table of contents
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- testing 6.1.4-2
- unstable 6.1.4-2
- experimental 6.2.0-1
QwtLogTransform(3) | Qwt User's Guide | QwtLogTransform(3) |
NAME¶
QwtLogTransform - Logarithmic transformation.
SYNOPSIS¶
#include <qwt_transform.h>
Inherits QwtTransform.
Public Member Functions¶
QwtLogTransform ()
Constructor. virtual ~QwtLogTransform ()
Destructor. virtual double transform (double value) const
virtual double invTransform (double value) const
virtual double bounded (double value) const
virtual QwtTransform * copy () const
Public Attributes¶
QT_STATIC_CONST double LogMin = 1.0e-150
Smallest allowed value for logarithmic scales: 1.0e-150. QT_STATIC_CONST
double LogMax = 1.0e150
Largest allowed value for logarithmic scales: 1.0e150.
Detailed Description¶
Logarithmic transformation.
QwtLogTransform modifies the values using log() and exp().
Note:
Member Function Documentation¶
double QwtLogTransform::bounded (double value) const [virtual]¶
Parameters:
Returns:
Reimplemented from QwtTransform.
QwtTransform * QwtLogTransform::copy () const [virtual]¶
Returns:
Implements QwtTransform.
double QwtLogTransform::invTransform (double value) const [virtual]¶
Parameters:
Returns:
Implements QwtTransform.
double QwtLogTransform::transform (double value) const [virtual]¶
Parameters:
Returns:
Implements QwtTransform.
Author¶
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Wed Jan 2 2019 | Version 6.1.4 |