QGIS API Documentation: Bezier3D Class Reference

QGIS API Documentation 2.8.6-Wien

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

#include <Bezier3D.h>

Inheritance diagram for Bezier3D:

Inheritance graph

[legend]

Public Member Functions
	Bezier3D ()
	Default constructor. More...

	Bezier3D (ParametricLine par, QVector< Point3D > *controlpoly)
	Constructor, par is a pointer to the parent, controlpoly a controlpolygon. More...

virtual	~Bezier3D ()
	Destructor. More...

virtual void	add (ParametricLine *pl) override
	Do not use this method, since a Bezier curve does not consist of other curves. More...

virtual void	calcFirstDer (float t, Vector3D *v) override
	Calculates the first derivative and assigns it to v. More...

virtual void	calcPoint (float t, Point3D *p) override
	Calculates the point on the curve and assigns it to p. More...

virtual void	calcSecDer (float t, Vector3D *v) override
	Calculates the second derivative and assigns it to v. More...

virtual void	changeDirection () override
	changes the order of control points More...

virtual const Point3D *	getControlPoint (int number) const override
	Returns a control point. More...

virtual const QVector< Point3D * > *	getControlPoly () const override
	Returns a pointer to the control polygon. More...

virtual int	getDegree () const override
	Returns the degree of the curve. More...

virtual ParametricLine *	getParent () const override
	Returns the parent. More...

virtual void	remove (int i) override
	Do not use this method, since a Bezier curve does not consist of other curves. More...

virtual void	setControlPoly (QVector< Point3D * > *cp) override
	Sets the control polygon. More...

virtual void	setParent (ParametricLine *par) override
	Sets the parent. More...

Public Member Functions inherited from ParametricLine
	ParametricLine ()
	Default constructor. More...

	ParametricLine (ParametricLine par, QVector< Point3D > *controlpoly)
	Constructor, par is a pointer to the parent object, controlpoly the controlpolygon. More...

virtual	~ParametricLine ()
	Destructor. More...

Additional Inherited Members
Protected Attributes inherited from ParametricLine
QVector< Point3D * > *	mControlPoly
	mControlPoly stores the points of the control polygon More...

int	mDegree
	Degree of the parametric Line. More...

ParametricLine *	mParent
	Pointer to the parent object. More...

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.

Definition at line 26 of file Bezier3D.h.

Constructor & Destructor Documentation

Bezier3D::Bezier3D ( )

inline

Default constructor.

Definition at line 72 of file Bezier3D.h.

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

Definition at line 77 of file Bezier3D.h.

Bezier3D::~Bezier3D ( )

inlinevirtual

Destructor.

Definition at line 82 of file Bezier3D.h.

Member Function Documentation

void Bezier3D::add ( ParametricLine * pl )

inlineoverridevirtual

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

Implements ParametricLine.

Definition at line 89 of file Bezier3D.h.

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

overridevirtual

Calculates the first derivative and assigns it to v.

Implements ParametricLine.

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

overridevirtual

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

Implements ParametricLine.

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

overridevirtual

Calculates the second derivative and assigns it to v.

Implements ParametricLine.

virtual void Bezier3D::changeDirection ( )

overridevirtual

changes the order of control points

Implements ParametricLine.

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

inlineoverridevirtual

Returns a control point.

Implements ParametricLine.

Definition at line 103 of file Bezier3D.h.

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

inlineoverridevirtual

Returns a pointer to the control polygon.

Note: not available in python binding

Implements ParametricLine.

Definition at line 108 of file Bezier3D.h.

int Bezier3D::getDegree ( ) const

inlineoverridevirtual

Returns the degree of the curve.

Implements ParametricLine.

Definition at line 113 of file Bezier3D.h.

ParametricLine * Bezier3D::getParent ( ) const

inlineoverridevirtual

Returns the parent.

Implements ParametricLine.

Definition at line 118 of file Bezier3D.h.

void Bezier3D::remove ( int i )

inlineoverridevirtual

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

Implements ParametricLine.

Definition at line 95 of file Bezier3D.h.

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

inlineoverridevirtual

Sets the control polygon.

Note: not available in python binding

Implements ParametricLine.

Definition at line 128 of file Bezier3D.h.

void Bezier3D::setParent ( ParametricLine * par )

inlineoverridevirtual

Sets the parent.

Implements ParametricLine.

Definition at line 123 of file Bezier3D.h.

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

/build/qgis-kTw4tW/qgis-2.8.6+dfsg/src/analysis/interpolation/Bezier3D.h