| Qwt User's Guide
    6.2.0
    | 
Logarithmic transformation. More...
#include <qwt_transform.h>
| Public Member Functions | |
| QwtLogTransform () | |
| Constructor. | |
| virtual | ~QwtLogTransform () | 
| Destructor. | |
| virtual double | transform (double value) const override | 
| virtual double | invTransform (double value) const override | 
| virtual double | bounded (double value) const override | 
| virtual QwtTransform * | copy () const override | 
|  Public Member Functions inherited from QwtTransform | |
| QwtTransform () | |
| Constructor. | |
| virtual | ~QwtTransform () | 
| Destructor. | |
| Static Public Attributes | |
| static const double | LogMin = 1.0e-150 | 
| Smallest allowed value for logarithmic scales: 1.0e-150. | |
| static const double | LogMax = 1.0e150 | 
| Largest allowed value for logarithmic scales: 1.0e150. | |
Logarithmic transformation.
QwtLogTransform modifies the values using log() and exp().
Definition at line 100 of file qwt_transform.h.
| 
 | overridevirtual | 
| value | Value to be bounded | 
Reimplemented from QwtTransform.
Definition at line 106 of file qwt_transform.cpp.
| 
 | overridevirtual | 
Implements QwtTransform.
Definition at line 112 of file qwt_transform.cpp.
| 
 | overridevirtual | 
| value | Value to be transformed | 
Implements QwtTransform.
Definition at line 97 of file qwt_transform.cpp.
| 
 | overridevirtual | 
| value | Value to be transformed | 
Implements QwtTransform.
Definition at line 88 of file qwt_transform.cpp.