#include <HIPixelMedianVtxProducer.h>

Inheritance diagram for HIPixelMedianVtxProducer:

Public Member Functions
	HIPixelMedianVtxProducer (const edm::ParameterSet &ps)

void	produce (edm::Event &ev, const edm::EventSetup &es) override

	~HIPixelMedianVtxProducer () override

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

SerialTaskQueue *	globalLuminosityBlocksQueue () final

SerialTaskQueue *	globalRunsQueue () final

bool	hasAbilityToProduceInBeginLumis () const final

bool	hasAbilityToProduceInBeginRuns () const final

bool	hasAbilityToProduceInEndLumis () const final

bool	hasAbilityToProduceInEndRuns () const final

bool	wantsGlobalLuminosityBlocks () const final

bool	wantsGlobalRuns () 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

std::vector< bool > const &	recordProvenanceList () 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)

TypeLabelList const &	typeLabelList () const
	used by the fwk to register the list of products of this module More...

	~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 &&)=default

	EDConsumerBase (EDConsumerBase const &)=delete

ESProxyIndex const *	esGetTokenIndices (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::vector< ModuleDescription const * > &modules, ProductRegistry const &preg, std::map< std::string, ModuleDescription const * > const &labelsToDesc, std::string const &processName) const

EDConsumerBase &	operator= (EDConsumerBase &&)=default

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

bool	registeredToConsume (ProductResolverIndex, bool, BranchType) const

bool	registeredToConsumeMany (TypeID const &, BranchType) const

ProductResolverIndexAndSkipBit	uncheckedIndexFrom (EDGetToken) const

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

void	updateLookup (eventsetup::ESRecordsToProxyIndices const &)

virtual	~EDConsumerBase () noexcept(false)

Private Member Functions
void	beginJob () override

Private Attributes
int	theFitBinning

double	theFitMaxZ

int	theFitThreshold

int	thePeakFindBinning

double	thePeakFindMaxZ

unsigned int	thePeakFindThresh

double	thePtMin

edm::EDGetTokenT< reco::TrackCollection >	theTrackCollection

Additional Inherited Members
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 Member Functions inherited from edm::ProducerBase
template<class ProductType >
BranchAliasSetterT< ProductType >	produces ()
	declare what type of product will make and with which optional label More...

template<typename ProductType , BranchType B>
BranchAliasSetterT< ProductType >	produces ()

template<typename ProductType , Transition B>
BranchAliasSetterT< ProductType >	produces ()

BranchAliasSetter	produces (const TypeID &id, std::string instanceName=std::string(), bool recordProvenance=true)

template<BranchType B>
BranchAliasSetter	produces (const TypeID &id, std::string instanceName=std::string(), bool recordProvenance=true)

template<Transition B>
BranchAliasSetter	produces (const TypeID &id, std::string instanceName=std::string(), bool recordProvenance=true)

template<typename ProductType , Transition B>
BranchAliasSetterT< ProductType >	produces (std::string instanceName)

template<class ProductType >
BranchAliasSetterT< ProductType >	produces (std::string instanceName)

template<typename ProductType , BranchType B>
BranchAliasSetterT< ProductType >	produces (std::string instanceName)

ProducesCollector	producesCollector ()

Protected Member Functions inherited from edm::EDConsumerBase
EDGetToken	consumes (const TypeToGet &id, edm::InputTag const &tag)

template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	consumes (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)

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

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

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

Detailed Description

Definition at line 15 of file HIPixelMedianVtxProducer.h.

Constructor & Destructor Documentation

◆ HIPixelMedianVtxProducer()

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

explicit

Definition at line 22 of file HIPixelMedianVtxProducer.cc.

     : theTrackCollection(consumes<reco::TrackCollection>(ps.getParameter<edm::InputTag>("TrackCollection"))),
       thePtMin(ps.getParameter<double>("PtMin")),
       thePeakFindThresh(ps.getParameter<unsigned int>("PeakFindThreshold")),
       thePeakFindMaxZ(ps.getParameter<double>("PeakFindMaxZ")),
       thePeakFindBinning(ps.getParameter<int>("PeakFindBinsPerCm")),
       theFitThreshold(ps.getParameter<int>("FitThreshold")),
       theFitMaxZ(ps.getParameter<double>("FitMaxZ")),
       theFitBinning(ps.getParameter<int>("FitBinsPerCm")) {
   produces<reco::VertexCollection>();
  
   //In order to make fitting ROOT histograms thread safe
   // one must call this undocumented function
   TMinuitMinimizer::UseStaticMinuit(false);
 }

◆ ~HIPixelMedianVtxProducer()

HIPixelMedianVtxProducer::~HIPixelMedianVtxProducer ( )

inlineoverride

Definition at line 18 of file HIPixelMedianVtxProducer.h.

18 {};

Member Function Documentation

◆ beginJob()

void HIPixelMedianVtxProducer::beginJob ( void )

inlineoverrideprivatevirtual

Reimplemented from edm::one::EDProducerBase.

Definition at line 22 of file HIPixelMedianVtxProducer.h.

22 {};

◆ produce()

void HIPixelMedianVtxProducer::produce	(	edm::Event &	ev,
		const edm::EventSetup &	es
	)

overridevirtual

Implements edm::one::EDProducerBase.

Definition at line 39 of file HIPixelMedianVtxProducer.cc.

                                                                             {
   // Get pixel tracks
   edm::Handle<reco::TrackCollection> trackCollection;
   ev.getByToken(theTrackCollection, trackCollection);
   const reco::TrackCollection tracks_ = *(trackCollection.product());
  
   // Select tracks above minimum pt
   std::vector<const reco::Track*> tracks;
   for (unsigned int i = 0; i < tracks_.size(); i++) {
     if (tracks_[i].pt() < thePtMin && std::fabs(tracks_[i].vz()) < 100000.)
       continue;
     reco::TrackRef recTrack(trackCollection, i);
     tracks.push_back(&(*recTrack));
   }
  
   LogTrace("MinBiasTracking") << " [VertexProducer] selected tracks: " << tracks.size() << " (out of " << tracks_.size()
                               << ") above pt = " << thePtMin;
  
   // Output vertex collection
   auto vertices = std::make_unique<reco::VertexCollection>();
  
   // No tracks -> return empty collection
   if (tracks.empty()) {
     ev.put(std::move(vertices));
     return;
   }
  
   // Sort tracks according to vertex z position
   std::sort(tracks.begin(), tracks.end(), ComparePairs());
  
   // Calculate median vz
   float med;
   if (tracks.size() % 2 == 0)
     med = (tracks[tracks.size() / 2 - 1]->vz() + tracks[tracks.size() / 2]->vz()) / 2;
   else
     med = tracks[tracks.size() / 2]->vz();
  
   LogTrace("MinBiasTracking") << "  [vertex position] median    = " << med << " cm";
  
   // In high multiplicity events, fit around most probable position
   if (tracks.size() > thePeakFindThresh) {
     // Find maximum bin
     TH1F hmax("hmax", "hmax", thePeakFindBinning * 2.0 * thePeakFindMaxZ, -1.0 * thePeakFindMaxZ, thePeakFindMaxZ);
  
     for (std::vector<const reco::Track*>::const_iterator track = tracks.begin(); track != tracks.end(); track++)
       if (fabs((*track)->vz()) < thePeakFindMaxZ)
         hmax.Fill((*track)->vz());
  
     int maxBin = hmax.GetMaximumBin();
  
     LogTrace("MinBiasTracking") << "  [vertex position] most prob = " << hmax.GetBinCenter(maxBin) << " cm";
  
     // Find 3-bin weighted average
     float num = 0.0, denom = 0.0;
     for (int i = -1; i <= 1; i++) {
       num += hmax.GetBinContent(maxBin + i) * hmax.GetBinCenter(maxBin + i);
       denom += hmax.GetBinContent(maxBin + i);
     }
  
     if (denom == 0) {
       reco::Vertex::Error err;
       err(2, 2) = 0.1 * 0.1;
       reco::Vertex ver(reco::Vertex::Point(0, 0, 99999.), err, 0, 0, 1);
       vertices->push_back(ver);
       ev.put(std::move(vertices));
       return;
     }
  
     float nBinAvg = num / denom;
  
     // Center fit at 3-bin weighted average around max bin
     med = nBinAvg;
  
     LogTrace("MinBiasTracking") << "  [vertex position] 3-bin weighted average = " << nBinAvg << " cm";
   }
  
   // Bin vz-values around most probable value (or median) for fitting
   TH1F histo("histo", "histo", theFitBinning * 2.0 * theFitMaxZ, -1.0 * theFitMaxZ, theFitMaxZ);
   histo.Sumw2();
  
   for (std::vector<const reco::Track*>::const_iterator track = tracks.begin(); track != tracks.end(); track++)
     if (fabs((*track)->vz() - med) < theFitMaxZ)
       histo.Fill((*track)->vz() - med);
  
   LogTrace("MinBiasTracking") << "  [vertex position] most prob for fit = "
                               << med + histo.GetBinCenter(histo.GetMaximumBin()) << " cm";
  
   // If there are very few entries, don't do the fit
   if (histo.GetEntries() <= theFitThreshold) {
     LogTrace("MinBiasTracking") << "  [vertex position] Fewer than" << theFitThreshold
                                 << " entries in fit histogram. Returning median.";
  
     reco::Vertex::Error err;
     err(2, 2) = 0.1 * 0.1;
     reco::Vertex ver(reco::Vertex::Point(0, 0, med), err, 0, 1, 1);
     vertices->push_back(ver);
     ev.put(std::move(vertices));
     return;
   }
  
   // Otherwise, there are enough entries to refine the estimate with a fit
   TF1 f1("f1", "[0]*exp(-0.5 * ((x-[1])/[2])^2) + [3]");
   f1.SetParameters(10., 0., 0.02, 0.002 * tracks.size());
   f1.SetParLimits(1, -0.1, 0.1);
   f1.SetParLimits(2, 0.001, 0.05);
   f1.SetParLimits(3, 0.0, 0.005 * tracks.size());
  
   histo.Fit(&f1, "QN SERIAL");
  
   LogTrace("MinBiasTracking") << "  [vertex position] fitted    = " << med + f1.GetParameter(1) << " +- "
                               << f1.GetParError(1) << " cm";
  
   reco::Vertex::Error err;
   err(2, 2) = f1.GetParError(1) * f1.GetParError(1);
   reco::Vertex ver(reco::Vertex::Point(0, 0, med + f1.GetParameter(1)), err, 0, 1, 1);
   vertices->push_back(ver);
  
   ev.put(std::move(vertices));
   return;
 }

References makePileupJSON::denom, runTheMatrix::err, ev, DeadROC_duringRun::f1, timingPdfMaker::histo, mps_fire::i, LogTrace, cms::cuda::allocator::maxBin, eostools::move(), EgammaValidation_cff::num, DiDispStaMuonMonitor_cfi::pt, tools::TF1, theFitBinning, theFitMaxZ, theFitThreshold, thePeakFindBinning, thePeakFindMaxZ, thePeakFindThresh, thePtMin, theTrackCollection, HLT_2018_cff::track, duplicaterechits_cfi::trackCollection, PDWG_EXOHSCP_cff::tracks, and pwdgSkimBPark_cfi::vertices.

Member Data Documentation

◆ theFitBinning

int HIPixelMedianVtxProducer::theFitBinning

private

Definition at line 31 of file HIPixelMedianVtxProducer.h.

Referenced by produce().

◆ theFitMaxZ

double HIPixelMedianVtxProducer::theFitMaxZ

private

Definition at line 30 of file HIPixelMedianVtxProducer.h.

Referenced by produce().

◆ theFitThreshold

int HIPixelMedianVtxProducer::theFitThreshold

private

Definition at line 29 of file HIPixelMedianVtxProducer.h.

Referenced by produce().

◆ thePeakFindBinning

int HIPixelMedianVtxProducer::thePeakFindBinning

private

Definition at line 28 of file HIPixelMedianVtxProducer.h.

Referenced by produce().

◆ thePeakFindMaxZ

double HIPixelMedianVtxProducer::thePeakFindMaxZ

private

Definition at line 27 of file HIPixelMedianVtxProducer.h.

Referenced by produce().

◆ thePeakFindThresh

unsigned int HIPixelMedianVtxProducer::thePeakFindThresh

private

Definition at line 26 of file HIPixelMedianVtxProducer.h.

Referenced by produce().

◆ thePtMin

double HIPixelMedianVtxProducer::thePtMin

private

Definition at line 25 of file HIPixelMedianVtxProducer.h.

Referenced by produce().

◆ theTrackCollection

edm::EDGetTokenT<reco::TrackCollection> HIPixelMedianVtxProducer::theTrackCollection

private

Definition at line 22 of file HIPixelMedianVtxProducer.h.

Referenced by produce().

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ HIPixelMedianVtxProducer()

◆ ~HIPixelMedianVtxProducer()

Member Function Documentation

◆ beginJob()

◆ produce()

Member Data Documentation

◆ theFitBinning

◆ theFitMaxZ

◆ theFitThreshold

◆ thePeakFindBinning

◆ thePeakFindMaxZ

◆ thePeakFindThresh

◆ thePtMin

◆ theTrackCollection