#include <SiPixelRecHitConverter.h>

Inheritance diagram for cms::SiPixelRecHitConverter:

Public Member Functions
virtual void	beginJob ()
virtual void	produce (edm::Event &e, const edm::EventSetup &c)
	The "Event" entrypoint: gets called by framework for every event.
void	run (const edmNew::DetSetVector< SiPixelCluster > &input, SiPixelRecHitCollectionNew &output, edm::ESHandle< TrackerGeometry > &geom)
void	run (edm::Handle< edmNew::DetSetVector< SiPixelCluster > > inputhandle, SiPixelRecHitCollectionNew &output, edm::ESHandle< TrackerGeometry > &geom)
	SiPixelRecHitConverter (const edm::ParameterSet &conf)
	Constructor: set the ParameterSet and defer all thinking to setupCPE().
virtual	~SiPixelRecHitConverter ()
Private Attributes
edm::ParameterSet	conf_
const PixelClusterParameterEstimator *	cpe_
std::string	cpeName_
bool	m_newCont
bool	ready_
edm::InputTag	src_
int	theVerboseLevel

Detailed Description

Definition at line 62 of file SiPixelRecHitConverter.h.

Constructor & Destructor Documentation

SiPixelRecHitConverter::SiPixelRecHitConverter ( const edm::ParameterSet & conf ) [explicit]

Constructor: set the ParameterSet and defer all thinking to setupCPE().

Definition at line 48 of file SiPixelRecHitConverter.cc.

    : 
    conf_(conf),
    cpeName_("None"),     // bogus
    cpe_(0),              // the default, in case we fail to make one
    ready_(false),        // since we obviously aren't
    src_( conf.getParameter<edm::InputTag>( "src" ) ),
    theVerboseLevel(conf.getUntrackedParameter<int>("VerboseLevel",0))
  {
    //--- Declare to the EDM what kind of collections we will be making.
    produces<SiPixelRecHitCollection>();
   
  }

SiPixelRecHitConverter::~SiPixelRecHitConverter ( ) [virtual]

Definition at line 63 of file SiPixelRecHitConverter.cc.

  { 
  }

Member Function Documentation

void SiPixelRecHitConverter::beginJob ( void ) [virtual]

Reimplemented from edm::EDProducer.

Definition at line 71 of file SiPixelRecHitConverter.cc.

  {
  }

void SiPixelRecHitConverter::produce	(	edm::Event &	e,
		const edm::EventSetup &	c
	)		`[virtual]`

The "Event" entrypoint: gets called by framework for every event.

Implements edm::EDProducer.

Definition at line 78 of file SiPixelRecHitConverter.cc.

References conf_, cpe_, cpeName_, relativeConstraints::geom, edm::EventSetup::get(), edm::Event::getByLabel(), edm::ParameterSet::getParameter(), collect_tpl::input, convertSQLitetoXML_cfg::output, edm::Event::put(), ready_, run(), and src_.

  {

    // Step A.1: get input data
    edm::Handle< edmNew::DetSetVector<SiPixelCluster> > input;
    e.getByLabel( src_, input);
    
    // Step A.2: get event setup
    edm::ESHandle<TrackerGeometry> geom;
    es.get<TrackerDigiGeometryRecord>().get( geom );

                // Step B: create empty output collection
    std::auto_ptr<SiPixelRecHitCollectionNew> output(new SiPixelRecHitCollectionNew);

    // Step B*: create CPE
    edm::ESHandle<PixelClusterParameterEstimator> hCPE;
    std::string cpeName_ = conf_.getParameter<std::string>("CPE");
    es.get<TkPixelCPERecord>().get(cpeName_,hCPE);
    const PixelClusterParameterEstimator &cpe(*hCPE);
    cpe_ = &cpe;
    
    if(cpe_) ready_ = true;
    
    
    // Step C: Iterate over DetIds and invoke the strip CPE algorithm
    // on each DetUnit

    run( input, *output, geom );


    e.put(output);

  }

void cms::SiPixelRecHitConverter::run	(	const edmNew::DetSetVector< SiPixelCluster > &	input,
		SiPixelRecHitCollectionNew &	output,
		edm::ESHandle< TrackerGeometry > &	geom
	)

Referenced by produce().

void SiPixelRecHitConverter::run	(	edm::Handle< edmNew::DetSetVector< SiPixelCluster > >	inputhandle,
		SiPixelRecHitCollectionNew &	output,
		edm::ESHandle< TrackerGeometry > &	geom
	)

Iterate over DetUnits, then over Clusters and invoke the CPE on each, and make a RecHit to store the result. New interface reading DetSetVector by V.Chiochia (May 30th, 2006)

Definition at line 117 of file SiPixelRecHitConverter.cc.

References edmNew::DetSetVector< T >::begin(), cpe_, cpeName_, cond::rpcobgas::detid, edmNew::DetSetVector< T >::end(), collect_tpl::input, asciidump::le, ClusterParameterEstimator< T >::localParameters(), LogDebug, edm::makeRefTo(), edmNew::DetSetVector< T >::FastFiller::push_back(), PixelCPEBase::rawQualityWord(), ready_, edmNew::DetSetVector< T >::FastFiller::size(), and theVerboseLevel.

  {
    if ( ! ready_ ) 
      {
        edm::LogError("SiPixelRecHitConverter") << " at least one CPE is not ready -- can't run!";
        // TO DO: throw an exception here?  The user may want to know...
        assert(0);
        return;   // clusterizer is invalid, bail out
      }
    
    int numberOfDetUnits = 0;
    int numberOfClusters = 0;
    
    const edmNew::DetSetVector<SiPixelCluster>& input = *inputhandle;
    
    edmNew::DetSetVector<SiPixelCluster>::const_iterator DSViter=input.begin();
    
    for ( ; DSViter != input.end() ; DSViter++) 
      {
        numberOfDetUnits++;
        unsigned int detid = DSViter->detId();
        DetId detIdObject( detid );  
        const GeomDetUnit * genericDet = geom->idToDetUnit( detIdObject );
        const PixelGeomDetUnit * pixDet = dynamic_cast<const PixelGeomDetUnit*>(genericDet);
        assert(pixDet); 
        SiPixelRecHitCollectionNew::FastFiller recHitsOnDetUnit(output,detid);
        
        edmNew::DetSet<SiPixelCluster>::const_iterator clustIt = DSViter->begin(), clustEnd = DSViter->end();
        
        for ( ; clustIt != clustEnd; clustIt++) 
          {
            numberOfClusters++;
            std::pair<LocalPoint, LocalError> lv = cpe_->localParameters( *clustIt, *genericDet );
            LocalPoint lp( lv.first );
            LocalError le( lv.second );
            // Create a persistent edm::Ref to the cluster
            edm::Ref< edmNew::DetSetVector<SiPixelCluster>, SiPixelCluster > cluster = edmNew::makeRefTo( inputhandle, clustIt);
            // Make a RecHit and add it to the DetSet
            // old : recHitsOnDetUnit.push_back( new SiPixelRecHit( lp, le, detIdObject, &*clustIt) );
            SiPixelRecHit hit( lp, le, detIdObject, cluster);
            // Copy the extra stuff; unfortunately, only the derivatives of PixelCPEBase
            // are capable of doing that.  So until we get rid of CPEFromDetPosition
            // we'll have to dynamic_cast :(
            // &&& This cast can be moved to the setupCPE, so that it's done once per job.
            const PixelCPEBase * cpeBase 
              = dynamic_cast< const PixelCPEBase* >( cpe_ );
            if (cpeBase) 
              {
                hit.setRawQualityWord( cpeBase->rawQualityWord() );
                // hit.setProbabilityX( cpeBase->probabilityX() );
                // hit.setProbabilityY( cpeBase->probabilityY() );
                // hit.setQBin( cpeBase->qBin() );
                // hit.setCotAlphaFromCluster( cpeBase->cotAlphaFromCluster() );
                // hit.setCotBetaFromCluster ( cpeBase->cotBetaFromCluster()  );
              }
            // 
            // Now save it =================
            recHitsOnDetUnit.push_back(hit);
            // =============================
          } //  <-- End loop on Clusters
        
        if ( recHitsOnDetUnit.size()>0 ) 
          {
            if (theVerboseLevel > 2) 
              LogDebug("SiPixelRecHitConverter") << " Found " 
                                                 << recHitsOnDetUnit.size() << " RecHits on " << detid; 
          }
        
      } //    <-- End loop on DetUnits
    
    if ( theVerboseLevel > 2 ) LogDebug ("SiPixelRecHitConverter") 
      << cpeName_ << " converted " << numberOfClusters 
      << " SiPixelClusters into SiPixelRecHits, in " 
      << numberOfDetUnits << " DetUnits.";      
  }