NAME

       QwtNullTransform - Null transformation.

SYNOPSIS

       #include <qwt_transform.h>

       Inherits QwtTransform.

   Public Member Functions
       QwtNullTransform ()
           Constructor.
       virtual ~QwtNullTransform ()
           Destructor.
       virtual double transform (double value) const
       virtual double invTransform (double value) const
       virtual QwtTransform * copy () const

Detailed Description

       Null transformation.

       QwtNullTransform returns the values unmodified.

Member Function Documentation

   QwtTransform * QwtNullTransform::copy () const [virtual]
       Returns:
           Clone of the transformation

       Implements QwtTransform.

   double QwtNullTransform::invTransform (double value) const [virtual]
       Parameters:
           value Value to be transformed

       Returns:
           value unmodified

       Implements QwtTransform.

   double QwtNullTransform::transform (double value) const [virtual]
       Parameters:
           value Value to be transformed

       Returns:
           value unmodified

       Implements QwtTransform.

Author

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