/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_5/src/DQM/SiPixelMonitorTrack/src/SiPixelHitEfficiencySource.cc

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// Package:    SiPixelMonitorTrack
// Class:      SiPixelHitEfficiencySource
// 
// class SiPixelHitEfficiencyModule SiPixelHitEfficiencyModule.cc 
//       DQM/SiPixelMonitorTrack/src/SiPixelHitEfficiencyModule.cc
//
// Description: SiPixel hit efficiency data quality monitoring modules
// Implementation: prototype -> improved -> never final - end of the 1st step 
//
// Original Authors: Romain Rougny & Luca Mucibello
//         Created: Mar Nov 10 13:29:00 CET 2009


#include <iostream>
#include <map>
#include <string>
#include <vector>
#include <utility>

#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/Framework/interface/ESHandle.h"

#include "DataFormats/Common/interface/Handle.h"
#include "DataFormats/TrackCandidate/interface/TrackCandidateCollection.h"

#include "DataFormats/TrackerCommon/interface/TrackerTopology.h"
#include "Geometry/Records/interface/IdealGeometryRecord.h"
#include "DataFormats/SiPixelDetId/interface/PixelSubdetector.h"
#include "DataFormats/DetId/interface/DetId.h"
#include "DataFormats/SiPixelDetId/interface/PixelBarrelName.h"
#include "DataFormats/SiPixelDetId/interface/PixelEndcapName.h"

#include "DataFormats/TrackingRecHit/interface/TrackingRecHitFwd.h"
#include "DataFormats/VertexReco/interface/Vertex.h"
#include "DataFormats/VertexReco/interface/VertexFwd.h"

#include "Geometry/TrackerGeometryBuilder/interface/PixelGeomDetUnit.h"

#include "RecoTracker/TransientTrackingRecHit/interface/TkTransientTrackingRecHitBuilder.h"
#include "RecoLocalTracker/ClusterParameterEstimator/interface/PixelClusterParameterEstimator.h"
//#include "RecoLocalTracker/SiPixelRecHits/plugins/PixelCPEGenericESProducer.h"

#include "TrackingTools/TrackFitters/interface/TrajectoryFitter.h"
#include "TrackingTools/Records/interface/TransientRecHitRecord.h"
#include "TrackingTools/Records/interface/TrackingComponentsRecord.h"
#include "TrackingTools/TrackFitters/interface/TrajectoryStateCombiner.h"
#include "TrackingTools/TrajectoryState/interface/TrajectoryStateTransform.h"
#include "TrackingTools/PatternTools/interface/Trajectory.h"
#include "TrackingTools/PatternTools/interface/TrajTrackAssociation.h"
#include "TrackingTools/TransientTrack/interface/TransientTrack.h"
#include "TrackingTools/TrackAssociator/interface/TrackDetectorAssociator.h"
#include "TrackingTools/MeasurementDet/interface/LayerMeasurements.h"

#include "DQMServices/Core/interface/DQMStore.h"
#include "DQM/SiPixelCommon/interface/SiPixelFolderOrganizer.h"
#include "DQM/SiPixelMonitorTrack/interface/SiPixelHitEfficiencySource.h"


using namespace std;
using namespace edm;


SiPixelHitEfficiencySource::SiPixelHitEfficiencySource(const edm::ParameterSet& pSet) :
  pSet_(pSet),
  modOn( pSet.getUntrackedParameter<bool>("modOn",true) ),
  ladOn( pSet.getUntrackedParameter<bool>("ladOn",false) ), 
  layOn( pSet.getUntrackedParameter<bool>("layOn",false) ), 
  phiOn( pSet.getUntrackedParameter<bool>("phiOn",false) ), 
  ringOn( pSet.getUntrackedParameter<bool>("ringOn",false) ), 
  bladeOn( pSet.getUntrackedParameter<bool>("bladeOn",false) ), 
  diskOn( pSet.getUntrackedParameter<bool>("diskOn",false) )
  //updateEfficiencies( pSet.getUntrackedParameter<bool>("updateEfficiencies",false) )
 { 
   pSet_ = pSet; 
   debug_ = pSet_.getUntrackedParameter<bool>("debug", false); 
   tracksrc_ = pSet_.getParameter<edm::InputTag>("trajectoryInput");
   applyEdgeCut_ = pSet_.getUntrackedParameter<bool>("applyEdgeCut");
   nSigma_EdgeCut_ = pSet_.getUntrackedParameter<double>("nSigma_EdgeCut");
   dbe_ = edm::Service<DQMStore>().operator->();

  LogInfo("PixelDQM") << "SiPixelHitEfficiencySource constructor" << endl;
  LogInfo ("PixelDQM") << "Mod/Lad/Lay/Phi " << modOn << "/" << ladOn << "/" 
            << layOn << "/" << phiOn << std::endl;
  LogInfo ("PixelDQM") << "Blade/Disk/Ring" << bladeOn << "/" << diskOn << "/" 
            << ringOn << std::endl;
}


SiPixelHitEfficiencySource::~SiPixelHitEfficiencySource() {
  LogInfo("PixelDQM") << "SiPixelHitEfficiencySource destructor" << endl;

  std::map<uint32_t,SiPixelHitEfficiencyModule*>::iterator struct_iter;
  for (struct_iter = theSiPixelStructure.begin() ; struct_iter != theSiPixelStructure.end() ; struct_iter++){
    delete struct_iter->second;
    struct_iter->second = 0;
  }
}

void SiPixelHitEfficiencySource::beginJob() {
  LogInfo("PixelDQM") << "SiPixelHitEfficiencySource beginJob()" << endl;
  firstRun = true;
}

void SiPixelHitEfficiencySource::beginRun(const edm::Run& r, edm::EventSetup const& iSetup) {
  LogInfo("PixelDQM") << "SiPixelHitEfficiencySource beginRun()" << endl;
  
  if(firstRun){
  // retrieve TrackerGeometry for pixel dets
  edm::ESHandle<TrackerGeometry> TG;
  iSetup.get<TrackerDigiGeometryRecord>().get(TG);
  if (debug_) LogVerbatim("PixelDQM") << "TrackerGeometry "<< &(*TG) <<" size is "<< TG->dets().size() << endl;
 
  // build theSiPixelStructure with the pixel barrel and endcap dets from TrackerGeometry
  for (TrackerGeometry::DetContainer::const_iterator pxb = TG->detsPXB().begin();  
       pxb!=TG->detsPXB().end(); pxb++) {
    if (dynamic_cast<PixelGeomDetUnit*>((*pxb))!=0) {
      SiPixelHitEfficiencyModule* module = new SiPixelHitEfficiencyModule((*pxb)->geographicalId().rawId());
      theSiPixelStructure.insert(pair<uint32_t, SiPixelHitEfficiencyModule*>((*pxb)->geographicalId().rawId(), module));
    }
  }
  for (TrackerGeometry::DetContainer::const_iterator pxf = TG->detsPXF().begin(); 
       pxf!=TG->detsPXF().end(); pxf++) {
    if (dynamic_cast<PixelGeomDetUnit*>((*pxf))!=0) {
      SiPixelHitEfficiencyModule* module = new SiPixelHitEfficiencyModule((*pxf)->geographicalId().rawId());
      theSiPixelStructure.insert(pair<uint32_t, SiPixelHitEfficiencyModule*>((*pxf)->geographicalId().rawId(), module));
    }
  }
  LogInfo("PixelDQM") << "SiPixelStructure size is " << theSiPixelStructure.size() << endl;

  // book residual histograms in theSiPixelFolder - one (x,y) pair of histograms per det
  SiPixelFolderOrganizer theSiPixelFolder;
  for (std::map<uint32_t, SiPixelHitEfficiencyModule*>::iterator pxd = theSiPixelStructure.begin(); 
       pxd!=theSiPixelStructure.end(); pxd++) {

    if(modOn){
      if (theSiPixelFolder.setModuleFolder((*pxd).first)) (*pxd).second->book(pSet_);
      else throw cms::Exception("LogicError") << "SiPixelHitEfficiencySource Folder Creation Failed! "; 
    }
    if(ladOn){
      if (theSiPixelFolder.setModuleFolder((*pxd).first,1)) (*pxd).second->book(pSet_,1);
      else throw cms::Exception("LogicError") << "SiPixelHitEfficiencySource ladder Folder Creation Failed! "; 
    }
    if(layOn){
      if (theSiPixelFolder.setModuleFolder((*pxd).first,2)) (*pxd).second->book(pSet_,2);
      else throw cms::Exception("LogicError") << "SiPixelHitEfficiencySource layer Folder Creation Failed! "; 
    }
    if(phiOn){
      if (theSiPixelFolder.setModuleFolder((*pxd).first,3)) (*pxd).second->book(pSet_,3);
      else throw cms::Exception("LogicError") << "SiPixelHitEfficiencySource phi Folder Creation Failed! "; 
    }
    if(bladeOn){
      if (theSiPixelFolder.setModuleFolder((*pxd).first,4)) (*pxd).second->book(pSet_,4);
      else throw cms::Exception("LogicError") << "SiPixelHitEfficiencySource Blade Folder Creation Failed! "; 
    }
    if(diskOn){
      if (theSiPixelFolder.setModuleFolder((*pxd).first,5)) (*pxd).second->book(pSet_,5);
      else throw cms::Exception("LogicError") << "SiPixelHitEfficiencySource Disk Folder Creation Failed! "; 
    }
    if(ringOn){
      if (theSiPixelFolder.setModuleFolder((*pxd).first,6)) (*pxd).second->book(pSet_,6);
      else throw cms::Exception("LogicError") << "SiPixelHitEfficiencySource Ring Folder Creation Failed! "; 
    }
  }
  
  nvalid=0;
  nmissing=0;
  
  firstRun = false;
  }
}


void SiPixelHitEfficiencySource::endJob(void) {
  LogInfo("PixelDQM") << "SiPixelHitEfficiencySource endJob()";

  // save the residual histograms to an output root file
  bool saveFile = pSet_.getUntrackedParameter<bool>("saveFile", true);
  if (saveFile) { 
    std::string outputFile = pSet_.getParameter<std::string>("outputFile");
    LogInfo("PixelDQM") << " - saving histograms to "<< outputFile.data();
    dbe_->save(outputFile);
  } 
  LogInfo("PixelDQM") << endl; // dbe_->showDirStructure();
  
  //std::cout<< "********** SUMMARY **********"<<std::endl;
  //std::cout<< "number of valid hits: "<<nvalid<<std::endl;
  //std::cout<< "number of missing hits: "<<nmissing<<std::endl;
}


void SiPixelHitEfficiencySource::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup) {

  edm::Handle<reco::VertexCollection> vertexCollectionHandle;
  iEvent.getByLabel("offlinePrimaryVertices", vertexCollectionHandle);
  if(!vertexCollectionHandle.isValid()) return;
  nvtx_=0;
  vtxntrk_=-9999;
  vtxD0_=-9999.; vtxX_=-9999.; vtxY_=-9999.; vtxZ_=-9999.; vtxndof_=-9999.; vtxchi2_=-9999.;
  const reco::VertexCollection & vertices = *vertexCollectionHandle.product();
  reco::VertexCollection::const_iterator bestVtx=vertices.end();
  for(reco::VertexCollection::const_iterator it=vertices.begin(); it!=vertices.end(); ++it){
    if(!it->isValid()) continue;
    if(vtxntrk_==-9999 ||
       vtxntrk_<int(it->tracksSize()) ||
       (vtxntrk_==int(it->tracksSize()) && fabs(vtxZ_)>fabs(it->z()))){
      vtxntrk_=it->tracksSize();
      vtxD0_=it->position().rho();
      vtxX_=it->x();
      vtxY_=it->y();
      vtxZ_=it->z();
      vtxndof_=it->ndof();
      vtxchi2_=it->chi2();
      bestVtx=it;
    }
    if(fabs(it->z())<=20. && fabs(it->position().rho())<=2. && it->ndof()>4) nvtx_++;
  }
  if(nvtx_<1) return;
    
  //Get the geometry
  ESHandle<TrackerGeometry> TG;
  iSetup.get<TrackerDigiGeometryRecord>().get(TG);
  const TrackerGeometry* theTrackerGeometry = TG.product();
  
  //get the map
  edm::Handle<TrajTrackAssociationCollection> match;
  iEvent.getByLabel(tracksrc_,match);  
  const TrajTrackAssociationCollection ttac = *(match.product());

  if(debug_){
    //std::cout << "Trajectories\t : " << trajColl.size() << std::endl;
    //std::cout << "recoTracks  \t : " << trackColl.size() << std::endl;
    std::cout << "+++ NEW EVENT +++"<< std::endl;
    std::cout << "Map entries \t : " << ttac.size() << std::endl;
  }

  std::set<SiPixelCluster> clusterSet;
  TrajectoryStateCombiner tsoscomb;

  //Loop over map entries
  for(TrajTrackAssociationCollection::const_iterator it =  ttac.begin();it !=  ttac.end(); ++it){
    const edm::Ref<std::vector<Trajectory> > traj_iterator = it->key;  
    // Trajectory Map, extract Trajectory for this track
    reco::TrackRef trackref = it->val;
    //tracks++;
    bool isBpixtrack = false, isFpixtrack = false;
    int nStripHits=0; int L1hits=0; int L2hits=0; int L3hits=0; int D1hits=0; int D2hits=0;
    std::vector<TrajectoryMeasurement> tmeasColl =traj_iterator->measurements();
    std::vector<TrajectoryMeasurement>::const_iterator tmeasIt;
    //loop on measurements to find out what kind of hits there are
    for(tmeasIt = tmeasColl.begin();tmeasIt!=tmeasColl.end();tmeasIt++){
      //if(! tmeasIt->updatedState().isValid()) continue; NOT NECESSARY (I HOPE)
      TransientTrackingRecHit::ConstRecHitPointer testhit = tmeasIt->recHit();
      if(testhit->geographicalId().det() != DetId::Tracker) continue; 
      uint testSubDetID = (testhit->geographicalId().subdetId()); 
      const DetId & hit_detId = testhit->geographicalId();
      if(testSubDetID==PixelSubdetector::PixelBarrel){
        isBpixtrack = true;
        int layer = PixelBarrelName(hit_detId).layerName();
        if(layer==1) L1hits++;
        if(layer==2) L2hits++;
        if(layer==3) L3hits++;
      }
      if(testSubDetID==PixelSubdetector::PixelEndcap){
        isFpixtrack = true;
        int disk = PixelEndcapName(hit_detId).diskName();
        if(disk==1) D1hits++;
        if(disk==2) D2hits++;
      }
      if(testSubDetID==StripSubdetector::TIB) nStripHits++;
      if(testSubDetID==StripSubdetector::TOB) nStripHits++;
      if(testSubDetID==StripSubdetector::TID) nStripHits++;
      if(testSubDetID==StripSubdetector::TEC) nStripHits++;
    }
    if(isBpixtrack || isFpixtrack){
      if(trackref->pt()<0.6 ||
         nStripHits<11 ||
         fabs(trackref->dxy(bestVtx->position()))>0.05 ||
         fabs(trackref->dz(bestVtx->position()))>0.5) continue;
    
      if(debug_){
        std::cout << "isBpixtrack : " << isBpixtrack << std::endl;
        std::cout << "isFpixtrack : " << isFpixtrack << std::endl;
      }
      //std::cout<<"This tracks has so many hits: "<<tmeasColl.size()<<std::endl;
      for(std::vector<TrajectoryMeasurement>::const_iterator tmeasIt = tmeasColl.begin(); tmeasIt!=tmeasColl.end(); tmeasIt++){   
        //if(! tmeasIt->updatedState().isValid()) continue; 
        
        TrajectoryStateOnSurface tsos = tsoscomb( tmeasIt->forwardPredictedState(), tmeasIt->backwardPredictedState() );
        TransientTrackingRecHit::ConstRecHitPointer hit = tmeasIt->recHit();
        if(hit->geographicalId().det() != DetId::Tracker )
          continue; 
        else {
          
//        //residual
          const DetId & hit_detId = hit->geographicalId();
          //uint IntRawDetID = (hit_detId.rawId());
          uint IntSubDetID = (hit_detId.subdetId());
          
          if(IntSubDetID == 0 ){
            if(debug_) std::cout << "NO IntSubDetID\n";
            continue;
          }
          if(IntSubDetID!=PixelSubdetector::PixelBarrel && IntSubDetID!=PixelSubdetector::PixelEndcap)
            continue;
          
          int disk=0; int layer=0; int panel=0; int module=0; bool isHalfModule=false;
          if(IntSubDetID==PixelSubdetector::PixelBarrel){ // it's a BPIX hit
            layer = PixelBarrelName(hit_detId).layerName();
            isHalfModule = PixelBarrelName(hit_detId).isHalfModule();
          }else if(IntSubDetID==PixelSubdetector::PixelEndcap){ // it's an FPIX hit
            disk = PixelEndcapName(hit_detId).diskName();
            panel = PixelEndcapName(hit_detId).pannelName();
            module = PixelEndcapName(hit_detId).plaquetteName();
          }
          if(layer==1){
            if(fabs(trackref->dxy(bestVtx->position()))>0.01 ||
               fabs(trackref->dz(bestVtx->position()))>0.1) continue;
            if(!(L2hits>0&&L3hits>0) && !(L2hits>0&&D1hits>0) && !(D1hits>0&&D2hits>0)) continue;
          }else if(layer==2){
            if(fabs(trackref->dxy(bestVtx->position()))>0.02 ||
               fabs(trackref->dz(bestVtx->position()))>0.1) continue;
            if(!(L1hits>0&&L3hits>0) && !(L1hits>0&&D1hits>0)) continue;
          }else if(layer==3){
            if(fabs(trackref->dxy(bestVtx->position()))>0.02 ||
               fabs(trackref->dz(bestVtx->position()))>0.1) continue;
            if(!(L1hits>0&&L2hits>0)) continue;
          }else if(disk==1){
            if(fabs(trackref->dxy(bestVtx->position()))>0.05 ||
               fabs(trackref->dz(bestVtx->position()))>0.5) continue;
            if(!(L1hits>0&&D2hits>0) && !(L2hits>0&&D2hits>0)) continue;
          }else if(disk==2){
            if(fabs(trackref->dxy(bestVtx->position()))>0.05 ||
               fabs(trackref->dz(bestVtx->position()))>0.5) continue;
            if(!(L1hits>0&&D1hits>0)) continue;
          }
          
              //check wether hit is valid or missing using track algo flag
          bool isHitValid   =hit->hit()->getType()==TrackingRecHit::valid;
          bool isHitMissing =hit->hit()->getType()==TrackingRecHit::missing;
          //std::cout<<"------ New Hit"<<std::endl;
          //std::cout<<(hit->hit()->getType()==TrackingRecHit::missing)<<std::endl;
          
          // get the enclosed persistent hit
          //const TrackingRecHit *persistentHit = hit->hit();
          // check if it's not null, and if it's a valid pixel hit
          //if ((persistentHit != 0) && (typeid(*persistentHit) == typeid(SiPixelRecHit))) {
          
            if(debug_) std::cout << "the hit is persistent\n";
            
            // tell the C++ compiler that the hit is a pixel hit
            //const SiPixelRecHit* pixhit = dynamic_cast<const SiPixelRecHit*>( hit->hit() );
         
            //define tracker and pixel geometry and topology
            const TrackerGeometry& theTracker(*theTrackerGeometry);
            const PixelGeomDetUnit* theGeomDet = dynamic_cast<const PixelGeomDetUnit*> (theTracker.idToDet(hit_detId) );
            //test if PixelGeomDetUnit exists
            if(theGeomDet == 0) {
              if(debug_) std::cout << "NO THEGEOMDET\n";
              continue;
            }
                      
              //const RectangularPixelTopology * topol = dynamic_cast<const RectangularPixelTopology*>(&(theGeomDet->specificTopology()));

              std::map<uint32_t, SiPixelHitEfficiencyModule*>::iterator pxd = theSiPixelStructure.find((*hit).geographicalId().rawId());

              // calculate alpha and beta from cluster position
              LocalTrajectoryParameters ltp = tsos.localParameters();
              //LocalVector localDir = ltp.momentum()/ltp.momentum().mag();
              
              //float clust_alpha = atan2(localDir.z(), localDir.x());
              //float clust_beta = atan2(localDir.z(), localDir.y());
              
              
              
              // THE CUTS
              //int nrows = theGeomDet->specificTopology().nrows();
              //int ncols = theGeomDet->specificTopology().ncolumns();
              //
              //std::pair<float,float> pitchTest = theGeomDet->specificTopology().pitch();
              //RectangularPixelTopology rectTopolTest = RectangularPixelTopology(nrows, ncols, pitch.first, pitch.second);
              //std::pair<float,float> pixelTest = rectTopol.pixel(tsos.localPosition());
              //
              
              
              //*************** Edge cut ********************
               //double glx=tsos.globalPosition().x();
               //double gly=tsos.globalPosition().y();
               //double glz=tsos.globalPosition().z();
               double lx=tsos.localPosition().x();
               double ly=tsos.localPosition().y();
               //double lz=tsos.localPosition().z();
               //double lx_err=tsos.localError().positionError().xx();
               //double ly_err=tsos.localError().positionError().yy();
               //int telescope=0; int telescope_valid=0; 
               if(fabs(lx)>0.55 || fabs(ly)>3.0) continue;
               //LocalTrajectoryParameters predTrajParam=tsos.localParameters();
               //LocalVector dir=predTrajParam.momentum()/predTrajParam.momentum().mag();
               //double alpha=atan2(dir.z(), dir.x());
               //double beta=atan2(dir.z(), dir.y());
               bool passedFiducial=true;
               // Module fiducials:
               if(IntSubDetID==PixelSubdetector::PixelBarrel && fabs(ly)>=3.1) passedFiducial=false;
               if(IntSubDetID==PixelSubdetector::PixelEndcap &&
                  !((panel==1 &&
                    ((module==1 && fabs(ly)<0.7) ||
                     ((module==2 && fabs(ly)<1.1) &&
                      !(disk==-1 && ly>0.8 && lx>0.2) &&
                      !(disk==1 && ly<-0.7 && lx>0.2) &&
                      !(disk==2 && ly<-0.8)) ||
                     ((module==3 && fabs(ly)<1.5) &&
                      !(disk==-2 && lx>0.1 && ly>1.0) &&
                      !(disk==2 && lx>0.1 && ly<-1.0)) ||
                     ((module==4 && fabs(ly)<1.9) &&
                      !(disk==-2 && ly>1.5) &&
                      !(disk==2 && ly<-1.5)))) ||
                    (panel==2 &&
                    ((module==1 && fabs(ly)<0.7) ||
                     (module==2 && fabs(ly)<1.2 &&
                      !(disk>0 && ly>1.1) &&
                      !(disk<0 && ly<-1.1)) ||
                     (module==3 && fabs(ly)<1.6 &&
                      !(disk>0 && ly>1.5) &&
                      !(disk<0 && ly<-1.5)))))) passedFiducial=false;
               if(IntSubDetID==PixelSubdetector::PixelEndcap &&
                  ((panel==1 && (module==1 || (module>=3 && abs(disk)==1))) ||
                   (panel==2 && ((module==1 && abs(disk)==2) ||
                                 (module==3 && abs(disk)==1))))) passedFiducial=false;
               // ROC fiducials:
               double ly_mod = fabs(ly);
               if(IntSubDetID==PixelSubdetector::PixelEndcap && (panel+module)%2==1) ly_mod=ly_mod+0.405;
               float d_rocedge = fabs(fmod(ly_mod,0.81)-0.405);
               if(d_rocedge<=0.0625) passedFiducial=false;
               if(!( (IntSubDetID==PixelSubdetector::PixelBarrel &&
                      ((!isHalfModule && fabs(lx)<0.6) ||
                       (isHalfModule && lx>-0.3 && lx<0.2))) ||
                     (IntSubDetID==PixelSubdetector::PixelEndcap &&
                      ((panel==1 &&
                       ((module==1 && fabs(lx)<0.2) ||
                        (module==2 &&
                         ((fabs(lx)<0.55 && abs(disk)==1) ||
                          (lx>-0.5 && lx<0.2 && disk==-2) ||
                          (lx>-0.5 && lx<0.0 && disk==2))) ||
                        (module==3 && lx>-0.6 && lx<0.5) ||
                        (module==4 && lx>-0.3 && lx<0.15))) ||
                       (panel==2 &&
                        ((module==1 && fabs(lx)<0.6) ||
                         (module==2 &&
                          ((fabs(lx)<0.55 && abs(disk)==1) ||
                           (lx>-0.6 && lx<0.5 && abs(disk)==2))) ||
                         (module==3 && fabs(lx)<0.5))))))) passedFiducial=false;
               if(((IntSubDetID==PixelSubdetector::PixelBarrel && !isHalfModule) || 
                   (IntSubDetID==PixelSubdetector::PixelEndcap && !(panel==1 && (module==1 || module==4)))) &&
                   fabs(lx)<0.06) passedFiducial=false;
               
               
              //*************** find closest clusters ********************
              float dx_cl[2]; float dy_cl[2]; dx_cl[0]=dx_cl[1]=dy_cl[0]=dy_cl[1]=-9999.;
              ESHandle<PixelClusterParameterEstimator> cpEstimator;
              iSetup.get<TkPixelCPERecord>().get("PixelCPEGeneric", cpEstimator);
              if(cpEstimator.isValid()){
                const PixelClusterParameterEstimator &cpe(*cpEstimator);
                edm::ESHandle<TrackerGeometry> tracker;
                iSetup.get<TrackerDigiGeometryRecord>().get(tracker);
                if(tracker.isValid()){
                  const TrackerGeometry *tkgeom=&(*tracker);
                  edm::Handle<edmNew::DetSetVector<SiPixelCluster> > clusterCollectionHandle;
                  iEvent.getByLabel("siPixelClusters", clusterCollectionHandle);
                  if(clusterCollectionHandle.isValid()){
                    const edmNew::DetSetVector<SiPixelCluster>& clusterCollection=*clusterCollectionHandle;
                    edmNew::DetSetVector<SiPixelCluster>::const_iterator itClusterSet=clusterCollection.begin();
                    float minD[2]; minD[0]=minD[1]=10000.;
                    for( ; itClusterSet!=clusterCollection.end(); itClusterSet++){
                      DetId detId(itClusterSet->id());
                      if(detId.rawId()!=hit->geographicalId().rawId()) continue;
                      //unsigned int sdId=detId.subdetId();
                      const PixelGeomDetUnit *pixdet=(const PixelGeomDetUnit*) tkgeom->idToDetUnit(detId);
                      edmNew::DetSet<SiPixelCluster>::const_iterator itCluster=itClusterSet->begin();
                      for( ; itCluster!=itClusterSet->end(); ++itCluster){
                        LocalPoint lp(itCluster->x(), itCluster->y(), 0.);
                        PixelClusterParameterEstimator::LocalValues params=cpe.localParameters(*itCluster,*pixdet);
                        lp=params.first;
                        float D = sqrt((lp.x()-lx)*(lp.x()-lx)+(lp.y()-ly)*(lp.y()-ly));
                        if(D<minD[0]){
                          minD[1]=minD[0];
                          dx_cl[1]=dx_cl[0];
                          dy_cl[1]=dy_cl[0];
                          minD[0]=D;
                          dx_cl[0]=lp.x();
                          dy_cl[0]=lp.y();
                        }else if(D<minD[1]){
                          minD[1]=D;
                          dx_cl[1]=lp.x();
                          dy_cl[1]=lp.y();
                        }
                      }  // loop on clusterSets 
                    } // loop on clusterCollection
                    for(size_t i=0; i<2; i++){
                      if(minD[i]<9999.){
                        dx_cl[i]=fabs(dx_cl[i]-lx);
                        dy_cl[i]=fabs(dy_cl[i]-ly);
                      }
                    }
                  } // valid clusterCollectionHandle
                } // valid tracker
              } // valid cpEstimator
              // distance of hit from closest cluster!
              float d_cl[2]; d_cl[0]=d_cl[1]=-9999.;
              if(dx_cl[0]!=-9999. && dy_cl[0]!=-9999.) d_cl[0]=sqrt(dx_cl[0]*dx_cl[0]+dy_cl[0]*dy_cl[0]);
              if(dx_cl[1]!=-9999. && dy_cl[1]!=-9999.) d_cl[1]=sqrt(dx_cl[1]*dx_cl[1]+dy_cl[1]*dy_cl[1]);
              if(isHitMissing && (d_cl[0]<0.05 || d_cl[1]<0.05)){ isHitMissing=0; isHitValid=1; }
              
              
              if(debug_){
                std::cout << "Ready to add hit in histogram:\n";
                //std::cout << "detid: "<<hit_detId<<std::endl;
                std::cout << "isHitValid: "<<isHitValid<<std::endl;
                std::cout << "isHitMissing: "<<isHitMissing<<std::endl;
                //std::cout << "passedEdgeCut: "<<passedFiducial<<std::endl;            
              }
              
              
              if(pxd!=theSiPixelStructure.end() && isHitValid && passedFiducial)
                ++nvalid;
              if(pxd!=theSiPixelStructure.end() && isHitMissing && passedFiducial)
                ++nmissing;
                
              if (pxd!=theSiPixelStructure.end() && passedFiducial && (isHitValid || isHitMissing))
                (*pxd).second->fill(ltp, isHitValid, modOn, ladOn, layOn, phiOn, bladeOn, diskOn, ringOn);      

          //}//end if (persistent hit exists and is pixel hit)
          
        }//end of else 
        
        
      }//end for (all traj measurements of pixeltrack)
    }//end if (is pixeltrack)
    else
      if(debug_) std::cout << "no pixeltrack:\n";
    
  }//end loop on map entries
}


DEFINE_FWK_MODULE(SiPixelHitEfficiencySource); // define this as a plug-in