QwtPolarFitter - A simple curve fitter for polar points.

NAME  SYNOPSIS  Public Member Functions  Additional Inherited Members  Detailed Description  Constructor & Destructor Documentation  QwtPolarFitter::QwtPolarFitter (int stepCount = 5)  QwtPolarFitter::˜QwtPolarFitter () [virtual]  Member Function Documentation  QPolygonF QwtPolarFitter::fitCurve (const QPolygonF & points) const[override], [virtual]  QPainterPath QwtPolarFitter::fitCurvePath (const QPolygonF & points) const[override], [virtual]  void QwtPolarFitter::setStepCount (int stepCount)  int QwtPolarFitter::stepCount () const  Author 

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NAME

QwtPolarFitter − A simple curve fitter for polar points.

SYNOPSIS

#include <qwt_polar_fitter.h>

Inherits QwtCurveFitter.

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.

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 (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 () [virtual]

Destructor.

Definition at line 38 of file qwt_polar_fitter.cpp.

Member Function Documentation

QPolygonF QwtPolarFitter::fitCurve (const QPolygonF & points) const[override], [virtual]

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.

QPainterPath QwtPolarFitter::fitCurvePath (const QPolygonF & points) const[override], [virtual]

Parameters

points Series of data points

Returns

Curve path

See also

fitCurve()

Implements QwtCurveFitter.

Definition at line 110 of file qwt_polar_fitter.cpp.

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.

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.

Author

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