timeseries_qwt.h

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#ifndef PLOTDATA_QWT_H
#define PLOTDATA_QWT_H

#include "series_data.h"
#include "PlotJuggler/plotdata.h"

class TimeseriesQwt: public DataSeriesBase
{
public:

    TimeseriesQwt(const PlotData *source_data, const PlotData* transformed_data);

    PlotData::RangeValueOpt getVisualizationRangeY(PlotData::RangeTime range_X) override;

    nonstd::optional<QPointF> sampleFromTime(double t) override;

protected:
    const PlotData*  _source_data;
    PlotData   _cached_data;
};

//---------------------------------------------------------

class Timeseries_NoTransform: public TimeseriesQwt
{
public:
    Timeseries_NoTransform(const PlotData* source_data):
        TimeseriesQwt( source_data, source_data )
    {
        updateCache();
    }

     bool updateCache() override;

};

class Timeseries_1stDerivative: public TimeseriesQwt
{
public:
    Timeseries_1stDerivative(const PlotData* source_data):
        TimeseriesQwt(source_data, &_cached_data)
    {
        updateCache();
    }

     bool updateCache() override;
};

class Timeseries_2ndDerivative: public TimeseriesQwt
{
public:
    Timeseries_2ndDerivative(const PlotData* source_data):
        TimeseriesQwt(source_data, &_cached_data)
    {
        updateCache();
    }

     bool updateCache() override;
};



#endif // PLOTDATA_H