moving_variance.h

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#pragma once
 
#include <QRadioButton>
#include <QSpinBox>
#include <QDoubleSpinBox>
#include "PlotJuggler/transform_function.h"
#include "ui_moving_variance.h"
#include "PlotJuggler/contrib/ring_span.hpp"
 
using namespace PJ;
 
namespace Ui
{
class MovingVarianceFilter;
}
 
class MovingVarianceFilter : public TransformFunction_SISO
{
public:
  explicit MovingVarianceFilter();
 
  ~MovingVarianceFilter() override;
 
  void reset() override;
 
  static const char* transformName()
  {
    return "Moving Variance / Stdev";
  }
 
  const char* name() const override
  {
    return transformName();
  }
 
  QWidget* optionsWidget() override;
 
  bool xmlSaveState(QDomDocument& doc, QDomElement& parent_element) const override;
 
  bool xmlLoadState(const QDomElement& parent_element) override;
 
private:
  Ui::MovingVarianceFilter* ui;
  QWidget* _widget;
  std::vector<PlotData::Point> _buffer;
  nonstd::ring_span_lite::ring_span<PlotData::Point> _ring_view;
 
  std::optional<PlotData::Point> calculateNextPoint(size_t index) override;
};