GEMSimHitMatcher.h

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#ifndef Validation_MuonHits_GEMSimHitMatcher_h
#define Validation_MuonHits_GEMSimHitMatcher_h
 
#include "Geometry/GEMGeometry/interface/GEMGeometry.h"
#include "Validation/MuonHits/interface/MuonSimHitMatcher.h"
 
class GEMSimHitMatcher : public MuonSimHitMatcher {
public:
  // constructor
  GEMSimHitMatcher(const edm::ParameterSet& iPS, edm::ConsumesCollector&& iC);
 
  // destructor
  ~GEMSimHitMatcher() {}
 
  // initialize the event
  void init(const edm::Event& e, const edm::EventSetup& eventSetup);
 
  // do the matching
  void match(const SimTrack& t, const SimVertex& v);
 
  // partitions' detIds with SimHits
  std::set<unsigned int> detIds(int gem_type = MuonHitHelper::GEM_ALL) const;
 
  // chamber detIds with SimHits
  std::set<unsigned int> chamberIds(int gem_type = MuonHitHelper::GEM_ALL) const;
 
  // GEM detid's with hits in 2 layers of coincidence pads
  // those are layer==1 only detid's
  std::set<unsigned int> detIdsCoincidences() const;
 
  // GEM superchamber detIds with SimHits
  std::set<unsigned int> superChamberIds() const;
 
  // GEM superchamber detIds with SimHits 2 layers of coincidence pads
  std::set<unsigned int> superChamberIdsCoincidences() const;
 
  // simhits from a particular superchamber
  const edm::PSimHitContainer& hitsInSuperChamber(unsigned int) const;
 
  // was there a hit in a particular station?
  bool hitStation(int, int) const;
 
  // number of stations with hits in at least X layers
  int nStations(int nl = 2) const;
 
  // #layers with hits
  int nLayersWithHitsInSuperChamber(unsigned int) const;
 
  // How many pads with simhits in GEM did this simtrack get?
  int nPadsWithHits() const;
 
  // How many coincidence pads with simhits in GEM did this simtrack get?
  int nCoincidencePadsWithHits() const;
 
  // transverse position in GEM
  float simHitsGEMCentralPosition(const edm::PSimHitContainer& sim_hits) const;
 
  // calculate average strip number for a provided collection of simhits
  float simHitsMeanStrip(const edm::PSimHitContainer& sim_hits) const;
 
  std::set<int> hitStripsInDetId(unsigned int, int margin_n_strips = 0) const;
  std::set<int> hitPadsInDetId(unsigned int) const;
  std::set<int> hitCoPadsInDetId(unsigned int) const;
 
  // what unique partitions numbers were hit by this simtrack?
  std::set<int> hitPartitions() const;
 
private:
  void matchSimHitsToSimTrack();
 
  edm::ESHandle<GEMGeometry> gem_geom_;
 
  std::map<unsigned int, edm::PSimHitContainer> superchamber_to_hits_;
 
  // detids with hits in pads
  std::map<unsigned int, std::set<int> > detids_to_pads_;
 
  // detids with hits in 2-layer pad coincidences
  std::map<unsigned int, std::set<int> > detids_to_copads_;
};
 
#endif