StripCPEgeometric.h

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#ifndef RecoLocalTracker_SiStripRecHitConverter_StripCPEgeometric_H
#define RecoLocalTracker_SiStripRecHitConverter_StripCPEgeometric_H

#include "RecoLocalTracker/SiStripRecHitConverter/interface/StripCPE.h"
#include "RecoLocalTracker/SiStripRecHitConverter/interface/ErrorPropogationTypes.h"

class StripCPEgeometric : public StripCPE 
{

 public:

  using StripCPE::localParameters;
  StripClusterParameterEstimator::LocalValues 
    localParameters( const SiStripCluster&, const GeomDetUnit&, const LocalTrajectoryParameters&) const override;

  StripCPEgeometric( edm::ParameterSet& conf, 
             const MagneticField& mag, 
             const TrackerGeometry& geom, 
             const SiStripLorentzAngle& LorentzAngle,
             const SiStripBackPlaneCorrection& BackPlaneCorrection,
             const SiStripConfObject& confObj,
             const SiStripLatency& latency)
    : StripCPE(conf, mag, geom, LorentzAngle, BackPlaneCorrection, confObj, latency ),
    tan_diffusion_angle(conf.getParameter<double>("TanDiffusionAngle")),    
    thickness_rel_err2(pow(conf.getParameter<double>("ThicknessRelativeUncertainty"), 2)),
    noise_threshold(conf.getParameter<double>("NoiseThreshold")),
    maybe_noise_threshold(conf.getParameter<double>("MaybeNoiseThreshold")),
    scaling_squared(pow(conf.getParameter<double>("UncertaintyScaling"), 2)),
    minimum_uncertainty_squared(pow(conf.getParameter<double>("MinimumUncertainty"),2))
      {}

 private:

  const float 
    tan_diffusion_angle, 
    thickness_rel_err2, 
    noise_threshold, 
    maybe_noise_threshold, 
    scaling_squared, 
    minimum_uncertainty_squared;

  class WrappedCluster {
  public:
    WrappedCluster(const std::vector<stats_t<float> >&);
    void dropSmallerEdgeStrip();
    void addSuppressedEdgeStrip();
    float middle() const;
    stats_t<float> centroid() const;
    stats_t<float> sumQ() const;
    stats_t<float> eta() const;
    bool deformed() const;
    stats_t<float> maxProjection() const;
    stats_t<float> smallerEdgeStrip() const;
    int sign() const;
    uint16_t N;
  private:
    const stats_t<float>& last() const {return *(first+N-1);}
    std::vector<stats_t<float> >::const_iterator clusterFirst, first;
  };

  stats_t<float> offset_from_firstStrip( const std::vector<stats_t<float> >&, const stats_t<float>&) const;
  stats_t<float> geometric_position(const WrappedCluster&, const stats_t<float>&) const;
  bool useNPlusOne(const WrappedCluster&, const stats_t<float>&) const;
  bool useNMinusOne(const WrappedCluster&, const stats_t<float>&) const;
  bool ambiguousSize(const WrappedCluster&, const stats_t<float>&) const;

};

#endif