#include <LnScaleEngine.h>
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virtual void | autoScale (int maxSteps, double &x1, double &x2, double &stepSize) const |
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virtual QwtScaleDiv | divideScale (double x1, double x2, int numMajorSteps, int numMinorSteps, double stepSize=0.0) const |
| Calculate a scale division. More...
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virtual QwtScaleTransformation * | transformation () const |
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QwtDoubleInterval | ln (const QwtDoubleInterval &) const |
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QwtDoubleInterval | align (const QwtDoubleInterval &, double stepSize) const |
| Align an interval to a step size. More...
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QwtValueList | buildMajorTicks (const QwtDoubleInterval &interval, double stepSize) const |
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QwtValueList | buildMinorTicks (const QwtValueList &majorTicks, int maxMinMark, double step) const |
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void | buildTicks (const QwtDoubleInterval &, double stepSize, int maxMinSteps, QwtValueList ticks[QwtScaleDiv::NTickTypes]) const |
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§ align()
QwtDoubleInterval LnScaleEngine::align |
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const QwtDoubleInterval & |
interval, |
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double |
stepSize |
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private |
Align an interval to a step size.
The limits of an interval are aligned that both are integer multiples of the step size.
- Parameters
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interval | Interval |
stepSize | Step size |
- Returns
- Aligned interval
References ln().
Referenced by autoScale(), and buildTicks().
§ autoScale()
void LnScaleEngine::autoScale |
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int |
maxNumSteps, |
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double & |
x1, |
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double & |
x2, |
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double & |
stepSize |
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virtual |
Align and divide an interval
- Parameters
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maxNumSteps | Max. number of steps |
x1 | First limit of the interval (In/Out) |
x2 | Second limit of the interval (In/Out) |
stepSize | Step size (Out) |
References align(), and ln().
§ buildMajorTicks()
QwtValueList LnScaleEngine::buildMajorTicks |
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const QwtDoubleInterval & |
interval, |
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double |
stepSize |
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private |
§ buildMinorTicks()
QwtValueList LnScaleEngine::buildMinorTicks |
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const QwtValueList & |
majorTicks, |
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int |
maxMinMark, |
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double |
step |
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private |
§ buildTicks()
void LnScaleEngine::buildTicks |
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const QwtDoubleInterval & |
interval, |
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double |
stepSize, |
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int |
maxMinSteps, |
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QwtValueList |
ticks[QwtScaleDiv::NTickTypes] |
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§ divideScale()
QwtScaleDiv LnScaleEngine::divideScale |
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double |
x1, |
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double |
x2, |
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int |
maxMajSteps, |
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int |
maxMinSteps, |
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double |
stepSize = 0.0 |
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virtual |
Calculate a scale division.
- Parameters
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x1 | First interval limit |
x2 | Second interval limit |
maxMajSteps | Maximum for the number of major steps |
maxMinSteps | Maximum number of minor steps |
stepSize | Step size. If stepSize == 0, the scaleEngine calculates one. |
References buildTicks(), and ln().
§ ln()
QwtDoubleInterval LnScaleEngine::ln |
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const QwtDoubleInterval & |
interval | ) |
const |
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§ transformation()
QwtScaleTransformation * LnScaleEngine::transformation |
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const |
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virtual |
Return a dummy transformation
The documentation for this class was generated from the following files: