SbVec4d Class Reference

4D vector class with double values. More...

#include <Inventor/SbLineard.h>

Public Member Functions
	SbVec4d ()
	Default constructor. More...
	SbVec4d (const double v[4])
	Constructor given vector components. More...
	SbVec4d (double x, double y, double z, double w)
	Constructor given vector components. More...
double	dot (const SbVec4d &v) const
	Returns dot (inner) product of vector and another vector. More...
void	getReal (SbVec3d &v) const
	Returns the real portion of the vector by dividing by the fourth value. More...
SbVec3d	getReal () const
	Returns the real portion of the vector by dividing by the fourth value. More...
const double *	getValue () const
	Returns vector components. More...
void	getValue (double &x, double &y, double &z, double &w) const
	Returns vector components. More...
double	length () const
	Returns geometric length of vector. More...
void	negate ()
	Negates each component of vector in place. More...
double	normalize ()
	Changes vector to be unit length. More...
SbVec4d &	setValue (const double v[4])
	Sets the vector components. More...
SbVec4d &	setValue (double x, double y, double z, double w)
	Sets the vector components. More...
double &	operator[] (int i)
	Accesses indexed component of vector. More...
const double &	operator[] (int i) const
SbVec4d &	operator*= (double d)
	Component-wise scalar multiplication and division operators. More...
SbVec4d &	operator/= (double d)
	Component-wise scalar multiplication and division operators. More...
SbVec4d &	operator+= (const SbVec4d &u)
	Component-wise vector addition and subtraction operators. More...
SbVec4d &	operator-= (const SbVec4d &u)
	Component-wise vector addition and subtraction operators. More...
SbVec4d	operator- () const
	Nondestructive unary negation - returns a new vector. More...
bool	equals (const SbVec4d v, double tolerance) const
	Equality comparison within given tolerance em the square of the length of the maximum distance between the two vectors. More...

Protected Attributes
double	vec [4]
	Storage for vector components. More...

Friends
INVENTOR_API SbVec4d	operator* (const SbVec4d &v, double d)
	Component-wise binary scalar multiplication and division operators. More...
INVENTOR_API SbVec4d	operator* (double d, const SbVec4d &v)
INVENTOR_API SbVec4d	operator/ (const SbVec4d &v, double d)
INVENTOR_API SbVec4d	operator+ (const SbVec4d &v1, const SbVec4d &v2)
	Component-wise binary vector addition and subtraction operators. More...
INVENTOR_API SbVec4d	operator- (const SbVec4d &v1, const SbVec4d &v2)
INVENTOR_API bool	operator== (const SbVec4d &v1, const SbVec4d &v2)
	Equality comparison operator. More...
INVENTOR_API bool	operator!= (const SbVec4d &v1, const SbVec4d &v2)

Detailed Description

4D vector class used to store homogeneous coordinates. This class is used in Inventor for arguments and return values. {}

See Also

SbVec2f, SbVec3f, SbVec2d, SbVec3d, SbVec4d, SbVec2s, SbRotation

Definition at line 349 of file SbLineard.h.

Constructor & Destructor Documentation

SbVec4d() [1/3]

SbVec4d::SbVec4d ( )

inline

Definition at line 353 of file SbLineard.h.

SbVec4d() [2/3]

SbVec4d::SbVec4d ( const double  v[4] )

inline

Definition at line 356 of file SbLineard.h.

SbVec4d() [3/3]

SbVec4d::SbVec4d ( double  x, double  y, double  z, double  w  )

inline

Definition at line 359 of file SbLineard.h.

Member Function Documentation

dot()

double SbVec4d::dot

(

const SbVec4d &

v

)

const

equals()

bool SbVec4d::equals	(	const SbVec4d	v,
		double	tolerance
	)		const

getReal() [1/2]

SbVec3d SbVec4d::getReal ( ) const

inline

Definition at line 368 of file SbLineard.h.

References getReal().

Referenced by getReal().

getReal() [2/2]

void SbVec4d::getReal

(

SbVec3d &

v

)

const

getValue() [1/2]

const double* SbVec4d::getValue ( ) const

inline

Definition at line 371 of file SbLineard.h.

getValue() [2/2]

void SbVec4d::getValue	(	double &	x,
		double &	y,
		double &	z,
		double &	w
	)		const

length()

double SbVec4d::length

(

)

const

negate()

void SbVec4d::negate

(

)

normalize()

double SbVec4d::normalize

(

)

operator*=()

SbVec4d& SbVec4d::operator*=

(

double

d

)

operator+=()

SbVec4d& SbVec4d::operator+=

(

const SbVec4d &

u

)

operator-()

SbVec4d SbVec4d::operator-

(

)

const

operator-=()

SbVec4d& SbVec4d::operator-=

(

const SbVec4d &

u

)

operator/=()

SbVec4d& SbVec4d::operator/= ( double  d )

inline

Definition at line 399 of file SbLineard.h.

operator[]() [1/2]

double& SbVec4d::operator[] ( int  i )

inline

Definition at line 392 of file SbLineard.h.

operator[]() [2/2]

const double& SbVec4d::operator[] ( int  i ) const

inline

Definition at line 393 of file SbLineard.h.

setValue() [1/2]

SbVec4d& SbVec4d::setValue

(

const double

v[4]

)

setValue() [2/2]

SbVec4d& SbVec4d::setValue	(	double	x,
		double	y,
		double	z,
		double	w
	)

Friends And Related Function Documentation

operator!=

INVENTOR_API bool operator!= ( const SbVec4d &  v1, const SbVec4d &  v2  )

friend

Definition at line 442 of file SbLineard.h.

operator* [1/2]

INVENTOR_API SbVec4d operator* ( const SbVec4d &  v, double  d  )

friend

operator* [2/2]

INVENTOR_API SbVec4d operator* ( double  d, const SbVec4d &  v  )

friend

Definition at line 433 of file SbLineard.h.

operator+

INVENTOR_API SbVec4d operator+ ( const SbVec4d &  v1, const SbVec4d &  v2  )

friend

operator-

INVENTOR_API SbVec4d operator- ( const SbVec4d &  v1, const SbVec4d &  v2  )

friend

operator/

INVENTOR_API SbVec4d operator/ ( const SbVec4d &  v, double  d  )

friend

Definition at line 435 of file SbLineard.h.

operator==

INVENTOR_API bool operator== ( const SbVec4d &  v1, const SbVec4d &  v2  )

friend

Member Data Documentation

vec

double SbVec4d::vec[4]

protected

Definition at line 429 of file SbLineard.h.

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

• /home/jenkins/workspaces/mevislab/3.7.2_1/build/MeVis/ThirdParty/Sources/Inventor/include/Inventor/SbLineard.h