HcalDeterministicFit Class Reference

#include <HcalDeterministicFit.h>

Public Types
enum	NegStrategy { DoNothing =0, ReqPos =1, FromGreg =2 }

Public Member Functions
void	apply (const CaloSamples &cs, const std::vector< int > &capidvec, const HcalCalibrations &calibs, std::vector< double > &HLTOutput) const
void	applyXM (const std::vector< double > &inputCharge, const std::vector< double > &inputPedestal, std::vector< double > &HLTOutput) const
double	det2 (double *b, double *c) const
double	det3 (double *a, double *b, double *c) const
void	getLandauFrac (float tStart, float tEnd, float &sum) const
	HcalDeterministicFit ()
void	init (HcalTimeSlew::ParaSource tsParam, HcalTimeSlew::BiasSetting bias, NegStrategy nStrat, PedestalSub pedSubFxn_)
void	pulseFraction (const double fC, double *TS46) const
	~HcalDeterministicFit ()

Private Attributes
NegStrategy	fNegStrat
PedestalSub	fPedestalSubFxn_
HcalTimeSlew::ParaSource	fTimeSlew
HcalTimeSlew::BiasSetting	fTimeSlewBias

Static Private Attributes
static float	landauFrac []
static double	TS4par [] = {0.71, -5.17, 12.23}
static double	TS5par [] = {0.258, 0.0178, 4.786e-4}
static double	TS6par [] = {0.06391, 0.002737, 8.396e-05, 1.475e-06}

Detailed Description

Definition at line 16 of file HcalDeterministicFit.h.

Member Enumeration Documentation

enum HcalDeterministicFit::NegStrategy

Enumerator
DoNothing
ReqPos
FromGreg

Definition at line 18 of file HcalDeterministicFit.h.

{DoNothing=0, ReqPos=1, FromGreg=2};  

Constructor & Destructor Documentation

HcalDeterministicFit::HcalDeterministicFit

(

)

Definition at line 9 of file HcalDeterministicFit.cc.

                                           {
}

HcalDeterministicFit::~HcalDeterministicFit

(

)

Definition at line 12 of file HcalDeterministicFit.cc.

                                            { 
}

Member Function Documentation

void HcalDeterministicFit::apply	(	const CaloSamples &	cs,
		const std::vector< int > &	capidvec,
		const HcalCalibrations &	calibs,
		std::vector< double > &	HLTOutput
	)		const

Definition at line 21 of file HcalDeterministicFit.cc.

References RecoTauCleanerPlugins::charge, HcalTimeSlew::delay(), FromGreg, HcalTimeSlew::MC, HcalCalibrations::pedestal(), ReqPos, HcalCalibrations::respcorrgain(), and CaloSamples::size().

Referenced by heavyIonTools.ConfigureHeavyIons::__call__(), editorTools.UserCodeTool::__call__(), HiCoreTools.RestrictInputToAOD::__call__(), coreTools.RunOnData::__call__(), trackTools.MakeAODTrackCandidates::__call__(), runJetUncertainties.RunJetUncertainties::__call__(), metTools.AddMETCollection::__call__(), heavyIonTools.ProductionDefaults::__call__(), editorTools.ChangeSource::__call__(), HiCoreTools.RemoveMCMatching::__call__(), coreTools.RemoveMCMatching::__call__(), trackTools.MakePATTrackCandidates::__call__(), trigTools.SwitchOnTrigger::__call__(), runMETCorrectionsAndUncertainties.RunMETCorrectionsAndUncertainties::__call__(), jetTools.AddJetCollection::__call__(), heavyIonTools.SelectionDefaults::__call__(), HiCoreTools.RemoveAllPATObjectsBut::__call__(), heavyIonTools.DisbaleMonteCarloDeps::__call__(), HiCoreTools.RemoveSpecificPATObjects::__call__(), trigTools.SwitchOnTriggerStandAlone::__call__(), trackTools.MakeTrackCandidates::__call__(), tauTools.AddTauCollection::__call__(), trigTools.SwitchOnTriggerMatching::__call__(), HiCoreTools.RemoveCleaning::__call__(), HiCoreTools.AddCleaning::__call__(), trigTools.SwitchOnTriggerMatchingStandAlone::__call__(), trigTools.SwitchOnTriggerMatchEmbedding::__call__(), jetTools.SwitchJetCollection::__call__(), jetTools.AddJetID::__call__(), jetTools.SetTagInfos::__call__(), and HcalSimpleRecAlgoImpl::reco().

                                                                                                                                                              {
  std::vector<double> corrCharge;
  std::vector<double> inputCharge;
  std::vector<double> inputPedestal;
  const unsigned int cssize = cs.size();
  double gainCorr = 0;
  for(unsigned int ip=0; ip<cssize; ++ip){
    if( ip >= (unsigned) 10 ) continue; // Too many samples than what we wanna fit (10 is enough...) -> skip them
    const int capid = capidvec[ip];
    double charge = cs[ip];
    double ped = calibs.pedestal(capid);
    double gain = calibs.respcorrgain(capid);
    gainCorr = gain;
    inputCharge.push_back(charge);
    inputPedestal.push_back(ped);
  }                   
 
  fPedestalSubFxn_.calculate(inputCharge, inputPedestal, corrCharge);
  
  float tsShift3=HcalTimeSlew::delay(inputCharge[3],HcalTimeSlew::MC,fTimeSlewBias); 
  float tsShift4=HcalTimeSlew::delay(inputCharge[4],HcalTimeSlew::MC,fTimeSlewBias); 
  float tsShift5=HcalTimeSlew::delay(inputCharge[5],HcalTimeSlew::MC,fTimeSlewBias); 

  // pulses are delayed by tshift. e.g. tshift = 10 means pulse is 10 seconds later
  // landau frac moves limits of integration to the left by tsshift, which is equivalent
  // to moving the pulse to the right
  float i3=0;
  getLandauFrac(-tsShift3,-tsShift3+25,i3);
  float n3=0;
  getLandauFrac(-tsShift3+25,-tsShift3+50,n3);
  float nn3=0;
  getLandauFrac(-tsShift3+50,-tsShift3+75,nn3);

  float i4=0;
  getLandauFrac(-tsShift4,-tsShift4+25,i4);
  float n4=0;
  getLandauFrac(-tsShift4+25,-tsShift4+50,n4);

  float i5=0;
  getLandauFrac(-tsShift5,-tsShift5+25,i5);
  float n5=0;
  getLandauFrac(-tsShift5+25,-tsShift5+50,n5);

  float ch3=corrCharge[3]/i3;
  float ch4=(i3*corrCharge[4]-n3*corrCharge[3])/(i3*i4);
  float ch5=(n3*n4*corrCharge[3]-i4*nn3*corrCharge[3]-i3*n4*corrCharge[4]+i3*i4*corrCharge[5])/(i3*i4*i5);

  if (ch3<-3 && fNegStrat==HcalDeterministicFit::ReqPos) {
    ch3=-3;
    ch4=corrCharge[4]/i4;
    ch5=(i4*corrCharge[5]-n4*corrCharge[4])/(i4*i5);
  }
  
  if (ch5<-3 && fNegStrat==HcalDeterministicFit::ReqPos) {
    ch4=ch4+(ch5+3);
    ch5=-3;
  }

  if (fNegStrat==HcalDeterministicFit::FromGreg) {
    if (ch3<-3) {
      ch3=-3;
      ch4=corrCharge[4]/i4;
      ch5=(i4*corrCharge[5]-n4*corrCharge[4])/(i4*i5);
    }
    if (ch5<-3 && ch4>15) {
      double ratio = (corrCharge[4]-ch3*i3)/(corrCharge[5]+3*i5);
      if (ratio < 5 && ratio > 0.5) {
    double invG = -13.11+11.29*TMath::Sqrt(2*TMath::Log(5.133/ratio));
    float iG=0;
    getLandauFrac(-invG,-invG+25,iG);
    ch4=(corrCharge[4]-ch3*n3)/(iG);
    ch5=-3;
    tsShift4=invG;
      }
    }
  }
  
  if (ch3<1) {// && (fNegStrat==HcalDeterministicFit::ReqPos || fNegStrat==HcalDeterministicFit::FromGreg)) {
    ch3=0;
  }
  if (ch4<1) {// && (fNegStrat==HcalDeterministicFit::ReqPos || fNegStrat==HcalDeterministicFit::FromGreg)) {
    ch4=0;
  }
  if (ch5<1) {// && (fNegStrat==HcalDeterministicFit::ReqPos || fNegStrat==HcalDeterministicFit::FromGreg)) {
    ch5=0;
  }
  
  // Print out 
  HLTOutput.clear();
  HLTOutput.push_back(ch4*gainCorr);// amplitude 
  HLTOutput.push_back(tsShift4); // time shift of in-time pulse
  HLTOutput.push_back(ch5); // whatever

}

void HcalDeterministicFit::applyXM	(	const std::vector< double > &	inputCharge,
		const std::vector< double > &	inputPedestal,
		std::vector< double > &	HLTOutput
	)		const

Definition at line 116 of file HcalDeterministicFit.cc.

                                                                                                                                                      {

  std::vector<double> corrCharge;
  fPedestalSubFxn_.calculate(inputCharge, inputPedestal, corrCharge);

  double TS35[3];
  double TS46[3];
  double TS57[3];
  pulseFraction(inputCharge[3], TS35);
  pulseFraction(inputCharge[4], TS46);
  pulseFraction(inputCharge[5], TS57);

  double a3[3] = {TS35[0], TS35[1], TS35[2]};
  double b3[3] = {0., TS46[0], TS46[1]};
  double c3[3] = {0., 0., TS57[0]};
  double d3[3] = {corrCharge[3], corrCharge[4], corrCharge[5]};

  double deno3 = det3(a3, b3, c3);

  double A3 = det3(d3, b3, c3) / deno3;
  double A4 = det3(a3, d3, c3) / deno3;
  double A5 = det3(a3, b3, d3) / deno3;
  
  HLTOutput.clear();
  HLTOutput.push_back(A3);
  HLTOutput.push_back(A4);
  HLTOutput.push_back(A5);

}

double HcalDeterministicFit::det2	(	double *	b,
		double *	c
	)		const

Definition at line 176 of file HcalDeterministicFit.cc.

                                                           {
  return b[1]*c[2]-b[2]*c[1];
}

double HcalDeterministicFit::det3	(	double *	a,
		double *	b,
		double *	c
	)		const

Definition at line 180 of file HcalDeterministicFit.cc.

                                                                      {
  return a[0]*(b[1]*c[2]-b[2]*c[1])-a[1]*(b[0]*c[2]-b[2]*c[0])+a[2]*(b[0]*c[1]-b[1]*c[0]);
}

void HcalDeterministicFit::getLandauFrac	(	float	tStart,
		float	tEnd,
		float &	sum
	)		const

Definition at line 151 of file HcalDeterministicFit.cc.

References funct::abs().

                                                                                  {

  if (std::abs(tStart-tEnd-25)<0.1) {
    sum=0;
    return;
  }
  sum= landauFrac[int(ceil(tStart+25))];
  return;
}

void HcalDeterministicFit::init	(	HcalTimeSlew::ParaSource	tsParam,
		HcalTimeSlew::BiasSetting	bias,
		NegStrategy	nStrat,
		PedestalSub	pedSubFxn_
	)

Definition at line 15 of file HcalDeterministicFit.cc.

Referenced by HcalSimpleRecAlgoImpl::reco().

                                                                                                                                        {
  fTimeSlew=tsParam;
  fTimeSlewBias=bias;
  fNegStrat=nStrat;
  fPedestalSubFxn_=pedSubFxn_;
}

void HcalDeterministicFit::pulseFraction	(	const double	fC,
		double *	TS46
	)		const

Definition at line 165 of file HcalDeterministicFit.cc.

References HcalTimeSlew::delay(), and HcalTimeSlew::MC.

                                                                           {

  double tslew = -HcalTimeSlew::delay(fC,HcalTimeSlew::MC,fTimeSlewBias);

  TS46[0] = TS4par[0] * TMath::Gaus(tslew,TS4par[1],TS4par[2]); // fraction of pulse in the TS4          
  TS46[1] = TS5par[0] + TS5par[1]*tslew + TS5par[2]*tslew*tslew; // fraction of pulse in the T5S
  TS46[2] = TS6par[0] + TS6par[1]*tslew + TS6par[2]*tslew*tslew + TS6par[3]*tslew*tslew*tslew; //fraction of pulse in the TS6

  return;
}

Member Data Documentation

NegStrategy HcalDeterministicFit::fNegStrat

private

Definition at line 39 of file HcalDeterministicFit.h.

PedestalSub HcalDeterministicFit::fPedestalSubFxn_

private

Definition at line 40 of file HcalDeterministicFit.h.

HcalTimeSlew::ParaSource HcalDeterministicFit::fTimeSlew

private

Definition at line 37 of file HcalDeterministicFit.h.

HcalTimeSlew::BiasSetting HcalDeterministicFit::fTimeSlewBias

private

Definition at line 38 of file HcalDeterministicFit.h.

float HcalDeterministicFit::landauFrac

staticprivate

Initial value:

{0, 7.6377e-05, 0.000418655, 0.00153692, 0.00436844, 0.0102076, 
  0.0204177, 0.0360559, 0.057596, 0.0848493, 0.117069, 0.153152, 0.191858, 0.23198, 0.272461, 0.312438, 
  0.351262, 0.388476, 0.423788, 0.457036, 0.488159, 0.517167, 0.54412, 0.569112, 0.592254, 0.613668, 
  0.633402, 0.651391, 0.667242, 0.680131, 0.688868, 0.692188, 0.689122, 0.67928, 0.662924, 0.64087, 
  0.614282, 0.584457, 0.552651, 0.51997, 0.487317, 0.455378, 0.424647, 0.395445, 0.367963, 0.342288, 
  0.318433, 0.29636, 0.275994, 0.257243, 0.24, 0.224155, 0.2096, 0.196227, 0.183937, 0.172635, 
  0.162232, 0.15265, 0.143813, 0.135656, 0.128117, 0.12114, 0.114677, 0.108681, 0.103113, 0.0979354, 
  0.0931145, 0.0886206, 0.0844264, 0.0805074, 0.0768411, 0.0734075, 0.0701881, 0.0671664, 0.0643271, 
  0.0616564, 0.0591418, 0.0567718, 0.054536, 0.0524247, 0.0504292, 0.0485414, 0.046754, 0.0450602, 
  0.0434538, 0.041929, 0.0404806, 0.0391037, 0.0377937, 0.0365465, 0.0353583, 0.0342255, 0.0331447, 
  0.032113, 0.0311274, 0.0301854, 0.0292843, 0.0284221, 0.0275964, 0.0268053, 0.0253052, 0.0238536, 
  0.0224483, 0.0210872, 0.0197684, 0.0184899, 0.01725, 0.0160471, 0.0148795, 0.0137457, 0.0126445, 
  0.0115743, 0.0105341, 0.00952249, 0.00853844, 0.00758086, 0.00664871,0.00574103, 0.00485689, 0.00399541, 
  0.00315576, 0.00233713, 0.00153878, 0.000759962, 0 }

Definition at line 42 of file HcalDeterministicFit.h.

double HcalDeterministicFit::TS4par = {0.71, -5.17, 12.23}

staticprivate

Definition at line 59 of file HcalDeterministicFit.h.

double HcalDeterministicFit::TS5par = {0.258, 0.0178, 4.786e-4}

staticprivate

Definition at line 60 of file HcalDeterministicFit.h.

double HcalDeterministicFit::TS6par = {0.06391, 0.002737, 8.396e-05, 1.475e-06}

staticprivate

Definition at line 61 of file HcalDeterministicFit.h.