PHG4MicromegasDigitizer.h

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// Tell emacs that this is a C++ source
// -*- C++ -*-.

#ifndef G4MICROMEGAS_PHG4MICROMEGASDIGITIZER_H
#define G4MICROMEGAS_PHG4MICROMEGASDIGITIZER_H

#include <fun4all/SubsysReco.h>

#include <phparameter/PHParameterInterface.h>

#include <gsl/gsl_rng.h>

#include <memory>
#include <string>  // for string

class PHCompositeNode;

class PHG4MicromegasDigitizer : public SubsysReco, public PHParameterInterface
{
 public:
  PHG4MicromegasDigitizer(const std::string &name = "PHG4MicromegasDigitizer");

  int InitRun(PHCompositeNode *) override;

  int process_event(PHCompositeNode *topNode) override;

  void SetDefaultParameters() override;

 private:
  double add_noise() const;

  double m_adc_threshold = 2700;

  double m_enc = 670;

  double m_pedestal = 50000;

  double m_volts_per_charge = 20;

  double m_volt_per_electron_signal = 0;

  double m_volt_per_electron_noise = 0;


  static constexpr double m_adc_per_volt = 1024. / 2200;

  class Deleter
  {
   public:
    void operator()(gsl_rng *rng) const { gsl_rng_free(rng); }
  };


  std::unique_ptr<gsl_rng, Deleter> m_rng;
};

#endif