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Qwt User's Guide
6.2.0
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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.
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explicit |
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overridevirtual |
Implements QwtTransform.
Definition at line 158 of file qwt_transform.cpp.
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overridevirtual |
| value | Value to be transformed |
Implements QwtTransform.
Definition at line 149 of file qwt_transform.cpp.
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overridevirtual |
| value | Value to be transformed |
Implements QwtTransform.
Definition at line 136 of file qwt_transform.cpp.