QwtPolarFitter类 参考

A simple curve fitter for polar points 更多...

#include <qwt_polar_fitter.h>

类 QwtPolarFitter 继承关系图:

类
class	PrivateData

Public 成员函数
	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 成员函数 继承自 QwtCurveFitter
virtual	~QwtCurveFitter ()
	Destructor
Mode	mode () const
	Get the preferred fitting mode

额外继承的成员函数
Public 类型 继承自 QwtCurveFitter
enum	Mode { Polygon , Path }
	Preferred mode of the fitting algorithm 更多...
Protected 成员函数 继承自 QwtCurveFitter
	QwtCurveFitter (Mode mode)
	Constructor

详细描述

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.

参见

QwtPolarCurve::setCurveFitter()

构造及析构函数说明

QwtPolarFitter()

QwtPolarFitter::QwtPolarFitter

(

int

stepCount = 5

)

Constructor

参数

stepCount

Number of points that will be inserted between 2 points

参见

setStepCount()

Destructor

成员函数说明

fitCurve()

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

overridevirtual

Fit a curve

Insert stepCount() number of additional points between 2 elements of points

参数

points

Array of points

返回

Array of points including the additional points

实现了 QwtCurveFitter.

fitCurvePath()

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

overridevirtual

Fit a curve path

Create a curve path from the data points

参数

points

Series of data points

返回

Curve path

参见

fitCurve()

实现了 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.

参数

stepCount

Number of steps

参见

stepCount()

stepCount()

int QwtPolarFitter::stepCount

(

)

const

Get the step count

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

返回

Number of points that will be inserted between 2 points

参见

setStepCount()

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该类的文档由以下文件生成:

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