QwtPowerTransform(3)           Qwt User's Guide           QwtPowerTransform(3)

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

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.

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.

Version 6.2.0                   Sun Jul 18 2021           QwtPowerTransform(3)