

static

x

double ON_2dVector::x

XAxis

const ON_2dVector ON_2dVector::XAxis

static

y

double ON_2dVector::y

YAxis

const ON_2dVector ON_2dVector::YAxis

static

ZeroVector

const ON_2dVector ON_2dVector::ZeroVector

static