SbLine Class Reference

Directed line in 3D. More...

#include <Inventor/SbLinear.h>

List of all members.

Public Member Functions
	SbLine ()
	Constructors.
	SbLine (const SbVec3f &p0, const SbVec3f &p1)
	Constructors.
void	setValue (const SbVec3f &p0, const SbVec3f &p1)
	Sets line to pass through points p0 and p1.
SbBool	getClosestPoints (const SbLine &line2, SbVec3f &ptOnThis, SbVec3f &ptOnLine2) const
	Finds the two closest points between this line and line2, and loads them into ptOnThis and ptOnLine2.
SbVec3f	getClosestPoint (const SbVec3f &point) const
	Returns the closest point on the line to the given point.
const SbVec3f &	getPosition () const
	Returns position of line origin point and direction vector of line.
const SbVec3f &	getDirection () const
	Returns position of line origin point and direction vector of line.
SbBool	intersect (const SbBox3f &box, SbVec3f &enter, SbVec3f &exit) const
	Intersect the line with a box, point, line, and triangle.
SbBool	intersect (float angle, const SbBox3f &box) const
SbBool	intersect (float angle, const SbVec3f &point) const
SbBool	intersect (float angle, const SbVec3f &v0, const SbVec3f &v1, SbVec3f &pt) const
SbBool	intersect (const SbVec3f &v0, const SbVec3f &v1, const SbVec3f &v2, SbVec3f &pt, SbVec3f &barycentric, SbBool &front) const

---

Detailed Description

Represents a directed line in 3D. This is a basic Inventor datatype that is used for representing a 3D line. It is used as input and output by a variety of Inventor classes. {}

See Also

SbVec3f, SbPlane

Definition at line 1177 of file SbLinear.h.

---

Constructor & Destructor Documentation

SbLine::SbLine

(

)

[inline]

To construct a line from a position and direction, use: SbLine(p0, p0 + dir). The line is directed from p0 to p1.

Definition at line 1181 of file SbLinear.h.

SbLine::SbLine	(	const SbVec3f &	p0,
		const SbVec3f &	p1
	)

To construct a line from a position and direction, use: SbLine(p0, p0 + dir). The line is directed from p0 to p1.

---

Member Function Documentation

SbVec3f SbLine::getClosestPoint

(

const SbVec3f &

point

)

const

SbBool SbLine::getClosestPoints	(	const SbLine &	line2,
		SbVec3f &	ptOnThis,
		SbVec3f &	ptOnLine2
	)		const

Returns FALSE if the lines are parallel (results undefined), and returns TRUE otherwise.

const SbVec3f& SbLine::getDirection

(

)

const [inline]

Definition at line 1204 of file SbLinear.h.

const SbVec3f& SbLine::getPosition

(

)

const [inline]

Definition at line 1202 of file SbLinear.h.

SbBool SbLine::intersect	(	float	angle,
		const SbBox3f &	box
	)		const

SbBool SbLine::intersect	(	const SbBox3f &	box,
		SbVec3f &	enter,
		SbVec3f &	exit
	)		const

SbBool SbLine::intersect	(	float	angle,
		const SbVec3f &	v0,
		const SbVec3f &	v1,
		SbVec3f &	pt
	)		const

SbBool SbLine::intersect	(	float	angle,
		const SbVec3f &	point
	)		const

SbBool SbLine::intersect	(	const SbVec3f &	v0,
		const SbVec3f &	v1,
		const SbVec3f &	v2,
		SbVec3f &	pt,
		SbVec3f &	barycentric,
		SbBool &	front
	)		const

void SbLine::setValue	(	const SbVec3f &	p0,
		const SbVec3f &	p1
	)

---

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

• MeVis/ThirdParty/Sources/Inventor/inventor/lib/database/include/Inventor/SbLinear.h