| Qwt User's Guide 6.3.0
    | 
A transformation using pow() More...
#include <qwt_transform.h>
| Public Member Functions | |
| QwtPowerTransform (double exponent) | |
| virtual | ~QwtPowerTransform () | 
| Destructor. | |
| virtual double | transform (double value) const override | 
| virtual double | invTransform (double value) const override | 
| virtual QwtTransform * | copy () const override | 
|  Public Member Functions inherited from QwtTransform | |
| QwtTransform () | |
| Constructor. | |
| virtual | ~QwtTransform () | 
| Destructor. | |
| virtual double | bounded (double value) const | 
A transformation using pow()
QwtPowerTransform preserves the sign of a value. F.e. a transformation with a factor of 2 transforms a value of -3 to -9 and v.v. Thus QwtPowerTransform can be used for scales including negative values.
Definition at line 125 of file qwt_transform.h.
| 
 | explicit | 
| 
 | virtual | 
Destructor.
Definition at line 128 of file qwt_transform.cpp.
| 
 | overridevirtual | 
Implements QwtTransform.
Definition at line 158 of file qwt_transform.cpp.
| 
 | overridevirtual | 
| value | Value to be transformed | 
Implements QwtTransform.
Definition at line 149 of file qwt_transform.cpp.
| 
 | overridevirtual | 
| value | Value to be transformed | 
Implements QwtTransform.
Definition at line 136 of file qwt_transform.cpp.