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

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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Wed Jan 2 2019 Version 6.1.4