EcalBarrelTopology.h

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#ifndef GEOMETRY_CALOTOPOLOGY_ECALBARRELTOPOLOGY_H
#define GEOMETRY_CALOTOPOLOGY_ECALBARRELTOPOLOGY_H 1

#include <utility>
#include <vector>
#include <iostream>
#include "DataFormats/EcalDetId/interface/EBDetId.h"
#include "Geometry/CaloTopology/interface/CaloSubdetectorTopology.h"
#include "Geometry/CaloGeometry/interface/CaloGeometry.h"
#include "Geometry/CaloGeometry/interface/CaloSubdetectorGeometry.h"
#include "FWCore/Framework/interface/ESHandle.h"

class EcalBarrelTopology final : public CaloSubdetectorTopology
{

public:
 EcalBarrelTopology(): theGeom_(nullptr) {};

  ~EcalBarrelTopology() override { }  

  EcalBarrelTopology(edm::ESHandle<CaloGeometry> theGeom) {
    theGeom_ = theGeom->getSubdetectorGeometry(DetId::Ecal,EcalBarrel);
  }
  
  DetId  goNorth(const DetId& id) const override {
    return incrementIphi(EBDetId(id));
  }
  std::vector<DetId> north(const DetId& id) const override
    { 
      EBDetId nextId=goNorth(id);
      std::vector<DetId> vNeighborsDetId;
      if (! (nextId==EBDetId(0)))
    vNeighborsDetId.emplace_back(DetId(nextId.rawId()));
      return vNeighborsDetId;
    }

  DetId goSouth(const DetId& id) const override {
    return decrementIphi(EBDetId(id));
  }
  std::vector<DetId> south(const DetId& id) const override
    { 
      EBDetId nextId=goSouth(id);
      std::vector<DetId> vNeighborsDetId;
      if (! (nextId==EBDetId(0)))
    vNeighborsDetId.emplace_back(DetId(nextId.rawId()));
      return vNeighborsDetId;
    }

  DetId  goEast(const DetId& id) const override {
    return decrementIeta(EBDetId(id));
  }
  std::vector<DetId> east(const DetId& id) const override
    { 
      EBDetId nextId=goEast(id);
      std::vector<DetId> vNeighborsDetId;
      if (! (nextId==EBDetId(0)))
    vNeighborsDetId.emplace_back(DetId(nextId.rawId()));
      return vNeighborsDetId;
    }

  DetId  goWest(const DetId& id) const override {
    return incrementIeta(EBDetId(id));
  }
  std::vector<DetId> west(const DetId& id) const override
    { 
      EBDetId nextId=goWest(id);
      std::vector<DetId> vNeighborsDetId;
      if (! (nextId==EBDetId(0)))
    vNeighborsDetId.emplace_back(DetId(nextId.rawId()));
      return vNeighborsDetId;
    }
  
  
  std::vector<DetId> up(const DetId& /*id*/) const override
    {
      std::cout << "EcalBarrelTopology::up() not yet implemented" << std::endl; 
      std::vector<DetId> vNeighborsDetId;
      return  vNeighborsDetId;
    }
  
  std::vector<DetId> down(const DetId& /*id*/) const override
    {
      std::cout << "EcalBarrelTopology::down() not yet implemented" << std::endl; 
      std::vector<DetId> vNeighborsDetId;
      return  vNeighborsDetId;
    }

 private:

  EBDetId incrementIeta(const EBDetId&) const ;

  EBDetId decrementIeta(const EBDetId&) const ;

  EBDetId incrementIphi(const EBDetId&) const ;

  EBDetId decrementIphi(const EBDetId&) const;

  const CaloSubdetectorGeometry* theGeom_;
};

#endif