QwtPolarFitter Class Reference

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

#include <qwt_polar_fitter.h>

Inheritance diagram for QwtPolarFitter:

Classes
class	PrivateData

Public Member Functions
	QwtPolarFitter (int stepCount=5)
	Constructor.
	~QwtPolarFitter () override
	Destructor.
void	setStepCount (int size)
	Set the step count.
int	stepCount () const
	Get the step count.
virtual QPolygonF	fitCurve (const QPolygonF &) const override
	Fit a curve.
virtual QPainterPath	fitCurvePath (const QPolygonF &) const override
	Fit a curve path.
Public Member Functions inherited from QwtCurveFitter
virtual	~QwtCurveFitter ()
	Destructor.
Mode	mode () const
	Get the preferred fitting mode.

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)
	Constructor.

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()

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()

Destructor

Member Function Documentation

fitCurve()

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

overridevirtual

Fit a curve.

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.

fitCurvePath()

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

overridevirtual

Fit a curve path.

Create a curve path from the data points.

Parameters

points

Series of data points

Returns

Curve path

See also

fitCurve()

Implements QwtCurveFitter.

setStepCount()

void QwtPolarFitter::setStepCount

(

int

stepCount

)

Set the step count.

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()

stepCount()

int QwtPolarFitter::stepCount

(

)

const

Get the step count.

Get the number of points that will be inserted between 2 points.

Returns

Number of points that will be inserted between 2 points

See also

setStepCount()

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

• /home/runner/work/QWT/QWT/src/plot/qwt_polar_fitter.h
• /home/runner/work/QWT/QWT/src/plot/qwt_polar_fitter.cpp