PixelTripletLowPtGenerator.h

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#ifndef _PixelTripletLowPtGenerator_h_
#define _PixelTripletLowPtGenerator_h_

#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/Utilities/interface/EDGetToken.h"
#include "RecoPixelVertexing/PixelTriplets/interface/HitTripletGeneratorFromPairAndLayers.h"

#include "RecoPixelVertexing/PixelLowPtUtilities/interface/TripletFilter.h"

class TrackerGeometry;
class TripletFilter;
class SiPixelClusterShapeCache;

#include <vector>

class PixelTripletLowPtGenerator : public HitTripletGeneratorFromPairAndLayers {
public:
  PixelTripletLowPtGenerator(const edm::ParameterSet& cfg, edm::ConsumesCollector& iC);

  ~PixelTripletLowPtGenerator() override;

  void hitTriplets(const TrackingRegion& region,
                   OrderedHitTriplets& trs,
                   const edm::Event& ev,
                   const edm::EventSetup& es,
                   const SeedingLayerSetsHits::SeedingLayerSet& pairLayers,
                   const std::vector<SeedingLayerSetsHits::SeedingLayer>& thirdLayers) override;
  void hitTriplets(const TrackingRegion& region,
                   OrderedHitTriplets& result,
                   const edm::EventSetup& es,
                   const HitDoublets& doublets,
                   const RecHitsSortedInPhi** thirdHitMap,
                   const std::vector<const DetLayer*>& thirdLayerDetLayer,
                   const int nThirdLayers) override;

private:
  void getTracker(const edm::EventSetup& es);
  GlobalPoint getGlobalPosition(const TrackingRecHit* recHit);

  const TrackerGeometry* theTracker;
  std::unique_ptr<TripletFilter> theFilter;

  edm::EDGetTokenT<SiPixelClusterShapeCache> theClusterShapeCacheToken;
  double nSigMultipleScattering;
  double rzTolerance;
  double maxAngleRatio;

  std::string builderName;
  bool checkMultipleScattering;
  bool checkClusterShape;
};

#endif