MTDShapeBase.h

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#ifndef __SimFastTiming_FastTimingCommon_MTDShapeBase_h__
#define __SimFastTiming_FastTimingCommon_MTDShapeBase_h__

#include <vector>
#include <array>

#include "SimCalorimetry/CaloSimAlgos/interface/CaloVShape.h"

class MTDShapeBase : public CaloVShape {
public:
  typedef std::vector<double> DVec;

  MTDShapeBase();

  ~MTDShapeBase() override;

  double operator()(double aTime) const override;

  unsigned int indexOfMax() const;
  double timeOfMax() const;
  double timeToRise() const override { return 0.; }

  std::array<float, 3> timeAtThr(const float scale, const float threshold1, const float threshold2) const;

  static constexpr unsigned int kReadoutTimeInterval = 28;  // in nsec
  static constexpr unsigned int kNBinsPerNSec = 100;        // granularity of internal array
  static constexpr unsigned int k1NSecBinsTotal = kReadoutTimeInterval * kNBinsPerNSec;

protected:
  unsigned int timeIndex(double aTime) const;

  void buildMe();

  virtual void fillShape(DVec& aVec) const = 0;

private:
  double linear_interpolation(
      const double& y, const double& x1, const double& x2, const double& y1, const double& y2) const;

  const double qNSecPerBin_;
  unsigned int indexOfMax_;
  double timeOfMax_;
  DVec shape_;
};

#endif