PixelVertexProducerClusters Class Reference

#include <PixelVertexProducerClusters.h>

Inheritance diagram for PixelVertexProducerClusters:

Public Member Functions
	PixelVertexProducerClusters (const edm::ParameterSet &ps)
void	produce (edm::StreamID, edm::Event &ev, const edm::EventSetup &es) const override
	~PixelVertexProducerClusters () override
Public Member Functions inherited from edm::global::EDProducer<>
	EDProducer ()=default
bool	hasAbilityToProduceInLumis () const final
bool	hasAbilityToProduceInRuns () const final
bool	wantsGlobalLuminosityBlocks () const final
bool	wantsGlobalRuns () const final
bool	wantsStreamLuminosityBlocks () const final
bool	wantsStreamRuns () const final
Public Member Functions inherited from edm::global::EDProducerBase
	EDProducerBase ()
ModuleDescription const &	moduleDescription () 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
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 const &	operator= (EDConsumerBase const &)=delete
EDConsumerBase &	operator= (EDConsumerBase &&)=default
bool	registeredToConsume (ProductResolverIndex, bool, BranchType) const
bool	registeredToConsumeMany (TypeID const &, BranchType) const
ProductResolverIndexAndSkipBit	uncheckedIndexFrom (EDGetToken) const
void	updateLookup (BranchType iBranchType, ProductResolverIndexHelper const &, bool iPrefetchMayGet)
virtual	~EDConsumerBase () noexcept(false)

Private Attributes
edm::EDGetTokenT< SiPixelRecHitCollection >	pixelToken_

Additional Inherited Members
Public Types inherited from edm::global::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::global::EDProducerBase
static const std::string &	baseType ()
static void	fillDescriptions (ConfigurationDescriptions &descriptions)
static void	prevalidate (ConfigurationDescriptions &descriptions)
Protected Member Functions inherited from edm::EDConsumerBase
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	consumes (edm::InputTag const &tag)
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 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)

Detailed Description

Definition at line 13 of file PixelVertexProducerClusters.h.

Constructor & Destructor Documentation

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

explicit

Definition at line 65 of file PixelVertexProducerClusters.cc.

                              : pixelToken_(consumes<SiPixelRecHitCollection>(edm::InputTag("siPixelRecHits")))
{
  // Product
  produces<reco::VertexCollection>();
}

PixelVertexProducerClusters::~PixelVertexProducerClusters ( )

override

Definition at line 72 of file PixelVertexProducerClusters.cc.

References produce().

{ 
}

Member Function Documentation

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

override

Definition at line 79 of file PixelVertexProducerClusters.cc.

References edmNew::DetSetVector< T >::data(), MillePedeFileConverter_cfg::e, edmNew::DetSetVector< T >::empty(), edm::EventSetup::get(), edm::Event::getByToken(), hfClusterShapes_cfi::hits, TrackerGeometry::idToDet(), TrackerGeometry::idToDetUnit(), createfilelist::int, PixelTopology::isItEdgePixelInX(), PixelTopology::isItEdgePixelInY(), LogTrace, eostools::move(), nhits, digitizers_cfi::pixel, PixelSubdetector::PixelBarrel, edm::Handle< T >::product(), edm::ESHandle< T >::product(), edm::Event::put(), rpcPointValidation_cfi::recHit, edmNew::DetSetVector< T >::size(), PixelGeomDetUnit::specificTopology(), GeomDet::toGlobal(), and electrons_cff::vertices.

Referenced by ~PixelVertexProducerClusters().

{
  //Retrieve tracker topology from geometry
  edm::ESHandle<TrackerTopology> tTopo;
  es.get<TrackerTopologyRcd>().get(tTopo);

  // Get tracker geometry
  edm::ESHandle<TrackerGeometry> trackerHandle;
  es.get<TrackerDigiGeometryRecord>().get(trackerHandle);
  const TrackerGeometry* theTracker = trackerHandle.product();


  // Get pixel hit collections
  edm::Handle<SiPixelRecHitCollection> pixelColl;
  ev.getByToken(pixelToken_,           pixelColl);

  const SiPixelRecHitCollection* thePixelHits = pixelColl.product();

  auto vertices = std::make_unique<reco::VertexCollection>();

  if(!thePixelHits->empty())
  {
    vector<VertexHit> hits;

    for(SiPixelRecHitCollection::DataContainer::const_iterator
           recHit = thePixelHits->data().begin(),
           recHitEnd = thePixelHits->data().end();
           recHit != recHitEnd; ++recHit)
    {
      if(recHit->isValid())
      {
//      if(!(recHit->isOnEdge() || recHit->hasBadPixels()))
        DetId id = recHit->geographicalId();
        const PixelGeomDetUnit* pgdu =
          dynamic_cast<const PixelGeomDetUnit*>(theTracker->idToDetUnit(id));
        const PixelTopology* theTopol = ( &(pgdu->specificTopology()) );
        vector<SiPixelCluster::Pixel> pixels = recHit->cluster()->pixels();

        bool pixelOnEdge = false;
        for(vector<SiPixelCluster::Pixel>::const_iterator
               pixel = pixels.begin(); pixel!= pixels.end(); pixel++)
        {
          int pos_x = (int)pixel->x;
          int pos_y = (int)pixel->y;

          if(theTopol->isItEdgePixelInX(pos_x) ||
              theTopol->isItEdgePixelInY(pos_y))
          { pixelOnEdge = true; break; }
        }
    
        if(!pixelOnEdge)
        if(id.subdetId() == int(PixelSubdetector::PixelBarrel))  
        {
          
 
          LocalPoint lpos = LocalPoint(recHit->localPosition().x(),
                                       recHit->localPosition().y(),
                                       recHit->localPosition().z());

          GlobalPoint gpos = theTracker->idToDet(id)->toGlobal(lpos);

          VertexHit hit;
          hit.z = gpos.z(); 
          hit.r = gpos.perp(); 
          hit.w = recHit->cluster()->sizeY();

          hits.push_back(hit);
        }
      }
    }

    int nhits; int nhits_max = 0;
    float chi; float chi_max = 1e+9;

    float zest = 0;
 
    for(float z0 = -15.9; z0 <= 15.95; z0 += 0.1)
    {
      nhits = getContainedHits(hits, z0, chi);

      if(nhits > 0)
      {
        if(nhits >  nhits_max)
        { chi_max = 1e+9; nhits_max = nhits; }

        if(nhits >= nhits_max)
        if(chi < chi_max)
        { chi_max = chi; zest = z0; }
      }
    }

    LogTrace("MinBiasTracking")
      << "  [vertex position] estimated = " << zest 
      << " | pixel barrel hits = " << thePixelHits->size();

    reco::Vertex::Error err;
    err(2,2) = 0.6 * 0.6;
    reco::Vertex ver(reco::Vertex::Point(0,0,zest), err, 0, 1, 1);
    vertices->push_back(ver);
  }

  ev.put(std::move(vertices));
}

Member Data Documentation

edm::EDGetTokenT<SiPixelRecHitCollection> PixelVertexProducerClusters::pixelToken_

private

Definition at line 21 of file PixelVertexProducerClusters.h.