CaloTowerTopology.h

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#ifndef GEOMETRY_CALOTOPOLOGY_CALOTOWERTOPOLOGY_H
#define GEOMETRY_CALOTOPOLOGY_CALOTOWERTOPOLOGY_H 1

#include "Geometry/CaloTopology/interface/CaloSubdetectorTopology.h"
#include "DataFormats/HcalDetId/interface/HcalDetId.h"
#include "DataFormats/CaloTowers/interface/CaloTowerDetId.h"
#include "Geometry/CaloTopology/interface/HcalTopology.h"

class CaloTowerTopology final : public CaloSubdetectorTopology {
public:
  CaloTowerTopology(const HcalTopology* topology);
  ~CaloTowerTopology() override {}
  bool valid(const DetId& id) const override;
  virtual bool validDetId(const CaloTowerDetId& id) const;
  std::vector<DetId> east(const DetId& id) const override;
  std::vector<DetId> west(const DetId& id) const override;
  std::vector<DetId> north(const DetId& id) const override;
  std::vector<DetId> south(const DetId& id) const override;
  std::vector<DetId> up(const DetId& id) const override;
  std::vector<DetId> down(const DetId& id) const override;

  //mimic accessors from HcalTopology, but with continuous ieta
  int firstHBRing() const { return firstHBRing_; }
  int lastHBRing() const { return lastHBRing_; }
  int firstHERing() const { return firstHERing_; }
  int lastHERing() const { return lastHERing_; }
  int firstHFRing() const { return firstHFRing_; }
  int lastHFRing() const { return lastHFRing_; }
  int firstHORing() const { return firstHORing_; }
  int lastHORing() const { return lastHORing_; }
  int firstHEDoublePhiRing() const { return firstHEDoublePhiRing_; }
  int firstHEQuadPhiRing() const { return firstHEQuadPhiRing_; }
  int firstHFQuadPhiRing() const { return firstHFQuadPhiRing_; }

  //conversion between CaloTowerTopology ieta and HcalTopology ieta
  int convertCTtoHcal(int ct_ieta) const;
  int convertHcaltoCT(int hcal_ieta, HcalSubdetector subdet) const;

  //dense index functions moved from CaloTowerDetId
  uint32_t denseIndex(const DetId& id) const;
  CaloTowerDetId detIdFromDenseIndex(uint32_t din) const;
  bool validDenseIndex(uint32_t din) const { return (din < kSizeForDenseIndexing); }
  uint32_t sizeForDenseIndexing() const { return kSizeForDenseIndexing; }

private:
  //member variables
  const HcalTopology* hcaltopo;
  int firstHBRing_, lastHBRing_;
  int firstHERing_, lastHERing_;
  int firstHFRing_, lastHFRing_;
  int firstHORing_, lastHORing_;
  int firstHEDoublePhiRing_, firstHEQuadPhiRing_, firstHFQuadPhiRing_;
  int nSinglePhi_, nDoublePhi_, nQuadPhi_, nEtaHE_;
  uint32_t kSizeForDenseIndexing;
};
#endif