GLC_Plane : Math plane representation. More...

#include <glc_plane.h>

Public Member Functions
Constructor / Destructor
	GLC_Plane ()
	Default constructor.

	GLC_Plane (double A, double B, double C, double D)
	Contruct a plan with specified parameter.

	GLC_Plane (const GLC_Vector3d &normal, double minimumDistance)
	Construct a plane with normal vector and the minimum distance from this plane to the origin.

	GLC_Plane (const GLC_Vector3d &normal, const GLC_Point3d &point)
	Construct a plane with normal vector and a 3d point.

	GLC_Plane (const GLC_Point3d &, const GLC_Point3d &, const GLC_Point3d &)
	Contruct a plane with 3 given 3d points.

	GLC_Plane (const GLC_Plane &)
	Copy constructor.

GLC_Plane &	operator= (const GLC_Plane &)
	Assignement operator.

	~GLC_Plane ()
	Destructor.

Get Functions
double	coefA () const
	Return A coef.

double	coefB () const
	Return B coef.

double	coefC () const
	Return C coef.

double	coefD () const
	Return D coef.

double	distanceToPoint (const GLC_Point3d &p) const
	Return the signed distance to a point.

bool	operator== (GLC_Plane) const
	Equality operator.

bool	operator!= (const GLC_Plane &p) const
	diff operator

GLC_Vector3d	normal () const
	Return this plane normal.

bool	lieOnThisPlane (const GLC_Point3d &p)
	Return true if the given point is on this plane.

const double *	data () const
	Return a pointer to this plane equation data.

QString	toString () const
	Return the plane data to string.

Set Functions
void	setA (double a)
	Set A coef.

void	setB (double b)
	Set B coef.

void	setC (double c)
	Set C coef.

void	setD (double d)
	Set D coef.

void	normalize ()
	Normalize the plane.

GLC_Plane &	setPlane (const GLC_Vector3d &normal, const GLC_Point3d &point)
	Set the plane from the given normal and point and return a reference to this plane.

GLC_Plane &	setNormal (const GLC_Vector3d &normal)
	Set this plane normal to the given normal and return a reference to this plane.

Private Attributes
double	m_Eq [4]
	Plane is define by equation : Ax + By + Cz + D= 0.

Detailed Description

GLC_Plane : Math plane representation.

GLC_Plane is definined by its equation : Ax + By + CZ + D= 0

Definition at line 37 of file glc_plane.h.

Constructor & Destructor Documentation

GLC_Plane::GLC_Plane ( )

Default constructor.

Definition at line 28 of file glc_plane.cpp.

References m_Eq.

GLC_Plane::GLC_Plane	(	double	A,
		double	B,
		double	C,
		double	D
	)

Contruct a plan with specified parameter.

Plane equation : Ax + By + CZ + D= 0

Definition at line 36 of file glc_plane.cpp.

References m_Eq.

GLC_Plane::GLC_Plane	(	const GLC_Vector3d &	normal,
		double	minimumDistance
	)

Construct a plane with normal vector and the minimum distance from this plane to the origin.

Definition at line 45 of file glc_plane.cpp.

References m_Eq, GLC_Vector3d::x(), GLC_Vector3d::y(), and GLC_Vector3d::z().

GLC_Plane::GLC_Plane	(	const GLC_Vector3d &	normal,
		const GLC_Point3d &	point
	)

Construct a plane with normal vector and a 3d point.

Definition at line 53 of file glc_plane.cpp.

References m_Eq, GLC_Vector3d::x(), GLC_Vector3d::y(), and GLC_Vector3d::z().

GLC_Plane::GLC_Plane	(	const GLC_Point3d &	p1,
		const GLC_Point3d &	p2,
		const GLC_Point3d &	p3
	)

Contruct a plane with 3 given 3d points.

first : origine, second x, third y

Definition at line 62 of file glc_plane.cpp.

References m_Eq, normal(), normalize(), GLC_Vector3d::x(), GLC_Vector3d::y(), and GLC_Vector3d::z().

GLC_Plane::GLC_Plane ( const GLC_Plane & plane )

Copy constructor.

Definition at line 74 of file glc_plane.cpp.

References m_Eq.

GLC_Plane::~GLC_Plane ( )

Destructor.

Definition at line 90 of file glc_plane.cpp.

Member Function Documentation

double GLC_Plane::coefA ( ) const

inline

Return A coef.

Definition at line 78 of file glc_plane.h.

double GLC_Plane::coefB ( ) const

inline

Return B coef.

Definition at line 82 of file glc_plane.h.

double GLC_Plane::coefC ( ) const

inline

Return C coef.

Definition at line 86 of file glc_plane.h.

double GLC_Plane::coefD ( ) const

inline

Return D coef.

Definition at line 90 of file glc_plane.h.

Referenced by glc::lineIntersectPlane().

const double* GLC_Plane::data ( ) const

inline

Return a pointer to this plane equation data.

Definition at line 112 of file glc_plane.h.

Referenced by GLC_Viewport::useClipPlane().

double GLC_Plane::distanceToPoint ( const GLC_Point3d & p ) const

inline

Return the signed distance to a point.

Definition at line 94 of file glc_plane.h.

References GLC_Vector3d::x(), GLC_Vector3d::y(), and GLC_Vector3d::z().

Referenced by GLC_Frustum::localizeSphereToPlane().

bool GLC_Plane::lieOnThisPlane ( const GLC_Point3d & p )

Return true if the given point is on this plane.

Definition at line 114 of file glc_plane.cpp.

References glc::compare(), glc::EPSILON, m_Eq, GLC_Vector3d::x(), GLC_Vector3d::y(), and GLC_Vector3d::z().

Referenced by GLC_ExtrudedMesh::pointsLieOnAPlane().

GLC_Vector3d GLC_Plane::normal ( ) const

inline

Return this plane normal.

Definition at line 105 of file glc_plane.h.

Referenced by GLC_Plane(), and glc::lineIntersectPlane().

void GLC_Plane::normalize ( )

Normalize the plane.

Definition at line 131 of file glc_plane.cpp.

References m_Eq.

Referenced by GLC_Plane(), and operator==().

bool GLC_Plane::operator!= ( const GLC_Plane & p ) const

inline

diff operator

Definition at line 101 of file glc_plane.h.

References operator==().

GLC_Plane & GLC_Plane::operator= ( const GLC_Plane & p )

Assignement operator.

Definition at line 80 of file glc_plane.cpp.

References m_Eq.

bool GLC_Plane::operator== ( GLC_Plane p2 ) const

Equality operator.

Definition at line 100 of file glc_plane.cpp.

References glc::compare(), glc::EPSILON, m_Eq, and normalize().

void GLC_Plane::setA ( double a )

inline

Set A coef.

Definition at line 125 of file glc_plane.h.

void GLC_Plane::setB ( double b )

inline

Set B coef.

Definition at line 129 of file glc_plane.h.

void GLC_Plane::setC ( double c )

inline

Set C coef.

Definition at line 133 of file glc_plane.h.

void GLC_Plane::setD ( double d )

inline

Set D coef.

Definition at line 137 of file glc_plane.h.

GLC_Plane & GLC_Plane::setNormal ( const GLC_Vector3d & normal )

Set this plane normal to the given normal and return a reference to this plane.

Definition at line 151 of file glc_plane.cpp.

References m_Eq, GLC_Vector3d::x(), GLC_Vector3d::y(), and GLC_Vector3d::z().

GLC_Plane & GLC_Plane::setPlane	(	const GLC_Vector3d &	normal,
		const GLC_Point3d &	point
	)

Set the plane from the given normal and point and return a reference to this plane.

Definition at line 141 of file glc_plane.cpp.

References m_Eq, GLC_Vector3d::x(), GLC_Vector3d::y(), and GLC_Vector3d::z().

QString GLC_Plane::toString ( ) const

Return the plane data to string.

Definition at line 122 of file glc_plane.cpp.

References m_Eq.

Member Data Documentation

double GLC_Plane::m_Eq[4]

private

Plane is define by equation : Ax + By + Cz + D= 0.

Definition at line 157 of file glc_plane.h.

Referenced by GLC_Plane(), lieOnThisPlane(), normalize(), operator=(), operator==(), setNormal(), setPlane(), and toString().

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

Public Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation