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 (doublevalue) const [virtual]

Parameters:

value Value to be transformed

Returns:

value unmodified

Implements QwtTransform.

double QwtNullTransform::transform (doublevalue) const [virtual]

Parameters:

value Value to be transformed

Returns:

value unmodified

Implements QwtTransform.

Author

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