HcalDDDRecConstants.cc

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#include "Geometry/HcalCommonData/interface/HcalDDDRecConstants.h"

#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/Utilities/interface/Exception.h"
#include "DataFormats/Math/interface/GeantUnits.h"
#include "CLHEP/Units/GlobalPhysicalConstants.h"
#include "CLHEP/Units/GlobalSystemOfUnits.h"
#include <algorithm>
#include <cmath>

//#define EDM_ML_DEBUG
using namespace geant_units::operators;

enum { kHOSizePreLS1 = 2160, kHFSizePreLS1 = 1728 };

HcalDDDRecConstants::HcalDDDRecConstants(const HcalParameters* hp, const HcalDDDSimConstants& hc)
    : hpar(hp), hcons(hc) {
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HCalGeom") << "HcalDDDRecConstants::HcalDDDRecConstants (const HcalParameters* hp) constructor";
#endif
  initialize();
}

HcalDDDRecConstants::~HcalDDDRecConstants() {
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HCalGeom") << "HcalDDDRecConstants::destructed!!!";
#endif
}

std::vector<int> HcalDDDRecConstants::getDepth(const unsigned int& eta, const bool& extra) const {
  if (!extra) {
    std::vector<HcalParameters::LayerItem>::const_iterator last = hpar->layerGroupEtaRec.begin();
    for (std::vector<HcalParameters::LayerItem>::const_iterator it = hpar->layerGroupEtaRec.begin();
         it != hpar->layerGroupEtaRec.end();
         ++it) {
      if (it->layer == eta + 1)
        return it->layerGroup;
      if (it->layer > eta + 1)
        return last->layerGroup;
      last = it;
    }
    return last->layerGroup;
  } else {
    std::map<int, int> layers;
    hcons.ldMap()->getLayerDepth(eta + 1, layers);
    std::vector<int> depths;
    for (unsigned int lay = 0; lay < layers.size(); ++lay)
      depths.emplace_back(layers[lay + 1]);
    return depths;
  }
}

std::vector<int> HcalDDDRecConstants::getDepth(const int& det,
                                               const int& phi,
                                               const int& zside,
                                               const unsigned int& eta) const {
  std::map<int, int> layers;
  hcons.ldMap()->getLayerDepth(det, eta + 1, phi, zside, layers);
  if (layers.empty()) {
    return getDepth(eta, false);
  } else {
    std::vector<int> depths;
    for (unsigned int lay = 0; lay < layers.size(); ++lay)
      depths.emplace_back(layers[lay + 1]);
    return depths;
  }
}

std::vector<HcalDDDRecConstants::HcalEtaBin> HcalDDDRecConstants::getEtaBins(const int& itype) const {
  std::vector<HcalDDDRecConstants::HcalEtaBin> bins;
  unsigned int type = (itype == 0) ? 0 : 1;
  HcalSubdetector subdet = HcalSubdetector(type + 1);
  std::vector<int> phiSp;
  HcalSubdetector subdetSp = HcalSubdetector(hcons.ldMap()->validDet(phiSp));
  std::map<int, int> layers;
  for (int iz = 0; iz < 2; ++iz) {
    int zside = 2 * iz - 1;
    for (int ieta = iEtaMin[type]; ieta <= iEtaMax[type]; ++ieta) {
      std::vector<std::pair<int, double>> phis = getPhis(subdet, ieta);
      std::vector<std::pair<int, double>> phiUse;
      getLayerDepth(ieta, layers);
      if (subdet == subdetSp) {
        for (auto& phi : phis) {
          if (std::find(phiSp.begin(), phiSp.end(), (zside * phi.first)) == phiSp.end()) {
            phiUse.emplace_back(phi);
          }
        }
      } else {
        phiUse.insert(phiUse.end(), phis.begin(), phis.end());
      }
      if (!phiUse.empty())
        getOneEtaBin(subdet, ieta, zside, phiUse, layers, false, bins);
    }
  }
  if (subdetSp == subdet) {
    for (int ieta = iEtaMin[type]; ieta <= iEtaMax[type]; ++ieta) {
      std::vector<std::pair<int, double>> phis = getPhis(subdet, ieta);
      for (int iz = 0; iz < 2; ++iz) {
        int zside = 2 * iz - 1;
        std::vector<std::pair<int, double>> phiUse;
        for (int i : phiSp) {
          for (auto& phi : phis) {
            if (i == zside * phi.first) {
              phiUse.emplace_back(phi);
              break;
            }
          }
        }
        if (!phiUse.empty()) {
          hcons.ldMap()->getLayerDepth(subdet, ieta, phiUse[0].first, zside, layers);
          getOneEtaBin(subdet, ieta, zside, phiUse, layers, true, bins);
        }
      }
    }
  }
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HCalGeom") << "Prepares " << bins.size() << " eta bins for type " << type;
  for (unsigned int i = 0; i < bins.size(); ++i) {
    edm::LogVerbatim("HCalGeom") << "Bin[" << i << "]: Eta = (" << bins[i].ieta << ":" << bins[i].etaMin << ":"
                                 << bins[i].etaMax << "), Zside = " << bins[i].zside << ", phis = ("
                                 << bins[i].phis.size() << ":" << bins[i].dphi << ") and " << bins[i].layer.size()
                                 << " depths (start) " << bins[i].depthStart;
    for (unsigned int k = 0; k < bins[i].layer.size(); ++k)
      edm::LogVerbatim("HCalGeom") << " [" << k << "] " << bins[i].layer[k].first << ":" << bins[i].layer[k].second;
    edm::LogVerbatim("HCalGeom") << "Phi sets";
    for (unsigned int k = 0; k < bins[i].phis.size(); ++k)
      edm::LogVerbatim("HCalGeom") << "[" << k << "] " << bins[i].phis[k].first << ":" << bins[i].phis[k].second;
  }
#endif
  return bins;
}

std::pair<double, double> HcalDDDRecConstants::getEtaPhi(const int& subdet, const int& ieta, const int& iphi) const {
  int ietaAbs = (ieta > 0) ? ieta : -ieta;
  double eta(0), phi(0);
  if ((subdet == static_cast<int>(HcalBarrel)) || (subdet == static_cast<int>(HcalEndcap)) ||
      (subdet == static_cast<int>(HcalOuter))) {  // Use Eta Table
    int unit = hcons.unitPhi(phibin[ietaAbs - 1]);
    int kphi = (unit == 2) ? ((iphi - 1) / 2 + 1) : iphi;
    double foff = (ietaAbs <= iEtaMax[0]) ? hpar->phioff[0] : hpar->phioff[1];
    eta = 0.5 * (etaTable[ietaAbs - 1] + etaTable[ietaAbs]);
    phi = foff + (kphi - 0.5) * phibin[ietaAbs - 1];
  } else {
    ietaAbs -= iEtaMin[2];
    int unit = hcons.unitPhi(hpar->phitable[ietaAbs - 1]);
    int kphi = (unit == 4) ? ((iphi - 3) / 4 + 1) : ((iphi - 1) / 2 + 1);
    double foff = (unit > 2) ? hpar->phioff[4] : hpar->phioff[2];
    eta = 0.5 * (hpar->etaTableHF[ietaAbs - 1] + hpar->etaTableHF[ietaAbs]);
    phi = foff + (kphi - 0.5) * hpar->phitable[ietaAbs - 1];
  }
  if (ieta < 0)
    eta = -eta;
  if (phi > M_PI)
    phi -= (2 * M_PI);
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HCalGeom") << "getEtaPhi: subdet|ieta|iphi " << subdet << "|" << ieta << "|" << iphi << " eta|phi "
                               << eta << "|" << phi;
#endif
  return std::pair<double, double>(eta, phi);
}

HcalDDDRecConstants::HcalID HcalDDDRecConstants::getHCID(int subdet, int keta, int iphi, int lay, int idepth) const {
  uint32_t ieta = (keta > 0) ? keta : -keta;
  int zside = (keta > 0) ? 1 : -1;
  if ((ieta > hpar->etaMaxHBHE()) &&
      ((subdet == static_cast<int>(HcalOuter)) || (subdet == static_cast<int>(HcalBarrel)) ||
       (subdet == static_cast<int>(HcalEndcap))))
    throw cms::Exception("HcalDDDRecConstants")
        << "getHCID: receives an eta value " << ieta << " outside the limit (1:" << hpar->etaMaxHBHE() << ")";
  int eta(ieta), phi(iphi), depth(idepth);
  if ((subdet == static_cast<int>(HcalOuter)) ||
      ((subdet == static_cast<int>(HcalBarrel)) && (lay > maxLayerHB_ + 1))) {
    subdet = static_cast<int>(HcalOuter);
    depth = 4;
  } else if (subdet == static_cast<int>(HcalBarrel) || subdet == static_cast<int>(HcalEndcap)) {
    eta = ietaMap[ieta - 1];
    int unit = phiUnitS[ieta - 1];
    int phi0 = (iphi - 1) / (hpar->phigroup[eta - 1]);
    if (unit == 2) {
      phi0 = (iphi + 1) / 2;
      phi0 = (phi0 - 1) / (hpar->phigroup[eta - 1]);
    } else if (unit == 4) {
      phi0 = (iphi + 1) / 4;
      phi0 = (phi0 - 1) / (hpar->phigroup[eta - 1]);
    }
    ++phi0;
    unit = hcons.unitPhi(phibin[eta - 1]);
    phi = hcons.phiNumber(phi0, unit);
    depth = hcons.findDepth(subdet, eta, phi, zside, lay - 1);
    if (depth <= 0)
      depth = layerGroup(eta - 1, lay - 1);
    if (eta == iEtaMin[1]) {
      if (subdet == static_cast<int>(HcalBarrel)) {
        if (depth > hcons.getDepthEta16(subdet, phi, zside))
          depth = hcons.getDepthEta16(subdet, phi, zside);
      } else {
        if (depth < hcons.getDepthEta16(subdet, phi, zside))
          depth = hcons.getDepthEta16(subdet, phi, zside);
      }
    } else if (eta == hpar->noff[0] && lay > 1) {
      int kphi = phi + int((hpar->phioff[3] + 0.1) / phibin[eta - 1]);
      kphi = (kphi - 1) % 4 + 1;
      if (kphi == 2 || kphi == 3)
        depth = layerGroup(eta - 1, lay - 2);
    } else if (eta == hpar->noff[1] && depth > hcons.getDepthEta29(phi, zside, 0)) {
      eta -= hcons.getDepthEta29(phi, zside, 1);
    }
  }
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HCalGeom") << "getHCID: input " << subdet << ":" << ieta << ":" << iphi << ":" << idepth << ":"
                               << lay << " output " << eta << ":" << phi << ":" << depth;
#endif
  return HcalDDDRecConstants::HcalID(subdet, eta, phi, depth);
}

std::vector<HcalDDDRecConstants::HFCellParameters> HcalDDDRecConstants::getHFCellParameters() const {
  std::vector<HcalDDDRecConstants::HFCellParameters> cells;
  unsigned int nEta = hcons.getPhiTableHF().size();
  if (maxDepth[2] > 0) {
    for (unsigned int k = 0; k < nEta; ++k) {
      int ieta = iEtaMin[2] + k;
      int dphi = (int)(0.001 + hcons.getPhiTableHF()[k] / (5._deg));
      int iphi = (dphi == 4) ? 3 : 1;
      int nphi = 72 / dphi;
      double rMin = hcons.getRTableHF()[nEta - k - 1] / CLHEP::cm;
      double rMax = hcons.getRTableHF()[nEta - k] / CLHEP::cm;
      HcalDDDRecConstants::HFCellParameters cell1(ieta, 1, iphi, dphi, nphi, rMin, rMax);
      cells.emplace_back(cell1);
      HcalDDDRecConstants::HFCellParameters cell2(-ieta, 1, iphi, dphi, nphi, rMin, rMax);
      cells.emplace_back(cell2);
    }
  }
  if (maxDepth[2] > 2) {
    if (!hcons.getIdHF2QIE().empty()) {
      for (unsigned int k = 0; k < hcons.getIdHF2QIE().size(); ++k) {
        int ieta = hcons.getIdHF2QIE()[k].ieta();
        int ind = std::abs(ieta) - iEtaMin[2];
        int dphi = (int)(0.001 + hcons.getPhiTableHF()[ind] / (5._deg));
        int iphi = hcons.getIdHF2QIE()[k].iphi();
        double rMin = hcons.getRTableHF()[nEta - ind - 1] / CLHEP::cm;
        double rMax = hcons.getRTableHF()[nEta - ind] / CLHEP::cm;
        HcalDDDRecConstants::HFCellParameters cell1(ieta, 3, iphi, dphi, 1, rMin, rMax);
        cells.emplace_back(cell1);
      }
    } else {
      for (unsigned int k = 0; k < nEta; ++k) {
        int ieta = iEtaMin[2] + k;
        int dphi = (int)(0.001 + hcons.getPhiTableHF()[k] / (5._deg));
        int iphi = (dphi == 4) ? 3 : 1;
        int nphi = 72 / dphi;
        double rMin = hcons.getRTableHF()[nEta - k - 1] / CLHEP::cm;
        double rMax = hcons.getRTableHF()[nEta - k] / CLHEP::cm;
        HcalDDDRecConstants::HFCellParameters cell1(ieta, 3, iphi, dphi, nphi, rMin, rMax);
        cells.emplace_back(cell1);
        HcalDDDRecConstants::HFCellParameters cell2(-ieta, 3, iphi, dphi, nphi, rMin, rMax);
        cells.emplace_back(cell2);
      }
    }
  }
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HCalGeom") << "HcalDDDRecConstants returns " << cells.size() << " HF cell parameters";
  for (unsigned int k = 0; k < cells.size(); ++k)
    edm::LogVerbatim("HCalGeom") << "Cell[" << k << "] : (" << cells[k].ieta << ", " << cells[k].depth << ", "
                                 << cells[k].firstPhi << ", " << cells[k].stepPhi << ", " << cells[k].nPhi << ", "
                                 << cells[k].rMin << ", " << cells[k].rMax << ")";
#endif
  return cells;
}

void HcalDDDRecConstants::getLayerDepth(const int& ieta, std::map<int, int>& layers) const {
  layers.clear();
  for (unsigned int l = 0; l < layerGroupSize(ieta - 1); ++l) {
    int lay = l + 1;
    layers[lay] = layerGroup(ieta - 1, l);
  }
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HCalGeom") << "getLayerDepth::Input " << ieta << " Output " << layers.size() << " entries";
  for (std::map<int, int>::iterator itr = layers.begin(); itr != layers.end(); ++itr)
    edm::LogVerbatim("HCalGeom") << " [" << itr->first << "] " << itr->second;
#endif
}

int HcalDDDRecConstants::getLayerBack(const int& idet, const int& ieta, const int& iphi, const int& depth) const {
  int subdet = (idet == 1) ? 1 : 2;
  int zside = (ieta > 0) ? 1 : -1;
  int eta = zside * ieta;
  int layBack = hcons.ldMap()->getLayerBack(subdet, eta, iphi, zside, depth);
  int laymax = hcons.getLastLayer(subdet, ieta);
  if (layBack < 0 && eta <= hpar->etaMax[1]) {
    for (unsigned int k = 0; k < layerGroupSize(eta - 1); ++k) {
      if (depth + 1 == (int)layerGroup(eta - 1, k)) {
        layBack = k - 1;
        break;
      }
    }
  }
  if (layBack < 0 || layBack > laymax)
    layBack = laymax;
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HCalGeom") << "getLayerBack::Input " << idet << ":" << ieta << ":" << iphi << ":" << depth
                               << " Output " << layBack;
#endif
  return layBack;
}

int HcalDDDRecConstants::getLayerFront(const int& idet, const int& ieta, const int& iphi, const int& depth) const {
  int subdet = (idet == 1) ? 1 : 2;
  int zside = (ieta > 0) ? 1 : -1;
  int eta = zside * ieta;
  int layFront = hcons.ldMap()->getLayerFront(subdet, eta, iphi, zside, depth);
  int laymin = hcons.getFrontLayer(subdet, ieta);
  if ((layFront < 0) || ((subdet == static_cast<int>(HcalEndcap)) && (eta == 16))) {
    if ((subdet == static_cast<int>(HcalEndcap)) && (eta == 16)) {
      layFront = laymin;
    } else if (eta <= hpar->etaMax[1]) {
      for (unsigned int k = 0; k < layerGroupSize(eta - 1); ++k) {
        if (depth == (int)layerGroup(eta - 1, k)) {
          if ((int)(k) >= laymin) {
            layFront = k;
            break;
          }
        }
      }
    }
  } else {
    if (layFront < laymin)
      layFront = laymin;
  }
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HCalGeom") << "getLayerFront::Input " << idet << ":" << ieta << ":" << iphi << ":" << depth
                               << " Output " << layFront;
#endif
  return layFront;
}

int HcalDDDRecConstants::getMaxDepth(const int& itype, const int& ieta, const int& iphi, const int& zside) const {
  unsigned int type = (itype == 0) ? 0 : 1;
  int lmax = hcons.getMaxDepth(type + 1, ieta, iphi, zside, true);
  if (lmax < 0) {
    unsigned int lymax = (type == 0) ? maxLayerHB_ + 1 : maxLayer_ + 1;
    lmax = 0;
    if (layerGroupSize(ieta - 1) > 0) {
      if (layerGroupSize(ieta - 1) < lymax)
        lymax = layerGroupSize(ieta - 1);
      lmax = (int)(layerGroup(ieta - 1, lymax - 1));
      if (type == 0 && ieta == iEtaMax[type])
        lmax = hcons.getDepthEta16M(1);
      if (type == 1 && ieta >= hpar->noff[1])
        lmax = hcons.getDepthEta29M(0, false);
    }
  }
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HCalGeom") << "getMaxDepth::Input " << itype << ":" << ieta << ":" << iphi << ":" << zside
                               << " Output " << lmax;
#endif
  return lmax;
}

int HcalDDDRecConstants::getMinDepth(const int& itype, const int& ieta, const int& iphi, const int& zside) const {
  int lmin = hcons.getMinDepth(itype + 1, ieta, iphi, zside, true);
  if (lmin < 0) {
    if (itype == 2) {  // HFn
      lmin = 1;
    } else if (itype == 3) {  //HO
      lmin = maxDepth[3];
    } else {
      unsigned int type = (itype == 0) ? 0 : 1;
      if (layerGroupSize(ieta - 1) > 0) {
        if (type == 1 && ieta == iEtaMin[type])
          lmin = hcons.getDepthEta16M(2);
        else
          lmin = (int)(layerGroup(ieta - 1, 0));
      }
    }
  }
  return lmin;
}

std::vector<std::pair<int, double>> HcalDDDRecConstants::getPhis(const int& subdet, const int& ieta) const {
  std::vector<std::pair<int, double>> phis;
  int ietaAbs = (ieta > 0) ? ieta : -ieta;
  int keta = (subdet != HcalForward) ? etaSimValu[ietaAbs - 1].first : ietaAbs;
  std::pair<double, double> ficons = hcons.getPhiCons(subdet, keta);
  double fioff = ficons.first;
  double dphi = (subdet != HcalForward) ? phibin[ietaAbs - 1] : ficons.second;
  int nphi = int((2._pi + 0.1 * dphi) / dphi);
  int units = hcons.unitPhi(subdet, keta);
  for (int ifi = 0; ifi < nphi; ++ifi) {
    double phi = -fioff + (ifi + 0.5) * dphi;
    int iphi = hcons.phiNumber(ifi + 1, units);
    phis.emplace_back(std::pair<int, double>(iphi, phi));
  }
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HCalGeom") << "getEtaPhi: subdet|ieta|iphi " << subdet << "|" << ieta << " with " << phis.size()
                               << " phi bins";
  for (unsigned int k = 0; k < phis.size(); ++k)
    edm::LogVerbatim("HCalGeom") << "[" << k << "] iphi " << phis[k].first << " phi "
                                 << convertRadToDeg(phis[k].second);
#endif
  return phis;
}

int HcalDDDRecConstants::getPhiZOne(std::vector<std::pair<int, int>>& phiz) const {
  phiz.clear();
  int subdet = hcons.ldMap()->getSubdet();
  if (subdet > 0) {
    std::vector<int> phis = hcons.ldMap()->getPhis();
    for (int k : phis) {
      int zside = (k > 0) ? 1 : -1;
      int phi = (k > 0) ? k : -k;
      phiz.emplace_back(std::pair<int, int>(phi, zside));
    }
  }
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HCalGeom") << "Special RBX for detector " << subdet << " with " << phiz.size() << " phi/z bins";
  for (unsigned int k = 0; k < phiz.size(); ++k)
    edm::LogVerbatim("HCalGeom") << " [" << k << "] " << phiz[k].first << ":" << phiz[k].second;
#endif
  return subdet;
}

double HcalDDDRecConstants::getRZ(const int& subdet, const int& ieta, const int& depth) const {
  return getRZ(subdet, ieta, 1, depth);
}

double HcalDDDRecConstants::getRZ(const int& subdet, const int& ieta, const int& iphi, const int& depth) const {
  int layf = getLayerFront(subdet, ieta, iphi, depth);
  double rz =
      (layf < 0) ? 0.0 : ((subdet == static_cast<int>(HcalBarrel)) ? (gconsHB[layf].first) : (gconsHE[layf].first));
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HCalGeom") << "getRZ: subdet|ieta|ipho|depth " << subdet << "|" << ieta << "|" << iphi << "|"
                               << depth << " lay|rz " << layf << "|" << rz;
#endif
  return rz;
}

double HcalDDDRecConstants::getRZ(const int& subdet, const int& layer) const {
  double rz(0);
  if (layer > 0 && layer <= (int)(layerGroupSize(0)))
    rz = ((subdet == static_cast<int>(HcalBarrel)) ? (gconsHB[layer - 1].first) : (gconsHE[layer - 1].first));
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HCalGeom") << "getRZ: subdet|layer " << subdet << "|" << layer << " rz " << rz;
#endif
  return rz;
}

std::pair<double, double> HcalDDDRecConstants::getRZ(const HcalDetId& id) const {
  int subdet = id.subdetId();
  int ieta = id.ieta();
  int iphi = id.iphi();
  int depth = id.depth();
  int zside = (subdet == static_cast<int>(HcalBarrel)) ? 1 : id.zside();
  int layf = getLayerFront(subdet, ieta, iphi, depth);
  double rzf = (layf < 0)
                   ? 0.0
                   : ((subdet == static_cast<int>(HcalBarrel)) ? zside * (gconsHB[layf].first - gconsHB[layf].second)
                                                               : zside * (gconsHE[layf].first - gconsHE[layf].second));
  int layb = getLayerBack(subdet, ieta, iphi, depth);
  double rzb = (layb < 0)
                   ? 0.0
                   : ((subdet == static_cast<int>(HcalBarrel)) ? zside * (gconsHB[layb].first + gconsHB[layb].second)
                                                               : zside * (gconsHE[layb].first + gconsHE[layb].second));
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HCalGeom") << "getRZ: subdet|ieta|ipho|depth " << subdet << "|" << ieta << "|" << iphi << "|"
                               << depth << " lay|rz (front) " << layf << "|" << rzf << " lay|rz (back) " << layb << "|"
                               << rzb;
#endif
  return std::pair<double, double>(rzf, rzb);
}

std::vector<HcalDDDRecConstants::HcalActiveLength> HcalDDDRecConstants::getThickActive(const int& type) const {
  std::vector<HcalDDDRecConstants::HcalActiveLength> actives;
  std::vector<HcalDDDRecConstants::HcalEtaBin> bins = getEtaBins(type);
#ifdef EDM_ML_DEBUG
  unsigned int kount(0);
#endif
  for (auto& bin : bins) {
    int ieta = bin.ieta;
    int zside = bin.zside;
    int stype = (bin.phis.size() > 4) ? 0 : 1;
    int layf = getLayerFront(type + 1, zside * ieta, bin.phis[0].first, bin.depthStart) + 1;
    int layl = hcons.getLastLayer(type + 1, zside * ieta) + 1;
    double eta = 0.5 * (bin.etaMin + bin.etaMax);
    double theta = 2 * atan(exp(-eta));
    double scale = 1.0 / ((type == 0) ? sin(theta) : cos(theta));
    int depth = bin.depthStart;
#ifdef EDM_ML_DEBUG
    edm::LogVerbatim("HCalGeom") << "Eta " << ieta << " zside " << zside << " depth " << depth << " Layers " << layf
                                 << ":" << layl << ":" << bin.layer.size();
    for (auto ll : bin.layer)
      edm::LogVerbatim("HCalGeom") << "Layer " << ll.first << ":" << ll.second;
    for (auto phi : bin.phis)
      edm::LogVerbatim("HCalGeom") << "Phi " << phi.first << ":" << convertRadToDeg(phi.second);
#endif
    for (unsigned int i = 0; i < bin.layer.size(); ++i) {
      double thick(0);
      int lmin = (type == 1 && ieta == iEtaMin[1]) ? layf : std::max(bin.layer[i].first, layf);
      int lmax = std::min(bin.layer[i].second, layl);
      for (int j = lmin; j <= lmax; ++j) {
        double t = ((type == 0) ? gconsHB[j - 1].second : gconsHE[j - 1].second);
        if ((type == 1) && (ieta <= 18))
          t = gconsHE[j].second;
        if (t > 0)
          thick += t;
      }
#ifdef EDM_ML_DEBUG
      edm::LogVerbatim("HCalGeom") << "Type " << type << " L " << lmin << ":" << lmax << " T " << thick;
#endif
      thick *= (2. * scale);
      HcalDDDRecConstants::HcalActiveLength active(ieta, depth, zside, stype, zside * eta, thick);
      for (auto phi : bin.phis)
        active.iphis.emplace_back(phi.first);
      actives.emplace_back(active);
      ++depth;
#ifdef EDM_ML_DEBUG
      kount++;
      edm::LogVerbatim("HCalGeom") << "getThickActive: [" << kount << "] eta:" << active.ieta << ":" << active.eta
                                   << " zside " << active.zside << " depth " << active.depth << " type " << active.stype
                                   << " thick " << active.thick;
#endif
    }
  }
  return actives;
}

std::vector<HcalCellType> HcalDDDRecConstants::HcalCellTypes(HcalSubdetector subdet) const {
  if (subdet == HcalBarrel || subdet == HcalEndcap) {
    std::vector<HcalCellType> cells;
    int isub = (subdet == HcalBarrel) ? 0 : 1;
    std::vector<HcalDDDRecConstants::HcalEtaBin> etabins = getEtaBins(isub);
    std::vector<int> missPhi;
    for (const auto& etabin : etabins) {
      std::vector<HcalCellType> temp;
      std::vector<int> count;
      std::vector<double> dmin, dmax;
      for (unsigned int il = 0; il < etabin.layer.size(); ++il) {
        HcalCellType cell(subdet, etabin.ieta, etabin.zside, 0, HcalCellType::HcalCell());
        temp.emplace_back(cell);
        count.emplace_back(0);
        dmin.emplace_back(0);
        dmax.emplace_back(0);
      }
      int ieta = etabin.ieta;
      for (int keta = etaSimValu[ieta - 1].first; keta <= etaSimValu[ieta - 1].second; ++keta) {
        std::vector<HcalCellType> cellsm = hcons.HcalCellTypes(subdet, keta, -1);
        for (unsigned int il = 0; il < etabin.layer.size(); ++il) {
          for (auto& ic : cellsm) {
            if (ic.depthSegment() >= etabin.layer[il].first && ic.depthSegment() <= etabin.layer[il].second &&
                ic.etaBin() == temp[il].etaBin() && ic.zside() == temp[il].zside()) {
              if (count[il] == 0) {
                temp[il] = ic;
                dmin[il] = ic.depthMin();
                dmax[il] = ic.depthMax();
              }
              ++count[il];
              if (ic.depthMin() < dmin[il])
                dmin[il] = ic.depthMin();
              if (ic.depthMax() > dmax[il])
                dmax[il] = ic.depthMax();
            }
          }
        }
      }
      for (unsigned int il = 0; il < etabin.layer.size(); ++il) {
        int depth = etabin.depthStart + (int)(il);
        temp[il].setEta(ieta, etabin.etaMin, etabin.etaMax);
        temp[il].setDepth(depth, dmin[il], dmax[il]);
        double foff = (etabin.ieta <= iEtaMax[0]) ? hpar->phioff[0] : hpar->phioff[1];
        int unit = hcons.unitPhi(etabin.dphi);
        temp[il].setPhi(etabin.phis, missPhi, foff, etabin.dphi, unit);
        cells.emplace_back(temp[il]);
      }
    }
#ifdef EDM_ML_DEBUG
    edm::LogVerbatim("HCalGeom") << "HcalDDDRecConstants: found " << cells.size() << " cells for sub-detector type "
                                 << isub;
    for (unsigned int ic = 0; ic < cells.size(); ++ic)
      edm::LogVerbatim("HCalGeom") << "Cell[" << ic << "] " << cells[ic];
#endif
    return cells;
  } else {
    return hcons.HcalCellTypes(subdet, -1, -1);
  }
}

bool HcalDDDRecConstants::mergedDepthList29(int ieta, int iphi, int depth) const {
  int eta = std::abs(ieta);
  int zside = (ieta > 0) ? 1 : -1;
  int etamin = iEtaMax[1] - hcons.getDepthEta29(iphi, zside, 1);
  if ((eta >= etamin) && (eta <= iEtaMax[1])) {
    int depthMax = getMaxDepth(1, etamin, iphi, zside);
    int depthMin = hcons.getDepthEta29(iphi, zside, 0) + 1;
    if (depth >= depthMin && depth <= depthMax)
      return true;
  }
  return false;
}

std::vector<int> HcalDDDRecConstants::mergedDepthList29(int ieta, int iphi) const {
  std::vector<int> depths;
  int eta = std::abs(ieta);
  int zside = (ieta > 0) ? 1 : -1;
  int etamin = iEtaMax[1] - hcons.getDepthEta29(iphi, zside, 1);
  if ((eta >= etamin) && (eta <= iEtaMax[1])) {
    int depthMax = getMaxDepth(1, etamin, iphi, zside);
    int depthMin = hcons.getDepthEta29(iphi, zside, 0) + 1;
    depths.reserve(depthMax - depthMin + 1);
    for (int depth = depthMin; depth <= depthMax; ++depth)
      depths.emplace_back(depth);
  }
  return depths;
}

unsigned int HcalDDDRecConstants::numberOfCells(HcalSubdetector subdet) const {
  if (subdet == HcalBarrel || subdet == HcalEndcap) {
    unsigned int num = 0;
    std::vector<HcalCellType> cellTypes = HcalCellTypes(subdet);
    for (auto& cellType : cellTypes) {
      num += (unsigned int)(cellType.nPhiBins());
    }
#ifdef EDM_ML_DEBUG
    edm::LogInfo("HCalGeom") << "HcalDDDRecConstants:numberOfCells " << cellTypes.size() << " " << num
                             << " for subdetector " << subdet;
#endif
    return num;
  } else {
    return hcons.numberOfCells(subdet);
  }
}

unsigned int HcalDDDRecConstants::nCells(HcalSubdetector subdet) const {
  if (subdet == HcalBarrel || subdet == HcalEndcap) {
    int isub = (subdet == HcalBarrel) ? 0 : 1;
    std::vector<HcalDDDRecConstants::HcalEtaBin> etabins = getEtaBins(isub);
    unsigned int ncell(0);
    for (auto& etabin : etabins) {
      ncell += ((etabin.phis.size()) * (etabin.layer.size()));
    }
    return ncell;
  } else if (subdet == HcalOuter) {
    return kHOSizePreLS1;
  } else if (subdet == HcalForward) {
    return (unsigned int)(hcons.numberOfCells(subdet));
  } else {
    return 0;
  }
}

unsigned int HcalDDDRecConstants::nCells() const {
  return (nCells(HcalBarrel) + nCells(HcalEndcap) + nCells(HcalOuter) + nCells(HcalForward));
}

HcalDetId HcalDDDRecConstants::mergedDepthDetId(const HcalDetId& id) const {
  std::map<HcalDetId, HcalDetId>::const_iterator itr = detIdSp_.find(id);
  if (itr == detIdSp_.end())
    return id;
  else
    return itr->second;
}

HcalDetId HcalDDDRecConstants::idFront(const HcalDetId& id) const {
  HcalDetId hid(id);
  std::map<HcalDetId, std::vector<HcalDetId>>::const_iterator itr = detIdSpR_.find(id);
  if (itr != detIdSpR_.end())
    hid = HcalDetId(id.subdet(), id.ieta(), id.iphi(), (itr->second)[0].depth());
  return hid;
}

HcalDetId HcalDDDRecConstants::idBack(const HcalDetId& id) const {
  HcalDetId hid(id);
  std::map<HcalDetId, std::vector<HcalDetId>>::const_iterator itr = detIdSpR_.find(id);
  if (itr != detIdSpR_.end())
    hid = HcalDetId(id.subdet(), id.ieta(), id.iphi(), (itr->second).back().depth());
  return hid;
}

void HcalDDDRecConstants::unmergeDepthDetId(const HcalDetId& id, std::vector<HcalDetId>& ids) const {
  ids.clear();
  std::map<HcalDetId, std::vector<HcalDetId>>::const_iterator itr = detIdSpR_.find(id);
  if (itr == detIdSpR_.end()) {
    ids.emplace_back(id);
  } else {
    for (auto k : itr->second) {
      HcalDetId hid(id.subdet(), id.ieta(), id.iphi(), k.depth());
      ids.emplace_back(hid);
    }
  }
}

void HcalDDDRecConstants::specialRBXHBHE(const std::vector<HcalDetId>& idsOld, std::vector<HcalDetId>& idsNew) const {
  for (auto k : idsOld) {
    std::map<HcalDetId, HcalDetId>::const_iterator itr = detIdSp_.find(k);
    if (itr == detIdSp_.end())
      idsNew.emplace_back(k);
    else
      idsNew.emplace_back(itr->second);
  }
}

bool HcalDDDRecConstants::specialRBXHBHE(bool tobemerged, std::vector<HcalDetId>& ids) const {
  if (tobemerged) {
    std::map<HcalDetId, HcalDetId>::const_iterator itr;
    for (itr = detIdSp_.begin(); itr != detIdSp_.end(); ++itr)
      ids.emplace_back(itr->first);
  } else {
    std::map<HcalDetId, std::vector<HcalDetId>>::const_iterator itr;
    for (itr = detIdSpR_.begin(); itr != detIdSpR_.end(); ++itr)
      ids.emplace_back(itr->first);
  }
  return (!ids.empty());
}

void HcalDDDRecConstants::getOneEtaBin(HcalSubdetector subdet,
                                       int ieta,
                                       int zside,
                                       std::vector<std::pair<int, double>>& phis,
                                       std::map<int, int>& layers,
                                       bool planOne,
                                       std::vector<HcalDDDRecConstants::HcalEtaBin>& bins) const {
  unsigned int lymax = (subdet == HcalBarrel) ? maxLayerHB_ + 1 : maxLayer_ + 1;
  int type = (subdet == HcalBarrel) ? 0 : 1;
  double dphi = phibin[ieta - 1];
  HcalDDDRecConstants::HcalEtaBin etabin =
      HcalDDDRecConstants::HcalEtaBin(ieta, zside, dphi, etaTable[ieta - 1], etaTable[ieta]);
  etabin.phis.insert(etabin.phis.end(), phis.begin(), phis.end());
  int n = (ieta == iEtaMax[type]) ? 0 : 1;
  HcalDDDRecConstants::HcalEtaBin etabin0 =
      HcalDDDRecConstants::HcalEtaBin(ieta, zside, dphi, etaTable[ieta - 1], etaTable[ieta + n]);
  etabin0.depthStart = hcons.getDepthEta29(phis[0].first, zside, 0) + 1;
  int dstart = -1;
  int lmin(0), lmax(0);

  std::map<int, int>::iterator itr = layers.begin();
  if (!layers.empty()) {
    int dep = itr->second;
    if (subdet == HcalEndcap && ieta == iEtaMin[type])
      dep = hcons.getDepthEta16(subdet, phis[0].first, zside);
    unsigned lymx0 = (layers.size() > lymax) ? lymax : layers.size();
#ifdef EDM_ML_DEBUG
    edm::LogVerbatim("HCalGeom") << "Eta " << ieta << ":" << hpar->noff[1] << " zside " << zside << " lymax " << lymx0
                                 << ":" << lymax << " Depth " << dep << ":" << itr->second;
    unsigned int l(0);
    for (itr = layers.begin(); itr != layers.end(); ++itr, ++l)
      edm::LogVerbatim("HCalGeom") << "Layer [" << l << "] " << itr->first << ":" << itr->second;
    edm::LogVerbatim("HCalGeom") << "With " << phis.size() << " phis";
    for (unsigned int l = 0; l < phis.size(); ++l)
      edm::LogVerbatim("HCalGeom") << "[" << l << "] " << phis[l].first << ":" << convertRadToDeg(phis[l].second);
#endif
    for (itr = layers.begin(); itr != layers.end(); ++itr) {
      if (itr->first <= (int)(lymx0)) {
        if (itr->second == dep) {
          if (lmin == 0)
            lmin = itr->first;
          lmax = itr->first;
        } else if (itr->second > dep) {
          if (dstart < 0)
            dstart = dep;
          int lmax0 = (lmax >= lmin) ? lmax : lmin;
          if (subdet == HcalEndcap && ieta + 1 == hpar->noff[1] && dep > hcons.getDepthEta29(phis[0].first, zside, 0)) {
            etabin0.layer.emplace_back(std::pair<int, int>(lmin, lmax0));
          } else {
            etabin.layer.emplace_back(std::pair<int, int>(lmin, lmax0));
          }
          lmin = itr->first;
          lmax = lmin - 1;
          dep = itr->second;
        }
        if (subdet == HcalBarrel && ieta == iEtaMax[type] && dep > hcons.getDepthEta16M(1))
          break;
        if (subdet == HcalEndcap && ieta == hpar->noff[1] && dep > hcons.getDepthEta29M(0, planOne)) {
          lmax = lymx0;
          break;
        }
        if (itr->first == (int)(lymx0))
          lmax = lymx0;
      }
    }
    if (lmax >= lmin) {
      if (ieta + 1 == hpar->noff[1]) {
        etabin0.layer.emplace_back(std::pair<int, int>(lmin, lmax));
        etabin0.phis.insert(etabin0.phis.end(), phis.begin(), phis.end());
        bins.emplace_back(etabin0);
#ifdef EDM_ML_DEBUG
        edm::LogVerbatim("HCalGeom") << "etabin0: dStatrt " << etabin0.depthStart << " layers " << etabin0.layer.size()
                                     << ":" << lmin << ":" << lmax << " phis " << phis.size();
        for (unsigned int k = 0; k < etabin0.layer.size(); ++k)
          edm::LogVerbatim("HCalGeom") << " [" << k << "] " << etabin0.layer[k].first << ":" << etabin0.layer[k].second;
#endif
      } else if (ieta == hpar->noff[1]) {
      } else {
        etabin.layer.emplace_back(std::pair<int, int>(lmin, lmax));
        if (dstart < 0)
          dstart = dep;
      }
    }
  }
  etabin.depthStart = dstart;
  bins.emplace_back(etabin);
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HCalGeom") << "etabin: dStatrt " << etabin.depthStart << " layers " << etabin.layer.size() << ":"
                               << lmin << ":" << lmax << " phis " << etabin.phis.size();
  for (unsigned int k = 0; k < etabin.layer.size(); ++k)
    edm::LogVerbatim("HCalGeom") << "[" << k << "] " << etabin.layer[k].first << ":" << etabin.layer[k].second;
#endif
}

void HcalDDDRecConstants::initialize(void) {
  //Eta grouping
  int nEta = (int)(hpar->etagroup.size());
  if (nEta != (int)(hpar->phigroup.size())) {
    edm::LogError("HCalGeom") << "HcalDDDRecConstants: sizes of the vectors "
                              << " etaGroup (" << nEta << ") and phiGroup (" << hpar->phigroup.size()
                              << ") do not match";
    throw cms::Exception("DDException") << "HcalDDDRecConstants: inconsistent array sizes" << nEta << ":"
                                        << hpar->phigroup.size();
  }

  // First eta table
  iEtaMin = hpar->etaMin;
  iEtaMax = hpar->etaMax;
  etaTable.clear();
  ietaMap.clear();
  etaSimValu.clear();
  int ieta(0), ietaHB(0), ietaHE(0), ietaHEM(0);
  etaTable.emplace_back(hpar->etaTable[ieta]);
  for (int i = 0; i < nEta; ++i) {
    int ef = ieta + 1;
    ieta += (hpar->etagroup[i]);
    if (ieta >= (int)(hpar->etaTable.size())) {
      edm::LogError("HCalGeom") << "HcalDDDRecConstants: Going beyond the array boundary " << hpar->etaTable.size()
                                << " at index " << i << " of etaTable from SimConstant";
      throw cms::Exception("DDException")
          << "HcalDDDRecConstants: Going beyond the array boundary " << hpar->etaTable.size() << " at index " << i
          << " of etaTable from SimConstant";
    } else {
      etaTable.emplace_back(hpar->etaTable[ieta]);
      etaSimValu.emplace_back(std::pair<int, int>(ef, ieta));
    }
    for (int k = 0; k < (hpar->etagroup[i]); ++k)
      ietaMap.emplace_back(i + 1);
    if (ieta <= hpar->etaMax[0])
      ietaHB = i + 1;
    if (ieta <= hpar->etaMin[1])
      ietaHE = i + 1;
    if (ieta <= hpar->etaMax[1])
      ietaHEM = i + 1;
  }
  iEtaMin[1] = ietaHE;
  iEtaMax[0] = ietaHB;
  iEtaMax[1] = ietaHEM;

  // Then Phi bins
  nPhiBins.clear();
  for (unsigned int k = 0; k < 4; ++k)
    nPhiBins.emplace_back(0);
  ieta = 0;
  phibin.clear();
  phiUnitS.clear();
  for (int i = 0; i < nEta; ++i) {
    double dphi = (hpar->phigroup[i]) * (hpar->phibin[ieta]);
    phibin.emplace_back(dphi);
    int nphi = (int)((2._pi + 0.001) / dphi);
    if (ieta <= iEtaMax[0]) {
      if (nphi > nPhiBins[0])
        nPhiBins[3] = nPhiBins[0] = nphi;
    }
    if (ieta >= iEtaMin[1]) {
      if (nphi > nPhiBins[1])
        nPhiBins[1] = nphi;
    }
    ieta += (hpar->etagroup[i]);
  }
  for (unsigned int i = 1; i < hpar->etaTable.size(); ++i) {
    int unit = hcons.unitPhi(hpar->phibin[i - 1]);
    phiUnitS.emplace_back(unit);
  }
  for (double i : hpar->phitable) {
    int nphi = (int)((2._pi + 0.001) / i);
    if (nphi > nPhiBins[2])
      nPhiBins[2] = nphi;
  }
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HCalGeom") << "HcalDDDRecConstants: Modified eta/deltaphi table for " << nEta << " bins";
  for (int i = 0; i < nEta; ++i)
    edm::LogVerbatim("HCalGeom") << "Eta[" << i << "] = " << etaTable[i] << ":" << etaTable[i + 1] << ":"
                                 << etaSimValu[i].first << ":" << etaSimValu[i].second << " PhiBin[" << i
                                 << "] = " << convertRadToDeg(phibin[i]);
  for (unsigned int i = 0; i < phiUnitS.size(); ++i)
    edm::LogVerbatim("HCalGeom") << " PhiUnitS[" << i << "] = " << phiUnitS[i];
  for (unsigned int i = 0; i < nPhiBins.size(); ++i)
    edm::LogVerbatim("HCalGeom") << " nPhiBins[" << i << "] = " << nPhiBins[i];
  for (unsigned int i = 0; i < hpar->etaTableHF.size(); ++i)
    edm::LogVerbatim("HCalGeom") << " EtaTableHF[" << i << "] = " << hpar->etaTableHF[i];
  for (unsigned int i = 0; i < hpar->phitable.size(); ++i)
    edm::LogVerbatim("HCalGeom") << " PhiBinHF[" << i << "] = " << hpar->phitable[i];
#endif

  //Now the depths
  maxDepth = hpar->maxDepth;
  maxDepth[0] = maxDepth[1] = 0;
  for (int i = 0; i < nEta; ++i) {
    unsigned int imx = layerGroupSize(i);
    int laymax = (imx > 0) ? layerGroup(i, imx - 1) : 0;
    if (i < iEtaMax[0]) {
      int laymax0 = (imx > 16) ? layerGroup(i, 16) : laymax;
      if (i + 1 == iEtaMax[0])
        laymax0 = hcons.getDepthEta16M(1);
#ifdef EDM_ML_DEBUG
      edm::LogVerbatim("HCalGeom") << "HcalDDDRecConstants:HB " << i << " " << imx << " " << laymax << " " << laymax0;
#endif
      if (maxDepth[0] < laymax0)
        maxDepth[0] = laymax0;
    }
    if (i >= iEtaMin[1] - 1 && i < iEtaMax[1]) {
#ifdef EDM_ML_DEBUG
      edm::LogVerbatim("HCalGeom") << "HcalDDDRecConstants:HE " << i << " " << imx << " " << laymax;
#endif
      if (maxDepth[1] < laymax)
        maxDepth[1] = laymax;
    }
  }
#ifdef EDM_ML_DEBUG
  for (int i = 0; i < 4; ++i)
    edm::LogVerbatim("HCalGeom") << "HcalDDDRecConstants:Detector Type[" << i << "] iEta " << iEtaMin[i] << ":"
                                 << iEtaMax[i] << " MaxDepth " << maxDepth[i];
#endif

  //Now the geometry constants
  nModule[0] = hpar->modHB[0];
  nHalves[0] = hpar->modHB[1];
  for (unsigned int i = 0; i < hpar->rHB.size(); ++i) {
    gconsHB.emplace_back(std::pair<double, double>(hpar->rHB[i] / CLHEP::cm, hpar->drHB[i] / CLHEP::cm));
  }
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HCalGeom") << "HcalDDDRecConstants:HB with " << nModule[0] << " modules and " << nHalves[0]
                               << " halves and " << gconsHB.size() << " layers";
  for (unsigned int i = 0; i < gconsHB.size(); ++i)
    edm::LogVerbatim("HCalGeom") << "rHB[" << i << "] = " << gconsHB[i].first << " +- " << gconsHB[i].second;
#endif
  nModule[1] = hpar->modHE[0];
  nHalves[1] = hpar->modHE[1];
  for (unsigned int i = 0; i < hpar->zHE.size(); ++i) {
    gconsHE.emplace_back(std::pair<double, double>(hpar->zHE[i] / CLHEP::cm, hpar->dzHE[i] / CLHEP::cm));
  }
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HCalGeom") << "HcalDDDRecConstants:HE with " << nModule[1] << " modules and " << nHalves[1]
                               << " halves and " << gconsHE.size() << " layers";
  for (unsigned int i = 0; i < gconsHE.size(); ++i)
    edm::LogVerbatim("HCalGeom") << "zHE[" << i << "] = " << gconsHE[i].first << " +- " << gconsHE[i].second;
#endif

  //Special RBX
  depthMaxSp_ = hcons.getMaxDepthDet(0);
  if (depthMaxSp_.first == 0) {
    depthMaxSp_ = depthMaxDf_ = std::pair<int, int>(2, maxDepth[1]);
  } else if (depthMaxSp_.first == 1) {
    depthMaxDf_ = std::pair<int, int>(1, maxDepth[0]);
    if (depthMaxSp_.second > maxDepth[0])
      maxDepth[0] = depthMaxSp_.second;
  } else {
    depthMaxDf_ = std::pair<int, int>(2, maxDepth[1]);
    if (depthMaxSp_.second > maxDepth[1])
      maxDepth[1] = depthMaxSp_.second;
  }
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HCalGeom") << "HcalDDDRecConstants:Detector type and maximum depth for all RBX "
                               << depthMaxDf_.first << ":" << depthMaxDf_.second << " and for special RBX "
                               << depthMaxSp_.first << ":" << depthMaxSp_.second;
#endif

  //Map of special DetId's
  std::vector<int> phis;
  HcalSubdetector subdet = HcalSubdetector(hcons.ldMap()->validDet(phis));
  detIdSp_.clear();
  detIdSpR_.clear();
  if ((subdet == HcalBarrel) || (subdet == HcalEndcap)) {
    int phi = (phis[0] > 0) ? phis[0] : -phis[0];
    int zside = (phis[0] > 0) ? 1 : -1;
    int lymax = (subdet == HcalBarrel) ? maxLayerHB_ + 1 : maxLayer_ + 1;
    std::pair<int, int> etas = hcons.ldMap()->validEta();
    for (int eta = etas.first; eta <= etas.second; ++eta) {
      std::map<int, std::pair<int, int>> oldDep;
      int depth(0);
      int lmin = layerGroup(eta - 1, 0);
      for (int lay = 0; lay < lymax; ++lay) {
        int depc = layerGroup(eta - 1, lay);
        if (depth != depc) {
          if (depth != 0)
            oldDep[depth] = std::pair<int, int>(lmin, lay - 1);
          depth = depc;
          lmin = lay;
        }
      }
      if (depth != 0)
        oldDep[depth] = std::pair<int, int>(lmin, lymax - 1);
#ifdef EDM_ML_DEBUG
      edm::LogVerbatim("HCalGeom") << "HcalDDDRecConstants:Eta|Phi|Zside " << eta << ":" << phi << ":" << zside
                                   << " with " << oldDep.size() << " old Depths";
      unsigned int kk(0);
      for (std::map<int, std::pair<int, int>>::const_iterator itr = oldDep.begin(); itr != oldDep.end(); ++itr, ++kk)
        edm::LogVerbatim("HCalGeom") << "[" << kk << "] " << itr->first << " --> " << itr->second.first << ":"
                                     << itr->second.second;
#endif
      std::pair<int, int> depths = hcons.ldMap()->getDepths(eta);
      for (int ndepth = depths.first; ndepth <= depths.second; ++ndepth) {
        bool flag = ((subdet == HcalBarrel && eta == iEtaMax[0] && ndepth > hcons.getDepthEta16(subdet, phi, zside)) ||
                     (subdet == HcalEndcap && eta == iEtaMin[1] && ndepth < hcons.getDepthEta16(subdet, phi, zside)));
        if (!flag) {
          std::vector<int> count(oldDep.size(), 0);
          int layFront = hcons.ldMap()->getLayerFront(subdet, eta, phi, zside, ndepth);
          int layBack = hcons.ldMap()->getLayerBack(subdet, eta, phi, zside, ndepth);
          for (int lay = layFront; lay <= layBack; ++lay) {
            unsigned int l(0);
            for (std::map<int, std::pair<int, int>>::iterator itr = oldDep.begin(); itr != oldDep.end(); ++itr, ++l) {
              if (lay >= (itr->second).first && lay <= (itr->second).second) {
                ++count[l];
                break;
              }
            }
          }
          int odepth(0), maxlay(0);
          unsigned int l(0);
          for (std::map<int, std::pair<int, int>>::iterator itr = oldDep.begin(); itr != oldDep.end(); ++itr, ++l) {
            if (count[l] > maxlay) {
              odepth = itr->first;
              maxlay = count[l];
            }
          }
#ifdef EDM_ML_DEBUG
          edm::LogVerbatim("HCalGeom") << "HcalDDDRecConstants:New Depth " << ndepth << " old Depth " << odepth
                                       << " max " << maxlay;
#endif
          for (int k : phis) {
            zside = (k > 0) ? 1 : -1;
            phi = (k > 0) ? k : -k;
            if (subdet == HcalEndcap && eta == hpar->noff[1] && ndepth > hcons.getDepthEta29M(0, true))
              break;
            HcalDetId newId(subdet, zside * eta, phi, ndepth);
            HcalDetId oldId(subdet, zside * eta, phi, odepth);
            detIdSp_[newId] = oldId;
            std::vector<HcalDetId> ids;
            std::map<HcalDetId, std::vector<HcalDetId>>::iterator itr = detIdSpR_.find(oldId);
            if (itr != detIdSpR_.end())
              ids = itr->second;
            ids.emplace_back(newId);
            detIdSpR_[oldId] = ids;
          }
        }
      }
    }
#ifdef EDM_ML_DEBUG
    edm::LogVerbatim("HCalGeom") << "HcalDDDRecConstants:Map for merging new channels to old channel"
                                 << " IDs with " << detIdSp_.size() << " entries";
    int l(0);
    for (auto itr : detIdSp_) {
      edm::LogVerbatim("HCalGeom") << "[" << l << "] Special " << itr.first << " Standard " << itr.second;
      ++l;
    }
    edm::LogVerbatim("HCalGeom") << "HcalDDDRecConstants:Reverse Map for mapping old to new IDs with "
                                 << detIdSpR_.size() << " entries";
    l = 0;
    for (auto itr : detIdSpR_) {
      edm::LogVerbatim("HCalGeom") << "[" << l << "] Standard " << itr.first << " Special";
      for (auto itr1 : itr.second)
        edm::LogVerbatim("HCalGeom") << "ID " << (itr1);
      ++l;
    }
#endif
  }
}

unsigned int HcalDDDRecConstants::layerGroupSize(int eta) const {
  unsigned int k = 0;
  for (auto const& it : hpar->layerGroupEtaRec) {
    if (it.layer == (unsigned int)(eta + 1)) {
      return it.layerGroup.size();
    }
    if (it.layer > (unsigned int)(eta + 1))
      break;
    k = it.layerGroup.size();
  }
  return k;
}

unsigned int HcalDDDRecConstants::layerGroup(int eta, int i) const {
  unsigned int k = 0;
  for (auto const& it : hpar->layerGroupEtaRec) {
    if (it.layer == (unsigned int)(eta + 1)) {
      return it.layerGroup.at(i);
    }
    if (it.layer > (unsigned int)(eta + 1))
      break;
    k = it.layerGroup.at(i);
  }
  return k;
}