rotationfilter.h

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#ifndef ROTATIONFILTER_H
#define ROTATIONFILTER_H
 
#include <QObject>
 
#include "orientationdata.h"
#include "filter.h"
 
class RotationFilter : public QObject, public FilterBase
{
    Q_OBJECT;
public:
    static FilterBase* factoryMethod()
    {
        return new RotationFilter();
    }
 
private:
 
    RotationFilter();
 
    double vectorLength(const TimedXyzData& data);
 
    Sink<RotationFilter, TimedXyzData> accelerometerDataSink_;
    Sink<RotationFilter, CompassData> compassDataSink_;
    Source<TimedXyzData> source_;
 
    void interpret(unsigned, const TimedXyzData*);
    void updateZvalue(unsigned, const CompassData*);
 
    inline int dotProduct(TimedXyzData a, TimedXyzData b) const {
        return (a.x_ * b.x_) + (a.y_ * b.y_) + (a.z_ * b.z_);
    }
 
    TimedXyzData rotation_;
};
 
#endif // ROTATIONFILTER_H