PhiSymmetryCalibration_step2.cc

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#include "Calibration/EcalCalibAlgos/src/PhiSymmetryCalibration_step2.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "CondFormats/EcalObjects/interface/EcalIntercalibConstants.h"
#include "CondTools/Ecal/interface/EcalIntercalibConstantsXMLTranslator.h"
#include "CondFormats/DataRecord/interface/EcalIntercalibConstantsRcd.h"
#include "CondFormats/DataRecord/interface/EcalChannelStatusRcd.h"
#include "Geometry/Records/interface/CaloGeometryRecord.h"
#include "Geometry/CaloGeometry/interface/CaloGeometry.h"
 
#include "TH2F.h"
 
#include "TH1F.h"
#include "TFile.h"
 
#include <filesystem>
#include <fstream>
 
using namespace std;
 
PhiSymmetryCalibration_step2::~PhiSymmetryCalibration_step2() {}
 
PhiSymmetryCalibration_step2::PhiSymmetryCalibration_step2(const edm::ParameterSet& iConfig) {
  statusThreshold_ = iConfig.getUntrackedParameter<int>("statusThreshold", 0);
  have_initial_miscalib_ = iConfig.getUntrackedParameter<bool>("haveInitialMiscalib", false);
  initialmiscalibfile_ = iConfig.getUntrackedParameter<std::string>("initialmiscalibfile", "InitialMiscalib.xml");
  oldcalibfile_ = iConfig.getUntrackedParameter<std::string>("oldcalibfile", "EcalIntercalibConstants.xml");
  reiteration_ = iConfig.getUntrackedParameter<bool>("reiteration", false);
  firstpass_ = true;
}
 
void PhiSymmetryCalibration_step2::analyze(const edm::Event& ev, const edm::EventSetup& se) {
  if (firstpass_) {
    setUp(se);
    firstpass_ = false;
  }
}
 
void PhiSymmetryCalibration_step2::setUp(const edm::EventSetup& se) {
  edm::ESHandle<EcalChannelStatus> chStatus;
  se.get<EcalChannelStatusRcd>().get(chStatus);
 
  edm::ESHandle<CaloGeometry> geoHandle;
  se.get<CaloGeometryRecord>().get(geoHandle);
 
  barrelCells = geoHandle->getValidDetIds(DetId::Ecal, EcalBarrel);
  endcapCells = geoHandle->getValidDetIds(DetId::Ecal, EcalEndcap);
 
  e_.setup(&(*geoHandle), &(*chStatus), statusThreshold_);
 
  if (have_initial_miscalib_) {
    EcalCondHeader h;
    namespace fs = std::filesystem;
    fs::path p(initialmiscalibfile_.c_str());
    if (!fs::exists(p))
      edm::LogError("PhiSym") << "File not found: " << initialmiscalibfile_ << endl;
 
    int ret = EcalIntercalibConstantsXMLTranslator::readXML(initialmiscalibfile_, h, miscalib_);
    if (ret)
      edm::LogError("PhiSym") << "Error reading XML files" << endl;
    ;
  } else {
    for (vector<DetId>::iterator it = barrelCells.begin(); it != barrelCells.end(); ++it) {
      miscalib_[*it] = 1;
    }
 
    for (vector<DetId>::iterator it = endcapCells.begin(); it != endcapCells.end(); ++it) {
      miscalib_[*it] = 1;
    }
  }
 
  // if we are reiterating, read constants from previous iter
  // if not put them to one
  if (reiteration_) {
    EcalCondHeader h;
    namespace fs = std::filesystem;
    fs::path p(oldcalibfile_.c_str());
    if (!fs::exists(p))
      edm::LogError("PhiSym") << "File not found: " << oldcalibfile_ << endl;
 
    int ret = EcalIntercalibConstantsXMLTranslator::readXML(oldcalibfile_, h, oldCalibs_);
 
    if (ret)
      edm::LogError("PhiSym") << "Error reading XML files" << endl;
    ;
 
  } else {
    for (vector<DetId>::iterator it = barrelCells.begin(); it != barrelCells.end(); ++it)
      oldCalibs_[*it] = 1;
 
    for (vector<DetId>::iterator it = endcapCells.begin(); it != endcapCells.end(); ++it)
      oldCalibs_[*it] = 1;
 
  }  // else
}
 
void PhiSymmetryCalibration_step2::beginJob() {
  for (int ieta = 0; ieta < kBarlRings; ieta++) {
    for (int iphi = 0; iphi < kBarlWedges; iphi++) {
      for (int sign = 0; sign < kSides; sign++) {
        etsum_barl_[ieta][iphi][sign] = 0.;
        nhits_barl_[ieta][iphi][sign] = 0;
        esum_barl_[ieta][iphi][sign] = 0.;
      }
    }
  }
 
  for (int ix = 0; ix < kEndcWedgesX; ix++) {
    for (int iy = 0; iy < kEndcWedgesY; iy++) {
      for (int sign = 0; sign < kSides; sign++) {
        etsum_endc_[ix][iy][sign] = 0.;
        nhits_endc_[ix][iy][sign] = 0;
        esum_endc_[ix][iy][sign] = 0.;
      }
    }
  }
 
  readEtSums();
  setupResidHistos();
}
 
void PhiSymmetryCalibration_step2::endJob() {
  if (firstpass_) {
    edm::LogError("PhiSym") << "Must process at least one event-Exiting" << endl;
    return;
  }
 
  // Here the real calculation of constants happens
 
  // perform the area correction for endcap etsum
  // NOT  USED  ANYMORE
 
  for (int ix = 0; ix < kEndcWedgesX; ix++) {
    for (int iy = 0; iy < kEndcWedgesY; iy++) {
      int ring = e_.endcapRing_[ix][iy];
 
      if (ring != -1) {
        for (int sign = 0; sign < kSides; sign++) {
          etsum_endc_uncorr[ix][iy][sign] = etsum_endc_[ix][iy][sign];
          etsum_endc_[ix][iy][sign] *= e_.meanCellArea_[ring] / e_.cellArea_[ix][iy];
        }
      }
    }
  }
 
  // ETsum histos, maps and other usefull histos (area,...)
  // are filled and saved here
  fillHistos();
 
  // write ETsum mean for all rings
  std::ofstream etsumMean_barl_out("etsumMean_barl.dat", ios::out);
  for (int ieta = 0; ieta < kBarlRings; ieta++) {
    etsumMean_barl_out << ieta << " " << etsumMean_barl_[ieta] << endl;
  }
  etsumMean_barl_out.close();
 
  std::ofstream etsumMean_endc_out("etsumMean_endc.dat", ios::out);
  for (int ring = 0; ring < kEndcEtaRings; ring++) {
    etsumMean_endc_out << e_.cellPos_[ring][50].eta() << " " << etsumMean_endc_[ring] << endl;
  }
  etsumMean_endc_out.close();
 
  // determine barrel calibration constants
  for (int ieta = 0; ieta < kBarlRings; ieta++) {
    for (int iphi = 0; iphi < kBarlWedges; iphi++) {
      for (int sign = 0; sign < kSides; sign++) {
        if (e_.goodCell_barl[ieta][iphi][sign]) {
          float etsum = etsum_barl_[ieta][iphi][sign];
          float epsilon_T = (etsum / etsumMean_barl_[ieta]) - 1.;
          rawconst_barl[ieta][iphi][sign] = epsilon_T + 1.;
          epsilon_M_barl[ieta][iphi][sign] = epsilon_T / k_barl_[ieta];
        } else {
          rawconst_barl[ieta][iphi][sign] = 1.;
          epsilon_M_barl[ieta][iphi][sign] = 0.;
        }  //if
      }    //sign
    }      //iphi
  }        //ieta
 
  // determine endcap calibration constants
  for (int ix = 0; ix < kEndcWedgesX; ix++) {
    for (int iy = 0; iy < kEndcWedgesY; iy++) {
      for (int sign = 0; sign < kSides; sign++) {
        int ring = e_.endcapRing_[ix][iy];
        if (ring != -1 && e_.goodCell_endc[ix][iy][sign]) {
          float etsum = etsum_endc_[ix][iy][sign];
          float epsilon_T = (etsum / etsumMean_endc_[ring]) - 1.;
          rawconst_endc[ix][iy][sign] = epsilon_T + 1.;
          epsilon_M_endc[ix][iy][sign] = epsilon_T / k_endc_[ring];
        } else {
          epsilon_M_endc[ix][iy][0] = 0.;
          epsilon_M_endc[ix][iy][1] = 0.;
          rawconst_endc[ix][iy][0] = 1.;
          rawconst_endc[ix][iy][1] = 1.;
        }  //if
      }    //sign
    }      //iy
  }        //ix
 
  std::string newcalibfile("EcalIntercalibConstants_new.xml");
 
  TFile ehistof("ehistos.root", "recreate");
 
  TH1D ebhisto("eb", "eb", 100, 0., 2.);
 
  std::vector<DetId>::const_iterator barrelIt = barrelCells.begin();
  for (; barrelIt != barrelCells.end(); barrelIt++) {
    EBDetId eb(*barrelIt);
    int ieta = abs(eb.ieta()) - 1;
    int iphi = eb.iphi() - 1;
    int sign = eb.zside() > 0 ? 1 : 0;
 
    newCalibs_[eb] = oldCalibs_[eb] / (1 + epsilon_M_barl[ieta][iphi][sign]);
 
    if (e_.goodCell_barl[ieta][iphi][sign]) {
      ebhisto.Fill(newCalibs_[eb]);
 
      miscal_resid_barl_histos[ieta]->Fill(miscalib_[eb] * newCalibs_[eb]);
      correl_barl_histos[ieta]->Fill(miscalib_[eb], newCalibs_[eb]);
    }
 
  }  // barrelit
 
  TH1D eehisto("ee", "ee", 100, 0., 2.);
  std::vector<DetId>::const_iterator endcapIt = endcapCells.begin();
 
  for (; endcapIt != endcapCells.end(); endcapIt++) {
    EEDetId ee(*endcapIt);
    int ix = ee.ix() - 1;
    int iy = ee.iy() - 1;
    int sign = ee.zside() > 0 ? 1 : 0;
 
    newCalibs_[ee] = oldCalibs_[ee] / (1 + epsilon_M_endc[ix][iy][sign]);
 
    if (e_.goodCell_endc[ix][iy][sign]) {
      eehisto.Fill(newCalibs_[ee]);
      miscal_resid_endc_histos[e_.endcapRing_[ix][iy]]->Fill(miscalib_[ee] * newCalibs_[ee]);
      ;
 
      correl_endc_histos[e_.endcapRing_[ix][iy]]->Fill(miscalib_[ee], newCalibs_[ee]);
    }
  }  //endcapit
  // Write xml file
  EcalCondHeader header;
  header.method_ = "phi symmetry";
  header.version_ = "0";
  header.datasource_ = "testdata";
  header.since_ = 1;
  header.tag_ = "unknown";
  header.date_ = "Mar 24 1973";
 
  EcalIntercalibConstantsXMLTranslator::writeXML(newcalibfile, header, newCalibs_);
 
  eehisto.Write();
  ebhisto.Write();
  ehistof.Close();
 
  fillConstantsHistos();
 
  outResidHistos();
 
  // finally output global etsums
  std::fstream ebf("etsummary_barl.dat", ios::out);
  std::fstream eef("etsummary_endc.dat", ios::out);
 
  for (int ieta = 0; ieta < kBarlRings; ieta++) {
    for (int iphi = 0; iphi < kBarlWedges; iphi++) {
      for (int sign = 0; sign < kSides; sign++) {
        ebf << ieta << " " << iphi << " " << sign << " " << etsum_barl_[ieta][iphi][sign] << endl;
      }
    }
  }
 
  for (int ix = 0; ix < kEndcWedgesX; ix++) {
    for (int iy = 0; iy < kEndcWedgesY; iy++) {
      for (int sign = 0; sign < kSides; sign++) {
        eef << ix << " " << iy << " " << sign << " " << etsum_endc_[ix][iy][sign] << endl;
      }
    }
  }
}
 
void PhiSymmetryCalibration_step2::fillConstantsHistos() {
  TFile f("CalibHistos.root", "recreate");
 
  TH2F barreletamap("barreletamap", "barreletamap", 171, -85, 86, 100, 0., 2.);
  TH2F barreletamapraw("barreletamapraw", "barreletamapraw", 171, -85, 86, 100, 0., 2.);
 
  TH2F barrelmapold("barrelmapold", "barrelmapold", 360, 1., 361., 171, -85., 86.);
  TH2F barrelmapnew("barrelmapnew", "barrelmapnew", 360, 1., 361., 171, -85., 86.);
  TH2F barrelmapratio("barrelmapratio", "barrelmapratio", 360, 1., 361., 171, -85., 86.);
 
  TH1F rawconst_endc_h("rawconst_endc", "rawconst_endc", 100, 0., 2.);
  TH1F const_endc_h("const_endc", "const_endc", 100, 0., 2.);
 
  TH1F oldconst_endc_h("oldconst_endc", "oldconst_endc;oldCalib;", 200, 0, 2);
  TH2F newvsraw_endc_h("newvsraw_endc", "newvsraw_endc;rawConst;newCalib", 200, 0, 2, 200, 0, 2);
 
  TH2F endcapmapold_plus("endcapmapold_plus", "endcapmapold_plus", 100, 1., 101., 100, 1., 101.);
  TH2F endcapmapnew_plus("endcapmapnew_plus", "endcapmapnew_plus", 100, 1., 101., 100, 1., 101.);
  TH2F endcapmapratio_plus("endcapmapratio_plus", "endcapmapratio_plus", 100, 1., 101., 100, 1., 101.);
 
  TH2F endcapmapold_minus("endcapmapold_minus", "endcapmapold_minus", 100, 1., 101., 100, 1., 101.);
  TH2F endcapmapnew_minus("endcapmapnew_minus", "endcapmapnew_minus", 100, 1., 101., 100, 1., 101.);
  TH2F endcapmapratio_minus("endcapmapratio_minus", "endcapmapratio_minus", 100, 1., 101., 100, 1., 101.);
 
  for (int sign = 0; sign < kSides; sign++) {
    int thesign = sign == 1 ? 1 : -1;
 
    for (int ieta = 0; ieta < kBarlRings; ieta++) {
      for (int iphi = 0; iphi < kBarlWedges; iphi++) {
        if (e_.goodCell_barl[ieta][iphi][sign]) {
          EBDetId eb(thesign * (ieta + 1), iphi + 1);
          //int mod20= (iphi+1)%20;
          //if (mod20==0 || mod20==1 ||mod20==2) continue;  // exclude SM boundaries
          barreletamap.Fill(ieta * thesign + thesign, newCalibs_[eb]);
          barreletamapraw.Fill(ieta * thesign + thesign, rawconst_barl[ieta][iphi][sign]);
 
          barrelmapold.Fill(iphi + 1, ieta * thesign + thesign, oldCalibs_[eb]);
          barrelmapnew.Fill(iphi + 1, ieta * thesign + thesign, newCalibs_[eb]);
          barrelmapratio.Fill(iphi + 1, ieta * thesign + thesign, newCalibs_[eb] / oldCalibs_[eb]);
        }  //if
      }    //iphi
    }      //ieta
 
    for (int ix = 0; ix < kEndcWedgesX; ix++) {
      for (int iy = 0; iy < kEndcWedgesY; iy++) {
        if (e_.goodCell_endc[ix][iy][sign]) {
          if (!EEDetId::validDetId(ix + 1, iy + 1, thesign))
            continue;
          EEDetId ee(ix + 1, iy + 1, thesign);
 
          rawconst_endc_h.Fill(rawconst_endc[ix][iy][sign]);
          const_endc_h.Fill(newCalibs_[ee]);
          oldconst_endc_h.Fill(oldCalibs_[ee]);
          newvsraw_endc_h.Fill(rawconst_endc[ix][iy][sign], newCalibs_[ee]);
 
          if (sign == 1) {
            endcapmapold_plus.Fill(ix + 1, iy + 1, oldCalibs_[ee]);
            endcapmapnew_plus.Fill(ix + 1, iy + 1, newCalibs_[ee]);
            endcapmapratio_plus.Fill(ix + 1, iy + 1, newCalibs_[ee] / oldCalibs_[ee]);
          } else {
            endcapmapold_minus.Fill(ix + 1, iy + 1, oldCalibs_[ee]);
            endcapmapnew_minus.Fill(ix + 1, iy + 1, newCalibs_[ee]);
            endcapmapratio_minus.Fill(ix + 1, iy + 1, newCalibs_[ee] / oldCalibs_[ee]);
          }
 
        }  //if
      }    //iy
    }      //ix
 
  }  // sides
 
  barreletamap.Write();
  barreletamapraw.Write();
  rawconst_endc_h.Write();
  const_endc_h.Write();
  oldconst_endc_h.Write();
  newvsraw_endc_h.Write();
  barrelmapold.Write();
  barrelmapnew.Write();
  barrelmapratio.Write();
  endcapmapold_plus.Write();
  endcapmapnew_plus.Write();
  endcapmapratio_plus.Write();
  endcapmapold_minus.Write();
  endcapmapnew_minus.Write();
  endcapmapratio_minus.Write();
 
  f.Close();
}
 
//_____________________________________________________________________________
 
void PhiSymmetryCalibration_step2::fillHistos() {
  TFile f("PhiSymmetryCalibration.root", "recreate");
 
  std::vector<TH1F*> etsum_barl_histos(kBarlRings);
  std::vector<TH1F*> esum_barl_histos(kBarlRings);
 
  // determine ranges of ET sums to get histo bounds and book histos (barrel)
  for (int ieta = 0; ieta < kBarlRings; ieta++) {
    float low = 999999.;
    float high = 0.;
    float low_e = 999999.;
    float high_e = 0.;
 
    for (int iphi = 0; iphi < kBarlWedges; iphi++) {
      for (int sign = 0; sign < kSides; sign++) {
        float etsum = etsum_barl_[ieta][iphi][sign];
        if (etsum < low && etsum != 0.)
          low = etsum;
        if (etsum > high)
          high = etsum;
 
        float esum = esum_barl_[ieta][iphi][sign];
        if (esum < low_e && esum != 0.)
          low_e = esum;
        if (esum > high_e)
          high_e = esum;
      }
    }
 
    ostringstream t;
    t << "etsum_barl_" << ieta + 1;
    etsum_barl_histos[ieta] = new TH1F(t.str().c_str(), "", 50, low - .2 * low, high + .1 * high);
    t.str("");
 
    t << "esum_barl_" << ieta + 1;
    esum_barl_histos[ieta] = new TH1F(t.str().c_str(), "", 50, low_e - .2 * low_e, high_e + .1 * high_e);
    t.str("");
 
    // fill barrel ET sum histos
    etsumMean_barl_[ieta] = 0.;
    esumMean_barl_[ieta] = 0.;
    for (int iphi = 0; iphi < kBarlWedges; iphi++) {
      for (int sign = 0; sign < kSides; sign++) {
        if (e_.goodCell_barl[ieta][iphi][sign]) {
          float etsum = etsum_barl_[ieta][iphi][sign];
          float esum = esum_barl_[ieta][iphi][sign];
          etsum_barl_histos[ieta]->Fill(etsum);
          esum_barl_histos[ieta]->Fill(esum);
          etsumMean_barl_[ieta] += etsum;
          esumMean_barl_[ieta] += esum;
        }
      }
    }
 
    etsum_barl_histos[ieta]->Write();
    esum_barl_histos[ieta]->Write();
    etsumMean_barl_[ieta] /= (720. - e_.nBads_barl[ieta]);
    esumMean_barl_[ieta] /= (720. - e_.nBads_barl[ieta]);
    delete etsum_barl_histos[ieta];
    delete esum_barl_histos[ieta];  //VS
  }
 
  std::vector<TH1F*> etsum_endc_histos(kEndcEtaRings);
  std::vector<TH1F*> etsum_endc_uncorr_histos(kEndcEtaRings);
  std::vector<TH1F*> esum_endc_histos(kEndcEtaRings);
 
  std::vector<TH2F*> etsumvsarea_endc_histos(kEndcEtaRings);
  std::vector<TH2F*> esumvsarea_endc_histos(kEndcEtaRings);
 
  // determine ranges of ET sums to get histo bounds and book histos (endcap)
  for (int ring = 0; ring < kEndcEtaRings; ring++) {
    float low = FLT_MAX;
    float low_uncorr = FLT_MAX;
    float high = 0.;
    float high_uncorr = 0;
    float low_e = FLT_MAX;
    float high_e = 0.;
    float low_a = 1.;
    float high_a = 0.;
    for (int ix = 0; ix < kEndcWedgesX; ix++) {
      for (int iy = 0; iy < kEndcWedgesY; iy++) {
        if (e_.endcapRing_[ix][iy] == ring) {
          for (int sign = 0; sign < kSides; sign++) {
            float etsum = etsum_endc_[ix][iy][sign];
            if (etsum < low && etsum != 0.)
              low = etsum;
            if (etsum > high)
              high = etsum;
 
            float etsum_uncorr = etsum_endc_uncorr[ix][iy][sign];
            if (etsum_uncorr < low_uncorr && etsum_uncorr != 0.)
              low_uncorr = etsum_uncorr;
            if (etsum_uncorr > high_uncorr)
              high_uncorr = etsum_uncorr;
 
            float esum = esum_endc_[ix][iy][sign];
            if (esum < low_e && esum != 0.)
              low_e = esum;
            if (esum > high_e)
              high_e = esum;
 
            float area = e_.cellArea_[ix][iy];
            if (area < low_a)
              low_a = area;
            if (area > high_a)
              high_a = area;
          }
        }
      }
    }
 
    ostringstream t;
    t << "etsum_endc_" << ring + 1;
    etsum_endc_histos[ring] = new TH1F(t.str().c_str(), "", 50, low - .2 * low, high + .1 * high);
    t.str("");
 
    t << "etsum_endc_uncorr_" << ring + 1;
    etsum_endc_uncorr_histos[ring] =
        new TH1F(t.str().c_str(), "", 50, low_uncorr - .2 * low_uncorr, high_uncorr + .1 * high_uncorr);
    t.str("");
 
    t << "esum_endc_" << ring + 1;
    esum_endc_histos[ring] = new TH1F(t.str().c_str(), "", 50, low_e - .2 * low_e, high_e + .1 * high_e);
    t.str("");
 
    t << "etsumvsarea_endc_" << ring + 1;
    etsumvsarea_endc_histos[ring] =
        new TH2F(t.str().c_str(), ";A_{#eta#phi};#Sigma E_{T}", 50, low_a, high_a, 50, low, high);
    t.str("");
 
    t << "esumvsarea_endc_" << ring + 1;
    esumvsarea_endc_histos[ring] =
        new TH2F(t.str().c_str(), ";A_{#eta#phi};#Sigma E", 50, low_a, high_a, 50, low_e, high_e);
    t.str("");
 
    // fill endcap ET sum histos
    etsumMean_endc_[ring] = 0.;
    esumMean_endc_[ring] = 0.;
    for (int ix = 0; ix < kEndcWedgesX; ix++) {
      for (int iy = 0; iy < kEndcWedgesY; iy++) {
        if (e_.endcapRing_[ix][iy] == ring) {
          for (int sign = 0; sign < kSides; sign++) {
            if (e_.goodCell_endc[ix][iy][sign]) {
              float etsum = etsum_endc_[ix][iy][sign];
              float esum = esum_endc_[ix][iy][sign];
              float etsum_uncorr = etsum_endc_uncorr[ix][iy][sign];
              etsum_endc_histos[ring]->Fill(etsum);
              etsum_endc_uncorr_histos[ring]->Fill(etsum_uncorr);
              esum_endc_histos[ring]->Fill(esum);
 
              float area = e_.cellArea_[ix][iy];
              etsumvsarea_endc_histos[ring]->Fill(area, etsum);
              esumvsarea_endc_histos[ring]->Fill(area, esum);
 
              etsumMean_endc_[ring] += etsum;
              esumMean_endc_[ring] += esum;
            }
          }
        }
      }
    }
 
    etsum_endc_histos[ring]->Write();
    etsum_endc_uncorr_histos[ring]->Write();
    esum_endc_histos[ring]->Write();
    etsumMean_endc_[ring] /= (float(e_.nRing_[ring] * 2 - e_.nBads_endc[ring]));
    esumMean_endc_[ring] /= (float(e_.nRing_[ring] * 2 - e_.nBads_endc[ring]));
    etsumvsarea_endc_histos[ring]->Write();
    esumvsarea_endc_histos[ring]->Write();
 
    delete etsum_endc_histos[ring];
    delete etsum_endc_uncorr_histos[ring];
    delete esum_endc_histos[ring];
    delete etsumvsarea_endc_histos[ring];
    delete esumvsarea_endc_histos[ring];
  }  //ring
 
  // Maps of etsum in EB and EE
  TH2F barreletamap("barreletamap", "barreletamap", 171, -85, 86, 100, 0, 2);
  TH2F barrelmap("barrelmap", "barrelmap - #frac{#Sigma E_{T}}{<#Sigma E_{T}>_{0}}", 360, 1, 360, 171, -85, 86);
  TH2F barrelmap_e("barrelmape", "barrelmape - #frac{#Sigma E}{<#Sigma E>_{0}}", 360, 1, 360, 171, -85, 86);
  TH2F barrelmap_divided("barrelmapdiv", "barrelmapdivided - #frac{#Sigma E_{T}}{hits}", 360, 1, 360, 171, -85, 86);
  TH2F barrelmap_e_divided("barrelmapediv", "barrelmapedivided - #frac{#Sigma E}{hits}", 360, 1, 360, 171, -85, 86);
  TH2F endcmap_plus_corr(
      "endcapmapplus_corrected", "endcapmapplus - #frac{#Sigma E_{T}}{<#Sigma E_{T}>_{38}}", 100, 1, 101, 100, 1, 101);
  TH2F endcmap_minus_corr(
      "endcapmapminus_corrected", "endcapmapminus - #frac{#Sigma E_{T}}{<#Sigma E_{T}>_{38}}", 100, 1, 101, 100, 1, 101);
  TH2F endcmap_plus_uncorr("endcapmapplus_uncorrected",
                           "endcapmapplus_uncor - #frac{#Sigma E_{T}}{<#Sigma E_{T}>_{38}}",
                           100,
                           1,
                           101,
                           100,
                           1,
                           101);
  TH2F endcmap_minus_uncorr("endcapmapminus_uncorrected",
                            "endcapmapminus_uncor - #frac{#Sigma E_{T}}{<#Sigma E_{T}>_{38}}",
                            100,
                            1,
                            101,
                            100,
                            1,
                            101);
  TH2F endcmap_e_plus("endcapmapeplus", "endcapmapeplus - #frac{#Sigma E}{<#Sigma E>_{38}}", 100, 1, 101, 100, 1, 101);
  TH2F endcmap_e_minus(
      "endcapmapeminus", "endcapmapeminus - #frac{#Sigma E}{<#Sigma E>_{38}}", 100, 1, 101, 100, 1, 101);
 
  for (int sign = 0; sign < kSides; sign++) {
    int thesign = sign == 1 ? 1 : -1;
 
    for (int ieta = 0; ieta < kBarlRings; ieta++) {
      for (int iphi = 0; iphi < kBarlWedges; iphi++) {
        if (e_.goodCell_barl[ieta][iphi][sign]) {
          barrelmap.Fill(iphi + 1, ieta * thesign + thesign, etsum_barl_[ieta][iphi][sign] / etsumMean_barl_[0]);
          barrelmap_e.Fill(iphi + 1, ieta * thesign + thesign, esum_barl_[ieta][iphi][sign] / esumMean_barl_[0]);  //VS
          if (!nhits_barl_[ieta][iphi][sign])
            nhits_barl_[ieta][iphi][sign] = 1;
          barrelmap_divided.Fill(
              iphi + 1, ieta * thesign + thesign, etsum_barl_[ieta][iphi][sign] / nhits_barl_[ieta][iphi][sign]);
          barrelmap_e_divided.Fill(
              iphi + 1, ieta * thesign + thesign, esum_barl_[ieta][iphi][sign] / nhits_barl_[ieta][iphi][sign]);  //VS
          //int mod20= (iphi+1)%20;
          //if (mod20==0 || mod20==1 ||mod20==2) continue;  // exclude SM boundaries
          barreletamap.Fill(ieta * thesign + thesign, etsum_barl_[ieta][iphi][sign] / etsumMean_barl_[0]);
        }  //if
      }    //iphi
    }      //ieta
 
    for (int ix = 0; ix < kEndcWedgesX; ix++) {
      for (int iy = 0; iy < kEndcWedgesY; iy++) {
        if (sign == 1) {
          endcmap_plus_corr.Fill(ix + 1, iy + 1, etsum_endc_[ix][iy][sign] / etsumMean_endc_[38]);
          endcmap_plus_uncorr.Fill(ix + 1, iy + 1, etsum_endc_uncorr[ix][iy][sign] / etsumMean_endc_[38]);
          endcmap_e_plus.Fill(ix + 1, iy + 1, esum_endc_[ix][iy][sign] / esumMean_endc_[38]);
        } else {
          endcmap_minus_corr.Fill(ix + 1, iy + 1, etsum_endc_[ix][iy][sign] / etsumMean_endc_[38]);
          endcmap_minus_uncorr.Fill(ix + 1, iy + 1, etsum_endc_uncorr[ix][iy][sign] / etsumMean_endc_[38]);
          endcmap_e_minus.Fill(ix + 1, iy + 1, esum_endc_[ix][iy][sign] / esumMean_endc_[38]);
        }
      }  //iy
    }    //ix
 
  }  //sign
 
  barreletamap.Write();
  barrelmap_divided.Write();
  barrelmap.Write();
  barrelmap_e_divided.Write();
  barrelmap_e.Write();
  endcmap_plus_corr.Write();
  endcmap_minus_corr.Write();
  endcmap_plus_uncorr.Write();
  endcmap_minus_uncorr.Write();
  endcmap_e_plus.Write();
  endcmap_e_minus.Write();
 
  vector<TH1F*> etavsphi_endc(kEndcEtaRings);
  vector<TH1F*> areavsphi_endc(kEndcEtaRings);
  vector<TH1F*> etsumvsphi_endcp_corr(kEndcEtaRings);
  vector<TH1F*> etsumvsphi_endcm_corr(kEndcEtaRings);
  vector<TH1F*> etsumvsphi_endcp_uncorr(kEndcEtaRings);
  vector<TH1F*> etsumvsphi_endcm_uncorr(kEndcEtaRings);
  vector<TH1F*> esumvsphi_endcp(kEndcEtaRings);
  vector<TH1F*> esumvsphi_endcm(kEndcEtaRings);
 
  std::vector<TH1F*> deltaeta_histos(kEndcEtaRings);
  std::vector<TH1F*> deltaphi_histos(kEndcEtaRings);
 
  for (int ring = 0; ring < kEndcEtaRings; ++ring) {
    ostringstream t;
    t << "etavsphi_endc_" << ring;
    etavsphi_endc[ring] = new TH1F(t.str().c_str(), t.str().c_str(), e_.nRing_[ring], 0, e_.nRing_[ring]);
    t.str("");
 
    t << "areavsphi_endc_" << ring;
    areavsphi_endc[ring] = new TH1F(t.str().c_str(), t.str().c_str(), e_.nRing_[ring], 0, e_.nRing_[ring]);
    t.str("");
 
    t << "etsumvsphi_endcp_corr_" << ring;
    etsumvsphi_endcp_corr[ring] = new TH1F(t.str().c_str(), t.str().c_str(), e_.nRing_[ring], 0, e_.nRing_[ring]);
    t.str("");
 
    t << "etsumvsphi_endcm_corr_" << ring;
    etsumvsphi_endcm_corr[ring] = new TH1F(t.str().c_str(), t.str().c_str(), e_.nRing_[ring], 0, e_.nRing_[ring]);
    t.str("");
 
    t << "etsumvsphi_endcp_uncorr_" << ring;
    etsumvsphi_endcp_uncorr[ring] = new TH1F(t.str().c_str(), t.str().c_str(), e_.nRing_[ring], 0, e_.nRing_[ring]);
    t.str("");
 
    t << "etsumvsphi_endcm_uncorr_" << ring;
    etsumvsphi_endcm_uncorr[ring] = new TH1F(t.str().c_str(), t.str().c_str(), e_.nRing_[ring], 0, e_.nRing_[ring]);
    t.str("");
 
    t << "esumvsphi_endcp_" << ring;
    esumvsphi_endcp[ring] = new TH1F(t.str().c_str(), t.str().c_str(), e_.nRing_[ring], 0, e_.nRing_[ring]);
    t.str("");
 
    t << "esumvsphi_endcm_" << ring;
    esumvsphi_endcm[ring] = new TH1F(t.str().c_str(), t.str().c_str(), e_.nRing_[ring], 0, e_.nRing_[ring]);
    t.str("");
 
    t << "deltaeta_" << ring;
    deltaeta_histos[ring] = new TH1F(t.str().c_str(), "", 50, -.1, .1);
    t.str("");
    t << "deltaphi_" << ring;
    deltaphi_histos[ring] = new TH1F(t.str().c_str(), "", 50, -.1, .1);
    t.str("");
  }
 
  for (int ix = 0; ix < kEndcWedgesX; ix++) {
    for (int iy = 0; iy < kEndcWedgesY; iy++) {
      int ring = e_.endcapRing_[ix][iy];
      if (ring != -1) {
        int iphi_endc = -1;
        for (int ip = 0; ip < e_.nRing_[ring]; ip++) {
          if (e_.cellPhi_[ix][iy] == e_.phi_endc_[ip][ring])
            iphi_endc = ip;
        }
 
        if (iphi_endc != -1) {
          for (int sign = 0; sign < kSides; sign++) {
            if (e_.goodCell_endc[ix][iy][sign]) {
              if (sign == 1) {
                etsumvsphi_endcp_corr[ring]->Fill(iphi_endc, etsum_endc_[ix][iy][sign]);
                etsumvsphi_endcp_uncorr[ring]->Fill(iphi_endc, etsum_endc_uncorr[ix][iy][sign]);
                esumvsphi_endcp[ring]->Fill(iphi_endc, esum_endc_[ix][iy][sign]);
              } else {
                etsumvsphi_endcm_corr[ring]->Fill(iphi_endc, etsum_endc_[ix][iy][sign]);
                etsumvsphi_endcm_uncorr[ring]->Fill(iphi_endc, etsum_endc_uncorr[ix][iy][sign]);
                esumvsphi_endcm[ring]->Fill(iphi_endc, esum_endc_[ix][iy][sign]);
              }
            }  //if
          }    //sign
          etavsphi_endc[ring]->Fill(iphi_endc, e_.cellPos_[ix][iy].eta());
          areavsphi_endc[ring]->Fill(iphi_endc, e_.cellArea_[ix][iy]);
        }  //if iphi_endc
 
      }  //if ring
    }    //iy
  }      //ix
 
  for (int ring = 0; ring < kEndcEtaRings; ++ring) {
    etavsphi_endc[ring]->Write();
    areavsphi_endc[ring]->Write();
    etsumvsphi_endcp_corr[ring]->Write();
    etsumvsphi_endcm_corr[ring]->Write();
    etsumvsphi_endcp_uncorr[ring]->Write();
    etsumvsphi_endcm_uncorr[ring]->Write();
    esumvsphi_endcp[ring]->Write();
    esumvsphi_endcm[ring]->Write();
    deltaeta_histos[ring]->Write();
    deltaphi_histos[ring]->Write();
 
    delete etsumvsphi_endcp_corr[ring];
    delete etsumvsphi_endcm_corr[ring];
    delete etsumvsphi_endcp_uncorr[ring];
    delete etsumvsphi_endcm_uncorr[ring];
    delete etavsphi_endc[ring];
    delete areavsphi_endc[ring];
    delete esumvsphi_endcp[ring];
    delete esumvsphi_endcm[ring];
    delete deltaeta_histos[ring];
    delete deltaphi_histos[ring];
  }
 
  f.Close();
}
 
void PhiSymmetryCalibration_step2::readEtSums() {
  //read in ET sums
 
  int ieta, iphi, sign, ix, iy, dummy;
  double etsum;
  unsigned int nhits;
  std::ifstream etsum_barl_in("etsum_barl.dat", ios::in);
  while (etsum_barl_in >> dummy >> ieta >> iphi >> sign >> etsum >> nhits) {
    etsum_barl_[ieta][iphi][sign] += etsum;
    nhits_barl_[ieta][iphi][sign] += nhits;
  }
 
  std::ifstream etsum_endc_in("etsum_endc.dat", ios::in);
  while (etsum_endc_in >> dummy >> ix >> iy >> sign >> etsum >> nhits >> dummy) {
    etsum_endc_[ix][iy][sign] += etsum;
    nhits_endc_[ix][iy][sign] += nhits;
  }
 
  std::ifstream k_barl_in("k_barl.dat", ios::in);
  for (int ieta = 0; ieta < kBarlRings; ieta++) {
    k_barl_in >> dummy >> k_barl_[ieta];
  }
 
  std::ifstream k_endc_in("k_endc.dat", ios::in);
  for (int ring = 0; ring < kEndcEtaRings; ring++) {
    k_endc_in >> dummy >> k_endc_[ring];
  }
}
 
void PhiSymmetryCalibration_step2::setupResidHistos() {
  miscal_resid_barl_histos.resize(kBarlRings);
  correl_barl_histos.resize(kBarlRings);
 
  for (int ieta = 0; ieta < kBarlRings; ieta++) {
    ostringstream t1;
    t1 << "mr_barl_" << ieta + 1;
    miscal_resid_barl_histos[ieta] = new TH1F(t1.str().c_str(), "", 100, 0., 2.);
    ostringstream t2;
    t2 << "co_barl_" << ieta + 1;
    correl_barl_histos[ieta] = new TH2F(t2.str().c_str(), "", 50, .5, 1.5, 50, .5, 1.5);
  }
 
  miscal_resid_endc_histos.resize(kEndcEtaRings);
  correl_endc_histos.resize(kEndcEtaRings);
 
  for (int ring = 0; ring < kEndcEtaRings; ring++) {
    ostringstream t1;
    t1 << "mr_endc_" << ring + 1;
    miscal_resid_endc_histos[ring] = new TH1F(t1.str().c_str(), "", 100, 0., 2.);
    ostringstream t2;
    t2 << "co_endc_" << ring + 1;
    correl_endc_histos[ring] = new TH2F(t2.str().c_str(), "", 50, .5, 1.5, 50, .5, 1.5);
  }
}
 
void PhiSymmetryCalibration_step2::outResidHistos() {
  // output histograms of residual miscalibrations
  TFile f("PhiSymmetryCalibration_miscal_resid.root", "recreate");
  for (int ieta = 0; ieta < 85; ieta++) {
    miscal_resid_barl_histos[ieta]->Write();
    correl_barl_histos[ieta]->Write();
 
    delete miscal_resid_barl_histos[ieta];
    delete correl_barl_histos[ieta];
  }
 
  for (int ring = 0; ring < 39; ring++) {
    miscal_resid_endc_histos[ring]->Write();
    correl_endc_histos[ring]->Write();
 
    delete miscal_resid_endc_histos[ring];
    delete correl_endc_histos[ring];
  }
  f.Close();
}