#include <DTNoiseAnalysisTest.h>

Inheritance diagram for DTNoiseAnalysisTest:

Public Member Functions
	DTNoiseAnalysisTest (const edm::ParameterSet &ps)
	Constructor. More...

	~DTNoiseAnalysisTest () override
	Destructor. More...

Public Member Functions inherited from DQMEDHarvester
void	accumulate (edm::Event const &ev, edm::EventSetup const &es) final

void	beginJob () override

void	beginLuminosityBlock (edm::LuminosityBlock const &lumi, edm::EventSetup const &) final

void	beginRun (edm::Run const &run, edm::EventSetup const &) override

virtual void	dqmAnalyze (DQMStore::IBooker &, DQMStore::IGetter &, edm::Event const &, edm::EventSetup const &)

	DQMEDHarvester (edm::ParameterSet const &iConfig)

	DQMEDHarvester ()

virtual void	dqmEndRun (DQMStore::IBooker &, DQMStore::IGetter &, edm::Run const &, edm::EventSetup const &)

void	endLuminosityBlock (edm::LuminosityBlock const &, edm::EventSetup const &) final

void	endLuminosityBlockProduce (edm::LuminosityBlock &lumi, edm::EventSetup const &es) final

void	endProcessBlockProduce (edm::ProcessBlock &) final

void	endRun (edm::Run const &, edm::EventSetup const &) override

void	endRunProduce (edm::Run &run, edm::EventSetup const &es) final

	~DQMEDHarvester () override=default

Public Member Functions inherited from edm::one::EDProducer< T >
	EDProducer ()=default

	EDProducer (const EDProducer &)=delete

SerialTaskQueue *	globalLuminosityBlocksQueue () final

SerialTaskQueue *	globalRunsQueue () final

bool	hasAbilityToProduceInBeginLumis () const final

bool	hasAbilityToProduceInBeginProcessBlocks () const final

bool	hasAbilityToProduceInBeginRuns () const final

bool	hasAbilityToProduceInEndLumis () const final

bool	hasAbilityToProduceInEndProcessBlocks () const final

bool	hasAbilityToProduceInEndRuns () const final

const EDProducer &	operator= (const EDProducer &)=delete

bool	wantsGlobalLuminosityBlocks () const final

bool	wantsGlobalRuns () const final

bool	wantsInputProcessBlocks () const final

bool	wantsProcessBlocks () const final

Public Member Functions inherited from edm::one::EDProducerBase
	EDProducerBase ()

ModuleDescription const &	moduleDescription () const

bool	wantsStreamLuminosityBlocks () const

bool	wantsStreamRuns () const

	~EDProducerBase () override

Public Member Functions inherited from edm::ProducerBase
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)

std::vector < edm::ProductResolverIndex > const &	indiciesForPutProducts (BranchType iBranchType) const

	ProducerBase ()

std::vector < edm::ProductResolverIndex > const &	putTokenIndexToProductResolverIndex () const

void	registerProducts (ProducerBase , ProductRegistry , ModuleDescription const &)

std::function< void(BranchDescription const &)>	registrationCallback () const
	used by the fwk to register list of products More...

void	resolvePutIndicies (BranchType iBranchType, ModuleToResolverIndicies const &iIndicies, std::string const &moduleLabel)

	~ProducerBase () noexcept(false) override

Public Member Functions inherited from edm::EDConsumerBase
std::vector< ConsumesInfo >	consumesInfo () const

void	convertCurrentProcessAlias (std::string const &processName)
	Convert "@currentProcess" in InputTag process names to the actual current process name. More...

	EDConsumerBase ()

	EDConsumerBase (EDConsumerBase const &)=delete

	EDConsumerBase (EDConsumerBase &&)=default

ESProxyIndex const *	esGetTokenIndices (edm::Transition iTrans) const

std::vector< ESProxyIndex > const &	esGetTokenIndicesVector (edm::Transition iTrans) const

std::vector< ESRecordIndex > const &	esGetTokenRecordIndicesVector (edm::Transition iTrans) const

ProductResolverIndexAndSkipBit	indexFrom (EDGetToken, BranchType, TypeID const &) const

void	itemsMayGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const

void	itemsToGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const

std::vector < ProductResolverIndexAndSkipBit > const &	itemsToGetFrom (BranchType iType) const

void	labelsForToken (EDGetToken iToken, Labels &oLabels) const

void	modulesWhoseProductsAreConsumed (std::array< std::vector< ModuleDescription const * > , NumBranchTypes > &modulesAll, std::vector< ModuleProcessName > &modulesInPreviousProcesses, ProductRegistry const &preg, std::map< std::string, ModuleDescription const > const &labelsToDesc, std::string const &processName) const

EDConsumerBase const &	operator= (EDConsumerBase const &)=delete

EDConsumerBase &	operator= (EDConsumerBase &&)=default

bool	registeredToConsume (ProductResolverIndex, bool, BranchType) const

bool	registeredToConsumeMany (TypeID const &, BranchType) const

void	selectInputProcessBlocks (ProductRegistry const &productRegistry, ProcessBlockHelperBase const &processBlockHelperBase)

ProductResolverIndexAndSkipBit	uncheckedIndexFrom (EDGetToken) const

void	updateLookup (BranchType iBranchType, ProductResolverIndexHelper const &, bool iPrefetchMayGet)

void	updateLookup (eventsetup::ESRecordsToProxyIndices const &)

virtual	~EDConsumerBase () noexcept(false)

Protected Member Functions
void	beginRun (edm::Run const &run, edm::EventSetup const &context) override
	BeginRun. More...

void	bookHistos (DQMStore::IBooker &)
	book the summary histograms More...

void	dqmEndJob (DQMStore::IBooker &, DQMStore::IGetter &) override

void	dqmEndLuminosityBlock (DQMStore::IBooker &, DQMStore::IGetter &, edm::LuminosityBlock const &, edm::EventSetup const &) override
	DQM Client Diagnostic. More...

Protected Member Functions inherited from edm::ProducerBase
ProducesCollector	producesCollector ()

Protected Member Functions inherited from edm::EDConsumerBase
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	consumes (edm::InputTag const &tag)

template<BranchType B = InEvent>
EDConsumerBaseAdaptor< B >	consumes (edm::InputTag tag) noexcept

EDGetToken	consumes (const TypeToGet &id, edm::InputTag const &tag)

template<BranchType B>
EDGetToken	consumes (TypeToGet const &id, edm::InputTag const &tag)

ConsumesCollector	consumesCollector ()
	Use a ConsumesCollector to gather consumes information from helper functions. More...

template<typename ProductType , BranchType B = InEvent>
void	consumesMany ()

void	consumesMany (const TypeToGet &id)

template<BranchType B>
void	consumesMany (const TypeToGet &id)

template<typename ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto	esConsumes ()

template<typename ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto	esConsumes (ESInputTag const &tag)

template<Transition Tr = Transition::Event>
constexpr auto	esConsumes () noexcept

template<Transition Tr = Transition::Event>
auto	esConsumes (ESInputTag tag) noexcept

template<Transition Tr = Transition::Event>
ESGetTokenGeneric	esConsumes (eventsetup::EventSetupRecordKey const &iRecord, eventsetup::DataKey const &iKey)
	Used with EventSetupRecord::doGet. More...

template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	mayConsume (edm::InputTag const &tag)

EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

template<BranchType B>
EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

void	resetItemsToGetFrom (BranchType iType)

Private Member Functions
std::string	getMEName (const DTChamberId &chID)
	Get the ME name. More...

std::string	getSynchNoiseMEName (int wheelId) const

Private Attributes
bool	bookingdone

bool	detailedAnalysis

bool	doSynchNoise

MonitorElement *	glbSummarySynchNoiseHisto

double	maxSynchNoiseRate

const DTGeometry *	muonGeom

edm::ESGetToken< DTGeometry, MuonGeometryRecord >	muonGeomToken_

int	nevents

int	nMinEvts

std::map< int, MonitorElement * >	noiseHistos

int	noisyCellDef

std::map< int, MonitorElement * >	noisyCellHistos

MonitorElement *	summaryNoiseHisto

MonitorElement *	summarySynchNoiseHisto

MonitorElement *	threshChannelsHisto

Additional Inherited Members
Public Types inherited from DQMEDHarvester
typedef dqm::harvesting::DQMStore	DQMStore

typedef dqm::harvesting::MonitorElement	MonitorElement

Public Types inherited from edm::one::EDProducerBase
typedef EDProducerBase	ModuleType

Public Types inherited from edm::ProducerBase
using	ModuleToResolverIndicies = std::unordered_multimap< std::string, std::tuple< edm::TypeID const , const char , edm::ProductResolverIndex >>

typedef ProductRegistryHelper::TypeLabelList	TypeLabelList

Public Types inherited from edm::EDConsumerBase
typedef ProductLabels	Labels

Static Public Member Functions inherited from edm::one::EDProducerBase
static const std::string &	baseType ()

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &descriptions)

Protected Attributes inherited from DQMEDHarvester
DQMStore *	dqmstore_

edm::GetterOfProducts< DQMToken >	jobmegetter_

edm::EDPutTokenT< DQMToken >	jobToken_

edm::GetterOfProducts< DQMToken >	lumimegetter_

edm::EDPutTokenT< DQMToken >	lumiToken_

edm::GetterOfProducts< DQMToken >	runmegetter_

edm::EDPutTokenT< DQMToken >	runToken_

Detailed Description

DQM Test Client

Author
G. Mila - INFN Torino

threadsafe version (//-) oct/nov 2014 - WATWanAbdullah -ncpp-um-my

Definition at line 30 of file DTNoiseAnalysisTest.h.

Constructor & Destructor Documentation

DTNoiseAnalysisTest::DTNoiseAnalysisTest ( const edm::ParameterSet & ps )

Constructor.

Definition at line 32 of file DTNoiseAnalysisTest.cc.

References bookingdone, detailedAnalysis, doSynchNoise, edm::ParameterSet::getUntrackedParameter(), LogTrace, maxSynchNoiseRate, nevents, nMinEvts, and noisyCellDef.

     : muonGeomToken_(esConsumes<edm::Transition::BeginRun>()) {
   LogTrace("DTDQM|DTMonitorClient|DTNoiseAnalysisTest") << "[DTNoiseAnalysisTest]: Constructor";
 
   // get the cfi parameters
   noisyCellDef = ps.getUntrackedParameter<int>("noisyCellDef", 500);
 
   // switch on/off the summaries for the Synchronous noise
   doSynchNoise = ps.getUntrackedParameter<bool>("doSynchNoise", false);
   detailedAnalysis = ps.getUntrackedParameter<bool>("detailedAnalysis", false);
   maxSynchNoiseRate = ps.getUntrackedParameter<double>("maxSynchNoiseRate", 0.001);
   nMinEvts = ps.getUntrackedParameter<int>("nEventsCert", 5000);
 
   nevents = 0;
 
   bookingdone = false;
 }

DTNoiseAnalysisTest::~DTNoiseAnalysisTest ( )

override

Destructor.

Definition at line 50 of file DTNoiseAnalysisTest.cc.

References LogTrace, and nevents.

                                           {
   LogTrace("DTDQM|DTMonitorClient|DTNoiseAnalysisTest") << "DTNoiseAnalysisTest: analyzed " << nevents << " events";
 }

Member Function Documentation

void DTNoiseAnalysisTest::beginRun	(	edm::Run const &	run,
		edm::EventSetup const &	context
	)

overrideprotected

BeginRun.

Definition at line 54 of file DTNoiseAnalysisTest.cc.

References edm::EventSetup::getData(), muonGeom, and muonGeomToken_.

                                                                             {
   // Get the geometry
   muonGeom = &context.getData(muonGeomToken_);
 }

void DTNoiseAnalysisTest::bookHistos ( DQMStore::IBooker & ibooker )

protected

book the summary histograms

Definition at line 218 of file DTNoiseAnalysisTest.cc.

References dqm::implementation::IBooker::book1D(), dqm::implementation::IBooker::book2D(), detailedAnalysis, doSynchNoise, glbSummarySynchNoiseHisto, noiseHistos, noisyCellHistos, dqm::impl::MonitorElement::setAxisTitle(), dqm::implementation::NavigatorBase::setCurrentFolder(), summaryNoiseHisto, summarySynchNoiseHisto, and threshChannelsHisto.

Referenced by dqmEndLuminosityBlock().

                                                              {
   ibooker.setCurrentFolder("DT/05-Noise");
   string histoName;
 
   for (int wh = -2; wh <= 2; wh++) {
     stringstream wheel;
     wheel << wh;
     histoName = "NoiseRateSummary_W" + wheel.str();
 
     noiseHistos[wh] = ibooker.book1D(histoName.c_str(), histoName.c_str(), 100, 0, 2000);
     noiseHistos[wh]->setAxisTitle("rate (Hz)", 1);
     noiseHistos[wh]->setAxisTitle("entries", 2);
   }
   histoName = "NoiseRateSummary";
 
   noiseHistos[3] = ibooker.book1D(histoName.c_str(), histoName.c_str(), 100, 0, 2000);
   noiseHistos[3]->setAxisTitle("rate (Hz)", 1);
   noiseHistos[3]->setAxisTitle("entries", 2);
 
   for (int wh = -2; wh <= 2; wh++) {
     stringstream wheel;
     wheel << wh;
     histoName = "NoiseSummary_W" + wheel.str();
 
     noisyCellHistos[wh] = ibooker.book2D(histoName.c_str(), "# of noisy channels", 12, 1, 13, 4, 1, 5);
     noisyCellHistos[wh]->setBinLabel(1, "MB1", 2);
     noisyCellHistos[wh]->setBinLabel(2, "MB2", 2);
     noisyCellHistos[wh]->setBinLabel(3, "MB3", 2);
     noisyCellHistos[wh]->setBinLabel(4, "MB4", 2);
     noisyCellHistos[wh]->setAxisTitle("Sector", 1);
   }
 
   histoName = "NoiseSummary";
 
   summaryNoiseHisto = ibooker.book2D(histoName.c_str(), "# of noisy channels", 12, 1, 13, 5, -2, 3);
   summaryNoiseHisto->setAxisTitle("Sector", 1);
   summaryNoiseHisto->setAxisTitle("Wheel", 2);
 
   if (detailedAnalysis) {
     histoName = "NoisyChannels";
 
     threshChannelsHisto = ibooker.book1D(histoName.c_str(), "# of noisy channels vs threshold", 15, 500, 2000);
     threshChannelsHisto->setAxisTitle("threshold", 1);
     threshChannelsHisto->setAxisTitle("# noisy channels", 2);
   }
 
   if (doSynchNoise) {
     ibooker.setCurrentFolder("DT/05-Noise/SynchNoise/");
     histoName = "SynchNoiseSummary";
 
     summarySynchNoiseHisto = ibooker.book2D(histoName.c_str(), "Summary Synch. Noise", 12, 1, 13, 5, -2, 3);
     summarySynchNoiseHisto->setAxisTitle("Sector", 1);
     summarySynchNoiseHisto->setAxisTitle("Wheel", 2);
     histoName = "SynchNoiseGlbSummary";
 
     glbSummarySynchNoiseHisto = ibooker.book2D(histoName.c_str(), "Summary Synch. Noise", 12, 1, 13, 5, -2, 3);
     glbSummarySynchNoiseHisto->setAxisTitle("Sector", 1);
     glbSummarySynchNoiseHisto->setAxisTitle("Wheel", 2);
   }
 }

void DTNoiseAnalysisTest::dqmEndJob	(	DQMStore::IBooker &	ibooker,
		DQMStore::IGetter &	igetter
	)

overrideprotectedvirtual

Implements DQMEDHarvester.

Definition at line 288 of file DTNoiseAnalysisTest.cc.

288 {}

void DTNoiseAnalysisTest::dqmEndLuminosityBlock	(	DQMStore::IBooker &	ibooker,
		DQMStore::IGetter &	igetter,
		edm::LuminosityBlock const &	lumiSeg,
		edm::EventSetup const &	context
	)

overrideprotectedvirtual

DQM Client Diagnostic.

Reimplemented from DQMEDHarvester.

Definition at line 59 of file DTNoiseAnalysisTest.cc.

References bookHistos(), bookingdone, DTGeometry::chambers(), DTTopology::channels(), detailedAnalysis, doSynchNoise, dqm::impl::MonitorElement::Fill(), DTTopology::firstChannel(), dqm::implementation::IGetter::get(), dqm::impl::MonitorElement::getFloatValue(), getMEName(), getSynchNoiseMEName(), dqm::legacy::MonitorElement::getTH2F(), glbSummarySynchNoiseHisto, timingPdfMaker::histo, DTGeometry::layer(), phase1PixelTopology::layer, LogTrace, maxSynchNoiseRate, cms::cuda::allocator::minBin, muonGeom, nevents, nMinEvts, gpuVertexFinder::noise, noiseHistos, noisyCellDef, noisyCellHistos, bigModule::plot(), dqm::impl::MonitorElement::Reset(), DTChamberId::sector(), dqm::impl::MonitorElement::setBinContent(), dqm::impl::MonitorElement::setEntries(), DTLayer::specificTopology(), DTChamberId::station(), summaryNoiseHisto, summarySynchNoiseHisto, threshChannelsHisto, and DTChamberId::wheel().

                                                                               {
   float chRate;
 
   if (!bookingdone) {
     // book the histos
     bookHistos(ibooker);
   }
   bookingdone = true;
 
   LogVerbatim("DTDQM|DTMonitorClient|DTNoiseAnalysisTest")
       << "[DTNoiseAnalysisTest]: End of LS transition, performing the DQM client operation";
 
   // Reset the summary plots
   for (map<int, MonitorElement*>::iterator plot = noiseHistos.begin(); plot != noiseHistos.end(); ++plot) {
     (*plot).second->Reset();
   }
 
   for (map<int, MonitorElement*>::iterator plot = noisyCellHistos.begin(); plot != noisyCellHistos.end(); ++plot) {
     (*plot).second->Reset();
   }
 
   summaryNoiseHisto->Reset();
 
   vector<const DTChamber*>::const_iterator ch_it = muonGeom->chambers().begin();
   vector<const DTChamber*>::const_iterator ch_end = muonGeom->chambers().end();
 
   LogTrace("DTDQM|DTMonitorClient|DTNoiseAnalysisTest") << "[DTNoiseAnalysisTest]: Fill the summary histos";
 
   for (; ch_it != ch_end; ++ch_it) {  // loop over chambers
     DTChamberId chID = (*ch_it)->id();
 
     MonitorElement* histo = igetter.get(getMEName(chID));
 
     if (histo) {  // check the pointer
 
       TH2F* histo_root = histo->getTH2F();
 
       for (int sl = 1; sl != 4; ++sl) {  // loop over SLs
         // skip theta SL in MB4 chambers
         if (chID.station() == 4 && sl == 2)
           continue;
 
         int binYlow = ((sl - 1) * 4) + 1;
 
         for (int layer = 1; layer <= 4; ++layer) {  // loop over layers
 
           // Get the layer ID
           DTLayerId layID(chID, sl, layer);
 
           int nWires = muonGeom->layer(layID)->specificTopology().channels();
           int firstWire = muonGeom->layer(layID)->specificTopology().firstChannel();
 
           int binY = binYlow + (layer - 1);
 
           for (int wire = firstWire; wire != (nWires + firstWire); wire++) {  // loop over wires
 
             double noise = histo_root->GetBinContent(wire, binY);
             // fill the histos
             noiseHistos[chID.wheel()]->Fill(noise);
             noiseHistos[3]->Fill(noise);
             int sector = chID.sector();
             if (noise > noisyCellDef) {
               if (sector == 13) {
                 sector = 4;
               } else if (sector == 14) {
                 sector = 10;
               }
               noisyCellHistos[chID.wheel()]->Fill(sector, chID.station());
               summaryNoiseHisto->Fill(sector, chID.wheel());
             }
           }
         }
       }
     }
   }
 
   if (detailedAnalysis) {
     threshChannelsHisto->Reset();
     TH1F* histo = noiseHistos[3]->getTH1F();
     for (int step = 0; step != 15; step++) {
       int threshBin = step + 1;
       int minBin = 26 + step * 5;
       int nNoisyCh = histo->Integral(minBin, 101);
       threshChannelsHisto->setBinContent(threshBin, nNoisyCh);
     }
   }
 
   // build the summary of synch noise
 
   if (doSynchNoise) {
     LogTrace("DTDQM|DTMonitorClient|DTNoiseAnalysisTest")
         << "[DTNoiseAnalysisTest]: fill summaries for synch noise" << endl;
     summarySynchNoiseHisto->Reset();
     glbSummarySynchNoiseHisto->Reset();
     for (int wheel = -2; wheel != 3; ++wheel) {
       // Get the histo produced by DTDigiTask
 
       MonitorElement* histoNoiseSynch = igetter.get(getSynchNoiseMEName(wheel));
       if (histoNoiseSynch != nullptr) {
         for (int sect = 1; sect != 13; ++sect) {  // loop over sectors
           TH2F* histo = histoNoiseSynch->getTH2F();
           float maxSectRate = 0;
           for (int sta = 1; sta != 5; ++sta) {
             if (nevents > 0)
               chRate = histo->GetBinContent(sect, sta) / (float)nevents;
             else
               chRate = -1.0;
             // in case nevents 0 e.g. counting not done
             LogTrace("DTDQM|DTMonitorClient|DTNoiseAnalysisTest")
                 << "   Wheel: " << wheel << " sect: " << sect << " station: " << sta << " rate is: " << chRate << endl;
             if (chRate > maxSectRate)
               maxSectRate = chRate;
           }
           summarySynchNoiseHisto->Fill(sect, wheel, maxSectRate > maxSynchNoiseRate ? 1 : 0);
           float glbBinValue = 1 - 0.15 * maxSectRate / maxSynchNoiseRate;
           glbSummarySynchNoiseHisto->Fill(sect, wheel, glbBinValue > 0 ? glbBinValue : 0);
         }
       } else {
         LogWarning("DTDQM|DTMonitorClient|DTNoiseAnalysisTest")
             << "   Histo: " << getSynchNoiseMEName(wheel) << " not found!" << endl;
       }
     }
   }
 
   string nEvtsName = "DT/EventInfo/Counters/nProcessedEventsNoise";
 
   MonitorElement* meProcEvts = igetter.get(nEvtsName);
 
   if (meProcEvts) {
     int nProcEvts = meProcEvts->getFloatValue();
     glbSummarySynchNoiseHisto->setEntries(nProcEvts < nMinEvts ? 10. : nProcEvts);
     summarySynchNoiseHisto->setEntries(nProcEvts < nMinEvts ? 10. : nProcEvts);
   } else {
     glbSummarySynchNoiseHisto->setEntries(nMinEvts + 1);
     summarySynchNoiseHisto->setEntries(nMinEvts + 1);
     LogVerbatim("DTDQM|DTMonitorClient|DTnoiseAnalysisTest")
         << "[DTNoiseAnalysisTest] ME: " << nEvtsName << " not found!" << endl;
   }
 }

string DTNoiseAnalysisTest::getMEName ( const DTChamberId & chID )

private

Get the ME name.

Definition at line 202 of file DTNoiseAnalysisTest.cc.

References DTChamberId::sector(), DTChamberId::station(), relativeConstraints::station, AlCaHLTBitMon_QueryRunRegistry::string, and DTChamberId::wheel().

Referenced by dqmEndLuminosityBlock().

                                                              {
   stringstream wheel;
   wheel << chID.wheel();
   stringstream station;
   station << chID.station();
   stringstream sector;
   sector << chID.sector();
 
   string folderName = "DT/05-Noise/Wheel" + wheel.str() + "/Sector" + sector.str() + "/";
 
   string histoname =
       folderName + string("NoiseRate") + "_W" + wheel.str() + "_St" + station.str() + "_Sec" + sector.str();
 
   return histoname;
 }

string DTNoiseAnalysisTest::getSynchNoiseMEName ( int wheelId ) const

private

Definition at line 279 of file DTNoiseAnalysisTest.cc.

References AlCaHLTBitMon_QueryRunRegistry::string.

Referenced by dqmEndLuminosityBlock().

                                                                  {
   stringstream wheel;
   wheel << wheelId;
   string folderName = "DT/05-Noise/SynchNoise/";
   string histoname = folderName + string("SyncNoiseEvents") + "_W" + wheel.str();
 
   return histoname;
 }