QwtPowerTransform - A transformation using pow()

NAME  SYNOPSIS  Public Member Functions  Detailed Description  Constructor & Destructor Documentation  QwtPowerTransform::QwtPowerTransform (double exponent) [explicit]  QwtPowerTransform::˜QwtPowerTransform () [virtual]  Member Function Documentation  QwtTransform * QwtPowerTransform::copy () const [override], [virtual]  double QwtPowerTransform::invTransform (double value) const [override],[virtual]  double QwtPowerTransform::transform (double value) const [override],[virtual]  Author 

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NAME

QwtPowerTransform − A transformation using pow()

SYNOPSIS

#include <qwt_transform.h>

Inherits QwtTransform.

Public Member Functions

QwtPowerTransform (double exponent)
virtual ˜QwtPowerTransform ()
Destructor.
virtual double transform (double value) const override
virtual double invTransform (double value) const override
virtual QwtTransform * copy () const override

Public Member Functions inherited from QwtTransform

QwtTransform ()
Constructor.
virtual ˜QwtTransform ()
Destructor.
virtual double bounded (double value) const

Detailed Description

A transformation using pow()

QwtPowerTransform preserves the sign of a value. F.e. a transformation with a factor of 2 transforms a value of -3 to -9 and v.v. Thus QwtPowerTransform can be used for scales including negative values.

Definition at line 125 of file qwt_transform.h.

Constructor & Destructor Documentation

QwtPowerTransform::QwtPowerTransform (double exponent) [explicit]

Constructor

Parameters

exponent Exponent

Definition at line 121 of file qwt_transform.cpp.

QwtPowerTransform::˜QwtPowerTransform () [virtual]

Destructor.

Definition at line 128 of file qwt_transform.cpp.

Member Function Documentation

QwtTransform * QwtPowerTransform::copy () const [override], [virtual]

Returns

Clone of the transformation

Implements QwtTransform.

Definition at line 158 of file qwt_transform.cpp.

double QwtPowerTransform::invTransform (double value) const [override],[virtual]

Parameters

value Value to be transformed

Returns

Inverse exponentiation preserving the sign

Implements QwtTransform.

Definition at line 149 of file qwt_transform.cpp.

double QwtPowerTransform::transform (double value) const [override],[virtual]

Parameters

value Value to be transformed

Returns

Exponentiation preserving the sign

Implements QwtTransform.

Definition at line 136 of file qwt_transform.cpp.

Author

Generated automatically by Doxygen for Qwt User’s Guide from the source code.

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