QwtPolarFitter - Man Page
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
Additional Inherited Members
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.
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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