/data/refman/pasoursint/CMSSW_4_2_9_HLT1_bphpatch4/src/SimCalorimetry/EcalSelectiveReadoutProducers/src/EcalSelectiveReadoutProducer.cc

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#include "SimCalorimetry/EcalSelectiveReadoutProducers/interface/EcalSelectiveReadoutProducer.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "Geometry/Records/interface/CaloGeometryRecord.h"
#include "Geometry/EcalMapping/interface/EcalMappingRcd.h"
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "CondFormats/DataRecord/interface/EcalSRSettingsRcd.h"
//#include "DataFormats/EcalDigi/interface/EcalMGPASample.h"

#include "SimCalorimetry/EcalSelectiveReadoutProducers/interface/EcalSRCondTools.h"

#include <memory>
#include <fstream>


using namespace std;

EcalSelectiveReadoutProducer::EcalSelectiveReadoutProducer(const edm::ParameterSet& params)
  : params_(params)
{
  //settings:
  //  settings which are only in python config files:
  digiProducer_ = params.getParameter<string>("digiProducer");
  ebdigiCollection_ = params.getParameter<std::string>("EBdigiCollection");
  eedigiCollection_ = params.getParameter<std::string>("EEdigiCollection");
  ebSRPdigiCollection_ = params.getParameter<std::string>("EBSRPdigiCollection");
  eeSRPdigiCollection_ = params.getParameter<std::string>("EESRPdigiCollection");
  ebSrFlagCollection_ = params.getParameter<std::string>("EBSrFlagCollection");
  eeSrFlagCollection_ = params.getParameter<std::string>("EESrFlagCollection");
  trigPrimProducer_ = params.getParameter<string>("trigPrimProducer");
  trigPrimCollection_ = params.getParameter<string>("trigPrimCollection");
  trigPrimBypass_ = params.getParameter<bool>("trigPrimBypass");
  trigPrimBypassMode_ = params.getParameter<int>("trigPrimBypassMode");
  dumpFlags_ = params.getUntrackedParameter<int>("dumpFlags", 0);
  writeSrFlags_ = params.getUntrackedParameter<bool>("writeSrFlags", false);
  produceDigis_ = params.getUntrackedParameter<bool>("produceDigis", true);
  //   settings which can come from either condition database or python configuration file:
  useCondDb_ = false;
  try{
    if(params.getParameter<bool>("configFromCondDB")){
      useCondDb_ = true;
    }
  } catch(cms::Exception){
    /* pameter not found */
    edm::LogWarning("EcalSelectiveReadout") << "Parameter configFromCondDB of EcalSelectiveReadout module not found. "
      "Selective readout configuration will be read from python file.";
  }
  if(!useCondDb_){
    settingsFromFile_ = auto_ptr<EcalSRSettings>(new EcalSRSettings());
    EcalSRCondTools::importParameterSet(*settingsFromFile_, params);
    settings_ = settingsFromFile_.get();
  }

  //declares the products made by this producer:
  if(produceDigis_){
    produces<EBDigiCollection>(ebSRPdigiCollection_);
    produces<EEDigiCollection>(eeSRPdigiCollection_);
  }

  if (writeSrFlags_) {
    produces<EBSrFlagCollection>(ebSrFlagCollection_);
    produces<EESrFlagCollection>(eeSrFlagCollection_);
  }

  theGeometry = 0;
  theTriggerTowerMap = 0;
  theElecMap = 0;
}



EcalSelectiveReadoutProducer::~EcalSelectiveReadoutProducer()
{ }


void
EcalSelectiveReadoutProducer::produce(edm::Event& event, const edm::EventSetup& eventSetup)
{
  //getting selective readout configuration:
  edm::ESHandle<EcalSRSettings> hSr;
  eventSetup.get<EcalSRSettingsRcd>().get(hSr);
  settings_ = hSr.product();
  
  //gets the trigger primitives:
  EcalTrigPrimDigiCollection emptyTPColl;
  const EcalTrigPrimDigiCollection* trigPrims =
    (trigPrimBypass_ && trigPrimBypassMode_==0)?&emptyTPColl:getTrigPrims(event);


  //gets the digis from the events:
  EBDigiCollection dummyEbDigiColl;
  EEDigiCollection dummyEeDigiColl;

  const EBDigiCollection* ebDigis = produceDigis_?getEBDigis(event)
    :&dummyEbDigiColl;
  const EEDigiCollection* eeDigis = produceDigis_?getEEDigis(event)
    :&dummyEeDigiColl;

  //runs the selective readout algorithm:
  auto_ptr<EBDigiCollection> selectedEBDigis;
  auto_ptr<EEDigiCollection> selectedEEDigis;
  auto_ptr<EBSrFlagCollection> ebSrFlags;
  auto_ptr<EESrFlagCollection> eeSrFlags;

  if(produceDigis_){
    selectedEBDigis = auto_ptr<EBDigiCollection>(new EBDigiCollection);
    selectedEEDigis = auto_ptr<EEDigiCollection>(new EEDigiCollection);
  }

  if(writeSrFlags_){
    ebSrFlags = auto_ptr<EBSrFlagCollection>(new EBSrFlagCollection);
    eeSrFlags = auto_ptr<EESrFlagCollection>(new EESrFlagCollection);
  }

  if(suppressor_.get() == 0){
    //Check the validity of EcalSRSettings
    checkValidity(*settings_);
    
    //instantiates the selective readout algorithm:
    suppressor_ = auto_ptr<EcalSelectiveReadoutSuppressor>(new EcalSelectiveReadoutSuppressor(params_, settings_));

    // check that everything is up-to-date
    checkGeometry(eventSetup);
    checkTriggerMap(eventSetup);
    checkElecMap(eventSetup);
  }
  
  suppressor_->run(eventSetup, *trigPrims, *ebDigis, *eeDigis,
                   selectedEBDigis.get(), selectedEEDigis.get(),
                   ebSrFlags.get(), eeSrFlags.get());

  static int iEvent = 1;
  if(dumpFlags_>=iEvent){
    ofstream ttfFile("TTF.txt", (iEvent==1?ios::trunc:ios::app));
    suppressor_->printTTFlags(ttfFile, iEvent,
                              iEvent==1?true:false);

    ofstream srfFile("SRF.txt", (iEvent==1?ios::trunc:ios::app));
    if(iEvent==1){
      suppressor_->getEcalSelectiveReadout()->printHeader(srfFile);
    }
    srfFile << "# Event " << iEvent << "\n";
    suppressor_->getEcalSelectiveReadout()->print(srfFile);
    srfFile << "\n";

    ofstream afFile("AF.txt", (iEvent==1?ios::trunc:ios::app));
    printSrFlags(afFile, *ebSrFlags, *eeSrFlags, iEvent,
                 iEvent==1?true:false);
  }

  ++iEvent; //event counter

  if(produceDigis_){
    //puts the selected digis into the event:
    event.put(selectedEBDigis, ebSRPdigiCollection_);
    event.put(selectedEEDigis, eeSRPdigiCollection_);
  }

  //puts the SR flags into the event:
  if(writeSrFlags_) {
    event.put(ebSrFlags, ebSrFlagCollection_);
    event.put(eeSrFlags, eeSrFlagCollection_);
  }
}

const EBDigiCollection*
EcalSelectiveReadoutProducer::getEBDigis(edm::Event& event) const
{
  edm::Handle<EBDigiCollection> hEBDigis;
  event.getByLabel(digiProducer_, ebdigiCollection_, hEBDigis);
  //product() method is called before id() in order to get an exception
  //if the handle is not available (check not done by id() method).
  const EBDigiCollection* result = hEBDigis.product();
  static bool firstCall= true;
  if(firstCall){
    checkWeights(event, hEBDigis.id());
    firstCall = false;
  }
  return result;
}

const EEDigiCollection*
EcalSelectiveReadoutProducer::getEEDigis(edm::Event& event) const
{
  edm::Handle<EEDigiCollection> hEEDigis;
  event.getByLabel(digiProducer_, eedigiCollection_, hEEDigis);
  //product() method is called before id() in order to get an exception
  //if the handle is not available (check not done by id() method).
  const EEDigiCollection* result = hEEDigis.product();
  static bool firstCall = true;
  if(firstCall){
    checkWeights(event, hEEDigis.id());
    firstCall = false;
  }
  return result;
}

const EcalTrigPrimDigiCollection*
EcalSelectiveReadoutProducer::getTrigPrims(edm::Event& event) const
{
  edm::Handle<EcalTrigPrimDigiCollection> hTPDigis;
  event.getByLabel(trigPrimProducer_, trigPrimCollection_, hTPDigis);
  return hTPDigis.product();
}


void EcalSelectiveReadoutProducer::checkGeometry(const edm::EventSetup & eventSetup)
{
  edm::ESHandle<CaloGeometry> hGeometry;
  eventSetup.get<CaloGeometryRecord>().get(hGeometry);

  const CaloGeometry * pGeometry = &*hGeometry;

  // see if we need to update
  if(pGeometry != theGeometry) {
    theGeometry = pGeometry;
    suppressor_->setGeometry(theGeometry);
  }
}


void EcalSelectiveReadoutProducer::checkTriggerMap(const edm::EventSetup & eventSetup)
{

   edm::ESHandle<EcalTrigTowerConstituentsMap> eTTmap;
   eventSetup.get<IdealGeometryRecord>().get(eTTmap);

   const EcalTrigTowerConstituentsMap * pMap = &*eTTmap;

  // see if we need to update
  if(pMap!= theTriggerTowerMap) {
    theTriggerTowerMap = pMap;
    suppressor_->setTriggerMap(theTriggerTowerMap);
  }
}


void EcalSelectiveReadoutProducer::checkElecMap(const edm::EventSetup & eventSetup)
{

   edm::ESHandle<EcalElectronicsMapping> eElecmap;
   eventSetup.get<EcalMappingRcd>().get(eElecmap);

   const EcalElectronicsMapping * pMap = &*eElecmap;

  // see if we need to update
  if(pMap!= theElecMap) {
    theElecMap = pMap;
    suppressor_->setElecMap(theElecMap);
  }
}


void EcalSelectiveReadoutProducer::printTTFlags(const EcalTrigPrimDigiCollection& tp, ostream& os) const{
  const char tccFlagMarker[] = { 'x', '.', 'S', '?', 'C', 'E', 'E', 'E', 'E'};
  const int nEta = EcalSelectiveReadout::nTriggerTowersInEta;
  const int nPhi = EcalSelectiveReadout::nTriggerTowersInPhi;

  //static bool firstCall=true;
  //  if(firstCall){
  //  firstCall=false;
  os << "# TCC flag map\n#\n"
    "# +-->Phi            " << tccFlagMarker[0+1] << ": 000 (low interest)\n"
    "# |                  " << tccFlagMarker[1+1] << ": 001 (mid interest)\n"
    "# |                  " << tccFlagMarker[2+1] << ": 010 (not valid)\n"
    "# V Eta              " << tccFlagMarker[3+1] << ": 011 (high interest)\n"
    "#                    " << tccFlagMarker[4+1] << ": 1xx forced readout (Hw error)\n"
    "#\n";
  //}

  vector<vector<int> > ttf(nEta, vector<int>(nPhi, -1));
  for(EcalTrigPrimDigiCollection::const_iterator it = tp.begin();
      it != tp.end(); ++it){
    const EcalTriggerPrimitiveDigi& trigPrim = *it;
    if(trigPrim.size()>0){
      int iEta = trigPrim.id().ieta();
      int iEta0 = iEta<0?iEta+nEta/2:iEta+nEta/2-1;
      int iPhi0 = trigPrim.id().iphi() - 1;
      ttf[iEta0][iPhi0] = trigPrim.ttFlag();
    }
  }
  for(int iEta=0; iEta<nEta; ++iEta){
    for(int iPhi=0; iPhi<nPhi; ++iPhi){
      os << tccFlagMarker[ttf[iEta][iPhi]+1];
    }
    os << "\n";
  }
}

void EcalSelectiveReadoutProducer::checkWeights(const edm::Event& evt,
                                                const edm::ProductID& noZsDigiId) const{
  const vector<float> & weights = settings_->dccNormalizedWeights_[0]; //params_.getParameter<vector<double> >("dccNormalizedWeights");
  int nFIRTaps = EcalSelectiveReadoutSuppressor::getFIRTapCount();
  static bool warnWeightCnt = true;
  if((int)weights.size() > nFIRTaps && warnWeightCnt){
      edm::LogWarning("Configuration") << "The list of DCC zero suppression FIR "
        "weights given in parameter dccNormalizedWeights is longer "
        "than the expected depth of the FIR filter :(" << nFIRTaps << "). "
        "The last weights will be discarded.";
      warnWeightCnt = false; //it's not needed to repeat the warning.
  }

  if(weights.size()>0){
    int iMaxWeight = 0;
    double maxWeight = weights[iMaxWeight];
    //looks for index of maximum weight
    for(unsigned i=0; i<weights.size(); ++i){
      if(weights[i]>maxWeight){
        iMaxWeight = i;
        maxWeight = weights[iMaxWeight];
      }
    }

    //position of time sample whose maximum weight is applied:
    int maxWeightBin = settings_->ecalDccZs1stSample_[0] //params_.getParameter<int>("ecalDccZs1stSample")
      + iMaxWeight;
    
    //gets the bin of maximum (in case of raw data it will not exist)
    int binOfMax = 0;
    bool rc = getBinOfMax(evt, noZsDigiId, binOfMax);

    if(rc && maxWeightBin!=binOfMax){
      edm::LogWarning("Configuration")
        << "The maximum weight of DCC zero suppression FIR filter is not "
        "applied to the expected maximum sample(" << binOfMax
        << (binOfMax==1?"st":(binOfMax==2?"nd":(binOfMax==3?"rd":"th")))
        << " time sample). This may indicate faulty 'dccNormalizedWeights' "
        "or 'ecalDccZs1sSample' parameters.";
    }
  }
}

bool
EcalSelectiveReadoutProducer::getBinOfMax(const edm::Event& evt,
                                          const edm::ProductID& noZsDigiId,
                                          int& binOfMax) const{
  bool rc;
  const edm::Provenance p=evt.getProvenance(noZsDigiId);
  edm::ParameterSet result = getParameterSet(p.psetID());
  vector<string> ebDigiParamList = result.getParameterNames();
  string bofm("binOfMaximum");
  if(find(ebDigiParamList.begin(), ebDigiParamList.end(), bofm)
     != ebDigiParamList.end()){//bofm found
    binOfMax=result.getParameter<int>("binOfMaximum");
    rc = true;
  } else{
    rc = false;
  }
  return rc;
}

void
EcalSelectiveReadoutProducer::printSrFlags(ostream& os,
                                           const EBSrFlagCollection& ebSrFlags,
                                           const EESrFlagCollection& eeSrFlags,
                                           int iEvent,
                                           bool withHeader){
  const char srpFlagMarker[] = {'.', 'z', 'Z', 'F', '4','5','6','7'};
  if(withHeader){
    time_t t;
    time(&t);
    const char* date = ctime(&t);
    os << "#SRP flag map\n#\n"
      "# Generatied on: " << date << "\n#\n"
      "# +-->Phi/Y " << srpFlagMarker[0] << ": suppressed\n"
      "# |         " << srpFlagMarker[1] << ": ZS 1\n"
      "# |         " << srpFlagMarker[2] << ": ZS 2\n"
      "# V Eta/X   " << srpFlagMarker[3] << ": full readout\n"
      "#\n";
  }

  //EE-,EB,EE+ map wil be written onto file in following format:
  //
  //      72
  // <-------------->
  //  20
  // <--->
  //  EEE                A             +-----> Y
  // EEEEE               |             |
  // EE EE               | 20   EE-    |
  // EEEEE               |             |
  //  EEE                V             V X
  // BBBBBBBBBBBBBBBBB   A
  // BBBBBBBBBBBBBBBBB   |             +-----> Phi
  // BBBBBBBBBBBBBBBBB   |             |
  // BBBBBBBBBBBBBBBBB   | 34  EB      |
  // BBBBBBBBBBBBBBBBB   |             |
  // BBBBBBBBBBBBBBBBB   |             V Eta
  // BBBBBBBBBBBBBBBBB   |
  // BBBBBBBBBBBBBBBBB   |
  // BBBBBBBBBBBBBBBBB   V
  //  EEE                A             +-----> Y
  // EEEEE               |             |
  // EE EE               | 20 EE+      |
  // EEEEE               |             |
  //  EEE                V             V X
  //
  //
  //
  //
  //event header:
  if(iEvent>=0){
    os << "# Event " << iEvent << "\n";
  }

  //retrieve flags:
  const int nEndcaps = 2;
  const int nScX = 20;
  const int nScY = 20;
  int eeSrf[nEndcaps][nScX][nScY];
  for(size_t i=0; i < sizeof(eeSrf)/sizeof(int); ((int*)eeSrf)[i++] = -1){};
  for(EESrFlagCollection::const_iterator it = eeSrFlags.begin();
      it != eeSrFlags.end(); ++it){
    const EESrFlag& flag = *it;
    int iZ0 = flag.id().zside()>0?1:0;
    int iX0 = flag.id().ix()-1;
    int iY0 = flag.id().iy()-1;
    assert(iZ0>=0 && iZ0<nEndcaps);
    assert(iX0>=0 && iX0<nScX);
    assert(iY0>=0 && iY0<nScY);
    eeSrf[iZ0][iX0][iY0] = flag.value();
  }
  const int nEbTtEta = 34;
  const int nEeTtEta = 11;
  const int nTtEta = nEeTtEta*2+nEbTtEta;
  const int nTtPhi = 72;
  int ebSrf[nEbTtEta][nTtPhi];
  for(size_t i=0; i<sizeof(ebSrf)/sizeof(int); ((int*)ebSrf)[i++] = -1){};
  for(EBSrFlagCollection::const_iterator it = ebSrFlags.begin();
      it != ebSrFlags.end(); ++it){

    const EBSrFlag& flag = *it;
    int iEta = flag.id().ieta();
    int iEta0 = iEta + nTtEta/2 - (iEta>=0?1:0); //0->55 from eta=-3 to eta=3
    int iEbEta0 = iEta0 - nEeTtEta;//0->33 from eta=-1.48 to eta=1.48
    int iPhi0 = flag.id().iphi() - 1;
    assert(iEbEta0>=0 && iEbEta0<nEbTtEta);
    assert(iPhi0>=0 && iPhi0<nTtPhi);

//     cout << __FILE__ << ":" << __LINE__ << ": "
//       <<  iEta << "\t" << flag.id().iphi() << " -> "
//       << iEbEta0 << "\t" << iPhi0
//       << "... Flag: " << flag.value() << "\n";


    ebSrf[iEbEta0][iPhi0] = flag.value();
  }


  //print flags:

  //EE-
  for(int iX0=0; iX0<nScX; ++iX0){
    for(int iY0=0; iY0<nScY; ++iY0){
      int srFlag = eeSrf[0][iX0][iY0];
      assert(srFlag>=-1
             && srFlag<(int)(sizeof(srpFlagMarker)/sizeof(srpFlagMarker[0])));
      os << (srFlag==-1?' ':srpFlagMarker[srFlag]);
    }
    os << "\n"; //one Y supercystal column per line
  } //next supercrystal X-index

  //EB
  for(int iEta0 = 0;
      iEta0 < nEbTtEta;
      ++iEta0){
    for(int iPhi0 = 0; iPhi0 < nTtPhi; ++iPhi0){
      int srFlag = ebSrf[iEta0][iPhi0];
      assert(srFlag>=-1
             && srFlag<(int)(sizeof(srpFlagMarker)/sizeof(srpFlagMarker[0])));
      os << (srFlag==-1?'?':srpFlagMarker[srFlag]);
    }
    os << "\n"; //one phi per line
  }

  //EE+
  for(int iX0=0; iX0<nScX; ++iX0){
    for(int iY0=0; iY0<nScY; ++iY0){
      int srFlag = eeSrf[1][iX0][iY0];
      assert(srFlag>=-1
             && srFlag<(int)(sizeof(srpFlagMarker)/sizeof(srpFlagMarker[0])));
      os << (srFlag==-1?' ':srpFlagMarker[srFlag]);
    }
    os << "\n"; //one Y supercystal column per line
  } //next supercrystal X-index

  //event trailer:
  os << "\n";
}

void EcalSelectiveReadoutProducer::checkValidity(const EcalSRSettings& settings){
  if(settings.dccNormalizedWeights_.size() != 1){
    throw cms::Exception("Configuration") << "Selective readout emulator, EcalSelectiveReadout, supports only single set of ZS weights. "
      "while the configuration contains " << settings.dccNormalizedWeights_.size() << " set(s)\n";
  }
  
//   if(settings.dccNormalizedWeights_.size() != 1
//      && settings.dccNormalizedWeights_.size() != 2
//      && settings.dccNormalizedWeights_.size() != 54
//      && settings.dccNormalizedWeights_.size() != 75848){
//     throw cms::Exception("Configuration") << "Invalid number of DCC weight set (" << settings.dccNormalizedWeights_.size()
//                                        << ") in condition object EcalSRSetting::dccNormalizedWeights_. "
//                                        << "Valid counts are: 1 (single set), 2 (EB and EE), 54 (one per DCC) and 75848 "
//       "(one per crystal)\n";
//   }
  
  if(settings.dccNormalizedWeights_.size() != settings.ecalDccZs1stSample_.size()){
    throw cms::Exception("Configuration") << "Inconsistency between number of weigth sets ("
                                          << settings.dccNormalizedWeights_.size() << ") and "
                                          << "number of ecalDccZs1Sample values ("
                                          << settings.ecalDccZs1stSample_.size() << ").";
  }  
}