ParametricLine Class Reference

An interface for parametric lines used during triangulation. More...

#include <ParametricLine.h>

Inheritance diagram for ParametricLine:

Public Member Functions
	ParametricLine ()=default
	ParametricLine (ParametricLine *par, QVector< QgsPoint * > *controlpoly)
	Constructor, par is a pointer to the parent object, controlpoly the controlpolygon.
virtual	~ParametricLine ()=default
virtual void	add (ParametricLine *pl)=0
virtual void	calcFirstDer (float t, Vector3D *v)=0
virtual void	calcPoint (float t, QgsPoint *p)=0
virtual void	calcSecDer (float t, Vector3D *v)=0
virtual void	changeDirection ()=0
virtual const QgsPoint *	getControlPoint (int number) const =0
virtual const QVector< QgsPoint * > *	getControlPoly () const =0
virtual int	getDegree () const =0
virtual ParametricLine *	getParent () const =0
virtual void	remove (int i)=0
virtual void	setControlPoly (QVector< QgsPoint * > *cp)=0
virtual void	setParent (ParametricLine *paral)=0

Protected Attributes
QVector< QgsPoint * > *	mControlPoly = nullptr
	MControlPoly stores the points of the control polygon.
int	mDegree = 0
	Degree of the parametric Line.
ParametricLine *	mParent = nullptr
	Pointer to the parent object. If there isn't one, mParent is 0.

Detailed Description

An interface for parametric lines used during triangulation.

It is possible, that a parametric line is composed of several parametric lines (see the composite pattern in Gamma et al. 'Design Patterns'). Do not build instances of it since it is an abstract class.

Note

Not available in Python bindings

Definition at line 38 of file ParametricLine.h.

Constructor & Destructor Documentation

ParametricLine() [1/2]

ParametricLine::ParametricLine ( )

default

ParametricLine() [2/2]

ParametricLine::ParametricLine ( ParametricLine * par, QVector< QgsPoint * > * controlpoly )

inline

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

Definition at line 77 of file ParametricLine.h.

~ParametricLine()

virtual ParametricLine::~ParametricLine ( )

virtualdefault

Member Function Documentation

add()

void ParametricLine::add ( ParametricLine * pl )

pure virtual

Implemented in Bezier3D.

Definition at line 21 of file ParametricLine.cpp.

calcFirstDer()

void ParametricLine::calcFirstDer ( float t, Vector3D * v )

pure virtual

Implemented in Bezier3D.

Definition at line 27 of file ParametricLine.cpp.

calcPoint()

void ParametricLine::calcPoint ( float t, QgsPoint * p )

pure virtual

Implemented in Bezier3D.

Definition at line 41 of file ParametricLine.cpp.

calcSecDer()

void ParametricLine::calcSecDer ( float t, Vector3D * v )

pure virtual

Implemented in Bezier3D.

Definition at line 34 of file ParametricLine.cpp.

changeDirection()

virtual void ParametricLine::changeDirection ( )

pure virtual

Implemented in Bezier3D.

getControlPoint()

const QgsPoint * ParametricLine::getControlPoint ( int number ) const

pure virtual

Implemented in Bezier3D.

Definition at line 78 of file ParametricLine.cpp.

getControlPoly()

const QVector< QgsPoint * > * ParametricLine::getControlPoly ( ) const

pure virtual

Implemented in Bezier3D.

Definition at line 85 of file ParametricLine.cpp.

getDegree()

int ParametricLine::getDegree ( ) const

pure virtual

Implemented in Bezier3D.

Definition at line 72 of file ParametricLine.cpp.

getParent()

ParametricLine * ParametricLine::getParent ( ) const

pure virtual

Implemented in Bezier3D.

Definition at line 48 of file ParametricLine.cpp.

remove()

void ParametricLine::remove ( int i )

pure virtual

Implemented in Bezier3D.

Definition at line 54 of file ParametricLine.cpp.

setControlPoly()

void ParametricLine::setControlPoly ( QVector< QgsPoint * > * cp )

pure virtual

Implemented in Bezier3D.

Definition at line 60 of file ParametricLine.cpp.

setParent()

void ParametricLine::setParent ( ParametricLine * paral )

pure virtual

Implemented in Bezier3D.

Definition at line 66 of file ParametricLine.cpp.

Member Data Documentation

mControlPoly

QVector<QgsPoint *>* ParametricLine::mControlPoly = nullptr

protected

MControlPoly stores the points of the control polygon.

Definition at line 46 of file ParametricLine.h.

mDegree

int ParametricLine::mDegree = 0

protected

Degree of the parametric Line.

Definition at line 42 of file ParametricLine.h.

mParent

ParametricLine* ParametricLine::mParent = nullptr

protected

Pointer to the parent object. If there isn't one, mParent is 0.

Definition at line 44 of file ParametricLine.h.

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

• /build/qgis-3.99.0+git20251205+26c88405ac0+99sid/src/analysis/interpolation/ParametricLine.h
• /build/qgis-3.99.0+git20251205+26c88405ac0+99sid/src/analysis/interpolation/ParametricLine.cpp