SbPlane Class Reference

Oriented plane in 3D. More...

#include <Inventor/SbLinear.h>

Public Member Functions
	SbPlane ()
	Default constructor.
	SbPlane (const SbVec3f &p0, const SbVec3f &p1, const SbVec3f &p2)
	Construct a plane given three points.
	SbPlane (const SbVec3f &n, float d)
	Construct a plane given normal and distance from origin along normal.
	SbPlane (const SbVec3f &n, const SbVec3f &p)
	Construct a plane given normal and a point to pass through Orientation is given by the normal vector n.
void	offset (float d)
	Offset a plane by a given distance.
bool	intersect (const SbLine &l, SbVec3f &intersection) const
	Intersect line and plane, returning TRUE if there is an intersection, FALSE if line is parallel to plane.
void	transform (const SbMatrix &matrix)
	Transforms the plane by the given matrix.
bool	isInHalfSpace (const SbVec3f &point) const
	Returns TRUE if the given point is within the half-space defined by the plane.
float	getDistance (const SbVec3f &point) const
	Returns the distance of the point to the plane.
const SbVec3f &	getNormal () const
	Returns normal vector to plane.
float	getDistanceFromOrigin () const
	Returns distance from origin to plane.

Friends
INVENTOR_API bool	operator== (const SbPlane &p1, const SbPlane &p2)
	Equality/inequality comparison operators.
INVENTOR_API bool	operator!= (const SbPlane &p1, const SbPlane &p2)

Detailed Description

Represents an oriented plane in 3D. This is a lightweight class/datatype that is used for arguments to some Inventor objects. {}

See Also

SbVec3f, SbLine

Definition at line 1360 of file SbLinear.h.

Constructor & Destructor Documentation

SbPlane() [1/4]

SbPlane::SbPlane ( )

inline

Definition at line 1363 of file SbLinear.h.

SbPlane() [2/4]

SbPlane::SbPlane	(	const SbVec3f &	p0,
		const SbVec3f &	p1,
		const SbVec3f &	p2
	)

p0, p1, and p2 represent three points in the plane.

SbPlane() [3/4]

SbPlane::SbPlane	(	const SbVec3f &	n,
		float	d
	)

Orientation is given by the normal vector n.

SbPlane() [4/4]

SbPlane::SbPlane	(	const SbVec3f &	n,
		const SbVec3f &	p
	)

Member Function Documentation

getDistance()

float SbPlane::getDistance

(

const SbVec3f &

point

)

const

getDistanceFromOrigin()

float SbPlane::getDistanceFromOrigin ( ) const

inline

Definition at line 1398 of file SbLinear.h.

getNormal()

const SbVec3f & SbPlane::getNormal ( ) const

inline

Definition at line 1396 of file SbLinear.h.

intersect()

bool SbPlane::intersect	(	const SbLine &	l,
		SbVec3f &	intersection
	)		const

isInHalfSpace()

bool SbPlane::isInHalfSpace

(

const SbVec3f &

point

)

const

offset()

void SbPlane::offset

(

float

d

)

transform()

void SbPlane::transform

(

const SbMatrix &

matrix

)

Friends And Related Symbol Documentation

operator!=

INVENTOR_API bool operator!= ( const SbPlane &  p1, const SbPlane &  p2  )

friend

Definition at line 1416 of file SbLinear.h.

operator==

INVENTOR_API bool operator== ( const SbPlane &  p1, const SbPlane &  p2  )

friend

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

• C:/jh/mevislab/4.0.2_1/build/MeVis/ThirdParty/Sources/Inventor/include/Inventor/SbLinear.h