QwtSplineCurveFitter Class Reference

A curve fitter using a spline interpolation. More...

#include <qwt_spline_curve_fitter.h>

Inheritance diagram for QwtSplineCurveFitter:

List of all members.

Public Member Functions
virtual QPolygonF	fitCurve (const QPolygonF &) const
virtual QPainterPath	fitCurvePath (const QPolygonF &) const
	QwtSplineCurveFitter ()
	Constructor.
void	setSpline (QwtSpline *)
const QwtSpline *	spline () const
QwtSpline *	spline ()
virtual	~QwtSplineCurveFitter ()
	Destructor.
Private Attributes
QwtSpline *	d_spline

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Detailed Description

A curve fitter using a spline interpolation.

The default setting for the spline is a cardinal spline with uniform parametrization.

See also:

QwtSpline, QwtSplineLocal

Definition at line 25 of file qwt_spline_curve_fitter.h.

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Constructor & Destructor Documentation

QwtSplineCurveFitter::QwtSplineCurveFitter

(

)

Constructor.

Definition at line 15 of file qwt_spline_curve_fitter.cpp.

QwtSplineCurveFitter::~QwtSplineCurveFitter

(

)

[virtual]

Destructor.

Definition at line 23 of file qwt_spline_curve_fitter.cpp.

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Member Function Documentation

QPolygonF QwtSplineCurveFitter::fitCurve

(

const QPolygonF &

points

)

const [virtual]

Find a curve which has the best fit to a series of data points

Parameters:

points

Series of data points

Returns:

Fitted Curve

See also:

fitCurvePath()

Implements QwtCurveFitter.

Definition at line 72 of file qwt_spline_curve_fitter.cpp.

QPainterPath QwtSplineCurveFitter::fitCurvePath

(

const QPolygonF &

points

)

const [virtual]

Find a curve path which has the best fit to a series of data points

Parameters:

points

Series of data points

Returns:

Fitted Curve

See also:

fitCurve()

Implements QwtCurveFitter.

Definition at line 91 of file qwt_spline_curve_fitter.cpp.

void QwtSplineCurveFitter::setSpline

(

QwtSpline *

spline

)

Assign a spline

The spline needs to be allocated by new and will be deleted in the destructor of the fitter.

Parameters:

spline

Spline

See also:

spline()

Definition at line 37 of file qwt_spline_curve_fitter.cpp.

const QwtSpline * QwtSplineCurveFitter::spline

(

)

const

Returns:

Spline

See also:

setSpline()

Definition at line 50 of file qwt_spline_curve_fitter.cpp.

QwtSpline * QwtSplineCurveFitter::spline

(

)

Returns:

Spline

See also:

setSpline()

Definition at line 59 of file qwt_spline_curve_fitter.cpp.

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Member Data Documentation

QwtSpline* QwtSplineCurveFitter::d_spline [private]

Definition at line 40 of file qwt_spline_curve_fitter.h.

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

• qwt_spline_curve_fitter.h
• qwt_spline_curve_fitter.cpp