TPedValues Class Reference

#include <TPedValues.h>

Public Member Functions
int	checkEntries (const int &DACstart=0, const int &DACend=256) const
	check whether the scan was complete in the range More...
int	getCrystalNumber (int xtal) const
	return the index from the table More...
void	insert (const int gainId, const int crystal, const int DAC, const int pedestal, const int endcapIndex)
	add a single value More...
int	makePlots (TFile *rootFile, const std::string &dirName, const double maxSlopeAllowed, const double minSlopeAllowed, const double maxChi2OverNDF) const
	create a plot of the DAC pedestal trend More...
TPedResult	terminate (const int &DACstart=0, const int &DACend=256) const
	calculate the offset values for all the containers More...
	TPedValues (double RMSmax=2, int bestPedestal=200)
	ctor More...
	TPedValues (const TPedValues &orig)
	copy ctor More...
	~TPedValues ()
	dtor More...

Private Attributes
int	endcapCrystalNumbers [1700]
int	m_bestPedestal
TSinglePedEntry	m_entries [3][1700][256]
double	m_RMSmax

Detailed Description

Definition at line 19 of file TPedValues.h.

Constructor & Destructor Documentation

TPedValues() [1/2]

TPedValues::TPedValues	(	double	RMSmax = 2,
		int	bestPedestal = 200
	)

ctor

Definition at line 16 of file TPedValues.cc.

References endcapCrystalNumbers, mps_fire::i, and LogDebug.

                                                      : m_bestPedestal(bestPedestal), m_RMSmax(RMSmax) {
  LogDebug("EcalPedOffset") << "entering TPedValues ctor ...";
  for (int i = 0; i < 1700; ++i)
    endcapCrystalNumbers[i] = 0;
}

TPedValues() [2/2]

TPedValues::TPedValues

(

const TPedValues &

orig

)

copy ctor

Definition at line 22 of file TPedValues.cc.

References endcapCrystalNumbers, cms::cuda::for(), PedestalClient_cfi::gain, mps_fire::i, LogDebug, m_bestPedestal, m_entries, and m_RMSmax.

                                             {
  LogDebug("EcalPedOffset") << "entering TPedValues copyctor ...";
  m_bestPedestal = orig.m_bestPedestal;
  m_RMSmax = orig.m_RMSmax;

  for (int gain = 0; gain < 3; ++gain)
    for (int crystal = 0; crystal < 1700; ++crystal)
      for (int DAC = 0; DAC < 256; ++DAC)
        m_entries[gain][crystal][DAC] = orig.m_entries[gain][crystal][DAC];

  for (int i = 0; i < 1700; ++i)
    endcapCrystalNumbers[i] = orig.endcapCrystalNumbers[i];
}

~TPedValues()

TPedValues::~TPedValues

(

)

dtor

Definition at line 36 of file TPedValues.cc.

{}

Member Function Documentation

checkEntries()

int TPedValues::checkEntries	(	const int &	DACstart = 0,
		const int &	DACend = 256
	)		const

check whether the scan was complete in the range

loop over gains

loop over crystals

loop over DAC values

do something!

loop over DAC values

Definition at line 112 of file TPedValues.cc.

References cms::cuda::assert(), TSinglePedEntry::average(), ecalLiteDTU::gainId(), m_entries, and runEdmFileComparison::returnCode.

                                                                         {
  assert(DACstart >= 0);
  assert(DACend <= 256);
  int returnCode = 0;
  for (int gainId = 1; gainId < 4; ++gainId) {
    for (int crystal = 0; crystal < 1700; ++crystal) {
      for (int DAC = DACstart; DAC < DACend; ++DAC) {
        double average = m_entries[gainId - 1][crystal][DAC].average();
        if (average == -1) {
          ++returnCode;
          /*
                            std::cerr << "[TPedValues][checkEntries] WARNING!"
                                      << "\tgainId " << gainId
                                      << "\tcrystal " << crystal+1
                                      << "\tDAC " << DAC
                                      << " : pedestal measurement missing"
                                      << std::endl ;
          */
        }
        /*
                      std::cout << "[pietro][RMS]: " <<
           m_entries[gainId-1][crystal][DAC].RMS ()     //FIXME
                                << "\t" <<
           m_entries[gainId-1][crystal][DAC].RMSSq () //FIXME
                                << "\t" << DAC //FIXME
                                << "\t" << gainId //FIXME
                                << "\t" << crystal << std::endl ; //FIXME
        */
      }  
    }    // loop over crystals
  }      // loop over gains
  return returnCode;
}

getCrystalNumber()

int TPedValues::getCrystalNumber

(

int

xtal

)

const

return the index from the table

Definition at line 247 of file TPedValues.cc.

References endcapCrystalNumbers.

{ return endcapCrystalNumbers[xtal]; }

insert()

void TPedValues::insert	(	const int	gainId,
		const int	crystal,
		const int	DAC,
		const int	pedestal,
		const int	endcapIndex
	)

add a single value

Definition at line 38 of file TPedValues.cc.

References endcapCrystalNumbers, ecalLiteDTU::gainId(), TSinglePedEntry::insert(), m_entries, and EcalCondDBWriter_cfi::pedestal.

Referenced by SequenceTypes.Schedule::_replaceIfHeldDirectly().

                                                                                                                     {
  //  assert (gainId > 0) ;
  //  assert (gainId < 4) ;
  if (gainId <= 0 || gainId >= 4) {
    edm::LogWarning("EcalPedOffset") << "WARNING : TPedValues : gainId " << gainId << " does not exist, entry skipped";
    return;
  }
  //  assert (crystal > 0) ;
  //  assert (crystal <= 1700) ;
  if (crystal <= 0 || crystal > 1700) {
    edm::LogWarning("EcalPedOffset") << "WARNING : TPedValues : crystal " << crystal
                                     << " does not exist, entry skipped";
    return;
  }
  //  assert (DAC >= 0) ;
  //  assert (DAC < 256) ;
  if (DAC < 0 || DAC >= 256) {
    edm::LogWarning("EcalPedOffset") << "WARNING : TPedValues : DAC value " << DAC << " is out range, entry skipped";
    return;
  }
  m_entries[gainId - 1][crystal - 1][DAC].insert(pedestal);
  endcapCrystalNumbers[crystal - 1] = endcapIndex;
  return;
}

makePlots()

int TPedValues::makePlots	(	TFile *	rootFile,
		const std::string &	dirName,
		const double	maxSlopeAllowed,
		const double	minSlopeAllowed,
		const double	maxChi2OverNDF
	)		const

create a plot of the DAC pedestal trend

Definition at line 151 of file TPedValues.cc.

References TSinglePedEntry::average(), TrackerOfflineValidation_Dqm_cff::dirName, endcapCrystalNumbers, PedestalClient_cfi::gain, createfilelist::int, m_entries, Skims_PA_cff::name, TSinglePedEntry::RMS(), SiStripPI::rms, beamSpotPI::sigmaX, and beamSpotPI::sigmaY.

                                                             {
  using namespace std;
  // prepare the ROOT file
  if (!rootFile->cd(dirName.c_str())) {
    rootFile->mkdir(dirName.c_str());
    rootFile->cd(dirName.c_str());
  }

  // loop over the crystals
  for (int xtl = 0; xtl < 1700; ++xtl) {
    // loop over the gains
    for (int gain = 0; gain < 3; ++gain) {
      vector<double> asseX;
      vector<double> sigmaX;
      vector<double> asseY;
      vector<double> sigmaY;
      asseX.reserve(256);
      sigmaX.reserve(256);
      asseY.reserve(256);
      sigmaY.reserve(256);
      // loop over DAC values
      for (int dac = 0; dac < 256; ++dac) {
        double average = m_entries[gain][xtl][dac].average();
        if (average > -1) {
          double rms = m_entries[gain][xtl][dac].RMS();
          asseX.push_back(dac);
          sigmaX.push_back(0);
          asseY.push_back(average);
          sigmaY.push_back(rms);
        }
      }  // loop over DAC values
      if (!asseX.empty()) {
        int lastBin = 0;
        while (lastBin < (int)asseX.size() - 1 && asseY[lastBin + 1] > 0 &&
               (asseY[lastBin + 1] - asseY[lastBin + 2]) != 0)
          lastBin++;

        int fitRangeEnd = (int)asseX[lastBin];
        int kinkPt = 64;
        if (fitRangeEnd < 66)
          kinkPt = fitRangeEnd - 4;
        TGraphErrors graph(asseX.size(), &(*asseX.begin()), &(*asseY.begin()), &(*sigmaX.begin()), &(*sigmaY.begin()));
        char funct[120];
        sprintf(funct, "(x<%d)*([0]*x+[1])+(x>=%d)*([2]*x+[3])", kinkPt, kinkPt);
        TF1 fitFunction("fitFunction", funct, asseX[0], fitRangeEnd);
        fitFunction.SetLineColor(2);

        char name[120];
        int gainHuman;
        if (gain == 0)
          gainHuman = 12;
        else if (gain == 1)
          gainHuman = 6;
        else if (gain == 2)
          gainHuman = 1;
        else
          gainHuman = -1;
        sprintf(name, "XTL%04d_GAIN%02d", endcapCrystalNumbers[xtl], gainHuman);
        graph.GetXaxis()->SetTitle("DAC value");
        graph.GetYaxis()->SetTitle("Average pedestal ADC");
        graph.Fit(&fitFunction, "RWQ");
        graph.Write(name);

        double slope1 = fitFunction.GetParameter(0);
        double slope2 = fitFunction.GetParameter(2);

        if (fitFunction.GetChisquare() / fitFunction.GetNDF() > maxChi2OverNDF ||
            fitFunction.GetChisquare() / fitFunction.GetNDF() < 0 || slope1 > 0 || slope2 > 0 ||
            ((slope1 < -29 || slope1 > -18) && slope1 < 0) || ((slope2 < -29 || slope2 > -18) && slope2 < 0)) {
          edm::LogError("EcalPedOffset") << "TPedValues : TGraph for channel:" << endcapCrystalNumbers[xtl]
                                         << " gain:" << gainHuman << " is not linear;"
                                         << "  slope of line1:" << fitFunction.GetParameter(0)
                                         << " slope of line2:" << fitFunction.GetParameter(2) << " reduced chi-squared:"
                                         << fitFunction.GetChisquare() / fitFunction.GetNDF();
        }
        // LogDebug("EcalPedOffset") << "TPedValues : TGraph for channel:" <<
        // xtl+1 << " gain:"
        //  << gainHuman << " has " << asseX.size() << " points...back is:" <<
        //  asseX.back()
        //  << " and front+1 is:" << asseX.front()+1;
        if ((asseX.back() - asseX.front() + 1) != asseX.size())
          edm::LogError("EcalPedOffset") << "TPedValues : Pedestal average not found "
                                         << "for all DAC values scanned in channel:" << endcapCrystalNumbers[xtl]
                                         << " gain:" << gainHuman;
      }
    }  // loop over the gains
  }    // (loop over the crystals)

  return 0;
}

terminate()

TPedResult TPedValues::terminate	(	const int &	DACstart = 0,
		const int &	DACend = 256
	)		const

calculate the offset values for all the containers

loop over gains

loop over crystals

find the DAC value with the average pedestal nearest to 200

loop over DAC values

loop over DAC values

Definition at line 63 of file TPedValues.cc.

References cms::cuda::assert(), TSinglePedEntry::average(), dumpMFGeometry_cfg::delta, endcapCrystalNumbers, ecalLiteDTU::gainId(), m_bestPedestal, TPedResult::m_DACvalue, m_entries, and m_RMSmax.

                                                                             {
  assert(DACstart >= 0);
  assert(DACend <= 256);
  //  checkEntries (DACstart, DACend) ;

  TPedResult bestDAC;
  for (int gainId = 1; gainId < 4; ++gainId) {
    for (int crystal = 0; crystal < 1700; ++crystal) {
      double delta = 1000;
      int dummyBestDAC = -1;
      bool hasDigis = false;
      for (int DAC = DACstart; DAC < DACend; ++DAC) {
        double average = m_entries[gainId - 1][crystal][DAC].average();
        if (average == -1)
          continue;
        hasDigis = true;
        if (m_entries[gainId - 1][crystal][DAC].RMSSq() > m_RMSmax * m_RMSmax)
          continue;
        if (fabs(average - m_bestPedestal) < delta && average > 1) {
          delta = fabs(average - m_bestPedestal);
          dummyBestDAC = DAC;
        }
      }  

      bestDAC.m_DACvalue[gainId - 1][crystal] = dummyBestDAC;

      if ((dummyBestDAC == (DACend - 1) || dummyBestDAC == -1) && hasDigis) {
        int gainHuman;
        if (gainId == 1)
          gainHuman = 12;
        else if (gainId == 2)
          gainHuman = 6;
        else if (gainId == 3)
          gainHuman = 1;
        else
          gainHuman = -1;
        edm::LogError("EcalPedOffset") << " TPedValues :  cannot find best DAC value for channel: "
                                       << endcapCrystalNumbers[crystal] << " gain: " << gainHuman;
      }

    }  // loop over crystals
  }    // loop over gains
  return bestDAC;
}

Member Data Documentation

endcapCrystalNumbers

int TPedValues::endcapCrystalNumbers[1700]

private

Definition at line 56 of file TPedValues.h.

Referenced by getCrystalNumber(), insert(), makePlots(), terminate(), and TPedValues().

m_bestPedestal

int TPedValues::m_bestPedestal

private

Definition at line 52 of file TPedValues.h.

Referenced by terminate(), and TPedValues().

m_entries

TSinglePedEntry TPedValues::m_entries[3][1700][256]

private

Definition at line 50 of file TPedValues.h.

Referenced by checkEntries(), insert(), makePlots(), terminate(), and TPedValues().

m_RMSmax

double TPedValues::m_RMSmax

private

Definition at line 53 of file TPedValues.h.

Referenced by terminate(), and TPedValues().