QwtPolarFitter Class Reference

A simple curve fitter for polar points. More...

#include <qwt_polar_fitter.h>

Inheritance diagram for QwtPolarFitter:

Public Member Functions
	QwtPolarFitter (int stepCount=5)
virtual	~QwtPolarFitter ()
	Destructor.
void	setStepCount (int size)
int	stepCount () const
virtual QPolygonF	fitCurve (const QPolygonF &) const override
virtual QPainterPath	fitCurvePath (const QPolygonF &) const override
Public Member Functions inherited from QwtCurveFitter
virtual	~QwtCurveFitter ()
	Destructor.
Mode	mode () const

Additional Inherited Members
Public Types inherited from QwtCurveFitter
enum	Mode { Polygon , Path }
	Preferred mode of the fitting algorithm. More...
Protected Member Functions inherited from QwtCurveFitter
	QwtCurveFitter (Mode mode)

Detailed Description

A simple curve fitter for polar points.

QwtPolarFitter adds equidistant points between 2 curve points, so that the connection gets rounded according to the nature of a polar plot.

See also

QwtPolarCurve::setCurveFitter()

Definition at line 24 of file qwt_polar_fitter.h.

Constructor & Destructor Documentation

QwtPolarFitter()

QwtPolarFitter::QwtPolarFitter

(

int

stepCount = 5

)

Constructor

Parameters

stepCount

Number of points, that will be inserted between 2 points

See also

setStepCount()

Definition at line 30 of file qwt_polar_fitter.cpp.

~QwtPolarFitter()

QwtPolarFitter::~QwtPolarFitter ( )

virtual

Destructor.

Definition at line 38 of file qwt_polar_fitter.cpp.

Member Function Documentation

fitCurve()

QPolygonF QwtPolarFitter::fitCurve ( const QPolygonF & points ) const

overridevirtual

Insert stepCount() number of additional points between 2 elements of points.

Parameters

points

Array of points

Returns

Array of points including the additional points

Implements QwtCurveFitter.

Definition at line 72 of file qwt_polar_fitter.cpp.

fitCurvePath()

QPainterPath QwtPolarFitter::fitCurvePath ( const QPolygonF & points ) const

overridevirtual

Parameters

points

Series of data points

Returns

Curve path

See also

fitCurve()

Implements QwtCurveFitter.

Definition at line 110 of file qwt_polar_fitter.cpp.

setStepCount()

void QwtPolarFitter::setStepCount

(

int

stepCount

)

Assign the number of points, that will be inserted between 2 points The default value is 5.

Parameters

stepCount

Number of steps

See also

stepCount()

Definition at line 51 of file qwt_polar_fitter.cpp.

stepCount()

int QwtPolarFitter::stepCount

(

)

const

Returns

Number of points, that will be inserted between 2 points

See also

setStepCount()

Definition at line 60 of file qwt_polar_fitter.cpp.