PixelTrackCleanerBySharedHits Class Reference

#include <PixelTrackCleanerBySharedHits.h>

Inheritance diagram for PixelTrackCleanerBySharedHits:

Public Types
using	TracksWithTTRHs = pixeltrackfitting::TracksWithTTRHs
using	TrackWithTTRHs = pixeltrackfitting::TrackWithTTRHs
Public Types inherited from PixelTrackCleaner
using	Record = TrajectoryFilter::Record
typedef pixeltrackfitting::TracksWithRecHits	TracksWithRecHits
using	TracksWithTTRHs = pixeltrackfitting::TracksWithTTRHs

Public Member Functions
void	cleanTracks (TracksWithTTRHs &tracksWithRecHits) const override
	PixelTrackCleanerBySharedHits (bool useQuadrupletAlgo)
	~PixelTrackCleanerBySharedHits () override
Public Member Functions inherited from PixelTrackCleaner
virtual TracksWithRecHits	cleanTracks (const TracksWithRecHits &tracksWithRecHits) const
bool	fast () const
virtual	~PixelTrackCleaner ()

Private Attributes
const bool	useQuadrupletAlgo_

Additional Inherited Members
Protected Member Functions inherited from PixelTrackCleaner
	PixelTrackCleaner (bool fast=false)

Detailed Description

Definition at line 17 of file PixelTrackCleanerBySharedHits.h.

Member Typedef Documentation

using PixelTrackCleanerBySharedHits::TracksWithTTRHs = pixeltrackfitting::TracksWithTTRHs

Definition at line 25 of file PixelTrackCleanerBySharedHits.h.

using PixelTrackCleanerBySharedHits::TrackWithTTRHs = pixeltrackfitting::TrackWithTTRHs

Definition at line 24 of file PixelTrackCleanerBySharedHits.h.

Constructor & Destructor Documentation

PixelTrackCleanerBySharedHits::PixelTrackCleanerBySharedHits

(

bool

useQuadrupletAlgo

)

Definition at line 12 of file PixelTrackCleanerBySharedHits.cc.

                                                                                  :
  PixelTrackCleaner(true), // to mark this as fast algo
  useQuadrupletAlgo_(useQuadrupletAlgo)
{}

PixelTrackCleanerBySharedHits::~PixelTrackCleanerBySharedHits ( )

override

Definition at line 17 of file PixelTrackCleanerBySharedHits.cc.

{}

Member Function Documentation

void PixelTrackCleanerBySharedHits::cleanTracks ( TracksWithTTRHs &  tracksWithRecHits ) const

overridevirtual

Reimplemented from PixelTrackCleaner.

Definition at line 21 of file PixelTrackCleanerBySharedHits.cc.

References connectstrParser::f2, mps_fire::i, LogDebug, indexGen::s2, findQualityFiles::size, mitigatedMETSequence_cff::U, useQuadrupletAlgo_, and findQualityFiles::v.

{

  LogDebug("PixelTrackCleanerBySharedHits") << "Cleanering tracks" << "\n";
  unsigned int size = trackHitPairs.size();
  if (size <= 1) return;

  auto kill = [&](unsigned int i) { delete trackHitPairs[i].first; trackHitPairs[i].first=nullptr;};

  for (auto iTrack1 = 0U; iTrack1 < size; iTrack1++) {

    auto track1 = trackHitPairs[iTrack1].first;
    if (!track1) continue;

    auto const & recHits1 = trackHitPairs[iTrack1].second;
    auto s1 = recHits1.size();
    for (auto iTrack2 = iTrack1 + 1U; iTrack2 < size; iTrack2++)
    {
      auto track2 = trackHitPairs[iTrack2].first;
      if (!track2) continue;
      auto const & recHits2 = trackHitPairs[iTrack2].second;
      auto s2 = recHits2.size();
      auto f2=0U;
      auto commonRecHits = 0U;
      for (auto iRecHit1 = 0U; iRecHit1 < s1; ++iRecHit1) {
        for (auto iRecHit2 = f2; iRecHit2 < s2; ++iRecHit2) {
          if (recHits1[iRecHit1] == recHits2[iRecHit2]) { ++commonRecHits; f2=iRecHit2+1; break;} // if a hit is common, no other can be the same!
        }
    if (commonRecHits > 1) break;
      }

      auto cleanTrack = [&](){
    if (track1->pt() > track2->pt()) { kill(iTrack2); return false; }
    kill(iTrack1);
        return true;
      };

      if(useQuadrupletAlgo_) {
        if(commonRecHits >= 1) {
          if     (s1 > s2) kill(iTrack2);
          else if(s1 < s2) { kill(iTrack1); break;}
          else if(s1 == 3) { if(cleanTrack()) break; } // same number of hits
          else if(commonRecHits > 1) { if(cleanTrack()) break; }// same number of hits, size != 3 (i.e. == 4)
        }
      }
      else if (commonRecHits > 1) {
        if(cleanTrack()) break;
      }
    }
  }

  trackHitPairs.erase(std::remove_if(trackHitPairs.begin(),trackHitPairs.end(),[&](TrackWithTTRHs & v){ return nullptr==v.first;}),trackHitPairs.end());
}

Member Data Documentation

const bool PixelTrackCleanerBySharedHits::useQuadrupletAlgo_

private

Definition at line 29 of file PixelTrackCleanerBySharedHits.h.

Referenced by cleanTracks().