Bezier3D Class Reference

Class Bezier3D represents a bezier curve, represented by control points. More...

#include <Bezier3D.h>

Inheritance diagram for Bezier3D:

Public Member Functions
	Bezier3D ()
	Default constructor.
	Bezier3D (ParametricLine *par, QVector< Point3D * > *controlpoly)
	Constructor, par is a pointer to the parent, controlpoly a controlpolygon.
virtual	~Bezier3D ()
	Destructor.
virtual void	add (ParametricLine *pl)
	Do not use this method, since a Bezier curve does not consist of other curves.
virtual void	calcFirstDer (float t, Vector3D *v)
	Calculates the first derivative and assigns it to v.
virtual void	calcSecDer (float t, Vector3D *v)
	Calculates the second derivative and assigns it to v.
virtual void	calcPoint (float t, Point3D *p)
	Calculates the point on the curve and assigns it to p.
virtual void	changeDirection ()
	changes the order of control points
virtual void	remove (int i)
	Do not use this method, since a Bezier curve does not consist of other curves.
virtual const Point3D *	getControlPoint (int number) const
	Returns a control point.
virtual const QVector< Point3D * > *	getControlPoly () const
	Returns a pointer to the control polygon.
virtual int	getDegree () const
	Returns the degree of the curve.
virtual ParametricLine *	getParent () const
	Returns the parent.
virtual void	setParent (ParametricLine *par)
	Sets the parent.
virtual void	setControlPoly (QVector< Point3D * > *cp)
	Sets the control polygon.
Public Member Functions inherited from ParametricLine
	ParametricLine ()
	Default constructor.
	ParametricLine (ParametricLine *par, QVector< Point3D * > *controlpoly)
	Constructor, par is a pointer to the parent object, controlpoly the controlpolygon.
virtual	~ParametricLine ()
	Destructor.

Additional Inherited Members
Protected Attributes inherited from ParametricLine
int	mDegree
	Degree of the parametric Line.
ParametricLine *	mParent
	Pointer to the parent object.
QVector< Point3D * > *	mControlPoly
	mControlPoly stores the points of the control polygon

Detailed Description

Class Bezier3D represents a bezier curve, represented by control points.

Parameter t is running from 0 to 1. The class is capable to calculate the curve point and the first two derivatives belonging to t.

Constructor & Destructor Documentation

Bezier3D::Bezier3D ( )

inline

Default constructor.

Bezier3D::Bezier3D ( ParametricLine *  par, QVector< Point3D * > *  controlpoly  )

inline

Constructor, par is a pointer to the parent, controlpoly a controlpolygon.

Note

not available in python binding

Bezier3D::~Bezier3D ( )

inlinevirtual

Destructor.

Member Function Documentation

void Bezier3D::add ( ParametricLine *  pl )

inlinevirtual

Do not use this method, since a Bezier curve does not consist of other curves.

Implements ParametricLine.

virtual void Bezier3D::calcFirstDer ( float  t, Vector3D *  v  )

virtual

Calculates the first derivative and assigns it to v.

Implements ParametricLine.

virtual void Bezier3D::calcPoint ( float  t, Point3D *  p  )

virtual

Calculates the point on the curve and assigns it to p.

Implements ParametricLine.

virtual void Bezier3D::calcSecDer ( float  t, Vector3D *  v  )

virtual

Calculates the second derivative and assigns it to v.

Implements ParametricLine.

virtual void Bezier3D::changeDirection ( )

virtual

changes the order of control points

Implements ParametricLine.

const Point3D * Bezier3D::getControlPoint ( int  number ) const

inlinevirtual

Returns a control point.

Implements ParametricLine.

const QVector< Point3D * > * Bezier3D::getControlPoly ( ) const

inlinevirtual

Returns a pointer to the control polygon.

Note

not available in python binding

Implements ParametricLine.

int Bezier3D::getDegree ( ) const

inlinevirtual

Returns the degree of the curve.

Implements ParametricLine.

ParametricLine * Bezier3D::getParent ( ) const

inlinevirtual

Returns the parent.

Implements ParametricLine.

void Bezier3D::remove ( int  i )

inlinevirtual

Do not use this method, since a Bezier curve does not consist of other curves.

Implements ParametricLine.

void Bezier3D::setControlPoly ( QVector< Point3D * > *  cp )

inlinevirtual

Sets the control polygon.

Note

not available in python binding

Implements ParametricLine.

void Bezier3D::setParent ( ParametricLine *  par )

inlinevirtual

Sets the parent.

Implements ParametricLine.

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

• /tmp/buildd/qgis-2.6.0+wheezy1/src/analysis/interpolation/Bezier3D.h