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#include <qwt_plot.h>
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#include <qdatetime.h>
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class Curve;
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class Plot: public QwtPlot
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{
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public:
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Plot( QWidget * = NULL);
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protected:
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virtual void timerEvent( QTimerEvent * );
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private:
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void updateCurves();
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enum { CurveCount = 4 };
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Curve *d_curves[CurveCount];
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QTime d_time;
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};
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