QwtSplineCurveFitter - Man Page
A curve fitter using a spline interpolation.
Synopsis
#include <qwt_spline_curve_fitter.h>
Inherits QwtCurveFitter.
Public Member Functions
QwtSplineCurveFitter ()
Constructor.
virtual ~QwtSplineCurveFitter ()
Destructor.
void setSpline (QwtSpline *)
const QwtSpline * spline () const
QwtSpline * spline ()
virtual QPolygonF fitCurve (const QPolygonF &) const override
virtual QPainterPath fitCurvePath (const QPolygonF &) const override
Additional Inherited Members
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.
Member Function Documentation
QPolygonF QwtSplineCurveFitter::fitCurve (const QPolygonF & points) const [override], [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 75 of file qwt_spline_curve_fitter.cpp.
QPainterPath QwtSplineCurveFitter::fitCurvePath (const QPolygonF & points) const [override], [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 94 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 40 of file qwt_spline_curve_fitter.cpp.
QwtSpline * QwtSplineCurveFitter::spline ()
- Returns
Spline
- See also
setSpline()
Definition at line 62 of file qwt_spline_curve_fitter.cpp.
const QwtSpline * QwtSplineCurveFitter::spline () const
- Returns
Spline
- See also
setSpline()
Definition at line 53 of file qwt_spline_curve_fitter.cpp.
Author
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