CMSSW_4_4_3_patch1/src/DataFormats/TrackerRecHit2D/src/SiPixelRecHit.cc

Go to the documentation of this file.

#include "DataFormats/TrackerRecHit2D/interface/SiPixelRecHit.h"

SiPixelRecHit::SiPixelRecHit( const LocalPoint& pos, const LocalError& err,
                              const DetId& id,
                              SiPixelClusterRefNew const&  cluster): 
  BaseSiTrackerRecHit2DLocalPos(pos,err,id),
  qualWord_(0), 
  cluster_(cluster) 
{
}

bool SiPixelRecHit::sharesInput( const TrackingRecHit* other, 
                                 SharedInputType what) const
{
  if (geographicalId() != other->geographicalId()) return false;
  if(! other->isValid()) return false;

  const SiPixelRecHit* otherCast = static_cast<const SiPixelRecHit*>(other);

  return cluster_ == otherCast->cluster();
}

//--- The overall probability.  flags is the 32-bit-packed set of flags that
//--- our own concrete implementation of clusterProbability() uses to direct
//--- the computation based on the information stored in the quality word
//--- (and which was computed by the CPE).  The default of flags==0 returns
//--- probX*probY*(1-log(probX*probY)) because of Morris' note.
//--- Flags are static and kept in the transient rec hit.
float SiPixelRecHit::clusterProbability(unsigned int flags) const
{
  if (!hasFilledProb()) {
    return 1;
  }
  else if (flags == 1) {
    return probabilityXY() * probabilityQ();
  }
  else if (flags == 2) {
    return probabilityQ();
  }
  else {
    return probabilityXY();
  }
}