SiPixelGainCalibrationAnalysis.cc

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// -*- C++ -*-
//
// Package:    SiPixelGainCalibrationAnalysis
// Class:      SiPixelGainCalibrationAnalysis
//
//
// Original Author:  Freya Blekman
//         Created:  Wed Nov 14 15:02:06 CET 2007
//
//

// user include files
#include "SiPixelGainCalibrationAnalysis.h"
#include <sstream>
#include <vector>
#include <cmath>
#include "TGraphErrors.h"
#include "TMath.h"

using std::cout;
using std::endl;
//
// constructors and destructor
//
SiPixelGainCalibrationAnalysis::SiPixelGainCalibrationAnalysis(const edm::ParameterSet &iConfig)
    : SiPixelOfflineCalibAnalysisBase(iConfig),
      conf_(iConfig),
      bookkeeper_(),
      bookkeeper_pixels_(),
      nfitparameters_(iConfig.getUntrackedParameter<int>("numberOfFitParameters", 2)),
      fitfunction_(iConfig.getUntrackedParameter<std::string>("fitFunctionRootFormula", "pol1")),
      listofdetids_(conf_.getUntrackedParameter<std::vector<uint32_t> >("listOfDetIDs")),
      ignoreMode_(conf_.getUntrackedParameter<bool>("ignoreMode", false)),
      reject_plateaupoints_(iConfig.getUntrackedParameter<bool>("suppressPlateauInFit", true)),
      reject_single_entries_(iConfig.getUntrackedParameter<bool>("suppressPointsWithOneEntryOrLess", true)),
      plateau_max_slope_(iConfig.getUntrackedParameter<double>("plateauSlopeMax", 1.0)),
      reject_first_point_(iConfig.getUntrackedParameter<bool>("rejectVCalZero", true)),
      reject_badpoints_frac_(iConfig.getUntrackedParameter<double>("suppressZeroAndPlateausInFitFrac", 0)),
      bookBIGCalibPayload_(iConfig.getUntrackedParameter<bool>("saveFullPayloads", false)),
      savePixelHists_(iConfig.getUntrackedParameter<bool>("savePixelLevelHists", false)),
      chi2Threshold_(iConfig.getUntrackedParameter<double>("minChi2NDFforHistSave", 10)),
      chi2ProbThreshold_(iConfig.getUntrackedParameter<double>("minChi2ProbforHistSave", 0.05)),
      maxGainInHist_(iConfig.getUntrackedParameter<double>("maxGainInHist", 10)),
      maxChi2InHist_(iConfig.getUntrackedParameter<double>("maxChi2InHist", 25)),
      saveALLHistograms_(iConfig.getUntrackedParameter<bool>("saveAllHistograms", false)),

      filldb_(iConfig.getUntrackedParameter<bool>("writeDatabase", false)),
      writeSummary_(iConfig.getUntrackedParameter<bool>("writeSummary", true)),
      recordName_(conf_.getParameter<std::string>("record")),

      appendMode_(conf_.getUntrackedParameter<bool>("appendMode", true)),
      /*theGainCalibrationDbInput_(0),
  theGainCalibrationDbInputOffline_(0),
  theGainCalibrationDbInputHLT_(0),
  theGainCalibrationDbInputService_(iConfig),*/
      gainlow_(10.),
      gainhi_(0.),
      pedlow_(255.),
      pedhi_(0.),
      useVcalHigh_(conf_.getParameter<bool>("useVCALHIGH")),
      scalarVcalHigh_VcalLow_(conf_.getParameter<double>("vcalHighToLowConversionFac")) {
  if (reject_single_entries_)
    min_nentries_ = 1;
  else
    min_nentries_ = 0;
  ::putenv((char *)"CORAL_AUTH_USER=me");
  ::putenv((char *)"CORAL_AUTH_PASSWORD=test");
  edm::LogInfo("SiPixelGainCalibrationAnalysis") << "now using fit function " << fitfunction_ << ", which has "
                                                 << nfitparameters_ << " free parameters. " << std::endl;
  func_ = new TF1("func", fitfunction_.c_str(), 0, 256 * scalarVcalHigh_VcalLow_);
  graph_ = new TGraphErrors();
  currentDetID_ = 0;
  summary_.open("SummaryPerDetID.txt");
  statusNumbers_ = new int[10];
  for (int ii = 0; ii < 10; ii++)
    statusNumbers_[ii] = 0;
}

SiPixelGainCalibrationAnalysis::~SiPixelGainCalibrationAnalysis() {}
// member functions
//
// ------------ method called once each job just before starting event loop  ------------

std::vector<float> SiPixelGainCalibrationAnalysis::CalculateAveragePerColumn(uint32_t detid, std::string label) {
  std::vector<float> result;
  int ncols = bookkeeper_[detid][label]->getNbinsX();
  int nrows = bookkeeper_[detid][label]->getNbinsY();
  for (int icol = 1; icol <= ncols; ++icol) {
    float val = 0;
    float ntimes = 0;
    for (int irow = 1; irow <= nrows; ++irow) {
      val += bookkeeper_[detid][label]->getBinContent(icol, irow);
      ntimes++;
    }
    val /= ntimes;
    result.push_back(val);
  }
  return result;
}

bool SiPixelGainCalibrationAnalysis::checkCorrectCalibrationType() {
  if (calibrationMode_ == "GainCalibration")
    return true;
  else if (ignoreMode_ == true)
    return true;
  else if (calibrationMode_ == "unknown") {
    edm::LogInfo("SiPixelGainCalibrationAnalysis")
        << "calibration mode is: " << calibrationMode_ << ", continuing anyway...";
    return true;
  } else {
    //    edm::LogError("SiPixelGainCalibrationAnalysis") << "unknown calibration mode for Gain calibration, should be \"Gain\" and is \"" << calibrationMode_ << "\"";
  }
  return false;
}

void SiPixelGainCalibrationAnalysis::calibrationSetup(const edm::EventSetup &) {}
//------- summary printing method. Very verbose.
void SiPixelGainCalibrationAnalysis::printSummary() {
  uint32_t detid = 0;
  for (std::map<uint32_t, std::map<std::string, MonitorElement *> >::const_iterator idet = bookkeeper_.begin();
       idet != bookkeeper_.end();
       ++idet) {
    if (detid == idet->first)
      continue;  // only do things once per detid
    detid = idet->first;
    std::vector<float> gainvec = CalculateAveragePerColumn(detid, "gain_2d");
    std::vector<float> pedvec = CalculateAveragePerColumn(detid, "ped_2d");
    std::vector<float> chi2vec = CalculateAveragePerColumn(detid, "chi2_2d");
    std::ostringstream summarytext;

    summarytext << "Summary for det ID " << detid << "(" << translateDetIdToString(detid) << ")\n";
    summarytext << "\t Following: values per column: column #, gain, pedestal, chi2\n";
    for (uint32_t i = 0; i < gainvec.size(); i++)
      summarytext << "\t " << i << " \t" << gainvec[i] << " \t" << pedvec[i] << " \t" << chi2vec[i] << "\n";
    summarytext << "\t list of pixels with high chi2 (chi2> " << chi2Threshold_ << "): \n";

    for (std::map<std::string, MonitorElement *>::const_iterator ipix = bookkeeper_pixels_[detid].begin();
         ipix != bookkeeper_pixels_[detid].end();
         ++ipix)
      summarytext << "\t " << ipix->first << "\n";
    edm::LogInfo("SiPixelGainCalibrationAnalysis") << summarytext.str() << std::endl;
  }
  if (summary_.is_open()) {
    summary_.close();
    summary_.open("Summary.txt");
    summary_ << "Total Number of Pixel computed :" << statusNumbers_[9] << endl;
    summary_ << "Number of pixel tagged with status :" << endl;
    for (int ii = 0; ii < 9; ii++)
      summary_ << ii << " -> " << statusNumbers_[ii] << " ~ "
               << double(statusNumbers_[ii]) / double(statusNumbers_[9]) * 100. << " %" << endl;

    summary_.close();
  }
}

// ------------ method called once each job just after ending the event loop  ------------

void SiPixelGainCalibrationAnalysis::calibrationEnd() {
  if (writeSummary_)
    printSummary();

  // this is where we loop over all histograms and save the database objects
  if (filldb_)
    fillDatabase();
}
//-----------method to fill the database
void SiPixelGainCalibrationAnalysis::fillDatabase() {
  // only create when necessary.
  // process the minimum and maximum gain & ped values...
  edm::LogError("SiPixelGainCalibration::fillDatabase()")
      << "PLEASE do not fill the database directly from the gain calibration analyzer. This function is currently "
         "disabled and no DB payloads will be produced!"
      << std::endl;
}
// ------------ method called to do fits to all objects available  ------------
bool SiPixelGainCalibrationAnalysis::doFits(uint32_t detid, std::vector<SiPixelCalibDigi>::const_iterator ipix) {
  float lowmeanval = 255;
  float highmeanval = 0;
  bool makehistopersistent = saveALLHistograms_;
  std::vector<uint32_t>::const_iterator detidfinder = find(listofdetids_.begin(), listofdetids_.end(), detid);
  if (detidfinder != listofdetids_.end())
    makehistopersistent = true;
  // first, fill the input arrays to the TLinearFitter.
  double xvals[257];
  double yvals[256];
  double yerrvals[256];
  double xvalsall[257];
  double yvalsall[256];
  double yerrvalsall[256];
  int npoints = 0;
  int nallpoints = 0;
  bool use_point = true;
  int status = 0;
  statusNumbers_[9]++;

  bookkeeper_[detid]["status_2d"]->setBinContent(ipix->col() + 1, ipix->row() + 1, 0);
  if (writeSummary_ && detid != currentDetID_) {
    currentDetID_ = detid;
    summary_ << endl << "DetId_" << currentDetID_ << endl;
  }

  for (uint32_t ii = 0; ii < ipix->getnpoints() && ii < 200; ii++) {
    //    std::cout << ipix->getsum(ii) << " " << ipix->getnentries(ii) << " " << ipix->getsumsquares(ii) << std::endl;
    nallpoints++;
    use_point = true;
    if (useVcalHigh_) {
      xvalsall[ii] = vCalValues_[ii] * scalarVcalHigh_VcalLow_;
    } else
      xvalsall[ii] = vCalValues_[ii];
    yerrvalsall[ii] = yvalsall[ii] = 0;

    if (ipix->getnentries(ii) > min_nentries_) {
      yvalsall[ii] = ipix->getsum(ii) / (float)ipix->getnentries(ii);
      yerrvalsall[ii] = ipix->getsumsquares(ii) / (float)(ipix->getnentries(ii));
      yerrvalsall[ii] -= pow(yvalsall[ii], 2);
      yerrvalsall[ii] = sqrt(yerrvalsall[ii]) / sqrt(ipix->getnentries(ii));

      if (yvalsall[ii] < lowmeanval)
        lowmeanval = yvalsall[ii];
      if (yvalsall[ii] > highmeanval)
        highmeanval = yvalsall[ii];
    }
  }

  // calculate plateau value from last 4 entries
  double plateauval = 0;
  bool noPlateau = false;
  if (nallpoints >= 4) {
    for (int ii = nallpoints - 1; ii > nallpoints - 5; --ii)
      plateauval += yvalsall[ii];
    plateauval /= 4;
    for (int ii = nallpoints - 1; ii > nallpoints - 5; --ii) {
      if (fabs(yvalsall[ii] - plateauval) > 5) {
        plateauval = 255;
        noPlateau = true;
        continue;
      }
    }

    int NbofPointsInPlateau = 0;
    for (int ii = 0; ii < nallpoints; ++ii)
      if (fabs(yvalsall[ii] - plateauval) < 10 || yvalsall[ii] == 0)
        NbofPointsInPlateau++;
    //summary_<<"row_"<<ipix->row()<<" col_"<<ipix->col()<<"   "<<plateauval<<"  "<<NbofPointsInPlateau<<"  "<<nallpoints<<endl;
    if (NbofPointsInPlateau >= (nallpoints - 2)) {
      status = -2;
      bookkeeper_[detid]["status_2d"]->setBinContent(ipix->col() + 1, ipix->row() + 1, status);
      if (writeSummary_) {
        summary_ << "row_" << ipix->row() << " col_" << ipix->col() << " status_" << status << endl;
        statusNumbers_[abs(status)]++;
      }
      return false;
    }
  } else
    plateauval = 255;

  double maxgoodvalinfit = plateauval * (1. - reject_badpoints_frac_);
  npoints = 0;
  for (int ii = 0; ii < nallpoints; ++ii) {
    // now selecting the appropriate points for the fit.
    use_point = true;
    if (reject_first_point_ && xvalsall[ii] < 0.1)
      use_point = false;
    if (ipix->getnentries(ii) <= min_nentries_ && reject_single_entries_)
      use_point = false;
    if (ipix->getnentries(ii) == 0 && reject_badpoints_)
      use_point = false;
    if (yvalsall[ii] > maxgoodvalinfit && !noPlateau)
      use_point = false;
    if (ii > 1 && fabs(yvalsall[ii] - yvalsall[ii - 1]) < 5. && yvalsall[ii] > 0.8 * maxgoodvalinfit &&
        reject_plateaupoints_) {
      use_point = false;
      break;
    }

    if (use_point) {
      xvals[npoints] = xvalsall[ii];
      yvals[npoints] = yvalsall[ii];
      yerrvals[npoints] = yerrvalsall[ii];
      npoints++;
    }
  }

  float chi2, slope, intercept, prob, slopeerror, intercepterror;
  prob = chi2 = -1;
  slope = intercept = slopeerror = intercepterror = 0;

  // now check on number of points. If bad just start taking the first 4:

  if (npoints < 4) {
    npoints = 0;
    for (int ii = 0; ii < nallpoints && npoints < 4 && yvalsall[ii] < plateauval * 0.97; ++ii) {
      if (yvalsall[ii] > 0) {
        if (ii > 0 && yvalsall[ii] - yvalsall[ii - 1] < 0.1)
          continue;
        xvals[npoints] = xvalsall[ii];
        yvals[npoints] = yvalsall[ii];
        yerrvals[npoints] = yerrvalsall[ii];
        npoints++;
      }
    }
  }
  if (npoints < 2) {
    status = -7;
    bookkeeper_[detid]["status_2d"]->setBinContent(ipix->col() + 1, ipix->row() + 1, status);
    if (writeSummary_) {
      summary_ << "row_" << ipix->row() << " col_" << ipix->col() << " status_" << status << endl;
      statusNumbers_[abs(status)]++;
    }
    std::ostringstream pixelinfo;
    pixelinfo << "GainCurve_row_" << ipix->row() << "_col_" << ipix->col();
    std::string tempname = translateDetIdToString(detid);
    tempname += "_";
    tempname += pixelinfo.str();
    setDQMDirectory(detid);
    bookkeeper_pixels_[detid][pixelinfo.str()] = bookDQMHistogram1D(
        detid, pixelinfo.str(), tempname, 105 * nallpoints, xvalsall[0], xvalsall[nallpoints - 1] * 1.05);
    for (int ii = 0; ii < nallpoints; ++ii)
      bookkeeper_pixels_[detid][pixelinfo.str()]->Fill(xvalsall[ii], yvalsall[ii]);
    return false;
  }

  //  std::cout << "starting fit!" << std::endl;
  graph_->Set(npoints);

  func_->SetParameter(0, 50.);
  func_->SetParameter(1, 0.25);
  for (int ipointtemp = 0; ipointtemp < npoints; ++ipointtemp) {
    graph_->SetPoint(ipointtemp, xvals[ipointtemp], yvals[ipointtemp]);
    graph_->SetPointError(ipointtemp, 0, yerrvals[ipointtemp]);
  }
  Int_t tempresult = graph_->Fit(func_, "FQ0N");
  slope = func_->GetParameter(1);
  slopeerror = func_->GetParError(1);
  intercept = func_->GetParameter(0);
  intercepterror = func_->GetParError(0);
  chi2 = func_->GetChisquare() / ((float)npoints - func_->GetNpar());
  prob = TMath::Prob(func_->GetChisquare(), npoints - func_->GetNpar());
  size_t ntimes = 0;
  while ((isnan(slope) || isnan(intercept)) && ntimes < 10) {
    ntimes++;
    makehistopersistent = true;
    //    std::cout << slope << " " << intercept << " " << prob << std::endl;
    edm::LogWarning("SiPixelGainCalibrationAnalysis") << "impossible to fit values, try " << ntimes << ": ";
    for (int ii = 0; ii < npoints; ++ii) {
      edm::LogWarning("SiPixelGainCalibrationAnalysis")
          << "vcal " << xvals[ii] << " response: " << yvals[ii] << "+/-" << yerrvals[ii] << std::endl;
    }
    tempresult = graph_->Fit(func_, "FQ0NW");
    slope = func_->GetParameter(1);
    slopeerror = func_->GetParError(1);
    intercept = func_->GetParameter(0);
    intercepterror = func_->GetParError(0);
    chi2 = func_->GetChisquare() / ((float)npoints - func_->GetNpar());
    prob = TMath::Prob(func_->GetChisquare(), npoints - func_->GetNpar());
  }

  if (tempresult == 0)
    status = 1;
  else
    status = 0;
  if (slope != 0)
    slope = 1. / slope;
  if (isnan(slope) || isnan(intercept)) {
    status = -6;
    bookkeeper_[detid]["status_2d"]->setBinContent(ipix->col() + 1, ipix->row() + 1, status);
    if (writeSummary_) {
      summary_ << "row_" << ipix->row() << " col_" << ipix->col() << " status_" << status << endl;
      statusNumbers_[abs(status)]++;
    }
    //return false;
  }
  if (chi2 > chi2Threshold_ && chi2Threshold_ >= 0)
    status = 5;
  if (prob < chi2ProbThreshold_)
    status = 5;
  if (noPlateau)
    status = 3;
  if (nallpoints < 4)
    status = -7;
  if (TMath::Abs(slope > maxGainInHist_) || slope < 0)
    status = -8;
  if (status != 1)
    makehistopersistent = true;
  statusNumbers_[abs(status)]++;

  if (slope < gainlow_)
    gainlow_ = slope;
  if (slope > gainhi_)
    gainhi_ = slope;
  if (intercept > pedhi_)
    pedhi_ = intercept;
  if (intercept < pedlow_)
    pedlow_ = intercept;
  bookkeeper_[detid]["gain_1d"]->Fill(slope);
  if (slope > maxGainInHist_) {
    makehistopersistent = true;
    edm::LogWarning("SiPixelGainCalibration")
        << "For DETID " << detid << "pixel row,col " << ipix->row() << "," << ipix->col() << " Gain was measured to be "
        << slope << " which is outside the range of the summary plot (" << maxGainInHist_ << ") !!!! " << std::endl;
  }
  bookkeeper_[detid]["dynamicrange_2d"]->setBinContent(ipix->col() + 1, ipix->row() + 1, highmeanval - lowmeanval);
  bookkeeper_[detid]["plateau_2d"]->setBinContent(ipix->col() + 1, ipix->row() + 1, highmeanval);
  bookkeeper_[detid]["gain_2d"]->setBinContent(ipix->col() + 1, ipix->row() + 1, slope);
  bookkeeper_[detid]["errorgain_2d"]->setBinContent(ipix->col() + 1, ipix->row() + 1, slopeerror);
  bookkeeper_[detid]["ped_1d"]->Fill(intercept);
  bookkeeper_[detid]["ped_2d"]->setBinContent(ipix->col() + 1, ipix->row() + 1, intercept);
  bookkeeper_[detid]["errorped_2d"]->setBinContent(ipix->col() + 1, ipix->row() + 1, intercepterror);
  bookkeeper_[detid]["chi2_1d"]->Fill(chi2);
  bookkeeper_[detid]["chi2_2d"]->setBinContent(ipix->col() + 1, ipix->row() + 1, chi2);
  bookkeeper_[detid]["prob_1d"]->Fill(prob);
  bookkeeper_[detid]["prob_2d"]->setBinContent(ipix->col() + 1, ipix->row() + 1, prob);
  bookkeeper_[detid]["lowpoint_1d"]->Fill(xvals[0]);
  bookkeeper_[detid]["lowpoint_2d"]->setBinContent(ipix->col() + 1, ipix->row() + 1, xvals[0]);
  bookkeeper_[detid]["highpoint_1d"]->Fill(xvals[npoints - 1]);
  bookkeeper_[detid]["highpoint_2d"]->setBinContent(ipix->col() + 1, ipix->row() + 1, xvals[npoints - 1]);
  bookkeeper_[detid]["nfitpoints_1d"]->Fill(npoints);
  bookkeeper_[detid]["endpoint_1d"]->Fill((255 - intercept) * slope);
  bookkeeper_[detid]["status_2d"]->setBinContent(ipix->col() + 1, ipix->row() + 1, status);

  if (!savePixelHists_)
    return true;
  if (detidfinder == listofdetids_.end() && !listofdetids_.empty())
    return true;
  if (makehistopersistent) {
    std::ostringstream pixelinfo;
    pixelinfo << "GainCurve_row_" << ipix->row() << "_col_" << ipix->col();
    std::string tempname = translateDetIdToString(detid);
    tempname += "_";
    tempname += pixelinfo.str();

    // and book the histo
    // fill the last value of the vcal array...

    setDQMDirectory(detid);
    bookkeeper_pixels_[detid][pixelinfo.str()] = bookDQMHistogram1D(
        detid, pixelinfo.str(), tempname, 105 * nallpoints, xvalsall[0], xvalsall[nallpoints - 1] * 1.05);

    edm::LogInfo("SiPixelGainCalibrationAnalysis")
        << "now saving histogram for pixel " << tempname << ", gain = " << slope << ", pedestal = " << intercept
        << ", chi2/NDF=" << chi2 << "(prob:" << prob << "), fit status " << status;
    for (int ii = 0; ii < nallpoints; ++ii) {
      //      std::cout << xvalsall[ii]<<","<<yvalsall[ii]<< " " << tempfloats[ii] << std::endl;
      bookkeeper_pixels_[detid][pixelinfo.str()]->Fill(xvalsall[ii], yvalsall[ii]);
    }

    //    addTF1ToDQMMonitoringElement(bookkeeper_pixels_[detid][pixelinfo.str()],func_);

    if (writeSummary_) {
      summary_ << "row_" << ipix->row() << " col_" << ipix->col();
      summary_ << " status_" << status;
      summary_ << endl;

      //std::cout<<detid<<"  "<<"row " <<ipix->row()<<" col "<<ipix->col()<<"  "<<status<<"  "<<chi2<<"  "<<prob<<"  "<<npoints<<"  "<<xvals[0]<<"  "<<xvals[npoints-1]<<"  "<<plateauval<<std::endl;
    }
  }
  return true;
}
// ------------ method called to do fill new detids  ------------
void SiPixelGainCalibrationAnalysis::newDetID(uint32_t detid) {
  setDQMDirectory(detid);
  std::string tempname = translateDetIdToString(detid);
  bookkeeper_[detid]["gain_1d"] = bookDQMHistogram1D(detid, "Gain1d", "gain for " + tempname, 100, 0., maxGainInHist_);
  bookkeeper_[detid]["gain_2d"] = bookDQMHistoPlaquetteSummary2D(detid, "Gain2d", "gain for " + tempname);
  bookkeeper_[detid]["errorgain_2d"] =
      bookDQMHistoPlaquetteSummary2D(detid, "ErrorGain2d", "error on gain for " + tempname);
  bookkeeper_[detid]["ped_1d"] = bookDQMHistogram1D(detid, "Pedestal1d", "pedestal for " + tempname, 256, 0., 256.0);
  bookkeeper_[detid]["ped_2d"] = bookDQMHistoPlaquetteSummary2D(detid, "Pedestal2d", "pedestal for " + tempname);
  bookkeeper_[detid]["errorped_2d"] =
      bookDQMHistoPlaquetteSummary2D(detid, "ErrorPedestal2d", "error on pedestal for " + tempname);
  bookkeeper_[detid]["chi2_1d"] =
      bookDQMHistogram1D(detid, "GainChi2NDF1d", "#chi^{2}/NDOF for " + tempname, 100, 0., maxChi2InHist_);
  bookkeeper_[detid]["chi2_2d"] =
      bookDQMHistoPlaquetteSummary2D(detid, "GainChi2NDF2d", "#chi^{2}/NDOF for " + tempname);
  bookkeeper_[detid]["prob_1d"] =
      bookDQMHistogram1D(detid, "GainChi2Prob1d", "P(#chi^{2},NDOF) for " + tempname, 100, 0., 1.0);
  bookkeeper_[detid]["prob_2d"] =
      bookDQMHistoPlaquetteSummary2D(detid, "GainChi2Prob2d", "P(#chi^{2},NDOF) for " + tempname);
  bookkeeper_[detid]["status_2d"] =
      bookDQMHistoPlaquetteSummary2D(detid, "GainFitResult2d", "Fit result for " + tempname);
  bookkeeper_[detid]["endpoint_1d"] = bookDQMHistogram1D(
      detid, "GainEndPoint1d", "point where fit meets ADC=255 for " + tempname, 256, 0., 256. * scalarVcalHigh_VcalLow_);
  bookkeeper_[detid]["lowpoint_1d"] = bookDQMHistogram1D(
      detid, "GainLowPoint1d", "lowest fit point for " + tempname, 256, 0., 256. * scalarVcalHigh_VcalLow_);
  bookkeeper_[detid]["highpoint_1d"] = bookDQMHistogram1D(
      detid, "GainHighPoint1d", "highest fit point for " + tempname, 256, 0., 256. * scalarVcalHigh_VcalLow_);
  bookkeeper_[detid]["nfitpoints_1d"] =
      bookDQMHistogram1D(detid, "GainNPoints1d", "number of fit point for " + tempname, 20, 0., 20);
  bookkeeper_[detid]["dynamicrange_2d"] = bookDQMHistoPlaquetteSummary2D(
      detid, "GainDynamicRange2d", "Difference lowest and highest points on gain curve for " + tempname);
  bookkeeper_[detid]["lowpoint_2d"] =
      bookDQMHistoPlaquetteSummary2D(detid, "GainLowPoint2d", "lowest fit point for " + tempname);
  bookkeeper_[detid]["highpoint_2d"] =
      bookDQMHistoPlaquetteSummary2D(detid, "GainHighPoint2d", "highest fit point for " + tempname);
  bookkeeper_[detid]["plateau_2d"] =
      bookDQMHistoPlaquetteSummary2D(detid, "GainSaturate2d", "Highest points on gain curve for " + tempname);
}
//define this as a plug-in
DEFINE_FWK_MODULE(SiPixelGainCalibrationAnalysis);