EcalRawToRecHitProducer.cc

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#include "EventFilter/EcalRawToDigi/plugins/EcalRawToRecHitProducer.h"

EcalRawToRecHitProducer::EcalRawToRecHitProducer(const edm::ParameterSet& iConfig)
{
  lsourceTag_=iConfig.getParameter<edm::InputTag>("lazyGetterTag");
  sourceTag_=iConfig.getParameter<edm::InputTag>("sourceTag");

  splitOutput_=iConfig.getParameter<bool>("splitOutput");
  if (splitOutput_){
    EBrechitCollection_=iConfig.getParameter<std::string>("EBrechitCollection");
    EErechitCollection_=iConfig.getParameter<std::string>("EErechitCollection");
    produces<EBRecHitCollection>(EBrechitCollection_);
    produces<EERecHitCollection>(EErechitCollection_);
    LogDebug("EcalRawToRecHit|Producer")<<"ready to create rechits from lazy getter: "<<lsourceTag_
                    <<"\n using region ref from: "<<sourceTag_
                    <<"\n splitting in two collections"
                    <<"\n EB instance: "<<EBrechitCollection_
                    <<"\n EE instance: "<<EErechitCollection_;
  }
  else{
    rechitCollection_=iConfig.getParameter<std::string>("rechitCollection");
    produces<EcalRecHitCollection>(rechitCollection_);
    LogDebug("EcalRawToRecHit|Producer")<<"ready to create rechits from lazy getter: "<<lsourceTag_
                    <<"\n using region ref from: "<<sourceTag_
                    <<"\n not splitting the output collection.";
  }
}


EcalRawToRecHitProducer::~EcalRawToRecHitProducer()
{
}


//
// member functions
//

// ------------ method called to produce the data  ------------
void
EcalRawToRecHitProducer::produce(edm::Event& iEvent, const edm::EventSetup& iSetup)
{
  using namespace edm;

  MyWatcher watcher("Producer");
  LogDebug("EcalRawToRecHit|Producer")<<watcher.lap();

  //retrieve a lazygetter
  edm::Handle<EcalRecHitLazyGetter> lgetter;
  iEvent.getByLabel(lsourceTag_, lgetter);
  LogDebug("EcalRawToRecHit|Producer")<<"lazy getter retreived from: "<<lsourceTag_<<(lgetter.failedToGet()?" not valid ":"valid")
                      <<watcher.lap();
  
  //retrieve a refgetter
  edm::Handle<EcalRecHitRefGetter> rgetter;
  iEvent.getByLabel(sourceTag_ ,rgetter);
  LogDebug("EcalRawToRecHit|Producer")<<"ref getter retreived from: "<<sourceTag_<<(rgetter.failedToGet()?" not valid ":"valid")
                      <<watcher.lap();

 
  if (splitOutput_){
    //prepare the output collection
    std::auto_ptr<EBRecHitCollection> EBrechits( new EBRecHitCollection );
    std::auto_ptr<EERecHitCollection> EErechits( new EERecHitCollection );
    //loop the refgetter
    unsigned int iR=0;
    EcalRecHitRefGetter::const_iterator iRegion=rgetter->begin();
    EcalRecHitRefGetter::const_iterator iRegionEnd=rgetter->end();
    for (;iRegion!=iRegionEnd;++iRegion){
      LogDebug("EcalRawToRecHit|Producer")<<"looping over refgetter region: "<<iR<<watcher.lap();
      std::vector<EcalRecHit>::const_iterator iRecHit=lgetter->begin_record()+iRegion->start();
      std::vector<EcalRecHit>::const_iterator iRecHitEnd =lgetter->begin_record()+iRegion->finish();
      for (;iRecHit!=iRecHitEnd;iRecHit++){
    DetId detid =iRecHit->id();
    //split barrel and endcap
    int EcalNum=detid.subdetId(); //1 stands for Barrel, 2 for endcaps
    LogDebug("EcalRawToRecHit|Producer")<<"subdetId is: "<<EcalNum;
    if (EcalNum==1) EBrechits->push_back(*iRecHit);
    else if (EcalNum==2) EErechits->push_back(*iRecHit);
    else {
      edm::LogError("IncorrectRecHit")<<" a subdetid is not recognized. recHit on :"<< iRecHit->id().rawId() 
                           <<" is lost.";
    }//subdetid
      }//loop over things in region
      LogDebug("EcalRawToRecHit|Producer")<<"looping over refgetter region: "<<iR++<<" done"
                      <<watcher.lap();
    }//loop over regions

    LogDebug("EcalRawToRecHit|Producer")<<EBrechits->size()<<" EB recHits to be put with instance: "<<EBrechitCollection_
                    <<"\n"<<EErechits->size()<<" EE recHits to be put with instance: "<<EErechitCollection_
                    << watcher.lap();
    iEvent.put(EBrechits, EBrechitCollection_);
    iEvent.put(EErechits, EErechitCollection_);
    LogDebug("EcalRawToRecHit|Producer")<<"collections uploaded."
                    << watcher.lap();
  }
  else{
    //prepare the output collection
    std::auto_ptr< EcalRecHitCollection > rechits( new EcalRecHitCollection);
    //loop the refgetter
    unsigned int iR=0;
    EcalRecHitRefGetter::const_iterator iRegion=rgetter->begin();
    EcalRecHitRefGetter::const_iterator iRegionEnd=rgetter->end();
    for (;iRegion!=iRegionEnd;++iRegion){
      LogDebug("EcalRawToRecHit|Producer")<<"looping over refgetter region: "<<iR<<watcher.lap();
      std::vector<EcalRecHit>::const_iterator iRecHit=lgetter->begin_record()+iRegion->start();
      std::vector<EcalRecHit>::const_iterator iRecHitEnd=lgetter->begin_record()+iRegion->finish();
      for (;iRecHit!=iRecHitEnd;iRecHit++){
    LogDebug("EcalRawToRecHit|Producer")<<"dereferencing rechit ref.";
    DetId detid =iRecHit->id();
    int EcalNum=detid.subdetId(); //1 stands for Barrel, 2 for endcaps
    LogDebug("EcalRawToRecHit|Producer")<<"subdetId is: "<<EcalNum;
    rechits->push_back(*iRecHit);
      }//loop over things in region
      LogDebug("EcalRawToRecHit|Producer")<<"looping over refgetter region: "<<iR++<<" done"<<watcher.lap();
    }//loop over regions
    LogDebug("EcalRawToRecHit|Producer")<<rechits->size()<<" rechits to be put."<< watcher.lap();
    iEvent.put(rechits,rechitCollection_);
    LogDebug("EcalRawToRecHit|Producer")<<"collections uploaded."
                    << watcher.lap();
  }

}