| Qwt User's Guide
    5.2.3
    | 
#include <qwt_scale_map.h>
| Public Types | |
| enum | Type { Linear, Log10, Other } | 
| Public Member Functions | |
| QwtScaleTransformation (Type type) | |
| virtual | ~QwtScaleTransformation () | 
| virtual QwtScaleTransformation * | copy () const | 
| virtual double | invXForm (double x, double p1, double p2, double s1, double s2) const | 
| Type | type () const | 
| virtual double | xForm (double x, double s1, double s2, double p1, double p2) const | 
Operations for linear or logarithmic (base 10) transformations.
| 
 | virtual | 
Transform a value from the coordinate system of the paint device into the coordinate system of a scale.
| p | Value related to the coordinate system of the paint device | 
| p1 | First border of the coordinate system of the paint device | 
| p2 | Second border of the coordinate system of the paint device | 
| s1 | First border of the coordinate system of the scale | 
| s2 | Second border of the coordinate system of the scale | 
| 
 | inline | 
| 
 | virtual | 
Transform a value from the coordinate system of a scale into the coordinate system of the paint device.
| s | Value related to the coordinate system of the scale | 
| s1 | First border of the coordinate system of the scale | 
| s2 | Second border of the coordinate system of the scale | 
| p1 | First border of the coordinate system of the paint device | 
| p2 | Second border of the coordinate system of the paint device | 
 1.8.1
 1.8.1