TOPPmtGainPar.h

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
 
#pragma once
 
#include <TObject.h>
#include <math.h>
 
namespace Belle2 {

  class TOPPmtGainPar : public TObject {
  public:
    enum {c_NumPmtPixels = 16};

    TOPPmtGainPar()
    {}

    explicit TOPPmtGainPar(const std::string& serialNumber):
      m_serialNumber(serialNumber)
    {}

    void setPmtPixelData(unsigned pmtPixel, double constant, double slope, double ratio)
    {
      pmtPixel--;
      if (pmtPixel >= c_NumPmtPixels) return;
      m_constant[pmtPixel] = constant;
      m_slope[pmtPixel] = slope;
      m_ratio[pmtPixel] = ratio;
    }

    void setNominalHV0(float HV) {m_HV_noB = HV;}

    void setNominalHV(float HV) {m_HV_withB = HV;}

    const std::string& getSerialNumber() const {return m_serialNumber;}

    double getConstant(unsigned pmtPixel) const
    {
      pmtPixel--;
      if (pmtPixel >= c_NumPmtPixels) return 0;
      return m_constant[pmtPixel];
    }

    double getSlope(unsigned pmtPixel) const
    {
      pmtPixel--;
      if (pmtPixel >= c_NumPmtPixels) return 0;
      return m_slope[pmtPixel];
    }

    double getRatio(unsigned pmtPixel) const
    {
      pmtPixel--;
      if (pmtPixel >= c_NumPmtPixels) return 0;
      return m_ratio[pmtPixel];
    }

    float getNominalHV0() const {return m_HV_noB;}

    float getNominalHV() const {return m_HV_withB;}

    double getGain0(unsigned pmtPixel, double HV) const
    {
      pmtPixel--;
      if (pmtPixel >= c_NumPmtPixels) return 0;
      return exp(m_constant[pmtPixel] + m_slope[pmtPixel] * HV) * 1.0e6;
    }

    double getGain(unsigned pmtPixel, float HV) const
    {
      return getGain0(pmtPixel, HV) * getRatio(pmtPixel);
    }

    void print() const;
 
 
  private:
 
    std::string m_serialNumber;             
    float m_constant[c_NumPmtPixels] = {0}; 
    float m_slope[c_NumPmtPixels] = {0};    
    float m_ratio[c_NumPmtPixels] = {0};    
    float m_HV_noB = 0;                     
    float m_HV_withB = 0;                   
 
    ClassDef(TOPPmtGainPar, 3); 
 
  };

} // end namespace Belle2