/data/refman/pasoursint/CMSSW_6_1_2_SLHC2/src/RecoTracker/TkSeedGenerator/plugins/SeedGeneratorFromRegionHitsEDProducer.cc

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#include "SeedGeneratorFromRegionHitsEDProducer.h"

#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EventSetup.h"

#include "DataFormats/TrajectorySeed/interface/TrajectorySeedCollection.h"

#include "RecoTracker/TkTrackingRegions/interface/TrackingRegionProducerFactory.h"
#include "RecoTracker/TkTrackingRegions/interface/TrackingRegionProducer.h"
#include "RecoTracker/TkTrackingRegions/interface/TrackingRegion.h"

#include "RecoTracker/TkTrackingRegions/interface/OrderedHitsGeneratorFactory.h"
#include "RecoTracker/TkTrackingRegions/interface/OrderedHitsGenerator.h"

#include "RecoTracker/TkSeedingLayers/interface/SeedComparitorFactory.h"
#include "RecoTracker/TkSeedingLayers/interface/SeedComparitor.h"

#include "RecoTracker/TkSeedGenerator/interface/SeedCreatorFactory.h"
#include "RecoTracker/TkSeedGenerator/interface/SeedCreator.h"

#include "RecoTracker/TkSeedGenerator/interface/SeedGeneratorFromRegionHits.h"
#include "RecoPixelVertexing/PixelTriplets/interface/QuadrupletSeedMerger.h"

SeedGeneratorFromRegionHitsEDProducer::SeedGeneratorFromRegionHitsEDProducer(
    const edm::ParameterSet& cfg) 
  : theConfig(cfg), theGenerator(0), theRegionProducer(0),
    theClusterCheck(cfg.getParameter<edm::ParameterSet>("ClusterCheckPSet")),
    theMerger_(0)
{
  theSilentOnClusterCheck = cfg.getParameter<edm::ParameterSet>("ClusterCheckPSet").getUntrackedParameter<bool>("silentClusterCheck",false);

  // seed merger & its settings
  if ( cfg.exists("SeedMergerPSet")) {
    edm::ParameterSet mergerPSet = theConfig.getParameter<edm::ParameterSet>( "SeedMergerPSet" );
    theMerger_=new QuadrupletSeedMerger();
    theMerger_->setTTRHBuilderLabel( mergerPSet.getParameter<std::string>( "ttrhBuilderLabel" ) );
    theMerger_->setMergeTriplets( mergerPSet.getParameter<bool>( "mergeTriplets" ) );
    theMerger_->setAddRemainingTriplets( mergerPSet.getParameter<bool>( "addRemainingTriplets" ) );
    theMerger_->setLayerListName( mergerPSet.getParameter<std::string>( "layerListName" ) );
  }

  produces<TrajectorySeedCollection>();
}

SeedGeneratorFromRegionHitsEDProducer::~SeedGeneratorFromRegionHitsEDProducer()
{
}

void SeedGeneratorFromRegionHitsEDProducer::endRun(edm::Run &run, const edm::EventSetup& es) {
  delete theRegionProducer;
  delete theGenerator;
}

void SeedGeneratorFromRegionHitsEDProducer::beginRun(edm::Run &run, const edm::EventSetup& es)
{
  edm::ParameterSet regfactoryPSet = 
      theConfig.getParameter<edm::ParameterSet>("RegionFactoryPSet");
  std::string regfactoryName = regfactoryPSet.getParameter<std::string>("ComponentName");
  theRegionProducer = TrackingRegionProducerFactory::get()->create(regfactoryName,regfactoryPSet);

  edm::ParameterSet hitsfactoryPSet = 
      theConfig.getParameter<edm::ParameterSet>("OrderedHitsFactoryPSet");
  std::string hitsfactoryName = hitsfactoryPSet.getParameter<std::string>("ComponentName");
  OrderedHitsGenerator*  hitsGenerator = 
      OrderedHitsGeneratorFactory::get()->create( hitsfactoryName, hitsfactoryPSet);

  edm::ParameterSet comparitorPSet =
      theConfig.getParameter<edm::ParameterSet>("SeedComparitorPSet");
  std::string comparitorName = comparitorPSet.getParameter<std::string>("ComponentName");
  SeedComparitor * aComparitor = (comparitorName == "none") ? 
      0 :  SeedComparitorFactory::get()->create( comparitorName, comparitorPSet);   

  edm::ParameterSet creatorPSet =
      theConfig.getParameter<edm::ParameterSet>("SeedCreatorPSet");
  std::string creatorName = creatorPSet.getParameter<std::string>("ComponentName");
  SeedCreator * aCreator = SeedCreatorFactory::get()->create( creatorName, creatorPSet);

  theGenerator = new SeedGeneratorFromRegionHits(hitsGenerator, aComparitor, aCreator); 
 
}

void SeedGeneratorFromRegionHitsEDProducer::produce(edm::Event& ev, const edm::EventSetup& es)
{
  std::auto_ptr<TrajectorySeedCollection> triplets(new TrajectorySeedCollection());
  std::auto_ptr<TrajectorySeedCollection> quadruplets( new TrajectorySeedCollection() );

  //protection for big ass events...
  size_t clustsOrZero = theClusterCheck.tooManyClusters(ev);
  if (clustsOrZero){
    if (!theSilentOnClusterCheck)
        edm::LogError("TooManyClusters") << "Found too many clusters (" << clustsOrZero << "), bailing out.\n";
    ev.put(triplets);
    return ;
  }

  typedef std::vector<TrackingRegion* > Regions;
  typedef Regions::const_iterator IR;
  Regions regions = theRegionProducer->regions(ev,es);
  if (theMerger_!=0)
    theMerger_->update(es);

  for (IR ir=regions.begin(), irEnd=regions.end(); ir < irEnd; ++ir) {
    const TrackingRegion & region = **ir;

    // make job
    theGenerator->run(*triplets, region, ev,es);

    // make quadruplets
    // (TODO: can partly be propagated to the merger)
    if ( theMerger_ !=0 ) {
      TrajectorySeedCollection const& tempQuads = theMerger_->mergeTriplets( *triplets, region, es, theConfig ); //@@
      for( TrajectorySeedCollection::const_iterator qIt = tempQuads.begin(); qIt < tempQuads.end(); ++qIt ) {
        quadruplets->push_back( *qIt );
      }
    }
  }
 
  // clear memory
  for (IR ir=regions.begin(), irEnd=regions.end(); ir < irEnd; ++ir) delete (*ir);

  // put to event
  if ( theMerger_!=0)
    ev.put(quadruplets);
  else
    ev.put(triplets);
}