SiStripDigitizerAlgorithm Class Reference

#include <SiStripDigitizerAlgorithm.h>

Classes
struct	AssociationInfo

Public Types
typedef float	Amplitude
typedef SiDigitalConverter::DigitalRawVecType	DigitalRawVecType
typedef SiDigitalConverter::DigitalVecType	DigitalVecType
typedef std::map< int, float, std::less< int > >	hit_map_type
typedef SiPileUpSignals::SignalMapType	SignalMapType

Public Member Functions
void	accumulateSimHits (const std::vector< PSimHit >::const_iterator inputBegin, const std::vector< PSimHit >::const_iterator inputEnd, size_t inputBeginGlobalIndex, unsigned int tofBin, const StripGeomDetUnit *stripdet, const GlobalVector &bfield, const TrackerTopology *tTopo, CLHEP::HepRandomEngine *)
void	calculateInstlumiScale (PileupMixingContent *puInfo)
void	digitize (edm::DetSet< SiStripDigi > &outDigis, edm::DetSet< SiStripRawDigi > &outRawDigis, edm::DetSet< StripDigiSimLink > &outLink, const StripGeomDetUnit *stripdet, edm::ESHandle< SiStripGain > &, edm::ESHandle< SiStripThreshold > &, edm::ESHandle< SiStripNoises > &, edm::ESHandle< SiStripPedestals > &, std::vector< std::pair< int, std::bitset< 6 >>> &theAffectedAPVvector, CLHEP::HepRandomEngine *)
void	initializeDetUnit (StripGeomDetUnit const *det, const edm::EventSetup &iSetup)
void	initializeEvent (const edm::EventSetup &iSetup)
void	setParticleDataTable (const ParticleDataTable *pardt)
	SiStripDigitizerAlgorithm (const edm::ParameterSet &conf)
	~SiStripDigitizerAlgorithm ()

Private Types
typedef std::map< int, std::vector< AssociationInfo > >	AssociationInfoForChannel
typedef std::map< uint32_t, AssociationInfoForChannel >	AssociationInfoForDetId

Private Attributes
std::map< unsigned int, std::vector< bool > >	allBadChannels
std::map< unsigned int, std::vector< bool > >	allHIPChannels
edm::FileInPath	APVProbabilityFile
std::ifstream	APVProbaFile
const bool	APVSaturationFromHIP
double	APVSaturationProb_
const double	APVSaturationProbScaling_
AssociationInfoForDetId	associationInfoForDetId_
	Structure that holds the information on the SimTrack contributions. Only filled if makeDigiSimLinks_ is true. More...
const bool	BaselineShift
const double	cmnRMStec
const double	cmnRMStib
const double	cmnRMStid
const double	cmnRMStob
const bool	CommonModeNoise
const double	cosmicShift
std::map< unsigned int, size_t >	firstChannelsWithSignal
bool	FirstDigitize_
bool	FirstLumiCalc_
const double	inefficiency
std::map< unsigned int, size_t >	lastChannelsWithSignal
edm::ESHandle< SiStripLorentzAngle >	lorentzAngleHandle
const std::string	lorentzAngleName
const bool	makeDigiSimLinks_
std::map< int, float >	mapOfAPVprobabilities
const bool	noise
int	NumberOfBxBetweenHIPandEvent
const ParticleData *	particle
const ParticleDataTable *	pdt
const bool	peakMode
const double	pedOffset
const bool	PreMixing_
const bool	RealPedestals
const bool	SingleStripNoise
std::map< int, std::bitset< 6 > >	SiStripTrackerAffectedAPVMap
const double	theElectronPerADC
const int	theFedAlgo
const std::unique_ptr< SiTrivialDigitalConverter >	theSiDigitalConverter
const std::unique_ptr< SiHitDigitizer >	theSiHitDigitizer
const std::unique_ptr< const SiGaussianTailNoiseAdder >	theSiNoiseAdder
const std::unique_ptr< SiPileUpSignals >	theSiPileUpSignals
const std::unique_ptr< SiStripFedZeroSuppression >	theSiZeroSuppress
const double	theThreshold
const double	theTOFCutForDeconvolution
const double	theTOFCutForPeak
const double	tofCut
const bool	zeroSuppression

Detailed Description

SiStripDigitizerAlgorithm converts hits to digis

Definition at line 53 of file SiStripDigitizerAlgorithm.h.

Member Typedef Documentation

typedef float SiStripDigitizerAlgorithm::Amplitude

Definition at line 59 of file SiStripDigitizerAlgorithm.h.

typedef std::map<int, std::vector<AssociationInfo> > SiStripDigitizerAlgorithm::AssociationInfoForChannel

private

Definition at line 162 of file SiStripDigitizerAlgorithm.h.

typedef std::map<uint32_t, AssociationInfoForChannel> SiStripDigitizerAlgorithm::AssociationInfoForDetId

private

Definition at line 163 of file SiStripDigitizerAlgorithm.h.

typedef SiDigitalConverter::DigitalRawVecType SiStripDigitizerAlgorithm::DigitalRawVecType

Definition at line 56 of file SiStripDigitizerAlgorithm.h.

typedef SiDigitalConverter::DigitalVecType SiStripDigitizerAlgorithm::DigitalVecType

Definition at line 55 of file SiStripDigitizerAlgorithm.h.

typedef std::map<int, float, std::less<int> > SiStripDigitizerAlgorithm::hit_map_type

Definition at line 58 of file SiStripDigitizerAlgorithm.h.

typedef SiPileUpSignals::SignalMapType SiStripDigitizerAlgorithm::SignalMapType

Definition at line 57 of file SiStripDigitizerAlgorithm.h.

Constructor & Destructor Documentation

SiStripDigitizerAlgorithm::SiStripDigitizerAlgorithm

(

const edm::ParameterSet &

conf

)

Definition at line 38 of file SiStripDigitizerAlgorithm.cc.

References APVProbabilityFile, APVProbaFile, APVSaturationFromHIP, CommonModeNoise, Exception, edm::FileInPath::fullPath(), mps_splice::line, LogDebug, mapOfAPVprobabilities, peakMode, PreMixing_, SingleStripNoise, split, and AlCaHLTBitMon_QueryRunRegistry::string.

    : lorentzAngleName(conf.getParameter<std::string>("LorentzAngle")),
      theThreshold(conf.getParameter<double>("NoiseSigmaThreshold")),
      cmnRMStib(conf.getParameter<double>("cmnRMStib")),
      cmnRMStob(conf.getParameter<double>("cmnRMStob")),
      cmnRMStid(conf.getParameter<double>("cmnRMStid")),
      cmnRMStec(conf.getParameter<double>("cmnRMStec")),
      APVSaturationProbScaling_(conf.getParameter<double>("APVSaturationProbScaling")),
      makeDigiSimLinks_(conf.getUntrackedParameter<bool>("makeDigiSimLinks", false)),
      peakMode(conf.getParameter<bool>("APVpeakmode")),
      noise(conf.getParameter<bool>("Noise")),
      RealPedestals(conf.getParameter<bool>("RealPedestals")),
      SingleStripNoise(conf.getParameter<bool>("SingleStripNoise")),
      CommonModeNoise(conf.getParameter<bool>("CommonModeNoise")),
      BaselineShift(conf.getParameter<bool>("BaselineShift")),
      APVSaturationFromHIP(conf.getParameter<bool>("APVSaturationFromHIP")),
      theFedAlgo(conf.getParameter<int>("FedAlgorithm")),
      zeroSuppression(conf.getParameter<bool>("ZeroSuppression")),
      theElectronPerADC(conf.getParameter<double>(peakMode ? "electronPerAdcPeak" : "electronPerAdcDec")),
      theTOFCutForPeak(conf.getParameter<double>("TOFCutForPeak")),
      theTOFCutForDeconvolution(conf.getParameter<double>("TOFCutForDeconvolution")),
      tofCut(peakMode ? theTOFCutForPeak : theTOFCutForDeconvolution),
      cosmicShift(conf.getUntrackedParameter<double>("CosmicDelayShift")),
      inefficiency(conf.getParameter<double>("Inefficiency")),
      pedOffset((unsigned int)conf.getParameter<double>("PedestalsOffset")),
      PreMixing_(conf.getParameter<bool>("PreMixingMode")),
      theSiHitDigitizer(new SiHitDigitizer(conf)),
      theSiPileUpSignals(new SiPileUpSignals()),
      theSiNoiseAdder(new SiGaussianTailNoiseAdder(theThreshold)),
      theSiDigitalConverter(new SiTrivialDigitalConverter(theElectronPerADC, PreMixing_)),
      theSiZeroSuppress(new SiStripFedZeroSuppression(theFedAlgo)),
      APVProbabilityFile(conf.getParameter<edm::FileInPath>("APVProbabilityFile")) {
  if (peakMode) {
    LogDebug("StripDigiInfo") << "APVs running in peak mode (poor time resolution)";
  } else {
    LogDebug("StripDigiInfo") << "APVs running in deconvolution mode (good time resolution)";
  };
  if (SingleStripNoise)
    LogDebug("SiStripDigitizerAlgorithm") << " SingleStripNoise: ON";
  else
    LogDebug("SiStripDigitizerAlgorithm") << " SingleStripNoise: OFF";
  if (CommonModeNoise)
    LogDebug("SiStripDigitizerAlgorithm") << " CommonModeNoise: ON";
  else
    LogDebug("SiStripDigitizerAlgorithm") << " CommonModeNoise: OFF";
  if (PreMixing_ && APVSaturationFromHIP)
    throw cms::Exception("PreMixing does not work with HIP loss simulation yet");
  if (APVSaturationFromHIP) {
    std::string line;
    APVProbaFile.open((APVProbabilityFile.fullPath()).c_str());
    if (APVProbaFile.is_open()) {
      while (getline(APVProbaFile, line)) {
        std::vector<std::string> strs;
        boost::split(strs, line, boost::is_any_of(" "));
        if (strs.size() == 2) {
          mapOfAPVprobabilities[std::stoi(strs.at(0))] = std::stof(strs.at(1));
        }
      }
      APVProbaFile.close();
    } else
      throw cms::Exception("MissingInput") << "It seems that the APV probability list is missing\n";
  }
}

SiStripDigitizerAlgorithm::~SiStripDigitizerAlgorithm

(

)

Definition at line 102 of file SiStripDigitizerAlgorithm.cc.

{}

Member Function Documentation

void SiStripDigitizerAlgorithm::accumulateSimHits	(	const std::vector< PSimHit >::const_iterator	inputBegin,
		const std::vector< PSimHit >::const_iterator	inputEnd,
		size_t	inputBeginGlobalIndex,
		unsigned int	tofBin,
		const StripGeomDetUnit *	stripdet,
		const GlobalVector &	bfield,
		const TrackerTopology *	tTopo,
		CLHEP::HepRandomEngine *	engine
	)

Definition at line 151 of file SiStripDigitizerAlgorithm.cc.

References associationInfoForDetId_, cosmicShift, firstChannelsWithSignal, GeomDet::geographicalId(), SiStripLorentzAngle::getLorentzAngle(), inefficiency, edm::ESHandleBase::isValid(), lastChannelsWithSignal, lorentzAngleHandle, mag(), makeDigiSimLinks_, DetId::rawId(), StripGeomDetUnit::specificTopology(), GeomDet::surface(), theSiHitDigitizer, theSiPileUpSignals, tofCut, and Surface::toGlobal().

                                                                                {
  // produce SignalPoints for all SimHits in detector
  unsigned int detID = det->geographicalId().rawId();
  int numStrips = (det->specificTopology()).nstrips();

  size_t thisFirstChannelWithSignal = numStrips;
  size_t thisLastChannelWithSignal = 0;

  float langle = (lorentzAngleHandle.isValid()) ? lorentzAngleHandle->getLorentzAngle(detID) : 0.;

  std::vector<float> locAmpl(numStrips, 0.);

  // Loop over hits

  uint32_t detId = det->geographicalId().rawId();
  // First: loop on the SimHits
  if (CLHEP::RandFlat::shoot(engine) > inefficiency) {
    AssociationInfoForChannel* pDetIDAssociationInfo;  // I only need this if makeDigiSimLinks_ is true...
    if (makeDigiSimLinks_)
      pDetIDAssociationInfo = &(associationInfoForDetId_[detId]);  // ...so only search the map if that is the case
    std::vector<float>
        previousLocalAmplitude;  // Only used if makeDigiSimLinks_ is true. Needed to work out the change in amplitude.

    size_t simHitGlobalIndex = inputBeginGlobalIndex;  // This needs to stored to create the digi-sim link later
    for (std::vector<PSimHit>::const_iterator simHitIter = inputBegin; simHitIter != inputEnd;
         ++simHitIter, ++simHitGlobalIndex) {
      // skip hits not in this detector.
      if ((*simHitIter).detUnitId() != detId) {
        continue;
      }
      // check TOF
      if (std::fabs(simHitIter->tof() - cosmicShift -
                    det->surface().toGlobal(simHitIter->localPosition()).mag() / 30.) < tofCut &&
          simHitIter->energyLoss() > 0) {
        if (makeDigiSimLinks_)
          previousLocalAmplitude = locAmpl;  // Not needed except to make the sim link association.
        size_t localFirstChannel = numStrips;
        size_t localLastChannel = 0;
        // process the hit
        theSiHitDigitizer->processHit(
            &*simHitIter, *det, bfield, langle, locAmpl, localFirstChannel, localLastChannel, tTopo, engine);

        if (thisFirstChannelWithSignal > localFirstChannel)
          thisFirstChannelWithSignal = localFirstChannel;
        if (thisLastChannelWithSignal < localLastChannel)
          thisLastChannelWithSignal = localLastChannel;

        if (makeDigiSimLinks_) {  // No need to do any of this if truth association was turned off in the configuration
          for (size_t stripIndex = 0; stripIndex < locAmpl.size(); ++stripIndex) {
            // Work out the amplitude from this SimHit from the difference of what it was before and what it is now
            float signalFromThisSimHit = locAmpl[stripIndex] - previousLocalAmplitude[stripIndex];
            if (signalFromThisSimHit != 0) {  // If this SimHit had any contribution I need to record it.
              auto& associationVector = (*pDetIDAssociationInfo)[stripIndex];
              bool addNewEntry = true;
              // Make sure the hit isn't in already. I've seen this a few times, it always seems to happen in pairs so I think
              // it's something to do with the stereo strips.
              for (auto& associationInfo : associationVector) {
                if (associationInfo.trackID == simHitIter->trackId() &&
                    associationInfo.eventID == simHitIter->eventId()) {
                  // The hit is already in, so add this second contribution and move on
                  associationInfo.contributionToADC += signalFromThisSimHit;
                  addNewEntry = false;
                  break;
                }
              }  // end of loop over associationVector
              // If the hit wasn't already in create a new association info structure.
              if (addNewEntry)
                associationVector.push_back(AssociationInfo{
                    simHitIter->trackId(), simHitIter->eventId(), signalFromThisSimHit, simHitGlobalIndex, tofBin});
            }  // end of "if( signalFromThisSimHit!=0 )"
          }    // end of loop over locAmpl strips
        }      // end of "if( makeDigiSimLinks_ )"
      }        // end of TOF check
    }          // end for
  }
  theSiPileUpSignals->add(detID, locAmpl, thisFirstChannelWithSignal, thisLastChannelWithSignal);

  if (firstChannelsWithSignal[detID] > thisFirstChannelWithSignal)
    firstChannelsWithSignal[detID] = thisFirstChannelWithSignal;
  if (lastChannelsWithSignal[detID] < thisLastChannelWithSignal)
    lastChannelsWithSignal[detID] = thisLastChannelWithSignal;
}

void SiStripDigitizerAlgorithm::calculateInstlumiScale

(

PileupMixingContent *

puInfo

)

Definition at line 242 of file SiStripDigitizerAlgorithm.cc.

References APVSaturationProb_, FirstLumiCalc_, PileupMixingContent::getMix_bunchCrossing(), PileupMixingContent::getMix_bunchSpacing(), PileupMixingContent::getMix_TrueInteractions(), muonGEMDigis_cfi::instLumi, AlCaHLTBitMon_ParallelJobs::p, and muons2muons_cfi::pu.

                                                                                  {
  //Instlumi scalefactor calculating for dynamic inefficiency

  if (puInfo && FirstLumiCalc_) {
    const std::vector<int>& bunchCrossing = puInfo->getMix_bunchCrossing();
    const std::vector<float>& TrueInteractionList = puInfo->getMix_TrueInteractions();
    const int bunchSpacing = puInfo->getMix_bunchSpacing();

    double RevFreq = 11245.;
    double minBXsec = 70.0E-27;  // use 70mb as an approximation
    double Bunch = 2100.;        // 2016 value
    if (bunchSpacing == 50)
      Bunch = Bunch / 2.;

    int pui = 0, p = 0;
    std::vector<int>::const_iterator pu;
    std::vector<int>::const_iterator pu0 = bunchCrossing.end();

    for (pu = bunchCrossing.begin(); pu != bunchCrossing.end(); ++pu) {
      if (*pu == 0) {
        pu0 = pu;
        p = pui;
      }
      pui++;
    }
    if (pu0 != bunchCrossing.end()) {  // found the in-time interaction
      double Tintr = TrueInteractionList.at(p);
      double instLumi = Bunch * Tintr * RevFreq / minBXsec;
      APVSaturationProb_ = instLumi / 6.0E33;
    }
    FirstLumiCalc_ = false;
  }
}

void SiStripDigitizerAlgorithm::digitize	(	edm::DetSet< SiStripDigi > &	outDigis,
		edm::DetSet< SiStripRawDigi > &	outRawDigis,
		edm::DetSet< StripDigiSimLink > &	outLink,
		const StripGeomDetUnit *	stripdet,
		edm::ESHandle< SiStripGain > &	gainHandle,
		edm::ESHandle< SiStripThreshold > &	thresholdHandle,
		edm::ESHandle< SiStripNoises > &	noiseHandle,
		edm::ESHandle< SiStripPedestals > &	pedestalHandle,
		std::vector< std::pair< int, std::bitset< 6 >>> &	theAffectedAPVvector,
		CLHEP::HepRandomEngine *	engine
	)

Definition at line 278 of file SiStripDigitizerAlgorithm.cc.

References allBadChannels, APVSaturationFromHIP, APVSaturationProb_, associationInfoForDetId_, BaselineShift, cmnRMStec, cmnRMStib, cmnRMStid, cmnRMStob, CommonModeNoise, edm::DetSet< T >::data, SiPixelPhase1TrackClustersV_cfi::e3, firstChannelsWithSignal, FirstDigitize_, GeomDet::geographicalId(), SiStripNoises::getNoise(), SiStripPedestals::getPed(), SiStripNoises::getRange(), SiStripPedestals::getRange(), SiStripGain::getRange(), SiStripGain::getStripGain(), createfilelist::int, lastChannelsWithSignal, mapOfAPVprobabilities, noise, NumberOfBxBetweenHIPandEvent, pedOffset, PreMixing_, edm::DetSet< T >::push_back(), DetId::rawId(), RealPedestals, SingleStripNoise, SiStripTrackerAffectedAPVMap, StripGeomDetUnit::specificTopology(), digitizers_cfi::strip, ntupleEnum::SubDet, DetId::subdetId(), groupFilesInBlocks::temp, theElectronPerADC, theSiDigitalConverter, theSiNoiseAdder, theSiPileUpSignals, theSiZeroSuppress, and zeroSuppression.

                                                                       {
  unsigned int detID = det->geographicalId().rawId();
  int numStrips = (det->specificTopology()).nstrips();

  const SiPileUpSignals::SignalMapType* theSignal(theSiPileUpSignals->getSignal(detID));

  std::vector<float> detAmpl(numStrips, 0.);
  if (theSignal) {
    for (const auto& amp : *theSignal) {
      detAmpl[amp.first] = amp.second;
    }
  }

  //removing signal from the dead (and HIP effected) strips
  std::vector<bool>& badChannels = allBadChannels[detID];
  for (int strip = 0; strip < numStrips; ++strip) {
    if (badChannels[strip]) {
      detAmpl[strip] = 0.;
    }
  }

  if (APVSaturationFromHIP) {
    //Implementation of the proper charge scaling function. Need consider resaturation effect:
    //The probability map gives  the probability that at least one HIP happened during the last N bunch crossings (cfr APV recovery time).
    //The impact on the charge depends on the clostest HIP occurance (in terms of bunch crossing).
    //The function discribing the APV recovery is therefore the weighted average function which takes into account all possibilities of HIP occurances across the last bx's.

    // do this step here because we now have access to luminosity information
    if (FirstDigitize_) {
      for (std::map<int, float>::iterator iter = mapOfAPVprobabilities.begin(); iter != mapOfAPVprobabilities.end();
           ++iter) {
        std::bitset<6> bs;
        for (int Napv = 0; Napv < 6; Napv++) {
          float cursor = CLHEP::RandFlat::shoot(engine);
          bs[Napv] = cursor < iter->second * APVSaturationProb_
                         ? true
                         : false;  //APVSaturationProb has been scaled by PU luminosity
        }
        SiStripTrackerAffectedAPVMap[iter->first] = bs;
      }

      NumberOfBxBetweenHIPandEvent = 1e3;
      bool HasAtleastOneAffectedAPV = false;
      while (!HasAtleastOneAffectedAPV) {
        for (int bx = floor(300.0 / 25.0); bx > 0; bx--) {  //Reminder: make these numbers not hard coded!!
          float temp = CLHEP::RandFlat::shoot(engine) < 0.5 ? 1 : 0;
          if (temp == 1 && bx < NumberOfBxBetweenHIPandEvent) {
            NumberOfBxBetweenHIPandEvent = bx;
            HasAtleastOneAffectedAPV = true;
          }
        }
      }

      FirstDigitize_ = false;
    }

    std::bitset<6>& bs = SiStripTrackerAffectedAPVMap[detID];

    if (bs.any()) {
      // store this information so it can be saved to the event later
      theAffectedAPVvector.push_back(std::make_pair(detID, bs));

      if (!PreMixing_) {
        // Here below is the scaling function which describes the evolution of the baseline (i.e. how the charge is suppressed).
        // This must be replaced as soon as we have a proper modeling of the baseline evolution from VR runs
        float Shift =
            1 - NumberOfBxBetweenHIPandEvent / floor(300.0 / 25.0);  //Reminder: make these numbers not hardcoded!!
        float randomX = CLHEP::RandFlat::shoot(engine);
        float scalingValue = (randomX - Shift) * 10.0 / 7.0 - 3.0 / 7.0;

        for (int strip = 0; strip < numStrips; ++strip) {
          if (!badChannels[strip] && bs[strip / 128] == 1) {
            detAmpl[strip] *= scalingValue > 0 ? scalingValue : 0.0;
          }
        }
      }
    }
  }

  SiStripNoises::Range detNoiseRange = noiseHandle->getRange(detID);
  SiStripApvGain::Range detGainRange = gainHandle->getRange(detID);
  SiStripPedestals::Range detPedestalRange = pedestalHandle->getRange(detID);

  // -----------------------------------------------------------

  auto& firstChannelWithSignal = firstChannelsWithSignal[detID];
  auto& lastChannelWithSignal = lastChannelsWithSignal[detID];
  auto iAssociationInfoByChannel =
      associationInfoForDetId_.find(detID);  // Use an iterator so that I can easily remove it once finished

  if (zeroSuppression) {
    //Adding the strip noise
    //------------------------------------------------------
    if (noise) {
      if (SingleStripNoise) {
        //      std::cout<<"In SSN, detId="<<detID<<std::endl;
        std::vector<float> noiseRMSv;
        noiseRMSv.clear();
        noiseRMSv.insert(noiseRMSv.begin(), numStrips, 0.);
        for (int strip = 0; strip < numStrips; ++strip) {
          if (!badChannels[strip]) {
            float gainValue = gainHandle->getStripGain(strip, detGainRange);
            noiseRMSv[strip] = (noiseHandle->getNoise(strip, detNoiseRange)) * theElectronPerADC / gainValue;
            //std::cout<<"<SiStripDigitizerAlgorithm::digitize>: gainValue: "<<gainValue<<"\tnoiseRMSv["<<strip<<"]: "<<noiseRMSv[strip]<<std::endl;
          }
        }
        theSiNoiseAdder->addNoiseVR(detAmpl, noiseRMSv, engine);
      } else {
        int RefStrip = int(numStrips / 2.);
        while (RefStrip < numStrips &&
               badChannels[RefStrip]) {  //if the refstrip is bad, I move up to when I don't find it
          RefStrip++;
        }
        if (RefStrip < numStrips) {
          float RefgainValue = gainHandle->getStripGain(RefStrip, detGainRange);
          float RefnoiseRMS = noiseHandle->getNoise(RefStrip, detNoiseRange) * theElectronPerADC / RefgainValue;

          theSiNoiseAdder->addNoise(
              detAmpl, firstChannelWithSignal, lastChannelWithSignal, numStrips, RefnoiseRMS, engine);
          //std::cout<<"<SiStripDigitizerAlgorithm::digitize>: RefgainValue: "<<RefgainValue<<"\tRefnoiseRMS: "<<RefnoiseRMS<<std::endl;
        }
      }
    }  //if noise

    DigitalVecType digis;
    theSiZeroSuppress->suppress(
        theSiDigitalConverter->convert(detAmpl, gainHandle, detID), digis, detID, noiseHandle, thresholdHandle);
    // Now do the association to truth. Note that if truth association was turned off in the configuration this map
    // will be empty and the iterator will always equal associationInfoForDetId_.end().
    if (iAssociationInfoByChannel !=
        associationInfoForDetId_.end()) {  // make sure the readings for this DetID aren't completely from noise
      for (const auto& iDigi : digis) {
        auto& associationInfoByChannel = iAssociationInfoByChannel->second;
        const std::vector<AssociationInfo>& associationInfo = associationInfoByChannel[iDigi.channel()];

        // Need to find the total from all sim hits, because this might not be the same as the total
        // digitised due to noise or whatever.
        float totalSimADC = 0;
        for (const auto& iAssociationInfo : associationInfo)
          totalSimADC += iAssociationInfo.contributionToADC;
        // Now I know that I can loop again and create the links
        for (const auto& iAssociationInfo : associationInfo) {
          // Note simHitGlobalIndex used to have +1 because TrackerHitAssociator (the only place I can find this value being used)
          // expected counting to start at 1, not 0.  Now changed.
          outLink.push_back(StripDigiSimLink(iDigi.channel(),
                                             iAssociationInfo.trackID,
                                             iAssociationInfo.simHitGlobalIndex,
                                             iAssociationInfo.tofBin,
                                             iAssociationInfo.eventID,
                                             iAssociationInfo.contributionToADC / totalSimADC));
        }  // end of loop over associationInfo
      }    // end of loop over the digis
    }      // end of check that iAssociationInfoByChannel is a valid iterator
    outdigi.data = digis;
  }  //if zeroSuppression

  if (!zeroSuppression) {
    //if(noise){
    // the constant pedestal offset is needed because
    //   negative adc counts are not allowed in case
    //   Pedestal and CMN subtraction is performed.
    //   The pedestal value read from the conditions
    //   is pedValue and after the pedestal subtraction
    //   the baseline is zero. The Common Mode Noise
    //   is not subtracted from the negative adc counts
    //   channels. Adding pedOffset the baseline is set
    //   to pedOffset after pedestal subtraction and CMN
    //   is subtracted to all the channels since none of
    //   them has negative adc value. The pedOffset is
    //   treated as a constant component in the CMN
    //   estimation and subtracted as CMN.

    //calculating the charge deposited on each APV and subtracting the shift
    //------------------------------------------------------
    if (BaselineShift) {
      theSiNoiseAdder->addBaselineShift(detAmpl, badChannels);
    }

    //Adding the strip noise
    //------------------------------------------------------
    if (noise) {
      std::vector<float> noiseRMSv;
      noiseRMSv.clear();
      noiseRMSv.insert(noiseRMSv.begin(), numStrips, 0.);

      if (SingleStripNoise) {
        for (int strip = 0; strip < numStrips; ++strip) {
          if (!badChannels[strip])
            noiseRMSv[strip] = (noiseHandle->getNoise(strip, detNoiseRange)) * theElectronPerADC;
        }

      } else {
        int RefStrip = 0;  //int(numStrips/2.);
        while (RefStrip < numStrips &&
               badChannels[RefStrip]) {  //if the refstrip is bad, I move up to when I don't find it
          RefStrip++;
        }
        if (RefStrip < numStrips) {
          float noiseRMS = noiseHandle->getNoise(RefStrip, detNoiseRange) * theElectronPerADC;
          for (int strip = 0; strip < numStrips; ++strip) {
            if (!badChannels[strip])
              noiseRMSv[strip] = noiseRMS;
          }
        }
      }

      theSiNoiseAdder->addNoiseVR(detAmpl, noiseRMSv, engine);
    }

    //adding the CMN
    //------------------------------------------------------
    if (CommonModeNoise) {
      float cmnRMS = 0.;
      DetId detId(detID);
      uint32_t SubDet = detId.subdetId();
      if (SubDet == 3) {
        cmnRMS = cmnRMStib;
      } else if (SubDet == 4) {
        cmnRMS = cmnRMStid;
      } else if (SubDet == 5) {
        cmnRMS = cmnRMStob;
      } else if (SubDet == 6) {
        cmnRMS = cmnRMStec;
      }
      cmnRMS *= theElectronPerADC;
      theSiNoiseAdder->addCMNoise(detAmpl, cmnRMS, badChannels, engine);
    }

    //Adding the pedestals
    //------------------------------------------------------

    std::vector<float> vPeds;
    vPeds.clear();
    vPeds.insert(vPeds.begin(), numStrips, 0.);

    if (RealPedestals) {
      for (int strip = 0; strip < numStrips; ++strip) {
        if (!badChannels[strip])
          vPeds[strip] = (pedestalHandle->getPed(strip, detPedestalRange) + pedOffset) * theElectronPerADC;
      }
    } else {
      for (int strip = 0; strip < numStrips; ++strip) {
        if (!badChannels[strip])
          vPeds[strip] = pedOffset * theElectronPerADC;
      }
    }

    theSiNoiseAdder->addPedestals(detAmpl, vPeds);

    //if(!RealPedestals&&!CommonModeNoise&&!noise&&!BaselineShift&&!APVSaturationFromHIP){
    //  edm::LogWarning("SiStripDigitizer")<<"You are running the digitizer without Noise generation and without applying Zero Suppression. ARE YOU SURE???";
    //}else{

    DigitalRawVecType rawdigis = theSiDigitalConverter->convertRaw(detAmpl, gainHandle, detID);

    // Now do the association to truth. Note that if truth association was turned off in the configuration this map
    // will be empty and the iterator will always equal associationInfoForDetId_.end().
    if (iAssociationInfoByChannel !=
        associationInfoForDetId_.end()) {  // make sure the readings for this DetID aren't completely from noise
      // N.B. For the raw digis the channel is inferred from the position in the vector.
      // I'VE NOT TESTED THIS YET!!!!!
      // ToDo Test this properly.
      for (size_t channel = 0; channel < rawdigis.size(); ++channel) {
        auto& associationInfoByChannel = iAssociationInfoByChannel->second;
        const auto iAssociationInfo = associationInfoByChannel.find(channel);
        if (iAssociationInfo == associationInfoByChannel.end())
          continue;  // Skip if there is no sim information for this channel (i.e. it's all noise)
        const std::vector<AssociationInfo>& associationInfo = iAssociationInfo->second;

        // Need to find the total from all sim hits, because this might not be the same as the total
        // digitised due to noise or whatever.
        float totalSimADC = 0;
        for (const auto& iAssociationInfo : associationInfo)
          totalSimADC += iAssociationInfo.contributionToADC;
        // Now I know that I can loop again and create the links
        for (const auto& iAssociationInfo : associationInfo) {
          // Note simHitGlobalIndex used to have +1 because TrackerHitAssociator (the only place I can find this value being used)
          // expected counting to start at 1, not 0.  Now changed.
          outLink.push_back(StripDigiSimLink(channel,
                                             iAssociationInfo.trackID,
                                             iAssociationInfo.simHitGlobalIndex,
                                             iAssociationInfo.tofBin,
                                             iAssociationInfo.eventID,
                                             iAssociationInfo.contributionToADC / totalSimADC));
        }  // end of loop over associationInfo
      }    // end of loop over the digis
    }      // end of check that iAssociationInfoByChannel is a valid iterator

    outrawdigi.data = rawdigis;

    //}
  }

  // Now that I've finished with this entry in the map of associations, I can remove it.
  // Note that there might not be an association if the ADC reading is from noise in which
  // case associationIsValid will be false.
  if (iAssociationInfoByChannel != associationInfoForDetId_.end())
    associationInfoForDetId_.erase(iAssociationInfoByChannel);
}

void SiStripDigitizerAlgorithm::initializeDetUnit	(	StripGeomDetUnit const *	det,
		const edm::EventSetup &	iSetup
	)

Definition at line 104 of file SiStripDigitizerAlgorithm.cc.

References allBadChannels, SiStripBadStrip::decode(), firstChannelsWithSignal, SiStripBadStrip::data::firstStrip, GeomDet::geographicalId(), edm::EventSetup::get(), SiStripBadStrip::getRange(), lastChannelsWithSignal, SiStripBadStrip::data::range, DetId::rawId(), StripGeomDetUnit::specificTopology(), and digitizers_cfi::strip.

                                                                                                          {
  edm::ESHandle<SiStripBadStrip> deadChannelHandle;
  iSetup.get<SiStripBadChannelRcd>().get(deadChannelHandle);

  unsigned int detId = det->geographicalId().rawId();
  int numStrips = (det->specificTopology()).nstrips();

  SiStripBadStrip::Range detBadStripRange = deadChannelHandle->getRange(detId);
  //storing the bad strip of the the module. the module is not removed but just signal put to 0
  std::vector<bool>& badChannels = allBadChannels[detId];
  badChannels.clear();
  badChannels.insert(badChannels.begin(), numStrips, false);
  for (SiStripBadStrip::ContainerIterator it = detBadStripRange.first; it != detBadStripRange.second; ++it) {
    SiStripBadStrip::data fs = deadChannelHandle->decode(*it);
    for (int strip = fs.firstStrip; strip < fs.firstStrip + fs.range; ++strip) {
      badChannels[strip] = true;
    }
  }
  firstChannelsWithSignal[detId] = numStrips;
  lastChannelsWithSignal[detId] = 0;

  //  if(APVSaturationFromHIP){
  //  std::bitset<6> &bs=SiStripTrackerAffectedAPVMap[detId];
  //  if(bs.any())theAffectedAPVvector.push_back(std::make_pair(detId,bs));
  //}
}

void SiStripDigitizerAlgorithm::initializeEvent

(

const edm::EventSetup &

iSetup

)

Definition at line 131 of file SiStripDigitizerAlgorithm.cc.

References APVSaturationProb_, APVSaturationProbScaling_, associationInfoForDetId_, FirstDigitize_, FirstLumiCalc_, edm::EventSetup::get(), edm::EventSetup::getData(), lorentzAngleHandle, lorentzAngleName, pdt, setParticleDataTable(), SiStripTrackerAffectedAPVMap, and theSiPileUpSignals.

                                                                           {
  theSiPileUpSignals->reset();
  // This should be clear by after all calls to digitize(), but I might as well make sure
  associationInfoForDetId_.clear();

  APVSaturationProb_ = APVSaturationProbScaling_;  // reset probability
  SiStripTrackerAffectedAPVMap.clear();
  FirstLumiCalc_ = true;
  FirstDigitize_ = true;

  //get gain noise pedestal lorentzAngle from ES handle
  edm::ESHandle<ParticleDataTable> pdt;
  iSetup.getData(pdt);
  setParticleDataTable(&*pdt);
  iSetup.get<SiStripLorentzAngleSimRcd>().get(lorentzAngleName, lorentzAngleHandle);
}

void SiStripDigitizerAlgorithm::setParticleDataTable ( const ParticleDataTable *  pardt )

inline

Definition at line 95 of file SiStripDigitizerAlgorithm.h.

Referenced by initializeEvent().

                                                            {
    theSiHitDigitizer->setParticleDataTable(pardt);
    pdt = pardt;
  }

Member Data Documentation

std::map<unsigned int, std::vector<bool> > SiStripDigitizerAlgorithm::allBadChannels

private

Definition at line 143 of file SiStripDigitizerAlgorithm.h.

Referenced by digitize(), and initializeDetUnit().

std::map<unsigned int, std::vector<bool> > SiStripDigitizerAlgorithm::allHIPChannels

private

Definition at line 144 of file SiStripDigitizerAlgorithm.h.

edm::FileInPath SiStripDigitizerAlgorithm::APVProbabilityFile

private

Definition at line 167 of file SiStripDigitizerAlgorithm.h.

Referenced by SiStripDigitizerAlgorithm().

std::ifstream SiStripDigitizerAlgorithm::APVProbaFile

private

Definition at line 169 of file SiStripDigitizerAlgorithm.h.

Referenced by SiStripDigitizerAlgorithm().

const bool SiStripDigitizerAlgorithm::APVSaturationFromHIP

private

Definition at line 116 of file SiStripDigitizerAlgorithm.h.

Referenced by digitize(), and SiStripDigitizerAlgorithm().

double SiStripDigitizerAlgorithm::APVSaturationProb_

private

Definition at line 132 of file SiStripDigitizerAlgorithm.h.

Referenced by calculateInstlumiScale(), digitize(), and initializeEvent().

const double SiStripDigitizerAlgorithm::APVSaturationProbScaling_

private

Definition at line 107 of file SiStripDigitizerAlgorithm.h.

Referenced by initializeEvent().

AssociationInfoForDetId SiStripDigitizerAlgorithm::associationInfoForDetId_

private

Structure that holds the information on the SimTrack contributions. Only filled if makeDigiSimLinks_ is true.

Definition at line 165 of file SiStripDigitizerAlgorithm.h.

Referenced by accumulateSimHits(), digitize(), and initializeEvent().

const bool SiStripDigitizerAlgorithm::BaselineShift

private

Definition at line 115 of file SiStripDigitizerAlgorithm.h.

Referenced by digitize().

const double SiStripDigitizerAlgorithm::cmnRMStec

private

Definition at line 106 of file SiStripDigitizerAlgorithm.h.

Referenced by digitize().

const double SiStripDigitizerAlgorithm::cmnRMStib

private

Definition at line 103 of file SiStripDigitizerAlgorithm.h.

Referenced by digitize().

const double SiStripDigitizerAlgorithm::cmnRMStid

private

Definition at line 105 of file SiStripDigitizerAlgorithm.h.

Referenced by digitize().

const double SiStripDigitizerAlgorithm::cmnRMStob

private

Definition at line 104 of file SiStripDigitizerAlgorithm.h.

Referenced by digitize().

const bool SiStripDigitizerAlgorithm::CommonModeNoise

private

Definition at line 114 of file SiStripDigitizerAlgorithm.h.

Referenced by digitize(), and SiStripDigitizerAlgorithm().

const double SiStripDigitizerAlgorithm::cosmicShift

private

Definition at line 124 of file SiStripDigitizerAlgorithm.h.

Referenced by accumulateSimHits().

std::map<unsigned int, size_t> SiStripDigitizerAlgorithm::firstChannelsWithSignal

private

Definition at line 146 of file SiStripDigitizerAlgorithm.h.

Referenced by accumulateSimHits(), digitize(), and initializeDetUnit().

bool SiStripDigitizerAlgorithm::FirstDigitize_

private

Definition at line 134 of file SiStripDigitizerAlgorithm.h.

Referenced by digitize(), and initializeEvent().

bool SiStripDigitizerAlgorithm::FirstLumiCalc_

private

Definition at line 133 of file SiStripDigitizerAlgorithm.h.

Referenced by calculateInstlumiScale(), and initializeEvent().

const double SiStripDigitizerAlgorithm::inefficiency

private

Definition at line 125 of file SiStripDigitizerAlgorithm.h.

Referenced by accumulateSimHits().

std::map<unsigned int, size_t> SiStripDigitizerAlgorithm::lastChannelsWithSignal

private

Definition at line 147 of file SiStripDigitizerAlgorithm.h.

Referenced by accumulateSimHits(), digitize(), and initializeDetUnit().

edm::ESHandle<SiStripLorentzAngle> SiStripDigitizerAlgorithm::lorentzAngleHandle

private

Definition at line 150 of file SiStripDigitizerAlgorithm.h.

Referenced by accumulateSimHits(), and initializeEvent().

const std::string SiStripDigitizerAlgorithm::lorentzAngleName

private

Definition at line 101 of file SiStripDigitizerAlgorithm.h.

Referenced by initializeEvent().

const bool SiStripDigitizerAlgorithm::makeDigiSimLinks_

private

Definition at line 109 of file SiStripDigitizerAlgorithm.h.

Referenced by accumulateSimHits().

std::map<int, float> SiStripDigitizerAlgorithm::mapOfAPVprobabilities

private

Definition at line 170 of file SiStripDigitizerAlgorithm.h.

Referenced by digitize(), and SiStripDigitizerAlgorithm().

const bool SiStripDigitizerAlgorithm::noise

private

Definition at line 111 of file SiStripDigitizerAlgorithm.h.

Referenced by digitize().

int SiStripDigitizerAlgorithm::NumberOfBxBetweenHIPandEvent

private

Definition at line 172 of file SiStripDigitizerAlgorithm.h.

Referenced by digitize().

const ParticleData* SiStripDigitizerAlgorithm::particle

private

Definition at line 130 of file SiStripDigitizerAlgorithm.h.

const ParticleDataTable* SiStripDigitizerAlgorithm::pdt

private

Definition at line 129 of file SiStripDigitizerAlgorithm.h.

Referenced by initializeEvent().

const bool SiStripDigitizerAlgorithm::peakMode

private

Definition at line 110 of file SiStripDigitizerAlgorithm.h.

Referenced by SiStripDigitizerAlgorithm().

const double SiStripDigitizerAlgorithm::pedOffset

private

Definition at line 126 of file SiStripDigitizerAlgorithm.h.

Referenced by digitize().

const bool SiStripDigitizerAlgorithm::PreMixing_

private

Definition at line 127 of file SiStripDigitizerAlgorithm.h.

Referenced by digitize(), and SiStripDigitizerAlgorithm().

const bool SiStripDigitizerAlgorithm::RealPedestals

private

Definition at line 112 of file SiStripDigitizerAlgorithm.h.

Referenced by digitize().

const bool SiStripDigitizerAlgorithm::SingleStripNoise

private

Definition at line 113 of file SiStripDigitizerAlgorithm.h.

Referenced by digitize(), and SiStripDigitizerAlgorithm().

std::map<int, std::bitset<6> > SiStripDigitizerAlgorithm::SiStripTrackerAffectedAPVMap

private

Definition at line 171 of file SiStripDigitizerAlgorithm.h.

Referenced by digitize(), and initializeEvent().

const double SiStripDigitizerAlgorithm::theElectronPerADC

private

Definition at line 120 of file SiStripDigitizerAlgorithm.h.

Referenced by digitize().

const int SiStripDigitizerAlgorithm::theFedAlgo

private

Definition at line 118 of file SiStripDigitizerAlgorithm.h.

const std::unique_ptr<SiTrivialDigitalConverter> SiStripDigitizerAlgorithm::theSiDigitalConverter

private

Definition at line 139 of file SiStripDigitizerAlgorithm.h.

Referenced by digitize().

const std::unique_ptr<SiHitDigitizer> SiStripDigitizerAlgorithm::theSiHitDigitizer

private

Definition at line 136 of file SiStripDigitizerAlgorithm.h.

Referenced by accumulateSimHits().

const std::unique_ptr<const SiGaussianTailNoiseAdder> SiStripDigitizerAlgorithm::theSiNoiseAdder

private

Definition at line 138 of file SiStripDigitizerAlgorithm.h.

Referenced by digitize().

const std::unique_ptr<SiPileUpSignals> SiStripDigitizerAlgorithm::theSiPileUpSignals

private

Definition at line 137 of file SiStripDigitizerAlgorithm.h.

Referenced by accumulateSimHits(), digitize(), and initializeEvent().

const std::unique_ptr<SiStripFedZeroSuppression> SiStripDigitizerAlgorithm::theSiZeroSuppress

private

Definition at line 140 of file SiStripDigitizerAlgorithm.h.

Referenced by digitize().

const double SiStripDigitizerAlgorithm::theThreshold

private

Definition at line 102 of file SiStripDigitizerAlgorithm.h.

const double SiStripDigitizerAlgorithm::theTOFCutForDeconvolution

private

Definition at line 122 of file SiStripDigitizerAlgorithm.h.

const double SiStripDigitizerAlgorithm::theTOFCutForPeak

private

Definition at line 121 of file SiStripDigitizerAlgorithm.h.

const double SiStripDigitizerAlgorithm::tofCut

private

Definition at line 123 of file SiStripDigitizerAlgorithm.h.

Referenced by accumulateSimHits().

const bool SiStripDigitizerAlgorithm::zeroSuppression

private

Definition at line 119 of file SiStripDigitizerAlgorithm.h.

Referenced by digitize().