SbVec2d Class Reference

2D vector class with double members. More...

#include <Inventor/SbLineard.h>

Public Member Functions
	SbVec2d ()
	Default constructor.
	SbVec2d (const double v[2])
	Constructor given vector components.
	SbVec2d (double x, double y)
	Constructor given vector components.
double	dot (const SbVec2d &v) const
	Returns dot (inner) product of vector and another vector.
const double *	getValue () const
	Returns vector components.
void	getValue (double &x, double &y) const
	Returns vector components.
double	length () const
	Returns geometric length of vector.
void	negate ()
	Negates each component of vector in place.
double	normalize ()
	Changes vector to be unit length.
SbVec2d &	setValue (const double v[2])
	Sets the vector components.
SbVec2d &	setValue (double x, double y)
	Sets the vector components.
double &	operator[] (int i)
	Accesses indexed component of vector.
const double &	operator[] (int i) const
SbVec2d &	operator*= (double d)
	Component-wise scalar multiplication and division operators.
SbVec2d &	operator/= (double d)
	Component-wise scalar multiplication and division operators.
SbVec2d &	operator+= (const SbVec2d &u)
	Component-wise vector addition and subtraction operators.
SbVec2d &	operator-= (const SbVec2d &u)
	Component-wise vector addition and subtraction operators.
SbVec2d	operator- () const
	Nondestructive unary negation - returns a new vector.
bool	equals (const SbVec2d v, double tolerance) const
	Equality comparison within given tolerance em the square of the length of the maximum distance between the two vectors.

Protected Attributes
double	vec [2]
	Storage for vector components.

Friends
INVENTOR_API SbVec2d	operator* (const SbVec2d &v, double d)
	Component-wise binary scalar multiplication and division operators.
INVENTOR_API SbVec2d	operator* (double d, const SbVec2d &v)
INVENTOR_API SbVec2d	operator/ (const SbVec2d &v, double d)
INVENTOR_API SbVec2d	operator+ (const SbVec2d &v1, const SbVec2d &v2)
	Component-wise binary vector addition and subtraction operators.
INVENTOR_API SbVec2d	operator- (const SbVec2d &v1, const SbVec2d &v2)
INVENTOR_API bool	operator== (const SbVec2d &v1, const SbVec2d &v2)
	Equality comparison operator.
INVENTOR_API bool	operator!= (const SbVec2d &v1, const SbVec2d &v2)

Detailed Description

2D vector class used to store 2D vectors and points. This class is used throughout Inventor for arguments and return values. {}

See Also

SbVec3f, SbVec3f, SbVec4f, SbVec3d, SbVec4d, SbVec2s, SbRotation, SbRotationd

Definition at line 242 of file SbLineard.h.

Constructor & Destructor Documentation

SbVec2d() [1/3]

SbVec2d::SbVec2d ( )

inline

Definition at line 246 of file SbLineard.h.

References vec.

Referenced by dot(), equals(), operator!=, operator*, operator*, operator*=(), operator+, operator+=(), operator-(), operator-, operator-=(), operator/, operator/=(), operator==, setValue(), and setValue().

SbVec2d() [2/3]

SbVec2d::SbVec2d ( const double v[2] )

inline

Definition at line 249 of file SbLineard.h.

References setValue().

SbVec2d() [3/3]

SbVec2d::SbVec2d ( double x, double y )

inline

Definition at line 252 of file SbLineard.h.

References setValue().

Member Function Documentation

dot()

double SbVec2d::dot

(

const SbVec2d &

v

)

const

References SbVec2d().

equals()

bool SbVec2d::equals	(	const SbVec2d	v,
		double	tolerance ) const

References SbVec2d().

getValue() [1/2]

const double * SbVec2d::getValue ( ) const

inline

Definition at line 258 of file SbLineard.h.

References vec.

getValue() [2/2]

void SbVec2d::getValue	(	double &	x,
		double &	y ) const

length()

double SbVec2d::length

(

)

const

negate()

void SbVec2d::negate

(

)

normalize()

double SbVec2d::normalize

(

)

operator*=()

SbVec2d & SbVec2d::operator*=

(

double

d

)

References SbVec2d().

operator+=()

SbVec2d & SbVec2d::operator+=

(

const SbVec2d &

u

)

References SbVec2d().

operator-()

SbVec2d SbVec2d::operator-

(

)

const

References SbVec2d().

operator-=()

SbVec2d & SbVec2d::operator-=

(

const SbVec2d &

u

)

References SbVec2d().

operator/=()

SbVec2d & SbVec2d::operator/= ( double d )

inline

Definition at line 286 of file SbLineard.h.

References SbVec2d().

operator[]() [1/2]

double & SbVec2d::operator[] ( int i )

inline

Definition at line 279 of file SbLineard.h.

References vec.

operator[]() [2/2]

const double & SbVec2d::operator[] ( int i ) const

inline

Definition at line 280 of file SbLineard.h.

References vec.

setValue() [1/2]

SbVec2d & SbVec2d::setValue

(

const double

v[2]

)

References SbVec2d().

Referenced by SbVec2d(), and SbVec2d().

setValue() [2/2]

SbVec2d & SbVec2d::setValue	(	double	x,
		double	y )

References SbVec2d().

Friends And Related Symbol Documentation

operator!=

INVENTOR_API bool operator!= ( const SbVec2d & v1, const SbVec2d & v2 )

friend

Definition at line 329 of file SbLineard.h.

References INVENTOR_API, and SbVec2d().

operator* [1/2]

INVENTOR_API SbVec2d operator* ( const SbVec2d & v, double d )

friend

References INVENTOR_API, and SbVec2d().

operator* [2/2]

INVENTOR_API SbVec2d operator* ( double d, const SbVec2d & v )

friend

Definition at line 320 of file SbLineard.h.

References INVENTOR_API, and SbVec2d().

operator+

INVENTOR_API SbVec2d operator+ ( const SbVec2d & v1, const SbVec2d & v2 )

friend

References INVENTOR_API, and SbVec2d().

operator-

INVENTOR_API SbVec2d operator- ( const SbVec2d & v1, const SbVec2d & v2 )

friend

References INVENTOR_API, and SbVec2d().

operator/

INVENTOR_API SbVec2d operator/ ( const SbVec2d & v, double d )

friend

Definition at line 322 of file SbLineard.h.

References INVENTOR_API, and SbVec2d().

operator==

INVENTOR_API bool operator== ( const SbVec2d & v1, const SbVec2d & v2 )

friend

References INVENTOR_API, and SbVec2d().

Member Data Documentation

vec

double SbVec2d::vec[2]

protected

Definition at line 316 of file SbLineard.h.

Referenced by getValue(), operator[](), operator[](), and SbVec2d().

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

• C:/jh/mevislab/4.1.3_0/build/MeVis/ThirdParty/Sources/Inventor/include/Inventor/SbLineard.h