RecoLocalMuon/CSCRecHitD/src/CSCStripData.h - master - githubmirror/cmssw

RecoLocalMuon/CSCRecHitD/src/CSCStripData.h
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31 май 2019, 13:15
31 май 2019, 13:15eb1cff4
#ifndef CSCRecHitD_CSCStripData_h
#define CSCRecHitD_CSCStripData_h

/** \class CSCStripData
 *
 * Hold strip data while building strip hits in CSCHitFromStripOnly.
 *
 */

#include <algorithm>
#include <functional>
#include <vector>
#include <iosfwd>

class CSCStripData {
public:
  /** The default ctor initializes all elements of thePulseHeightMap for
   * which explicit digis do not exist.
   * Use sentinel value for istrip and tmax. 
   *
   * Note that _raw_ pulseheights are int.
   */
  CSCStripData() : phmax_(0.f), tmax_(-1), phRaw_(ntbins_), ph_(ntbins_) {}
  CSCStripData(float phmax, int tmax, const std::vector<int>& phRaw, const std::vector<float>& ph)
      : phmax_(phmax), tmax_(tmax), phRaw_(phRaw), ph_(ph) {}

  CSCStripData(float phmax, int tmax, std::vector<int>&& phRaw, std::vector<float>&& ph)
      : phmax_(phmax), tmax_(tmax), phRaw_(std::move(phRaw)), ph_(std::move(ph)) {}

  void reset() {
    phmax_ = 0.f;
    tmax_ = -1;
  }
  bool valid() const { return tmax_ >= 0; }

  /// maximum pulseheight in one SCA time bin
  float phmax() const { return phmax_; }
  /// the time bin in which the maximum pulseheight occurs (counts from 0)
  int tmax() const { return tmax_; }

  /**
   * pulseheights in the 8 SCA time bins, after pedestal subtraction and (possibly) gain-correction
   */
  const std::vector<float>& ph() const { return ph_; }

  /**
   * pulseheights in the 8 SCA time bins, after pedestal subtraction but without gain-correction
   */
  const std::vector<int>& phRaw() const { return phRaw_; }

  /**
   * scale pulseheights by argument, but leave raw pulseheights unchanged.
   */
  void operator*=(float factor) {
    // scale all elements of ph by 'factor'. Leaves phRaw_ unchanged.
    std::transform(ph_.begin(), ph_.end(), ph_.begin(), [&factor](auto c) { return c * factor; });
    phmax_ *= factor;
  }

  bool operator<(const CSCStripData& data) const { return phmax_ < data.phmax_; }

  /// for debugging purposes
  friend std::ostream& operator<<(std::ostream&, const CSCStripData&);

  // private:

  static constexpr int ntbins_ = 8;  //@@ Number of time bins & hence length of ph vectors
  float phmax_;
  int tmax_;
  std::vector<int> phRaw_;
  std::vector<float> ph_;
};

#endif