Project CMSSW displayed by LXR CMSSW_12_5_X_2022-07-06-2300/​CondCore/​SiStripPlugins/​plugins/​SiStripApvGain_PayloadInspector.cc	Source navigation Diff markup Identifier search General search
	Version: CMSSW_12_5_X_2022-07-06-2300 CMSSW_12_5_X_2022-07-05-2300 CMSSW_12_5_X_2022-07-04-2300 CMSSW_12_5_X_2022-07-03-2300 CMSSW_12_5_X_2022-07-01-2300 CMSSW_12_5_X_2022-06-30-2300 CMSSW_11_2_1 CMSSW_11_1_7 CMSSW_11_0_3 CMSSW_10_6_20 Revert   Change

File indexing completed on 2022-04-12 07:44:04

 /*!
   \file SiStripApvGains_PayloadInspector
   \Payload Inspector Plugin for SiStrip Gain
   \author M. Musich
   \version $Revision: 1.0 $
   \date $Date: 2017/07/02 17:59:56 $
 */
 
 #include "CondCore/Utilities/interface/PayloadInspectorModule.h"
 #include "CondCore/Utilities/interface/PayloadInspector.h"
 #include "CondCore/CondDB/interface/Time.h"
 
 // the data format of the condition to be inspected
 #include "CondFormats/SiStripObjects/interface/SiStripApvGain.h"
 #include "DataFormats/DetId/interface/DetId.h"
 #include "DataFormats/SiStripDetId/interface/StripSubdetector.h"
 #include "CondFormats/SiStripObjects/interface/SiStripDetSummary.h"
 
 // needed for the tracker map
 #include "CommonTools/TrackerMap/interface/TrackerMap.h"
 
 // auxilliary functions
 #include "CondCore/SiStripPlugins/interface/SiStripPayloadInspectorHelper.h"
 #include "CalibTracker/StandaloneTrackerTopology/interface/StandaloneTrackerTopology.h"
 #include "SiStripCondObjectRepresent.h"
 
 #include <memory>
 #include <sstream>
 #include <iostream>
 
 // include ROOT
 #include "TProfile.h"
 #include "TH2F.h"
 #include "THStack.h"
 #include "TLegend.h"
 #include "TCanvas.h"
 #include "TLine.h"
 #include "TStyle.h"
 #include "TLatex.h"
 #include "TPave.h"
 #include "TPaveStats.h"
 
 namespace {
 
   using namespace cond::payloadInspector;
 
   class SiStripApvGainContainer : public SiStripCondObjectRepresent::SiStripDataContainer<SiStripApvGain, float> {
   public:
     SiStripApvGainContainer(const std::shared_ptr<SiStripApvGain>& payload,
                             const SiStripPI::MetaData& metadata,
                             const std::string& tagName)
         : SiStripCondObjectRepresent::SiStripDataContainer<SiStripApvGain, float>(payload, metadata, tagName) {
       payloadType_ = "SiStripApvGain";
       setGranularity(SiStripCondObjectRepresent::PERAPV);
     }
 
     void storeAllValues() override {
       std::vector<uint32_t> detid;
       payload_->getDetIds(detid);
 
       for (const auto& d : detid) {
         SiStripApvGain::Range range = payload_->getRange(d);
         for (int it = 0; it < range.second - range.first; it++) {
           // to be used to fill the histogram
           SiStripCondData_.fillByPushBack(d, payload_->getApvGain(it, range));
         }
       }
     }
   };
 
   /************************************************
     testing the machinery
   ************************************************/
   class SiStripApvGainTest : public Histogram1D<SiStripApvGain, SINGLE_IOV> {
   public:
     SiStripApvGainTest()
         : Histogram1D<SiStripApvGain, SINGLE_IOV>("SiStrip ApvGain values", "SiStrip ApvGain values", 1, 0.0, 1.) {}
 
     bool fill() override {
       auto tag = PlotBase::getTag<0>();
       auto tagname = tag.name;
       for (auto const& iov : tag.iovs) {
         std::shared_ptr<SiStripApvGain> payload = Base::fetchPayload(std::get<1>(iov));
         if (payload.get()) {
           SiStripApvGainContainer* objContainer = new SiStripApvGainContainer(payload, iov, tagname);
           objContainer->printAll();
 
         }  // payload
       }    // iovs
       return true;
     }  // fill
   };
 
   class SiStripApvGainByPartition : public PlotImage<SiStripApvGain, SINGLE_IOV> {
   public:
     SiStripApvGainByPartition() : PlotImage<SiStripApvGain, SINGLE_IOV>("SiStrip ApvGains By Partition") {}
 
     bool fill() override {
       auto tag = PlotBase::getTag<0>();
       auto iov = tag.iovs.front();
       auto tagname = tag.name;
       std::shared_ptr<SiStripApvGain> payload = fetchPayload(std::get<1>(iov));
       if (payload.get()) {
         SiStripApvGainContainer* objContainer = new SiStripApvGainContainer(payload, iov, tagname);
         //objContainer->printAll();
 
         TCanvas canvas("Partition summary", "partition summary", 1400, 1000);
         objContainer->fillByPartition(canvas, 100, 0., 2.);
 
         std::string fileName(m_imageFileName);
         canvas.SaveAs(fileName.c_str());
       }  // payload
       return true;
     }  // fill
   };
 
   class SiStripApvGainCompareByPartition : public PlotImage<SiStripApvGain, MULTI_IOV, 2> {
   public:
     SiStripApvGainCompareByPartition()
         : PlotImage<SiStripApvGain, MULTI_IOV, 2>("SiStrip Compare ApvGains By Partition") {}
 
     bool fill() override {
       // trick to deal with the multi-ioved tag and two tag case at the same time
       auto theIOVs = PlotBase::getTag<0>().iovs;
       auto tagname1 = PlotBase::getTag<0>().name;
       auto tag2iovs = PlotBase::getTag<1>().iovs;
       auto tagname2 = PlotBase::getTag<1>().name;
       SiStripPI::MetaData firstiov = theIOVs.front();
       SiStripPI::MetaData lastiov = tag2iovs.front();
 
       std::shared_ptr<SiStripApvGain> last_payload = fetchPayload(std::get<1>(lastiov));
       std::shared_ptr<SiStripApvGain> first_payload = fetchPayload(std::get<1>(firstiov));
 
       SiStripApvGainContainer* l_objContainer = new SiStripApvGainContainer(last_payload, lastiov, tagname1);
       SiStripApvGainContainer* f_objContainer = new SiStripApvGainContainer(first_payload, firstiov, tagname2);
 
       l_objContainer->compare(f_objContainer);
 
       //l_objContainer->printAll();
 
       TCanvas canvas("Partition summary", "partition summary", 1400, 1000);
       l_objContainer->fillByPartition(canvas, 100, 0.5, 1.5);
 
       std::string fileName(m_imageFileName);
       canvas.SaveAs(fileName.c_str());
 
       return true;
     }  // fill
   };
 
   class SiStripApvGainRatioByPartition : public PlotImage<SiStripApvGain, MULTI_IOV, 2> {
   public:
     SiStripApvGainRatioByPartition() : PlotImage<SiStripApvGain, MULTI_IOV, 2>("SiStrip Ratio ApvGains By Partition") {}
 
     bool fill() override {
       // trick to deal with the multi-ioved tag and two tag case at the same time
       auto theIOVs = PlotBase::getTag<0>().iovs;
       auto tagname1 = PlotBase::getTag<0>().name;
       auto tag2iovs = PlotBase::getTag<1>().iovs;
       auto tagname2 = PlotBase::getTag<1>().name;
       SiStripPI::MetaData firstiov = theIOVs.front();
       SiStripPI::MetaData lastiov = tag2iovs.front();
 
       std::shared_ptr<SiStripApvGain> last_payload = fetchPayload(std::get<1>(lastiov));
       std::shared_ptr<SiStripApvGain> first_payload = fetchPayload(std::get<1>(firstiov));
 
       SiStripApvGainContainer* l_objContainer = new SiStripApvGainContainer(last_payload, lastiov, tagname1);
       SiStripApvGainContainer* f_objContainer = new SiStripApvGainContainer(first_payload, firstiov, tagname2);
 
       l_objContainer->divide(f_objContainer);
 
       //l_objContainer->printAll();
 
       TCanvas canvas("Partition summary", "partition summary", 1400, 1000);
       l_objContainer->fillByPartition(canvas, 200, 0.5, 1.5);
       //for (int i = 1; i <= 4; i++)
       //  canvas.cd(i)->SetLogy();
 
       std::string fileName(m_imageFileName);
       canvas.SaveAs(fileName.c_str());
 
       return true;
     }  // fill
   };
 
   class SiStripApvGainDiffByPartition : public PlotImage<SiStripApvGain, MULTI_IOV, 2> {
   public:
     SiStripApvGainDiffByPartition() : PlotImage<SiStripApvGain, MULTI_IOV, 2>("SiStrip Diff ApvGains By Partition") {}
 
     bool fill() override {
       // trick to deal with the multi-ioved tag and two tag case at the same time
       auto theIOVs = PlotBase::getTag<0>().iovs;
       auto tagname1 = PlotBase::getTag<0>().name;
       auto tag2iovs = PlotBase::getTag<1>().iovs;
       auto tagname2 = PlotBase::getTag<1>().name;
       SiStripPI::MetaData firstiov = theIOVs.front();
       SiStripPI::MetaData lastiov = tag2iovs.front();
 
       std::shared_ptr<SiStripApvGain> last_payload = fetchPayload(std::get<1>(lastiov));
       std::shared_ptr<SiStripApvGain> first_payload = fetchPayload(std::get<1>(firstiov));
 
       SiStripApvGainContainer* l_objContainer = new SiStripApvGainContainer(last_payload, lastiov, tagname1);
       SiStripApvGainContainer* f_objContainer = new SiStripApvGainContainer(first_payload, firstiov, tagname2);
 
       l_objContainer->subtract(f_objContainer);
 
       //l_objContainer->printAll();
 
       TCanvas canvas("Partition summary", "partition summary", 1400, 1000);
       l_objContainer->fillByPartition(canvas, 100, -0.1, 0.1);
 
       std::string fileName(m_imageFileName);
       canvas.SaveAs(fileName.c_str());
 
       return true;
     }  // fill
   };
 
   /************************************************
     1d histogram of SiStripApvGains of 1 IOV 
   *************************************************/
 
   // inherit from one of the predefined plot class: Histogram1D
   class SiStripApvGainsValue : public Histogram1D<SiStripApvGain, SINGLE_IOV> {
   public:
     SiStripApvGainsValue()
         : Histogram1D<SiStripApvGain, SINGLE_IOV>("SiStripApv Gains values", "SiStripApv Gains values", 200, 0.0, 2.0) {
     }
 
     bool fill() override {
       auto tag = PlotBase::getTag<0>();
       for (auto const& iov : tag.iovs) {
         std::shared_ptr<SiStripApvGain> payload = Base::fetchPayload(std::get<1>(iov));
         if (payload.get()) {
           std::vector<uint32_t> detid;
           payload->getDetIds(detid);
 
           for (const auto& d : detid) {
             SiStripApvGain::Range range = payload->getRange(d);
             for (int it = 0; it < range.second - range.first; it++) {
               // to be used to fill the histogram
               fillWithValue(payload->getApvGain(it, range));
 
             }  // loop over APVs
           }    // loop over detIds
         }      // payload
       }        // iovs
       return true;
     }  // fill
   };
 
   /************************************************
     1d histogram of means of SiStripApvGains
     for Tracker Barrel of 1 IOV 
   *************************************************/
 
   // inherit from one of the predefined plot class: Histogram1D
   class SiStripApvBarrelGainsByLayer : public Histogram1D<SiStripApvGain, SINGLE_IOV> {
   public:
     SiStripApvBarrelGainsByLayer()
         : Histogram1D<SiStripApvGain, SINGLE_IOV>("SiStripApv Gains averages by Barrel layer",
                                                   "Barrel layer (0-3: TIB), (4-9: TOB)",
                                                   10,
                                                   0,
                                                   10,
                                                   "average SiStripApv Gain") {}
 
     bool fill() override {
       auto tag = PlotBase::getTag<0>();
       for (auto const& iov : tag.iovs) {
         std::shared_ptr<SiStripApvGain> payload = Base::fetchPayload(std::get<1>(iov));
         if (payload.get()) {
           TrackerTopology tTopo = StandaloneTrackerTopology::fromTrackerParametersXMLFile(
               edm::FileInPath("Geometry/TrackerCommonData/data/trackerParameters.xml").fullPath());
 
           std::vector<uint32_t> detid;
           payload->getDetIds(detid);
 
           std::map<int, std::pair<float, float>> sumOfGainsByLayer;
 
           for (const auto& d : detid) {
             int subid = DetId(d).subdetId();
             int layer(-1);
             if (subid != StripSubdetector::TIB && subid != StripSubdetector::TOB)
               continue;
             if (subid == StripSubdetector::TIB) {
               layer = tTopo.tibLayer(d);
             } else if (subid == StripSubdetector::TOB) {
               // layers of TOB start at 5th bin
               layer = tTopo.tobLayer(d);
               layer += 4;
             }
 
             SiStripApvGain::Range range = payload->getRange(d);
             for (int it = 0; it < range.second - range.first; it++) {
               sumOfGainsByLayer[layer].first += payload->getApvGain(it, range);
               sumOfGainsByLayer[layer].second += 1.;
             }  // loop over APVs
           }    // loop over detIds
 
           // loop on the map to fill the plot
           for (auto& data : sumOfGainsByLayer) {
             fillWithBinAndValue(data.first - 1, (data.second.first / data.second.second));
           }
 
         }  // payload
       }    // iovs
       return true;
     }  // fill
   };
 
   /************************************************
     2d histogram of absolute (i.e. not average)
     SiStripApvGains for Tracker Barrel of 1 IOV
   *************************************************/
 
   class SiStripApvAbsoluteBarrelGainsByLayer : public Histogram2D<SiStripApvGain, SINGLE_IOV> {
   public:
     SiStripApvAbsoluteBarrelGainsByLayer()
         : Histogram2D<SiStripApvGain, SINGLE_IOV>("SiStripApv Gains by Barrel layer",
                                                   "Barrel layer (0-3: TIB), (4-9: TOB)",
                                                   10,
                                                   0,
                                                   10,
                                                   "SiStripApv Gain",
                                                   200,
                                                   0.0,
                                                   2.0) {}
     bool fill() override {
       auto tag = PlotBase::getTag<0>();
       for (auto const& iov : tag.iovs) {
         std::shared_ptr<SiStripApvGain> payload = Base::fetchPayload(std::get<1>(iov));
         if (payload.get()) {
           TrackerTopology tTopo = StandaloneTrackerTopology::fromTrackerParametersXMLFile(
               edm::FileInPath("Geometry/TrackerCommonData/data/trackerParameters.xml").fullPath());
 
           std::vector<uint32_t> detid;
           payload->getDetIds(detid);
           for (const auto& d : detid) {
             int subid = DetId(d).subdetId();
             if (subid != 3 && subid != 5)
               continue;
 
             SiStripApvGain::Range range = payload->getRange(d);
             for (int it = 0; it < range.second - range.first; it++) {
               float gain = payload->getApvGain(it, range);
               fillWithValue(static_cast<float>((subid == 5) ? tTopo.tobLayer(d) + 3 : tTopo.tibLayer(d) - 1),
                             (gain > 2.0) ? 2.0 : gain);
             }
           }  //loop over detIds
         }    // loop over payloads
       }      // loop over iovs
       return true;
     }  // fill
   };
 
   /************************************************
     1d histogram of means of SiStripApvGains
     for Tracker Endcaps (minus side) of 1 IOV 
   *************************************************/
 
   // inherit from one of the predefined plot class: Histogram1D
   class SiStripApvEndcapMinusGainsByDisk : public Histogram1D<SiStripApvGain, SINGLE_IOV> {
   public:
     SiStripApvEndcapMinusGainsByDisk()
         : Histogram1D<SiStripApvGain, SINGLE_IOV>("SiStripApv Gains averages by Endcap (minus) disk",
                                                   "Endcap (minus) disk (0-2: TID), (3-11: TEC)",
                                                   12,
                                                   0,
                                                   12,
                                                   "average SiStripApv Gain") {}
 
     bool fill() override {
       auto tag = PlotBase::getTag<0>();
       for (auto const& iov : tag.iovs) {
         std::shared_ptr<SiStripApvGain> payload = Base::fetchPayload(std::get<1>(iov));
         if (payload.get()) {
           TrackerTopology tTopo = StandaloneTrackerTopology::fromTrackerParametersXMLFile(
               edm::FileInPath("Geometry/TrackerCommonData/data/trackerParameters.xml").fullPath());
 
           std::vector<uint32_t> detid;
           payload->getDetIds(detid);
 
           std::map<int, std::pair<float, float>> sumOfGainsByDisk;
 
           for (const auto& d : detid) {
             int disk = -1;
             int side = -1;
             int subid = DetId(d).subdetId();
             if (subid != StripSubdetector::TID && subid != StripSubdetector::TEC)
               continue;
 
             if (subid == StripSubdetector::TID) {
               side = tTopo.tidSide(d);
               disk = tTopo.tidWheel(d);
             } else {
               side = tTopo.tecSide(d);
               disk = tTopo.tecWheel(d);
               // disks of TEC start at 4th bin
               disk += 3;
             }
 
             // only negative side
             if (side != 1)
               continue;
 
             SiStripApvGain::Range range = payload->getRange(d);
             for (int it = 0; it < range.second - range.first; it++) {
               sumOfGainsByDisk[disk].first += payload->getApvGain(it, range);
               sumOfGainsByDisk[disk].second += 1.;
             }  // loop over APVs
           }    // loop over detIds
 
           // loop on the map to fill the plot
           for (auto& data : sumOfGainsByDisk) {
             fillWithBinAndValue(data.first - 1, (data.second.first / data.second.second));
           }
 
         }  // payload
       }    // iovs
       return true;
     }  // fill
   };
 
   /************************************************
     1d histogram of means of SiStripApvGains
     for Tracker Endcaps (plus side) of 1 IOV 
   *************************************************/
 
   // inherit from one of the predefined plot class: Histogram1D
   class SiStripApvEndcapPlusGainsByDisk : public Histogram1D<SiStripApvGain, SINGLE_IOV> {
   public:
     SiStripApvEndcapPlusGainsByDisk()
         : Histogram1D<SiStripApvGain, SINGLE_IOV>("SiStripApv Gains averages by Endcap (plus) disk",
                                                   "Endcap (plus) disk (0-2: TID), (3-11: TEC)",
                                                   12,
                                                   0,
                                                   12,
                                                   "average SiStripApv Gain") {}
 
     bool fill() override {
       auto tag = PlotBase::getTag<0>();
       for (auto const& iov : tag.iovs) {
         std::shared_ptr<SiStripApvGain> payload = Base::fetchPayload(std::get<1>(iov));
         if (payload.get()) {
           TrackerTopology tTopo = StandaloneTrackerTopology::fromTrackerParametersXMLFile(
               edm::FileInPath("Geometry/TrackerCommonData/data/trackerParameters.xml").fullPath());
 
           std::vector<uint32_t> detid;
           payload->getDetIds(detid);
 
           std::map<int, std::pair<float, float>> sumOfGainsByDisk;
 
           for (const auto& d : detid) {
             int disk = -1;
             int side = -1;
             int subid = DetId(d).subdetId();
             if (subid != StripSubdetector::TID && subid != StripSubdetector::TEC)
               continue;
 
             if (subid == StripSubdetector::TID) {
               side = tTopo.tidSide(d);
               disk = tTopo.tidWheel(d);
               ;
             } else {
               side = tTopo.tecSide(d);
               disk = tTopo.tecWheel(d);
               // disks of TEC start at 4th bin
               disk += 3;
             }
 
             // only positive side
             if (side != 2)
               continue;
 
             SiStripApvGain::Range range = payload->getRange(d);
             for (int it = 0; it < range.second - range.first; it++) {
               sumOfGainsByDisk[disk].first += payload->getApvGain(it, range);
               sumOfGainsByDisk[disk].second += 1.;
             }  // loop over APVs
           }    // loop over detIds
 
           // loop on the map to fill the plot
           for (auto& data : sumOfGainsByDisk) {
             fillWithBinAndValue(data.first - 1, (data.second.first / data.second.second));
           }
 
         }  // payload
       }    // iovs
       return true;
     }  // fill
   };
 
   /************************************************
     2D histogram of absolute (i.e. not average)
     SiStripApv Gains on the Endcap- for 1 IOV
    ************************************************/
   class SiStripApvAbsoluteEndcapMinusGainsByDisk : public Histogram2D<SiStripApvGain, SINGLE_IOV> {
   public:
     SiStripApvAbsoluteEndcapMinusGainsByDisk()
         : Histogram2D<SiStripApvGain, SINGLE_IOV>("SiStripApv Gains averages by Endcap (minus) disk",
                                                   "Endcap (minus) disk (0-2: TID), (3-11: TEC)",
                                                   12,
                                                   0,
                                                   12,
                                                   "SiStripApv Gain",
                                                   200,
                                                   0.0,
                                                   2.0) {}
 
     bool fill() override {
       auto tag = PlotBase::getTag<0>();
       for (auto const& iov : tag.iovs) {
         std::shared_ptr<SiStripApvGain> payload = Base::fetchPayload(std::get<1>(iov));
         if (payload.get()) {
           TrackerTopology tTopo = StandaloneTrackerTopology::fromTrackerParametersXMLFile(
               edm::FileInPath("Geometry/TrackerCommonData/data/trackerParameters.xml").fullPath());
 
           std::vector<uint32_t> detid;
           payload->getDetIds(detid);
 
           for (const auto& d : detid) {
             int subid = DetId(d).subdetId(), side = -1, disk = -1;
 
             switch (subid) {
               case 4:
                 side = tTopo.tidSide(d);
                 disk = tTopo.tidWheel(d);
                 break;
               case 6:
                 side = tTopo.tecSide(d);
                 disk = tTopo.tecWheel(d) + 4;
                 break;
               default:
                 continue;
             }
 
             if (side != 1)
               continue;
             SiStripApvGain::Range range = payload->getRange(d);
             for (int it = 0; it < range.second - range.first; it++) {
               float gain = payload->getApvGain(it, range);
               fillWithValue((float)disk - 1, (gain > 2.0) ? 2.0 : gain);
             }  // apvs
           }    // detids
         }
       }  // iovs
       return true;
     }  // fill
   };
 
   /************************************************
     2D histogram of absolute (i.e. not average)
     SiStripApv Gains on the Endcap+ for 1 IOV
    ************************************************/
   class SiStripApvAbsoluteEndcapPlusGainsByDisk : public Histogram2D<SiStripApvGain, SINGLE_IOV> {
   public:
     SiStripApvAbsoluteEndcapPlusGainsByDisk()
         : Histogram2D<SiStripApvGain, SINGLE_IOV>("SiStripApv Gains averages by Endcap (plus) disk",
                                                   "Endcap (plus) disk (0-2: TID), (3-11: TEC)",
                                                   12,
                                                   0,
                                                   12,
                                                   "SiStripApv Gain",
                                                   200,
                                                   0.0,
                                                   2.0) {}
     bool fill() override {
       auto tag = PlotBase::getTag<0>();
       for (auto const& iov : tag.iovs) {
         std::shared_ptr<SiStripApvGain> payload = Base::fetchPayload(std::get<1>(iov));
         if (payload.get()) {
           TrackerTopology tTopo = StandaloneTrackerTopology::fromTrackerParametersXMLFile(
               edm::FileInPath("Geometry/TrackerCommonData/data/trackerParameters.xml").fullPath());
 
           std::vector<uint32_t> detid;
           payload->getDetIds(detid);
 
           for (const auto& d : detid) {
             int subid = DetId(d).subdetId(), side = -1, disk = -1;
 
             switch (subid) {
               case 4:
                 side = tTopo.tidSide(d);
                 disk = tTopo.tidWheel(d);
                 break;
               case 6:
                 side = tTopo.tecSide(d);
                 disk = tTopo.tecWheel(d) + 4;
                 break;
               default:
                 continue;
             }
 
             if (side != 2)
               continue;
             SiStripApvGain::Range range = payload->getRange(d);
             for (int it = 0; it < range.second - range.first; it++) {
               float gain = payload->getApvGain(it, range);
               fillWithValue((float)disk - 1, (gain > 2.0) ? 2.0 : gain);
             }  //apvs
           }    //detids
         }
       }  // iovs
       return true;
     }  // fill
   };
 
   /************************************************
     TrackerMap of SiStripApvGains (average gain per detid)
   *************************************************/
   class SiStripApvGainsAverageTrackerMap : public PlotImage<SiStripApvGain, SINGLE_IOV> {
   public:
     SiStripApvGainsAverageTrackerMap() : PlotImage<SiStripApvGain, SINGLE_IOV>("Tracker Map of average SiStripGains") {}
 
     bool fill() override {
       auto tag = PlotBase::getTag<0>();
       auto iov = tag.iovs.front();
       std::shared_ptr<SiStripApvGain> payload = fetchPayload(std::get<1>(iov));
 
       std::string titleMap = "SiStrip APV Gain average per module (payload : " + std::get<1>(iov) + ")";
 
       std::unique_ptr<TrackerMap> tmap = std::make_unique<TrackerMap>("SiStripApvGains");
       tmap->setTitle(titleMap);
       tmap->setPalette(1);
 
       std::vector<uint32_t> detid;
       payload->getDetIds(detid);
 
       std::map<uint32_t, float> store;
 
       for (const auto& d : detid) {
         SiStripApvGain::Range range = payload->getRange(d);
         float sumOfGains = 0;
         float nAPVsPerModule = 0.;
         for (int it = 0; it < range.second - range.first; it++) {
           nAPVsPerModule += 1;
           sumOfGains += payload->getApvGain(it, range);
         }  // loop over APVs
         // fill the tracker map taking the average gain on a single DetId
         store[d] = (sumOfGains / nAPVsPerModule);
         tmap->fill(d, (sumOfGains / nAPVsPerModule));
       }  // loop over detIds
 
       //=========================
       // saturate at 2 std deviations
       auto range = SiStripPI::getTheRange(store, 2);
 
       std::string fileName(m_imageFileName);
       tmap->save(true, range.first, range.second, fileName);
 
       return true;
     }
   };
 
   /************************************************
     TrackerMap of SiStripApvGains (module with default)
   *************************************************/
   class SiStripApvGainsDefaultTrackerMap : public PlotImage<SiStripApvGain, SINGLE_IOV> {
   public:
     SiStripApvGainsDefaultTrackerMap()
         : PlotImage<SiStripApvGain, SINGLE_IOV>("Tracker Map of SiStripGains to default") {}
 
     bool fill() override {
       auto tag = PlotBase::getTag<0>();
       auto iov = tag.iovs.front();
       std::shared_ptr<SiStripApvGain> payload = fetchPayload(std::get<1>(iov));
 
       std::unique_ptr<TrackerMap> tmap = std::make_unique<TrackerMap>("SiStripApvGains");
 
       tmap->setPalette(1);
 
       std::vector<uint32_t> detid;
       payload->getDetIds(detid);
 
       /*
     the defaul G1 value comes from the ratio of DefaultTickHeight/GainNormalizationFactor
     as defined in the default of the O2O producer: OnlineDB/SiStripESSources/src/SiStripCondObjBuilderFromDb.cc
       */
 
       float G1default = 690. / 640.;
       float G2default = 1.;
 
       int totalG1DefaultAPVs = 0;
       int totalG2DefaultAPVs = 0;
 
       for (const auto& d : detid) {
         SiStripApvGain::Range range = payload->getRange(d);
         float sumOfGains = 0;
         float nAPVsPerModule = 0.;
         int countDefaults = 0;
         for (int it = 0; it < range.second - range.first; it++) {
           nAPVsPerModule += 1;
           sumOfGains += payload->getApvGain(it, range);
           if ((payload->getApvGain(it, range)) == G1default || (payload->getApvGain(it, range)) == G2default)
             countDefaults++;
         }  // loop over APVs
         // fill the tracker map taking the average gain on a single DetId
         if (countDefaults > 0.) {
           tmap->fill(d, countDefaults);
 
           if (std::fmod((sumOfGains / countDefaults), G1default) == 0.) {
             totalG1DefaultAPVs += countDefaults;
           } else if (std::fmod((sumOfGains / countDefaults), G2default) == 0.) {
             totalG2DefaultAPVs += countDefaults;
           }
         }
       }  // loop over detIds
 
       //=========================
 
       std::string gainType = totalG1DefaultAPVs == 0 ? "G2 value (=1)" : "G1 value (=690./640.)";
 
       std::string titleMap = "# of APVs/module w/ default " + gainType + " (payload : " + std::get<1>(iov) + ")";
       tmap->setTitle(titleMap);
 
       std::string fileName(m_imageFileName);
       tmap->save(true, 0, 0, fileName);
 
       return true;
     }
   };
 
   /************************************************
     TrackerMap of SiStripApvGains (ratio with previous gain per detid)
   *************************************************/
 
   template <int ntags, IOVMultiplicity nIOVs>
   class SiStripApvGainsRatioTrackerMapBase : public PlotImage<SiStripApvGain, nIOVs, ntags> {
   public:
     SiStripApvGainsRatioTrackerMapBase()
         : PlotImage<SiStripApvGain, nIOVs, ntags>("Tracker Map of ratio of SiStripGains with previous IOV") {
       PlotBase::addInputParam("nsigma");
     }
 
     bool fill() override {
       // determine n. sigmas
       unsigned int nsigma(1);
 
       auto paramValues = PlotBase::inputParamValues();
       auto ip = paramValues.find("nsigma");
       if (ip != paramValues.end()) {
         nsigma = std::stoul(ip->second);
       }
 
       // trick to deal with the multi-ioved tag and two tag case at the same time
       auto theIOVs = PlotBase::getTag<0>().iovs;
       auto tagname1 = PlotBase::getTag<0>().name;
       std::string tagname2 = "";
       auto firstiov = theIOVs.front();
       SiStripPI::MetaData lastiov;
 
       // we don't support (yet) comparison with more than 2 tags
       assert(this->m_plotAnnotations.ntags < 3);
 
       if (this->m_plotAnnotations.ntags == 2) {
         auto tag2iovs = PlotBase::getTag<1>().iovs;
         tagname2 = PlotBase::getTag<1>().name;
         lastiov = tag2iovs.front();
       } else {
         lastiov = theIOVs.back();
       }
 
       std::shared_ptr<SiStripApvGain> last_payload = this->fetchPayload(std::get<1>(lastiov));
       std::shared_ptr<SiStripApvGain> first_payload = this->fetchPayload(std::get<1>(firstiov));
 
       std::string titleMap = "SiStrip APV Gain ratio per module average (IOV: ";
 
       titleMap += std::to_string(std::get<0>(firstiov));
       titleMap += "/ IOV:";
       titleMap += std::to_string(std::get<0>(lastiov));
       titleMap += ")";
 
       titleMap += +" " + std::to_string(nsigma) + " std. dev. saturation";
 
       std::unique_ptr<TrackerMap> tmap = std::make_unique<TrackerMap>("SiStripApvGains");
       tmap->setTitle(titleMap);
       tmap->setPalette(1);
 
       std::map<uint32_t, float> lastmap, firstmap;
 
       std::vector<uint32_t> detid;
       last_payload->getDetIds(detid);
 
       // cache the last IOV
       for (const auto& d : detid) {
         SiStripApvGain::Range range = last_payload->getRange(d);
         float Gain = 0;
         float nAPV = 0;
         for (int it = 0; it < range.second - range.first; it++) {
           nAPV += 1;
           Gain += last_payload->getApvGain(it, range);
         }  // loop over APVs
         lastmap[d] = (Gain / nAPV);
       }  // loop over detIds
 
       detid.clear();
 
       first_payload->getDetIds(detid);
 
       // cache the first IOV
       for (const auto& d : detid) {
         SiStripApvGain::Range range = first_payload->getRange(d);
         float Gain = 0;
         float nAPV = 0;
         for (int it = 0; it < range.second - range.first; it++) {
           nAPV += 1;
           Gain += first_payload->getApvGain(it, range);
         }  // loop over APVs
         firstmap[d] = (Gain / nAPV);
       }  // loop over detIds
 
       std::map<uint32_t, float> cachedRatio;
       for (const auto& d : detid) {
         float ratio = firstmap[d] / lastmap[d];
         tmap->fill(d, ratio);
         cachedRatio[d] = ratio;
       }
 
       //=========================
       auto range = SiStripPI::getTheRange(cachedRatio, nsigma);
 
       std::string fileName(this->m_imageFileName);
       tmap->save(true, range.first, range.second, fileName);
 
       return true;
     }
   };
 
   using SiStripApvGainsAvgDeviationRatioWithPreviousIOVTrackerMap = SiStripApvGainsRatioTrackerMapBase<1, MULTI_IOV>;
   using SiStripApvGainsAvgDeviationRatioTrackerMapTwoTags = SiStripApvGainsRatioTrackerMapBase<2, SINGLE_IOV>;
 
   /************************************************
    TrackerMap of SiStripApvGains (ratio for largest deviation with previous gain per detid)
   *************************************************/
 
   template <int ntags, IOVMultiplicity nIOVs>
   class SiStripApvGainsRatioMaxDeviationTrackerMapBase : public PlotImage<SiStripApvGain, nIOVs, ntags> {
   public:
     SiStripApvGainsRatioMaxDeviationTrackerMapBase()
         : PlotImage<SiStripApvGain, nIOVs, ntags>(
               "Tracker Map of ratio (for largest deviation) of SiStripGains with previous IOV") {
       PlotBase::addInputParam("nsigma");
     }
 
     bool fill() override {
       unsigned int nsigma(1);
       auto paramValues = PlotBase::inputParamValues();
       auto ip = paramValues.find("nsigma");
       if (ip != paramValues.end()) {
         nsigma = std::stoul(ip->second);
         edm::LogPrint("SiStripApvGain_PayloadInspector")
             << "using custom z-axis saturation: " << nsigma << " sigmas" << std::endl;
       } else {
         edm::LogPrint("SiStripApvGain_PayloadInspector")
             << "using default saturation: " << nsigma << " sigmas" << std::endl;
       }
 
       // trick to deal with the multi-ioved tag and two tag case at the same time
       auto theIOVs = PlotBase::getTag<0>().iovs;
       auto tagname1 = PlotBase::getTag<0>().name;
       std::string tagname2 = "";
       auto firstiov = theIOVs.front();
       SiStripPI::MetaData lastiov;
 
       // we don't support (yet) comparison with more than 2 tags
       assert(this->m_plotAnnotations.ntags < 3);
 
       if (this->m_plotAnnotations.ntags == 2) {
         auto tag2iovs = PlotBase::getTag<1>().iovs;
         tagname2 = PlotBase::getTag<1>().name;
         lastiov = tag2iovs.front();
       } else {
         lastiov = theIOVs.back();
       }
 
       std::shared_ptr<SiStripApvGain> last_payload = this->fetchPayload(std::get<1>(lastiov));
       std::shared_ptr<SiStripApvGain> first_payload = this->fetchPayload(std::get<1>(firstiov));
 
       std::string titleMap = "SiStrip APV Gain ratio for largest deviation per module (IOV: ";
 
       titleMap += std::to_string(std::get<0>(firstiov));
       titleMap += "/ IOV:";
       titleMap += std::to_string(std::get<0>(lastiov));
       titleMap += ") ";
 
       titleMap += +" - " + std::to_string(nsigma) + " std. dev. saturation";
 
       std::unique_ptr<TrackerMap> tmap = std::make_unique<TrackerMap>("SiStripApvGains");
       tmap->setTitle(titleMap);
       tmap->setPalette(1);
 
       std::map<std::pair<uint32_t, int>, float> lastmap, firstmap;
 
       std::vector<uint32_t> detid;
       last_payload->getDetIds(detid);
 
       // cache the last IOV
       for (const auto& d : detid) {
         SiStripApvGain::Range range = last_payload->getRange(d);
         float nAPV = 0;
         for (int it = 0; it < range.second - range.first; it++) {
           nAPV += 1;
           float Gain = last_payload->getApvGain(it, range);
           std::pair<uint32_t, int> index = std::make_pair(d, nAPV);
           lastmap[index] = Gain;
         }  // loop over APVs
       }    // loop over detIds
 
       detid.clear();
 
       first_payload->getDetIds(detid);
 
       // cache the first IOV
       for (const auto& d : detid) {
         SiStripApvGain::Range range = first_payload->getRange(d);
         float nAPV = 0;
         for (int it = 0; it < range.second - range.first; it++) {
           nAPV += 1;
           float Gain = first_payload->getApvGain(it, range);
           std::pair<uint32_t, int> index = std::make_pair(d, nAPV);
           firstmap[index] = Gain;
         }  // loop over APVs
       }    // loop over detIds
 
       // find the largest deviation
       std::map<uint32_t, float> cachedRatio;
 
       for (const auto& item : firstmap) {
         // packed index (detid,APV)
         auto index = item.first;
         auto mod = item.first.first;
 
         float ratio = firstmap[index] / lastmap[index];
         // if we have already cached something
         if (cachedRatio[mod]) {
           // if the discrepancy with 1 of ratio is larger than the cached value
           if (std::abs(ratio - 1.) > std::abs(cachedRatio[mod] - 1.)) {
             cachedRatio[mod] = ratio;
           }
         } else {
           cachedRatio[mod] = ratio;
         }
       }
 
       for (const auto& element : cachedRatio) {
         tmap->fill(element.first, element.second);
       }
 
       // get the range of the TrackerMap (saturate at +/-n std deviations)
       auto range = SiStripPI::getTheRange(cachedRatio, nsigma);
 
       //=========================
 
       std::string fileName(this->m_imageFileName);
       tmap->save(true, range.first, range.second, fileName);
 
       return true;
     }
   };
 
   using SiStripApvGainsMaxDeviationRatioWithPreviousIOVTrackerMap =
       SiStripApvGainsRatioMaxDeviationTrackerMapBase<1, MULTI_IOV>;
 
   using SiStripApvGainsMaxDeviationRatioTrackerMapTwoTags =
       SiStripApvGainsRatioMaxDeviationTrackerMapBase<2, SINGLE_IOV>;
 
   /************************************************
     TrackerMap of SiStripApvGains (maximum gain per detid)
   *************************************************/
   class SiStripApvGainsMaximumTrackerMap : public PlotImage<SiStripApvGain, SINGLE_IOV> {
   public:
     SiStripApvGainsMaximumTrackerMap()
         : PlotImage<SiStripApvGain, SINGLE_IOV>("Tracker Map of SiStripAPVGains (maximum per DetId)") {}
 
     bool fill() override {
       auto tag = PlotBase::getTag<0>();
       auto iov = tag.iovs.front();
       std::shared_ptr<SiStripApvGain> payload = fetchPayload(std::get<1>(iov));
 
       std::string titleMap = "SiStrip APV Gain maximum per module (payload : " + std::get<1>(iov) + ")";
 
       std::unique_ptr<TrackerMap> tmap = std::make_unique<TrackerMap>("SiStripApvGains");
       tmap->setTitle(titleMap);
       tmap->setPalette(1);
 
       std::vector<uint32_t> detid;
       payload->getDetIds(detid);
 
       for (const auto& d : detid) {
         SiStripApvGain::Range range = payload->getRange(d);
         float theMaxGain = 0;
         for (int it = 0; it < range.second - range.first; it++) {
           float currentGain = payload->getApvGain(it, range);
           if (currentGain > theMaxGain) {
             theMaxGain = currentGain;
           }
         }  // loop over APVs
         // fill the tracker map taking the maximum gain on a single DetId
         tmap->fill(d, theMaxGain);
       }  // loop over detIds
 
       //=========================
 
       std::pair<float, float> extrema = tmap->getAutomaticRange();
 
       std::string fileName(m_imageFileName);
 
       // protect against uniform values (gains are defined positive)
       if (extrema.first != extrema.second) {
         tmap->save(true, 0, 0, fileName);
       } else {
         tmap->save(true, extrema.first * 0.95, extrema.first * 1.05, fileName);
       }
 
       return true;
     }
   };
 
   /************************************************
     TrackerMap of SiStripApvGains (minimum gain per detid)
   *************************************************/
   class SiStripApvGainsMinimumTrackerMap : public PlotImage<SiStripApvGain, SINGLE_IOV> {
   public:
     SiStripApvGainsMinimumTrackerMap()
         : PlotImage<SiStripApvGain, SINGLE_IOV>("Tracker Map of SiStripAPVGains (minimum per DetId)") {}
 
     bool fill() override {
       auto tag = PlotBase::getTag<0>();
       auto iov = tag.iovs.front();
 
       std::shared_ptr<SiStripApvGain> payload = fetchPayload(std::get<1>(iov));
 
       std::string titleMap = "SiStrip APV Gain minumum per module (payload : " + std::get<1>(iov) + ")";
 
       std::unique_ptr<TrackerMap> tmap = std::make_unique<TrackerMap>("SiStripApvGains");
       tmap->setTitle(titleMap);
       tmap->setPalette(1);
 
       std::vector<uint32_t> detid;
       payload->getDetIds(detid);
 
       for (const auto& d : detid) {
         SiStripApvGain::Range range = payload->getRange(d);
         float theMinGain = 999.;
         for (int it = 0; it < range.second - range.first; it++) {
           float currentGain = payload->getApvGain(it, range);
           if (currentGain < theMinGain) {
             theMinGain = currentGain;
           }
         }  // loop over APVs
         // fill the tracker map taking the minimum gain on a single DetId
         tmap->fill(d, theMinGain);
       }  // loop over detIds
 
       //=========================
 
       std::pair<float, float> extrema = tmap->getAutomaticRange();
 
       std::string fileName(m_imageFileName);
 
       // protect against uniform values (gains are defined positive)
       if (extrema.first != extrema.second) {
         tmap->save(true, 0, 0, fileName);
       } else {
         tmap->save(true, extrema.first * 0.95, extrema.first * 1.05, fileName);
       }
 
       return true;
     }
   };
 
   /************************************************
     time history histogram of SiStripApvGains 
   *************************************************/
 
   class SiStripApvGainByRunMeans : public HistoryPlot<SiStripApvGain, float> {
   public:
     SiStripApvGainByRunMeans()
         : HistoryPlot<SiStripApvGain, float>("SiStripApv Gains average", "average Strip APV gain value") {}
     ~SiStripApvGainByRunMeans() override = default;
 
     float getFromPayload(SiStripApvGain& payload) override {
       std::vector<uint32_t> detid;
       payload.getDetIds(detid);
 
       float nAPVs = 0;
       float sumOfGains = 0;
 
       for (const auto& d : detid) {
         SiStripApvGain::Range range = payload.getRange(d);
         for (int it = 0; it < range.second - range.first; it++) {
           nAPVs += 1;
           sumOfGains += payload.getApvGain(it, range);
         }  // loop over APVs
       }    // loop over detIds
 
       return sumOfGains / nAPVs;
     }  // payload
   };
 
   /************************************************
     time history of SiStripApvGains properties
   *************************************************/
 
   template <SiStripPI::estimator est>
   class SiStripApvGainProperties : public HistoryPlot<SiStripApvGain, float> {
   public:
     SiStripApvGainProperties()
         : HistoryPlot<SiStripApvGain, float>("SiStripApv Gains " + estimatorType(est),
                                              estimatorType(est) + " Strip APV gain value") {}
     ~SiStripApvGainProperties() override = default;
 
     float getFromPayload(SiStripApvGain& payload) override {
       std::vector<uint32_t> detid;
       payload.getDetIds(detid);
 
       float nAPVs = 0;
       float sumOfGains = 0;
       float meanOfGains = 0;
       float rmsOfGains = 0;
       float min(0.), max(0.);
 
       for (const auto& d : detid) {
         SiStripApvGain::Range range = payload.getRange(d);
         for (int it = 0; it < range.second - range.first; it++) {
           nAPVs += 1;
           float gain = payload.getApvGain(it, range);
           if (gain < min)
             min = gain;
           if (gain > max)
             max = gain;
           sumOfGains += gain;
           rmsOfGains += (gain * gain);
         }  // loop over APVs
       }    // loop over detIds
 
       meanOfGains = sumOfGains / nAPVs;
 
       switch (est) {
         case SiStripPI::min:
           return min;
           break;
         case SiStripPI::max:
           return max;
           break;
         case SiStripPI::mean:
           return meanOfGains;
           break;
         case SiStripPI::rms:
           if ((rmsOfGains / nAPVs - meanOfGains * meanOfGains) > 0.) {
             return sqrt(rmsOfGains / nAPVs - meanOfGains * meanOfGains);
           } else {
             return 0.;
           }
           break;
         default:
           edm::LogWarning("LogicError") << "Unknown estimator: " << est;
           break;
       }
       return 0.;
     }  // payload
   };
 
   typedef SiStripApvGainProperties<SiStripPI::min> SiStripApvGainMin_History;
   typedef SiStripApvGainProperties<SiStripPI::max> SiStripApvGainMax_History;
   typedef SiStripApvGainProperties<SiStripPI::mean> SiStripApvGainMean_History;
   typedef SiStripApvGainProperties<SiStripPI::rms> SiStripApvGainRMS_History;
 
   /************************************************
     time history histogram of TIB SiStripApvGains 
   *************************************************/
 
   class SiStripApvTIBGainByRunMeans : public HistoryPlot<SiStripApvGain, float> {
   public:
     SiStripApvTIBGainByRunMeans()
         : HistoryPlot<SiStripApvGain, float>("SiStripApv Gains average",
                                              "average Tracker Inner Barrel APV gain value") {}
     ~SiStripApvTIBGainByRunMeans() override = default;
 
     float getFromPayload(SiStripApvGain& payload) override {
       std::vector<uint32_t> detid;
       payload.getDetIds(detid);
 
       float nAPVs = 0;
       float sumOfGains = 0;
 
       for (const auto& d : detid) {
         int subid = DetId(d).subdetId();
         if (subid != StripSubdetector::TIB)
           continue;
 
         SiStripApvGain::Range range = payload.getRange(d);
         for (int it = 0; it < range.second - range.first; it++) {
           nAPVs += 1;
           sumOfGains += payload.getApvGain(it, range);
         }  // loop over APVs
       }    // loop over detIds
 
       return sumOfGains / nAPVs;
 
     }  // payload
   };
 
   /************************************************
     time history histogram of TOB SiStripApvGains 
   *************************************************/
 
   class SiStripApvTOBGainByRunMeans : public HistoryPlot<SiStripApvGain, float> {
   public:
     SiStripApvTOBGainByRunMeans()
         : HistoryPlot<SiStripApvGain, float>("SiStripApv Gains average", "average Tracker Outer Barrel gain value") {}
     ~SiStripApvTOBGainByRunMeans() override = default;
 
     float getFromPayload(SiStripApvGain& payload) override {
       std::vector<uint32_t> detid;
       payload.getDetIds(detid);
 
       float nAPVs = 0;
       float sumOfGains = 0;
 
       for (const auto& d : detid) {
         int subid = DetId(d).subdetId();
         if (subid != StripSubdetector::TOB)
           continue;
 
         SiStripApvGain::Range range = payload.getRange(d);
         for (int it = 0; it < range.second - range.first; it++) {
           nAPVs += 1;
           sumOfGains += payload.getApvGain(it, range);
         }  // loop over APVs
       }    // loop over detIds
 
       return sumOfGains / nAPVs;
 
     }  // payload
   };
 
   /************************************************
     time history histogram of TID SiStripApvGains 
   *************************************************/
 
   class SiStripApvTIDGainByRunMeans : public HistoryPlot<SiStripApvGain, float> {
   public:
     SiStripApvTIDGainByRunMeans()
         : HistoryPlot<SiStripApvGain, float>("SiStripApv Gains average", "average Tracker Inner Disks APV gain value") {
     }
     ~SiStripApvTIDGainByRunMeans() override = default;
 
     float getFromPayload(SiStripApvGain& payload) override {
       std::vector<uint32_t> detid;
       payload.getDetIds(detid);
 
       float nAPVs = 0;
       float sumOfGains = 0;
       for (const auto& d : detid) {
         int subid = DetId(d).subdetId();
         if (subid != StripSubdetector::TID)
           continue;
 
         SiStripApvGain::Range range = payload.getRange(d);
         for (int it = 0; it < range.second - range.first; it++) {
           nAPVs += 1;
           sumOfGains += payload.getApvGain(it, range);
         }  // loop over APVs
       }    // loop over detIds
 
       return sumOfGains / nAPVs;
 
     }  // payload
   };
 
   /************************************************
     time history histogram of TEC SiStripApvGains 
   *************************************************/
 
   class SiStripApvTECGainByRunMeans : public HistoryPlot<SiStripApvGain, float> {
   public:
     SiStripApvTECGainByRunMeans()
         : HistoryPlot<SiStripApvGain, float>("SiStripApv Gains average in TEC",
                                              "average Tracker Endcaps APV gain value") {}
     ~SiStripApvTECGainByRunMeans() override = default;
 
     float getFromPayload(SiStripApvGain& payload) override {
       std::vector<uint32_t> detid;
       payload.getDetIds(detid);
 
       float nAPVs = 0;
       float sumOfGains = 0;
 
       for (const auto& d : detid) {
         int subid = DetId(d).subdetId();
         if (subid != StripSubdetector::TEC)
           continue;
 
         SiStripApvGain::Range range = payload.getRange(d);
         for (int it = 0; it < range.second - range.first; it++) {
           nAPVs += 1;
           sumOfGains += payload.getApvGain(it, range);
         }  // loop over APVs
       }    // loop over detIds
 
       return sumOfGains / nAPVs;
 
     }  // payload
   };
 
   /************************************************
     test class
   *************************************************/
 
   class SiStripApvGainsTest : public Histogram1D<SiStripApvGain, SINGLE_IOV> {
   public:
     SiStripApvGainsTest()
         : Histogram1D<SiStripApvGain, SINGLE_IOV>("SiStripApv Gains test", "SiStripApv Gains test", 10, 0.0, 10.0),
           m_trackerTopo{StandaloneTrackerTopology::fromTrackerParametersXMLFile(
               edm::FileInPath("Geometry/TrackerCommonData/data/trackerParameters.xml").fullPath())} {}
 
     bool fill() override {
       auto tag = PlotBase::getTag<0>();
       for (auto const& iov : tag.iovs) {
         std::shared_ptr<SiStripApvGain> payload = Base::fetchPayload(std::get<1>(iov));
         if (payload.get()) {
           std::vector<uint32_t> detid;
           payload->getDetIds(detid);
 
           SiStripDetSummary summaryGain{&m_trackerTopo};
 
           for (const auto& d : detid) {
             SiStripApvGain::Range range = payload->getRange(d);
             for (int it = 0; it < range.second - range.first; ++it) {
               summaryGain.add(d, payload->getApvGain(it, range));
               fillWithValue(payload->getApvGain(it, range));
             }
           }
           std::map<unsigned int, SiStripDetSummary::Values> map = summaryGain.getCounts();
 
           //SiStripPI::printSummary(map);
 
           std::stringstream ss;
           ss << "Summary of gain values:" << std::endl;
           summaryGain.print(ss, true);
           std::cout << ss.str() << std::endl;
 
         }  // payload
       }    // iovs
       return true;
     }  // fill
   private:
     TrackerTopology m_trackerTopo;
   };
 
   /************************************************
     Compare Gains from 2 IOVs, 2 pads canvas, firsr for ratio, second for scatter plot
   *************************************************/
 
   template <int ntags, IOVMultiplicity nIOVs>
   class SiStripApvGainsComparatorBase : public PlotImage<SiStripApvGain, nIOVs, ntags> {
   public:
     SiStripApvGainsComparatorBase() : PlotImage<SiStripApvGain, nIOVs, ntags>("SiStripGains Comparison") {}
 
     bool fill() override {
       // trick to deal with the multi-ioved tag and two tag case at the same time
       auto theIOVs = PlotBase::getTag<0>().iovs;
       auto tagname1 = PlotBase::getTag<0>().name;
       std::string tagname2 = "";
       auto firstiov = theIOVs.front();
       SiStripPI::MetaData lastiov;
 
       // we don't support (yet) comparison with more than 2 tags
       assert(this->m_plotAnnotations.ntags < 3);
 
       if (this->m_plotAnnotations.ntags == 2) {
         auto tag2iovs = PlotBase::getTag<1>().iovs;
         tagname2 = PlotBase::getTag<1>().name;
         lastiov = tag2iovs.front();
       } else {
         lastiov = theIOVs.back();
       }
 
       std::shared_ptr<SiStripApvGain> last_payload = this->fetchPayload(std::get<1>(lastiov));
       std::shared_ptr<SiStripApvGain> first_payload = this->fetchPayload(std::get<1>(firstiov));
 
       std::string lastIOVsince = std::to_string(std::get<0>(lastiov));
       std::string firstIOVsince = std::to_string(std::get<0>(firstiov));
 
       std::vector<uint32_t> detid;
       last_payload->getDetIds(detid);
 
       std::map<std::pair<uint32_t, int>, float> lastmap, firstmap;
 
       // loop on the last payload
       for (const auto& d : detid) {
         SiStripApvGain::Range range = last_payload->getRange(d);
         float Gain = 0;
         float nAPV = 0;
         for (int it = 0; it < range.second - range.first; ++it) {
           nAPV += 1;
           Gain = last_payload->getApvGain(it, range);
           std::pair<uint32_t, int> index = std::make_pair(d, nAPV);
           lastmap[index] = Gain;
         }  // end loop on APVs
       }    // end loop on detids
 
       detid.clear();
       first_payload->getDetIds(detid);
 
       // loop on the first payload
       for (const auto& d : detid) {
         SiStripApvGain::Range range = first_payload->getRange(d);
         float Gain = 0;
         float nAPV = 0;
         for (int it = 0; it < range.second - range.first; ++it) {
           nAPV += 1;
           Gain = first_payload->getApvGain(it, range);
           std::pair<uint32_t, int> index = std::make_pair(d, nAPV);
           firstmap[index] = Gain;
         }  // end loop on APVs
       }    // end loop on detids
 
       TCanvas canvas("Payload comparison", "payload comparison", 1400, 1000);
       canvas.Divide(2, 1);
 
       std::map<std::string, std::shared_ptr<TH1F>> ratios;
       std::map<std::string, std::shared_ptr<TH2F>> scatters;
       std::map<std::string, int> colormap;
       std::map<std::string, int> markermap;
       colormap["TIB"] = kRed;
       markermap["TIB"] = kFullCircle;
       colormap["TOB"] = kGreen;
       markermap["TOB"] = kFullTriangleUp;
       colormap["TID"] = kBlack;
       markermap["TID"] = kFullSquare;
       colormap["TEC"] = kBlue;
       markermap["TEC"] = kFullTriangleDown;
 
       std::vector<std::string> parts = {"TEC", "TOB", "TIB", "TID"};
 
       for (const auto& part : parts) {
         ratios[part] = std::make_shared<TH1F>(
             Form("hRatio_%s", part.c_str()),
             Form("Gains ratio IOV: %s/ IOV: %s ;Previous Gain (%s) / New Gain (%s);Number of APV",
                  firstIOVsince.c_str(),
                  lastIOVsince.c_str(),
                  firstIOVsince.c_str(),
                  lastIOVsince.c_str()),
             200,
             0.,
             2.);
         scatters[part] =
             std::make_shared<TH2F>(Form("hScatter_%s", part.c_str()),
                                    Form("new Gain (%s) vs previous Gain (%s);Previous Gain (%s);New Gain (%s)",
                                         lastIOVsince.c_str(),
                                         firstIOVsince.c_str(),
                                         firstIOVsince.c_str(),
                                         lastIOVsince.c_str()),
                                    100,
                                    0.5,
                                    1.8,
                                    100,
                                    0.5,
                                    1.8);
       }
 
       // now loop on the cached maps
       for (const auto& item : firstmap) {
         // packed index (detid,APV)
         auto index = item.first;
         auto mod = item.first.first;
 
         int subid = DetId(mod).subdetId();
         float ratio = firstmap[index] / lastmap[index];
 
         if (subid == StripSubdetector::TIB) {
           ratios["TIB"]->Fill(ratio);
           scatters["TIB"]->Fill(firstmap[index], lastmap[index]);
         }
 
         if (subid == StripSubdetector::TOB) {
           ratios["TOB"]->Fill(ratio);
           scatters["TOB"]->Fill(firstmap[index], lastmap[index]);
         }
 
         if (subid == StripSubdetector::TID) {
           ratios["TID"]->Fill(ratio);
           scatters["TID"]->Fill(firstmap[index], lastmap[index]);
         }
 
         if (subid == StripSubdetector::TEC) {
           ratios["TEC"]->Fill(ratio);
           scatters["TEC"]->Fill(firstmap[index], lastmap[index]);
         }
       }
 
       auto legend = TLegend(0.60, 0.8, 0.92, 0.95);
       legend.SetTextSize(0.05);
       canvas.cd(1)->SetLogy();
       canvas.cd(1)->SetTopMargin(0.05);
       canvas.cd(1)->SetLeftMargin(0.13);
       canvas.cd(1)->SetRightMargin(0.08);
 
       for (const auto& part : parts) {
         SiStripPI::makeNicePlotStyle(ratios[part].get());
         ratios[part]->SetMinimum(1.);
         ratios[part]->SetStats(false);
         ratios[part]->SetLineWidth(2);
         ratios[part]->SetLineColor(colormap[part]);
         if (part == "TEC")
           ratios[part]->Draw();
         else
           ratios[part]->Draw("same");
         legend.AddEntry(ratios[part].get(), part.c_str(), "L");
       }
 
       legend.Draw("same");
       SiStripPI::drawStatBox(ratios, colormap, parts);
 
       auto legend2 = TLegend(0.60, 0.8, 0.92, 0.95);
       legend2.SetTextSize(0.05);
       canvas.cd(2);
       canvas.cd(2)->SetTopMargin(0.05);
       canvas.cd(2)->SetLeftMargin(0.13);
       canvas.cd(2)->SetRightMargin(0.08);
 
       for (const auto& part : parts) {
         SiStripPI::makeNicePlotStyle(scatters[part].get());
         scatters[part]->SetStats(false);
         scatters[part]->SetMarkerColor(colormap[part]);
         scatters[part]->SetMarkerStyle(markermap[part]);
         scatters[part]->SetMarkerSize(0.5);
 
         auto temp = (TH2F*)(scatters[part]->Clone());
         temp->SetMarkerSize(1.3);
 
         if (part == "TEC")
           scatters[part]->Draw("P");
         else
           scatters[part]->Draw("Psame");
 
         legend2.AddEntry(temp, part.c_str(), "P");
       }
 
       TLine diagonal(0.5, 0.5, 1.8, 1.8);
       diagonal.SetLineWidth(3);
       diagonal.SetLineStyle(2);
       diagonal.Draw("same");
 
       legend2.Draw("same");
 
       std::string fileName(this->m_imageFileName);
       canvas.SaveAs(fileName.c_str());
 
       return true;
     }
   };
 
   using SiStripApvGainsComparatorSingleTag = SiStripApvGainsComparatorBase<1, MULTI_IOV>;
   using SiStripApvGainsComparatorTwoTags = SiStripApvGainsComparatorBase<2, SINGLE_IOV>;
 
   /************************************************
     Plot stack of gain by region
   *************************************************/
 
   class SiStripApvGainsTHStack : public PlotImage<SiStripApvGain, SINGLE_IOV> {
   public:
     SiStripApvGainsTHStack()
         : PlotImage<SiStripApvGain, SINGLE_IOV>("Stack of SiStrip APV gains values"),
           m_trackerTopo{StandaloneTrackerTopology::fromTrackerParametersXMLFile(
               edm::FileInPath("Geometry/TrackerCommonData/data/trackerParameters.xml").fullPath())} {}
 
     bool fill() override {
       //TH1F::SetDefaultSumw2(true);
       auto tag = PlotBase::getTag<0>();
       auto iov = tag.iovs.front();
 
       std::shared_ptr<SiStripApvGain> payload = this->fetchPayload(std::get<1>(iov));
       std::string IOVsince = std::to_string(std::get<0>(iov));
 
       std::map<partition, std::shared_ptr<TH1F>> h_gains;
 
       //std::vector< SiStripPI::TrackerRegion > regions;
       std::vector<partition> regions;
 
       std::vector<uint32_t> detid;
       payload->getDetIds(detid);
 
       // fill the vector of regions
       for (const auto& d : detid) {
         //auto region = this->getTheRegion(d);
         auto region = this->getThePartition(d);
         if (std::find(regions.begin(), regions.end(), region) == regions.end()) {
           regions.push_back(region);
         }
       }
 
       LogDebug("SiStripApvGainsTHStack") << "regions.size()=" << regions.size() << std::endl;
 
       for (const auto& r : regions) {
         //auto part = std::string(SiStripPI::regionType(r).second);
 
         auto part = std::string(this->partitionName(r));
 
         h_gains[r] = std::make_shared<TH1F>(Form("hGains_%s", part.c_str()),
                                             Form("Gains values for IOV: %s ;Gain;Number of APV", IOVsince.c_str()),
                                             100,
                                             0.5,
                                             1.5);
       }
 
       // loop on the payload
       for (const auto& d : detid) {
         //auto region = this->getTheRegion(d);
         auto region = this->getThePartition(d);
         SiStripApvGain::Range range = payload->getRange(d);
         for (int it = 0; it < range.second - range.first; ++it) {
           float gain = payload->getApvGain(it, range);
           h_gains[region]->Fill(gain);
         }  // end loop on APVs
       }    // end loop on detids
 
       TCanvas canvas("Payload breakout", "payload breakout", 1200, 800);
       canvas.Divide(2, 1);
 
       std::array<int, 6> colors = {{kRed, kBlue, kGreen, kCyan, 8, kMagenta}};
 
       THStack* hs = new THStack("hs", Form("Gains values for IOV: %s;Gain;Number of APV", IOVsince.c_str()));
       int colorCounter = 0;
       for (const auto& r : regions) {
         hs->Add(h_gains[r].get());
         SiStripPI::makeNicePlotStyle(h_gains[r].get());
         h_gains[r]->SetFillColor(colors[colorCounter]);
         //h_gains[r]->SetLineColor(colorCounter);
         h_gains[r]->SetLineWidth(2);
         colorCounter++;
       }
 
       TLegend legend = TLegend(0.60, 0.65, 0.95, 0.93);
       legend.SetTextSize(0.05);
       legend.SetHeader("Gain break-out", "C");  // option "C" allows to center the header
       for (const auto& r : regions) {
         auto part = std::string(this->partitionName(r));
         legend.AddEntry(h_gains[r].get(), part.c_str(), "F");
       }
 
       canvas.cd(1)->SetLogy();
       canvas.cd(1)->SetTopMargin(0.07);
       canvas.cd(1)->SetBottomMargin(0.10);
       canvas.cd(1)->SetLeftMargin(0.15);
       canvas.cd(1)->SetRightMargin(0.05);
       //      hs->Draw("NOSTACKB");
 
       int count(0);
       auto stack = hs->GetHists();
       double maximum = hs->GetMaximum("nostack");  //SiStripPI::getMaximum(stack);
 
       TLegend legend2 = TLegend(0.70, 0.65, 0.95, 0.93);
       legend2.SetTextSize(0.05);
       legend2.SetHeader("Partition", "C");  // option "C" allows to center the header
 
       for (const auto&& elem : *stack) {
         auto clone = (TH1F*)(elem->Clone(Form("hclone_%s", elem->GetName())));
         SiStripPI::makeNicePlotStyle(clone);
         clone->SetFillColor(0);
         clone->SetMarkerStyle(20);
         clone->SetLineColor(colors[count]);
         clone->SetMarkerColor(colors[count]);
         clone->SetMaximum(maximum * 10);
         TString candName = clone->GetName();
         legend2.AddEntry(clone, candName.ReplaceAll("hclone_hGains_", ""), "L");
         if (count == 0) {
           clone->Draw("HIST");
         } else {
           clone->Draw("HISTsame");
         }
         count++;
       }
 
       legend2.Draw("same");
 
       canvas.cd(2);  //->SetLogy();
       canvas.cd(2)->SetTopMargin(0.07);
       canvas.cd(2)->SetBottomMargin(0.10);
       canvas.cd(2)->SetLeftMargin(0.12);
       canvas.cd(2)->SetRightMargin(0.05);
       hs->Draw();
       // all graphics manipulations *after* drawing the stack!
       hs->GetYaxis()->SetMaxDigits(2);
       SiStripPI::makeNiceStyle<THStack>(hs);
       legend.Draw("same");
 
       std::string fileName(this->m_imageFileName);
       canvas.SaveAs(fileName.c_str());
 
       return true;
     }
 
   private:
     TrackerTopology m_trackerTopo;
     enum partition { TIB = 30, TIDP = 41, TIDM = 42, TOB = 50, TECP = 61, TECM = 62, END_OF_PARTS };
 
     const char* partitionName(partition part) {
       std::map<partition, const char*> mapping = {{partition::TIB, "TIB"},
                                                   {partition::TIDP, "TIPp"},
                                                   {partition::TIDM, "TIDm"},
                                                   {partition::TOB, "TOB"},
                                                   {partition::TECP, "TECp"},
                                                   {partition::TECM, "TECm"}};
 
       if (mapping.find(part) == mapping.end()) {
         throw cms::Exception("Invalid Partition passed");
       } else {
         return mapping[part];
       }
     }
 
     partition getThePartition(DetId detid) {
       int detNum = 0;
       int side = 0;
       switch (detid.subdetId()) {
         case StripSubdetector::TIB:
           detNum = 30;
           break;
         case StripSubdetector::TOB:
           detNum = 50;
           break;
         case StripSubdetector::TEC:
           // is this module in TEC+ or TEC-?
           side = m_trackerTopo.tecSide(detid);
           detNum = 60;
           break;
         case StripSubdetector::TID:
           // is this module in TID+ or TID-?
           side = m_trackerTopo.tidSide(detid);
           detNum = 40;
           break;
       }
 
       detNum += side;
       return static_cast<partition>(detNum);
     }
 
     SiStripPI::TrackerRegion getTheRegion(DetId detid) {
       int layer = 0;
       int stereo = 0;
       int detNum = 0;
 
       switch (detid.subdetId()) {
         case StripSubdetector::TIB:
           layer = m_trackerTopo.tibLayer(detid);
           stereo = m_trackerTopo.tibStereo(detid);
           detNum = 1000;
           break;
         case StripSubdetector::TOB:
           layer = m_trackerTopo.tobLayer(detid);
           stereo = m_trackerTopo.tobStereo(detid);
           detNum = 2000;
           break;
         case StripSubdetector::TEC:
           // is this module in TEC+ or TEC-?
           layer = m_trackerTopo.tecWheel(detid);
           stereo = m_trackerTopo.tecStereo(detid);
           detNum = 3000;
           break;
         case StripSubdetector::TID:
           // is this module in TID+ or TID-?
           layer = m_trackerTopo.tidWheel(detid);
           stereo = m_trackerTopo.tidStereo(detid);
           detNum = 4000;
           break;
       }
 
       detNum += layer * 10 + stereo;
       return static_cast<SiStripPI::TrackerRegion>(detNum);
     }
   };
 
   //*******************************************//
   // Compare Gains from 2 IOVs
   //******************************************//
 
   template <int ntags, IOVMultiplicity nIOVs>
   class SiStripApvGainsValuesComparatorBase : public PlotImage<SiStripApvGain, nIOVs, ntags> {
   public:
     SiStripApvGainsValuesComparatorBase()
         : PlotImage<SiStripApvGain, nIOVs, ntags>("Comparison of SiStrip APV gains values") {}
 
     bool fill() override {
       TH1F::SetDefaultSumw2(true);
 
       // trick to deal with the multi-ioved tag and two tag case at the same time
       auto theIOVs = PlotBase::getTag<0>().iovs;
       auto tagname1 = PlotBase::getTag<0>().name;
       std::string tagname2 = "";
       auto firstiov = theIOVs.front();
       SiStripPI::MetaData lastiov;
 
       // we don't support (yet) comparison with more than 2 tags
       assert(this->m_plotAnnotations.ntags < 3);
 
       if (this->m_plotAnnotations.ntags == 2) {
         auto tag2iovs = PlotBase::getTag<1>().iovs;
         tagname2 = PlotBase::getTag<1>().name;
         lastiov = tag2iovs.front();
       } else {
         lastiov = theIOVs.back();
       }
 
       std::shared_ptr<SiStripApvGain> last_payload = this->fetchPayload(std::get<1>(lastiov));
       std::shared_ptr<SiStripApvGain> first_payload = this->fetchPayload(std::get<1>(firstiov));
 
       std::string lastIOVsince = std::to_string(std::get<0>(lastiov));
       std::string firstIOVsince = std::to_string(std::get<0>(firstiov));
 
       std::vector<uint32_t> detid;
       last_payload->getDetIds(detid);
 
       std::map<std::pair<uint32_t, int>, float> lastmap, firstmap;
 
       // loop on the last payload
       for (const auto& d : detid) {
         SiStripApvGain::Range range = last_payload->getRange(d);
         float nAPV = 0;
         for (int it = 0; it < range.second - range.first; ++it) {
           nAPV += 1;
           auto index = std::make_pair(d, nAPV);
           lastmap[index] = last_payload->getApvGain(it, range);
         }  // end loop on APVs
       }    // end loop on detids
 
       detid.clear();
       first_payload->getDetIds(detid);
 
       // loop on the first payload
       for (const auto& d : detid) {
         SiStripApvGain::Range range = first_payload->getRange(d);
         float nAPV = 0;
         for (int it = 0; it < range.second - range.first; ++it) {
           nAPV += 1;
           auto index = std::make_pair(d, nAPV);
           firstmap[index] = last_payload->getApvGain(it, range);
         }  // end loop on APVs
       }    // end loop on detids
 
       TCanvas canvas("Payload comparison", "payload comparison", 1000, 1000);
       canvas.cd();
 
       TPad pad1("pad1", "pad1", 0, 0.3, 1, 1.0);
       pad1.SetBottomMargin(0.02);  // Upper and lower plot are joined
       pad1.SetTopMargin(0.07);
       pad1.SetRightMargin(0.05);
       pad1.SetLeftMargin(0.15);
       pad1.Draw();  // Draw the upper pad: pad1
       pad1.cd();    // pad1 becomes the current pad
 
       auto h_firstGains =
           std::make_shared<TH1F>("hFirstGains", "SiStrip APV gains values; APV Gains;n. APVs", 200, 0.2, 1.8);
       auto h_lastGains =
           std::make_shared<TH1F>("hLastGains", "SiStrip APV gains values; APV Gains;n. APVs", 200, 0.2, 1.8);
 
       for (const auto& item : firstmap) {
         h_firstGains->Fill(item.second);
       }
 
       for (const auto& item : lastmap) {
         h_lastGains->Fill(item.second);
       }
 
       SiStripPI::makeNicePlotStyle(h_lastGains.get());
       SiStripPI::makeNicePlotStyle(h_firstGains.get());
 
       TH1F* hratio = (TH1F*)h_firstGains->Clone("hratio");
 
       h_firstGains->SetLineColor(kRed);
       h_lastGains->SetLineColor(kBlue);
 
       h_firstGains->SetMarkerColor(kRed);
       h_lastGains->SetMarkerColor(kBlue);
 
       h_firstGains->SetMarkerSize(1.);
       h_lastGains->SetMarkerSize(1.);
 
       h_firstGains->SetLineWidth(1);
       h_lastGains->SetLineWidth(1);
 
       h_firstGains->SetMarkerStyle(20);
       h_lastGains->SetMarkerStyle(21);
 
       h_firstGains->GetXaxis()->SetLabelOffset(2.);
       h_lastGains->GetXaxis()->SetLabelOffset(2.);
 
       h_firstGains->Draw("HIST");
       h_lastGains->Draw("HISTsame");
 
       TLegend legend = TLegend(0.70, 0.7, 0.95, 0.9);
       legend.SetHeader("Gain Comparison", "C");  // option "C" allows to center the header
       legend.AddEntry(h_firstGains.get(), ("IOV: " + std::to_string(std::get<0>(firstiov))).c_str(), "PL");
       legend.AddEntry(h_lastGains.get(), ("IOV: " + std::to_string(std::get<0>(lastiov))).c_str(), "PL");
       legend.Draw("same");
 
       // lower plot will be in pad
       canvas.cd();  // Go back to the main canvas before defining pad2
       TPad pad2("pad2", "pad2", 0, 0.005, 1, 0.3);
       pad2.SetTopMargin(0.01);
       pad2.SetBottomMargin(0.2);
       pad2.SetRightMargin(0.05);
       pad2.SetLeftMargin(0.15);
       pad2.SetGridy();  // horizontal grid
       pad2.Draw();
       pad2.cd();  // pad2 becomes the current pad
 
       // Define the ratio plot
       hratio->SetLineColor(kBlack);
       hratio->SetMarkerColor(kBlack);
       hratio->SetTitle("");
       hratio->SetMinimum(0.55);  // Define Y ..
       hratio->SetMaximum(1.55);  // .. range
       hratio->SetStats(false);   // No statistics on lower plot
       hratio->Divide(h_lastGains.get());
       hratio->SetMarkerStyle(20);
       hratio->Draw("ep");  // Draw the ratio plot
 
       // Y axis ratio plot settings
       hratio->GetYaxis()->SetTitle(
           ("ratio " + std::to_string(std::get<0>(firstiov)) + " / " + std::to_string(std::get<0>(lastiov))).c_str());
 
       hratio->GetYaxis()->SetNdivisions(505);
 
       SiStripPI::makeNicePlotStyle(hratio);
 
       hratio->GetYaxis()->SetTitleSize(25);
       hratio->GetXaxis()->SetLabelSize(25);
 
       hratio->GetYaxis()->SetTitleFont(43);
       hratio->GetYaxis()->SetTitleOffset(2.5);
       hratio->GetYaxis()->SetLabelFont(43);  // Absolute font size in pixel (precision 3)
       hratio->GetYaxis()->SetLabelSize(25);
 
       // X axis ratio plot settings
       hratio->GetXaxis()->SetTitleSize(30);
       hratio->GetXaxis()->SetTitleFont(43);
       hratio->GetXaxis()->SetTitle("SiStrip APV Gains");
       hratio->GetXaxis()->SetLabelFont(43);  // Absolute font size in pixel (precision 3)
       hratio->GetXaxis()->SetTitleOffset(3.);
 
       std::string fileName(this->m_imageFileName);
       canvas.SaveAs(fileName.c_str());
 
       return true;
     }
   };
 
   using SiStripApvGainsValuesComparatorSingleTag = SiStripApvGainsValuesComparatorBase<1, MULTI_IOV>;
   using SiStripApvGainsValuesComparatorTwoTags = SiStripApvGainsValuesComparatorBase<2, SINGLE_IOV>;
 
   //*******************************************//
   // Compare Gains ratio from 2 IOVs, region by region
   //******************************************//
 
   template <int ntags, IOVMultiplicity nIOVs>
   class SiStripApvGainsRatioComparatorByRegionBase : public PlotImage<SiStripApvGain, nIOVs, ntags> {
   public:
     SiStripApvGainsRatioComparatorByRegionBase()
         : PlotImage<SiStripApvGain, nIOVs, ntags>("Module by Module Comparison of SiStrip APV gains"),
           m_trackerTopo{StandaloneTrackerTopology::fromTrackerParametersXMLFile(
               edm::FileInPath("Geometry/TrackerCommonData/data/trackerParameters.xml").fullPath())} {}
 
     bool fill() override {
       //gStyle->SetPalette(5);
       SiStripPI::setPaletteStyle(SiStripPI::GRAY);
 
       // trick to deal with the multi-ioved tag and two tag case at the same time
       auto theIOVs = PlotBase::getTag<0>().iovs;
       auto tagname1 = PlotBase::getTag<0>().name;
       std::string tagname2 = "";
       auto firstiov = theIOVs.front();
       SiStripPI::MetaData lastiov;
 
       // we don't support (yet) comparison with more than 2 tags
       assert(this->m_plotAnnotations.ntags < 3);
 
       if (this->m_plotAnnotations.ntags == 2) {
         auto tag2iovs = PlotBase::getTag<1>().iovs;
         tagname2 = PlotBase::getTag<1>().name;
         lastiov = tag2iovs.front();
       } else {
         lastiov = theIOVs.back();
       }
 
       std::shared_ptr<SiStripApvGain> last_payload = this->fetchPayload(std::get<1>(lastiov));
       std::shared_ptr<SiStripApvGain> first_payload = this->fetchPayload(std::get<1>(firstiov));
 
       std::string lastIOVsince = std::to_string(std::get<0>(lastiov));
       std::string firstIOVsince = std::to_string(std::get<0>(firstiov));
 
       std::vector<uint32_t> detid;
       last_payload->getDetIds(detid);
 
       std::map<std::pair<uint32_t, int>, float> lastmap, firstmap;
 
       // loop on the last payload
       for (const auto& d : detid) {
         SiStripApvGain::Range range = last_payload->getRange(d);
         float Gain = 0;
         float nAPV = 0;
         for (int it = 0; it < range.second - range.first; ++it) {
           nAPV += 1;
           Gain = last_payload->getApvGain(it, range);
           std::pair<uint32_t, int> index = std::make_pair(d, nAPV);
           lastmap[index] = Gain;
         }  // end loop on APVs
       }    // end loop on detids
 
       detid.clear();
       first_payload->getDetIds(detid);
 
       // loop on the first payload
       for (const auto& d : detid) {
         SiStripApvGain::Range range = first_payload->getRange(d);
         float Gain = 0;
         float nAPV = 0;
         for (int it = 0; it < range.second - range.first; ++it) {
           nAPV += 1;
           Gain = first_payload->getApvGain(it, range);
           std::pair<uint32_t, int> index = std::make_pair(d, nAPV);
           firstmap[index] = Gain;
         }  // end loop on APVs
       }    // end loop on detids
 
       TCanvas canvas("Payload comparison by Tracker Region", "payload comparison by Tracker Region", 1800, 800);
       canvas.Divide(2, 1);
 
       auto h2first = std::make_unique<TH2F>(
           "byRegion1", "SiStrip APV Gain values by region;; average SiStrip Gain", 38, 1., 39., 100., 0., 2.);
       auto h2last = std::make_unique<TH2F>(
           "byRegion2", "SiStrip APV Gain values by region;; average SiStrip Gain", 38, 1., 39., 100., 0., 2.);
 
       auto h2ratio = std::make_unique<TH2F>("byRegionRatio",
                                             Form("SiStrip APV Gains ratio by region;; Gains ratio IOV: %s/ IOV %s",
                                                  lastIOVsince.c_str(),
                                                  firstIOVsince.c_str()),
                                             38,
                                             1.,
                                             39.,
                                             100.,
                                             0.85,
                                             1.15);
 
       h2first->SetStats(false);
       h2last->SetStats(false);
       h2ratio->SetStats(false);
 
       canvas.cd(1)->SetBottomMargin(0.18);
       canvas.cd(1)->SetLeftMargin(0.12);
       canvas.cd(1)->SetRightMargin(0.05);
       canvas.Modified();
 
       std::vector<int> boundaries;
       std::string detector;
       std::string currentDetector;
 
       for (const auto& element : lastmap) {
         auto region = this->getTheRegion(element.first.first);
         auto bin = SiStripPI::regionType(region).first;
         auto label = SiStripPI::regionType(region).second;
 
         h2last->Fill(bin, element.second);
         h2last->GetXaxis()->SetBinLabel(bin, label);
         h2ratio->Fill(bin, element.second / firstmap[element.first]);
         h2ratio->GetXaxis()->SetBinLabel(bin, label);
       }
 
       for (const auto& element : firstmap) {
         auto region = this->getTheRegion(element.first.first);
         auto bin = SiStripPI::regionType(region).first;
         auto label = SiStripPI::regionType(region).second;
 
         h2first->Fill(bin, element.second);
         h2first->GetXaxis()->SetBinLabel(bin, label);
       }
 
       h2first->GetXaxis()->LabelsOption("v");
       h2last->GetXaxis()->LabelsOption("v");
       h2ratio->GetXaxis()->LabelsOption("v");
 
       h2last->SetLineColor(kBlue);
       h2first->SetLineColor(kRed);
       h2first->SetFillColor(kRed);
 
       h2first->SetMarkerStyle(20);
       h2last->SetMarkerStyle(21);
 
       h2first->SetMarkerColor(kRed);
       h2last->SetMarkerColor(kBlue);
 
       canvas.cd(1);
       h2first->Draw("BOX");
       h2last->Draw("BOXsame");
 
       TLegend legend = TLegend(0.70, 0.8, 0.95, 0.9);
       legend.SetHeader("Gain Comparison", "C");  // option "C" allows to center the header
       legend.AddEntry(h2first.get(), ("IOV: " + std::to_string(std::get<0>(firstiov))).c_str(), "F");
       legend.AddEntry(h2last.get(), ("IOV: " + std::to_string(std::get<0>(lastiov))).c_str(), "F");
       legend.Draw("same");
 
       canvas.cd(2);
       canvas.cd(2)->SetBottomMargin(0.18);
       canvas.cd(2)->SetLeftMargin(0.12);
       canvas.cd(2)->SetRightMargin(0.12);
 
       h2ratio->Draw("COLZ");
       auto hpfx_tmp = (TProfile*)(h2ratio->ProfileX("_pfx", 1, -1, "o"));
       hpfx_tmp->SetStats(kFALSE);
       hpfx_tmp->SetMarkerColor(kRed);
       hpfx_tmp->SetLineColor(kRed);
       hpfx_tmp->SetMarkerSize(1.2);
       hpfx_tmp->SetMarkerStyle(20);
       hpfx_tmp->Draw("same");
 
       std::string fileName(this->m_imageFileName);
       canvas.SaveAs(fileName.c_str());
 
       delete hpfx_tmp;
       return true;
     }
 
   private:
     TrackerTopology m_trackerTopo;
 
     SiStripPI::TrackerRegion getTheRegion(DetId detid) {
       int layer = 0;
       int stereo = 0;
       int detNum = 0;
 
       switch (detid.subdetId()) {
         case StripSubdetector::TIB:
           layer = m_trackerTopo.tibLayer(detid);
           stereo = m_trackerTopo.tibStereo(detid);
           detNum = 1000;
           break;
         case StripSubdetector::TOB:
           layer = m_trackerTopo.tobLayer(detid);
           stereo = m_trackerTopo.tobStereo(detid);
           detNum = 2000;
           break;
         case StripSubdetector::TEC:
           // is this module in TEC+ or TEC-?
           layer = m_trackerTopo.tecWheel(detid);
           stereo = m_trackerTopo.tecStereo(detid);
           detNum = 3000;
           break;
         case StripSubdetector::TID:
           // is this module in TID+ or TID-?
           layer = m_trackerTopo.tidWheel(detid);
           stereo = m_trackerTopo.tidStereo(detid);
           detNum = 4000;
           break;
       }
 
       detNum += layer * 10 + stereo;
       return static_cast<SiStripPI::TrackerRegion>(detNum);
     }
   };
 
   using SiStripApvGainsRatioComparatorByRegionSingleTag = SiStripApvGainsRatioComparatorByRegionBase<1, MULTI_IOV>;
   using SiStripApvGainsRatioComparatorByRegionTwoTags = SiStripApvGainsRatioComparatorByRegionBase<2, SINGLE_IOV>;
 
   /************************************************
     Compare Gains for each tracker region
   *************************************************/
 
   template <int ntags, IOVMultiplicity nIOVs>
   class SiStripApvGainsComparatorByRegionBase : public PlotImage<SiStripApvGain, nIOVs, ntags> {
   public:
     SiStripApvGainsComparatorByRegionBase()
         : PlotImage<SiStripApvGain, nIOVs, ntags>("SiStripGains Comparison By Region"),
           m_trackerTopo{StandaloneTrackerTopology::fromTrackerParametersXMLFile(
               edm::FileInPath("Geometry/TrackerCommonData/data/trackerParameters.xml").fullPath())} {}
 
     bool fill() override {
       // trick to deal with the multi-ioved tag and two tag case at the same time
       auto theIOVs = PlotBase::getTag<0>().iovs;
       auto tagname1 = PlotBase::getTag<0>().name;
       std::string tagname2 = "";
       auto firstiov = theIOVs.front();
       SiStripPI::MetaData lastiov;
 
       // we don't support (yet) comparison with more than 2 tags
       assert(this->m_plotAnnotations.ntags < 3);
 
       if (this->m_plotAnnotations.ntags == 2) {
         auto tag2iovs = PlotBase::getTag<1>().iovs;
         tagname2 = PlotBase::getTag<1>().name;
         lastiov = tag2iovs.front();
       } else {
         lastiov = theIOVs.back();
       }
 
       std::shared_ptr<SiStripApvGain> last_payload = this->fetchPayload(std::get<1>(lastiov));
       std::shared_ptr<SiStripApvGain> first_payload = this->fetchPayload(std::get<1>(firstiov));
 
       std::vector<uint32_t> detid;
       last_payload->getDetIds(detid);
 
       SiStripDetSummary summaryLastGain{&m_trackerTopo};
 
       for (const auto& d : detid) {
         SiStripApvGain::Range range = last_payload->getRange(d);
         for (int it = 0; it < range.second - range.first; ++it) {
           summaryLastGain.add(d, last_payload->getApvGain(it, range));
         }
       }
 
       SiStripDetSummary summaryFirstGain{&m_trackerTopo};
 
       for (const auto& d : detid) {
         SiStripApvGain::Range range = first_payload->getRange(d);
         for (int it = 0; it < range.second - range.first; ++it) {
           summaryFirstGain.add(d, first_payload->getApvGain(it, range));
         }
       }
 
       std::map<unsigned int, SiStripDetSummary::Values> firstmap = summaryFirstGain.getCounts();
       std::map<unsigned int, SiStripDetSummary::Values> lastmap = summaryLastGain.getCounts();
       //=========================
 
       TCanvas canvas("Region summary", "region summary", 1200, 1000);
       canvas.cd();
 
       auto hfirst = std::make_unique<TH1F>("byRegion1",
                                            "SiStrip APV Gain average by region;; average SiStrip Gain",
                                            firstmap.size(),
                                            0.,
                                            firstmap.size());
       auto hlast = std::make_unique<TH1F>(
           "byRegion2", "SiStrip APV Gain average by region;; average SiStrip Gain", lastmap.size(), 0., lastmap.size());
 
       hfirst->SetStats(false);
       hlast->SetStats(false);
 
       canvas.SetBottomMargin(0.18);
       canvas.SetLeftMargin(0.12);
       canvas.SetRightMargin(0.05);
       canvas.Modified();
 
       std::vector<int> boundaries;
       unsigned int iBin = 0;
 
       std::string detector;
       std::string currentDetector;
 
       for (const auto& element : lastmap) {
         iBin++;
         int count = element.second.count;
         double mean = (element.second.mean) / count;
 
         if (currentDetector.empty())
           currentDetector = "TIB";
 
         switch ((element.first) / 1000) {
           case 1:
             detector = "TIB";
             break;
           case 2:
             detector = "TOB";
             break;
           case 3:
             detector = "TEC";
             break;
           case 4:
             detector = "TID";
             break;
         }
 
         hlast->SetBinContent(iBin, mean);
         hlast->SetBinError(iBin, mean / 10000.);
         hlast->GetXaxis()->SetBinLabel(iBin, SiStripPI::regionType(element.first).second);
         hlast->GetXaxis()->LabelsOption("v");
 
         if (detector != currentDetector) {
           boundaries.push_back(iBin);
           currentDetector = detector;
         }
       }
 
       // reset the count
       iBin = 0;
 
       for (const auto& element : firstmap) {
         iBin++;
         int count = element.second.count;
         double mean = (element.second.mean) / count;
 
         hfirst->SetBinContent(iBin, mean);
         hfirst->SetBinError(iBin, mean / 10000.);
         hfirst->GetXaxis()->SetBinLabel(iBin, SiStripPI::regionType(element.first).second);
         hfirst->GetXaxis()->LabelsOption("v");
       }
 
       auto extrema = SiStripPI::getExtrema(hfirst.get(), hlast.get());
       hlast->GetYaxis()->SetRangeUser(extrema.first, extrema.second);
 
       hlast->SetMarkerStyle(20);
       hlast->SetMarkerSize(1);
       hlast->Draw("E1");
       hlast->Draw("Psame");
 
       hfirst->SetMarkerStyle(18);
       hfirst->SetMarkerSize(1);
       hfirst->SetLineColor(kBlue);
       hfirst->SetMarkerColor(kBlue);
       hfirst->Draw("E1same");
       hfirst->Draw("Psame");
 
       canvas.Update();
       canvas.cd();
 
       TLine l[boundaries.size()];
       unsigned int i = 0;
       for (const auto& line : boundaries) {
         l[i] = TLine(
             hfirst->GetBinLowEdge(line), canvas.cd()->GetUymin(), hfirst->GetBinLowEdge(line), canvas.cd()->GetUymax());
         l[i].SetLineWidth(1);
         l[i].SetLineStyle(9);
         l[i].SetLineColor(2);
         l[i].Draw("same");
         i++;
       }
 
       TLegend legend = TLegend(0.70, 0.8, 0.95, 0.9);
       legend.SetHeader("Gain Comparison", "C");  // option "C" allows to center the header
       legend.AddEntry(hfirst.get(), ("IOV: " + std::to_string(std::get<0>(firstiov))).c_str(), "PL");
       legend.AddEntry(hlast.get(), ("IOV: " + std::to_string(std::get<0>(lastiov))).c_str(), "PL");
       legend.Draw("same");
 
       std::string fileName(this->m_imageFileName);
       canvas.SaveAs(fileName.c_str());
 
       return true;
     }
 
   private:
     TrackerTopology m_trackerTopo;
   };
 
   using SiStripApvGainsComparatorByRegionSingleTag = SiStripApvGainsComparatorByRegionBase<1, MULTI_IOV>;
   using SiStripApvGainsComparatorByRegionTwoTags = SiStripApvGainsComparatorByRegionBase<2, SINGLE_IOV>;
 
   /************************************************
     Plot gain averages by region 
   *************************************************/
 
   class SiStripApvGainsByRegion : public PlotImage<SiStripApvGain, SINGLE_IOV> {
   public:
     SiStripApvGainsByRegion()
         : PlotImage<SiStripApvGain, SINGLE_IOV>("SiStripGains By Region"),
           m_trackerTopo{StandaloneTrackerTopology::fromTrackerParametersXMLFile(
               edm::FileInPath("Geometry/TrackerCommonData/data/trackerParameters.xml").fullPath())} {}
 
     bool fill() override {
       auto tag = PlotBase::getTag<0>();
       auto iov = tag.iovs.front();
       std::shared_ptr<SiStripApvGain> payload = fetchPayload(std::get<1>(iov));
 
       std::vector<uint32_t> detid;
       payload->getDetIds(detid);
 
       SiStripDetSummary summaryGain{&m_trackerTopo};
 
       for (const auto& d : detid) {
         SiStripApvGain::Range range = payload->getRange(d);
         for (int it = 0; it < range.second - range.first; ++it) {
           summaryGain.add(d, payload->getApvGain(it, range));
         }
       }
 
       std::map<unsigned int, SiStripDetSummary::Values> map = summaryGain.getCounts();
       //=========================
 
       TCanvas canvas("Region summary", "region summary", 1200, 1000);
       canvas.cd();
       auto h1 = std::make_unique<TH1F>(
           "byRegion", "SiStrip Gain average by region;; average SiStrip Gain", map.size(), 0., map.size());
       h1->SetStats(false);
       canvas.SetBottomMargin(0.18);
       canvas.SetLeftMargin(0.12);
       canvas.SetRightMargin(0.05);
       canvas.Modified();
 
       std::vector<int> boundaries;
       unsigned int iBin = 0;
 
       std::string detector;
       std::string currentDetector;
 
       for (const auto& element : map) {
         iBin++;
         int count = element.second.count;
         double mean = (element.second.mean) / count;
 
         if (currentDetector.empty())
           currentDetector = "TIB";
 
         switch ((element.first) / 1000) {
           case 1:
             detector = "TIB";
             break;
           case 2:
             detector = "TOB";
             break;
           case 3:
             detector = "TEC";
             break;
           case 4:
             detector = "TID";
             break;
         }
 
         h1->SetBinContent(iBin, mean);
         h1->GetXaxis()->SetBinLabel(iBin, SiStripPI::regionType(element.first).second);
         h1->GetXaxis()->LabelsOption("v");
 
         if (detector != currentDetector) {
           boundaries.push_back(iBin);
           currentDetector = detector;
         }
       }
 
       h1->SetMarkerStyle(20);
       h1->SetMarkerSize(1);
       h1->Draw("HIST");
       h1->Draw("Psame");
 
       canvas.Update();
 
       TLine l[boundaries.size()];
       unsigned int i = 0;
       for (const auto& line : boundaries) {
         l[i] = TLine(h1->GetBinLowEdge(line), canvas.GetUymin(), h1->GetBinLowEdge(line), canvas.GetUymax());
         l[i].SetLineWidth(1);
         l[i].SetLineStyle(9);
         l[i].SetLineColor(2);
         l[i].Draw("same");
         i++;
       }
 
       TLegend legend = TLegend(0.52, 0.82, 0.95, 0.9);
       legend.SetHeader((std::get<1>(iov)).c_str(), "C");  // option "C" allows to center the header
       legend.AddEntry(h1.get(), ("IOV: " + std::to_string(std::get<0>(iov))).c_str(), "PL");
       legend.SetTextSize(0.025);
       legend.Draw("same");
 
       std::string fileName(m_imageFileName);
       canvas.SaveAs(fileName.c_str());
 
       return true;
     }
 
   private:
     TrackerTopology m_trackerTopo;
   };
 
 }  // namespace
 
 // Register the classes as boost python plugin
 PAYLOAD_INSPECTOR_MODULE(SiStripApvGain) {
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainsValue);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainTest);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainByPartition);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainCompareByPartition);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainRatioByPartition);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainDiffByPartition);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainsTest);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainsByRegion);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainsComparatorSingleTag);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainsComparatorTwoTags);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainsValuesComparatorSingleTag);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainsValuesComparatorTwoTags);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainsComparatorByRegionSingleTag);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainsComparatorByRegionTwoTags);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainsRatioComparatorByRegionSingleTag);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainsRatioComparatorByRegionTwoTags);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainsTHStack);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvBarrelGainsByLayer);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvAbsoluteBarrelGainsByLayer);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvEndcapMinusGainsByDisk);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvEndcapPlusGainsByDisk);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvAbsoluteEndcapMinusGainsByDisk);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvAbsoluteEndcapPlusGainsByDisk);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainsAverageTrackerMap);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainsDefaultTrackerMap);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainsMaximumTrackerMap);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainsMinimumTrackerMap);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainsAvgDeviationRatioWithPreviousIOVTrackerMap);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainsAvgDeviationRatioTrackerMapTwoTags);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainsMaxDeviationRatioWithPreviousIOVTrackerMap);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainsMaxDeviationRatioTrackerMapTwoTags);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainByRunMeans);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainMin_History);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainMax_History);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainMean_History);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvGainRMS_History);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvTIBGainByRunMeans);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvTIDGainByRunMeans);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvTOBGainByRunMeans);
   PAYLOAD_INSPECTOR_CLASS(SiStripApvTECGainByRunMeans);
 }