Algorithm for latency run. More...

#include <SamplingAlgorithm.h>

Inheritance diagram for SamplingAlgorithm:

Public Member Functions
const Histo &	histo () const

	SamplingAlgorithm (const edm::ParameterSet &pset, SamplingAnalysis *const, uint32_t latencyCode=0)

virtual	~SamplingAlgorithm ()

Public Member Functions inherited from CommissioningAlgorithm
void	analysis (const std::vector< TH1 * > &)

	CommissioningAlgorithm (CommissioningAnalysis *const )

	CommissioningAlgorithm ()

virtual	~CommissioningAlgorithm ()

Private Member Functions
void	analyse ()

void	correctBinning (TProfile *prof) const

void	correctProfile (TProfile *profile, float SoNcut=3.) const

virtual void	extract (const std::vector< TH1 * > &)

void	pruneProfile (TProfile *profile) const

	SamplingAlgorithm ()

Private Attributes
TF1 *	deconv_fitter_

Histo	histo_

uint32_t	latencyCode_

TF1 *	peak_fitterA_

TF1 *	peak_fitterB_

SamplingAnalysis *	samp_

Additional Inherited Members
Public Types inherited from CommissioningAlgorithm
typedef std::pair< TH1 *, std::string >	Histo

Protected Member Functions inherited from CommissioningAlgorithm
CommissioningAnalysis *const	anal () const

uint32_t	extractFedKey (const TH1 *const )

Detailed Description

Algorithm for latency run.

Author: C. Delaere

Definition at line 18 of file SamplingAlgorithm.h.

Constructor & Destructor Documentation

SamplingAlgorithm::SamplingAlgorithm	(	const edm::ParameterSet &	pset,
		SamplingAnalysis * const	anal,
		uint32_t	latencyCode = `0`
	)

Definition at line 18 of file SamplingAlgorithm.cc.

References deconv_fitter_, fdeconv_convoluted(), fpeak_convoluted(), peak_fitterA_, and peak_fitterB_.

   : CommissioningAlgorithm(anal),
     histo_(0,""),
     deconv_fitter_(0),
     peak_fitterA_(0),
     peak_fitterB_(0),
     latencyCode_(latencyCode),
     samp_(0)
 {
    peak_fitterA_ = new TF1("peak_fitterA",fpeak_convoluted,-4800,0,5);
    peak_fitterA_->SetNpx(2000);
    peak_fitterA_->FixParameter(0,0);
    peak_fitterA_->SetParLimits(1,0,4800);
    peak_fitterA_->SetParLimits(2,0,20);
    peak_fitterA_->FixParameter(3,50);
    peak_fitterA_->SetParLimits(4,0,75);
    peak_fitterA_->SetParameters(0.,1250,10,50,10);
 
    peak_fitterB_ = new TF1("peak_fitterB",fpeak_convoluted,-100,100,5);
    peak_fitterB_->SetNpx(200);
    peak_fitterB_->FixParameter(0,0);
    peak_fitterB_->SetParLimits(1,-100,100);
    peak_fitterB_->SetParLimits(2,0,20);
    peak_fitterB_->FixParameter(3,50);
    peak_fitterB_->SetParLimits(4,0,75);
    peak_fitterB_->SetParameters(0.,-50,10,50,10);
 
    deconv_fitter_ = new TF1("deconv_fitter",fdeconv_convoluted,-50,50,5);
    deconv_fitter_->SetNpx(1000);
    deconv_fitter_->FixParameter(0,0);
    deconv_fitter_->SetParLimits(1,-50,50);
    deconv_fitter_->SetParLimits(2,0,200);
    deconv_fitter_->SetParLimits(3,5,100);
    deconv_fitter_->FixParameter(3,50);
    deconv_fitter_->SetParLimits(4,0,75);
    deconv_fitter_->SetParameters(0.,-2.82,0.96,50,20);
 }

virtual SamplingAlgorithm::~SamplingAlgorithm ( )

inlinevirtual

Definition at line 24 of file SamplingAlgorithm.h.

24 {;}

SamplingAlgorithm::SamplingAlgorithm ( )

inlineprivate

Definition at line 30 of file SamplingAlgorithm.h.

30 {;}

Member Function Documentation

void SamplingAlgorithm::analyse ( )

privatevirtual

Performs histogram anaylsis.

Implements CommissioningAlgorithm.

Definition at line 118 of file SamplingAlgorithm.cc.

References sistrip::APV_LATENCY, correctBinning(), correctProfile(), deconv_fitter_, SamplingAnalysis::error_, histo_, i, latencyCode_, max(), SamplingAnalysis::max_, sistrip::mlCommissioning_, peak_fitterA_, peak_fitterB_, pruneProfile(), SamplingAnalysis::runType_, samp_, SamplingAnalysis::sOnCut_, and mathSSE::sqrt().

                                 { 
 
   if ( !samp_ ) {
     edm::LogWarning(mlCommissioning_)
       << "[SamplingAlgorithm::" << __func__ << "]"
       << " NULL pointer to derived Analysis object!";
     return; 
   }
 
   TProfile* prof = (TProfile*)(histo_.first);
   if ( !prof ) {
     edm::LogWarning(mlCommissioning_)
       << " NULL pointer to histogram!" ;
     return;
   }
 
   // set the right error mode: rms
   prof->SetErrorOption(" ");
 
   //that should not be needed, but it seems histos are stored with error option " " and errors "s" in all cases.
   //it MUST be removed if the DQM (?) bug is solved
   for(int i=0;i<prof->GetNbinsX();++i) {
     if(prof->GetBinEntries(i)>0)
       prof->SetBinError(i,prof->GetBinError(i)/sqrt(prof->GetBinEntries(i)));
   }
 
   // prune the profile
   pruneProfile(prof);
 
   // correct for the binning
   correctBinning(prof);
 
   // correct for clustering effects
   correctProfile(prof,samp_->sOnCut_);
   
   // fit depending on the mode
   if(samp_->runType_==sistrip::APV_LATENCY) {
 
     // initialize  the fit (overal latency)
     float max = prof->GetBinCenter(prof->GetMaximumBin());
     float ampl = prof->GetMaximum();
     peak_fitterA_->SetParameters(0.,50-max,ampl/20.,50,10);
 
     // fit
     if(prof->Fit(peak_fitterA_,"Q")==0)
       prof->Fit(peak_fitterA_,"QEM");
 
     // Set monitorables
     samp_->max_   = peak_fitterA_->GetMaximumX();
     samp_->error_ = peak_fitterA_->GetParError(1);
 
   } else { // sistrip::FINE_DELAY
 
     // initialize  the fit (overal latency)
     float max = prof->GetBinCenter(prof->GetMaximumBin());
     float ampl = prof->GetMaximum();
     deconv_fitter_->SetParameters(0.,-max,ampl/10.,50,20);
     peak_fitterB_->SetParameters(0.,50-max,ampl/20.,50,10);
     if(latencyCode_&0x80) { // deconv mode
       // fit
       if(prof->Fit(deconv_fitter_,"Q")==0)
          prof->Fit(deconv_fitter_,"QEM");
       // Set monitorables
       samp_->max_   = deconv_fitter_->GetMaximumX();
       samp_->error_ = deconv_fitter_->GetParError(1);
     } else { // peak mode
       // fit
       if(prof->Fit(peak_fitterB_,"Q")==0)
          prof->Fit(peak_fitterB_,"QEM");
       // Set monitorables
       samp_->max_   = peak_fitterB_->GetMaximumX();
       samp_->error_ = peak_fitterB_->GetParError(1);
     }
 
   }
 
 }

void SamplingAlgorithm::correctBinning ( TProfile * prof ) const

private

Definition at line 215 of file SamplingAlgorithm.cc.

Referenced by analyse().

 {
   prof->GetXaxis()->SetLimits(prof->GetXaxis()->GetXmin()-prof->GetBinWidth(1)/2.,
                               prof->GetXaxis()->GetXmax()-prof->GetBinWidth(1)/2.);
 }

void SamplingAlgorithm::correctProfile	(	TProfile *	profile,
		float	SoNcut = `3.`
	)		const

private

Definition at line 223 of file SamplingAlgorithm.cc.

References newFWLiteAna::bin, SamplingAnalysis::correctMeasurement(), SamplingAnalysis::limit(), min, pileupCalc::nbins, and samp_.

Referenced by analyse().

 {
   if ( !samp_ ) { return; }
   uint32_t nbins=profile->GetNbinsX();
   float min = samp_->limit(SoNcut);
   for(uint32_t bin=1;bin<=nbins;++bin)
     if(profile->GetBinContent(bin)<min) {
       profile->SetBinContent(bin,0.);
       profile->SetBinError(bin,0.);
       profile->SetBinEntries(bin,0);
     }
     else {
       profile->SetBinContent(bin,
                              profile->GetBinEntries(bin)*
                              samp_->correctMeasurement(profile->GetBinContent(bin),SoNcut));
     }
 }

void SamplingAlgorithm::extract ( const std::vector< TH1 * > & )

privatevirtual

Extracts and organises histograms.

Implements CommissioningAlgorithm.

Definition at line 58 of file SamplingAlgorithm.cc.

References CommissioningAnalysis::addErrorCode(), CommissioningAlgorithm::anal(), sistrip::APV_LATENCY, sistrip::extrainfo::clusterCharge_, CommissioningAlgorithm::extractFedKey(), CommissioningAnalysis::fedKey(), sistrip::FINE_DELAY, SamplingAnalysis::granularity_, histo_, sistrip::mlCommissioning_, sistrip::numberOfHistos_, SamplingAnalysis::runType_, samp_, indexGen::title, tmp, and sistrip::unexpectedTask_.

                                                               {
 
   if ( !anal() ) {
     edm::LogWarning(mlCommissioning_)
       << "[SamplingAlgorithm::" << __func__ << "]"
       << " NULL pointer to Analysis object!";
     return; 
   }
   
   CommissioningAnalysis* tmp = const_cast<CommissioningAnalysis*>( anal() );
   samp_ = dynamic_cast<SamplingAnalysis*>( tmp );
   if ( !samp_ ) {
     edm::LogWarning(mlCommissioning_)
       << "[SamplingAlgorithm::" << __func__ << "]"
       << " NULL pointer to derived Analysis object!";
     return; 
   }
 
   // Check
   if ( histos.size() != 1 && histos.size() != 2 ) {
     samp_->addErrorCode(sistrip::numberOfHistos_);
   }
   
   // Extract FED key from histo title
   if ( !histos.empty() ) { samp_->fedKey( extractFedKey( histos.front() ) ); }
 
   // Extract
   std::vector<TH1*>::const_iterator ihis = histos.begin();
   for ( ; ihis != histos.end(); ihis++ ) {
     
     // Check pointer
     if ( !(*ihis) ) {
       edm::LogWarning(mlCommissioning_) << " NULL pointer to histogram!";
       continue;
     }
     
     // Check name
     SiStripHistoTitle title( (*ihis)->GetName() );
     if ( title.runType() != sistrip::APV_LATENCY && title.runType() != sistrip::FINE_DELAY) {
       samp_->addErrorCode(sistrip::unexpectedTask_);
       continue;
     }
     // Set the mode for later fits
     samp_->runType_ = title.runType();
     
     // Set the granularity
     samp_->granularity_ = title.granularity();
 
     // Extract timing histo
     if ( title.extraInfo().find(sistrip::extrainfo::clusterCharge_) != std::string::npos ) {
       histo_.first = *ihis;
       histo_.second = (*ihis)->GetName();
     }
 
   }
   
 }

const Histo& SamplingAlgorithm::histo ( ) const

inline

void SamplingAlgorithm::pruneProfile ( TProfile * profile ) const

private

Definition at line 198 of file SamplingAlgorithm.cc.

References newFWLiteAna::bin, max(), min, and pileupCalc::nbins.

Referenced by analyse().

 {
   // loop over bins to find the max stat
   uint32_t nbins=profile->GetNbinsX();
   uint32_t max = 0;
   for(uint32_t bin=1;bin<=nbins;++bin) max = max < profile->GetBinEntries(bin) ? uint32_t(profile->GetBinEntries(bin)) : max;
   // loop over bins to clean
   uint32_t min = max/10;
   for(uint32_t bin=1;bin<=nbins;++bin)
     if(profile->GetBinEntries(bin)<min) {
       profile->SetBinContent(bin,0.);
       profile->SetBinError(bin,0.);
     }
 }