#include <PileupInformation.h>

Inheritance diagram for PileupInformation:

Public Member Functions
	PileupInformation (const edm::ParameterSet &)

Public Member Functions inherited from edm::EDProducer
	EDProducer ()

virtual	~EDProducer ()

Public Member Functions inherited from edm::ProducerBase
	ProducerBase ()

void	registerProducts (ProducerBase , ProductRegistry , ModuleDescription const &)

boost::function< void(const BranchDescription &)>	registrationCallback () const
	used by the fwk to register list of products More...

virtual	~ProducerBase ()

Private Types
typedef std::map < EncodedEventId, unsigned int >	EncodedEventIdToIndex

typedef std::map< int, int >	myindex

Private Member Functions
void	produce (edm::Event &, const edm::EventSetup &)

Private Attributes
edm::ParameterSet	conf_

double	distanceCut_

myindex	event_index_

std::string	MessageCategory_

std::vector< int >	ntrks_highpT

std::vector< int >	ntrks_lowpT

double	pTcut_1_

double	pTcut_2_

std::string	simHitLabel_

std::auto_ptr< MixCollection < SimTrack > >	simTracks_

std::auto_ptr< MixCollection < SimVertex > >	simVertexes_

std::vector< float >	sumpT_highpT

std::vector< float >	sumpT_lowpT

edm::InputTag	trackingTruth_

double	volumeRadius_

double	volumeZ_

std::vector< float >	zpositions

Additional Inherited Members
Public Types inherited from edm::EDProducer
typedef EDProducer	ModuleType

typedef WorkerT< EDProducer >	WorkerType

Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList

Static Public Member Functions inherited from edm::EDProducer
static const std::string &	baseType ()

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

Protected Member Functions inherited from edm::EDProducer
CurrentProcessingContext const *	currentContext () const

Protected Member Functions inherited from edm::ProducerBase
template<class TProducer , class TMethod >
void	callWhenNewProductsRegistered (TProducer *iProd, TMethod iMethod)

Detailed Description

Definition at line 29 of file PileupInformation.h.

Member Typedef Documentation

typedef std::map<EncodedEventId, unsigned int> PileupInformation::EncodedEventIdToIndex

private

Definition at line 42 of file PileupInformation.h.

typedef std::map< int, int > PileupInformation::myindex

private

Definition at line 43 of file PileupInformation.h.

Constructor & Destructor Documentation

PileupInformation::PileupInformation ( const edm::ParameterSet & config )

explicit

Definition at line 20 of file PileupInformation.cc.

References distanceCut_, edm::ParameterSet::getParameter(), MessageCategory_, pTcut_1_, pTcut_2_, simHitLabel_, trackingTruth_, volumeRadius_, and volumeZ_.

 {
     // Initialize global parameters
 
     pTcut_1_                = 0.1;
     pTcut_2_                = 0.5; // defaults                                                       
     distanceCut_            = config.getParameter<double>("vertexDistanceCut");
     volumeRadius_           = config.getParameter<double>("volumeRadius");
     volumeZ_                = config.getParameter<double>("volumeZ");
     pTcut_1_                = config.getParameter<double>("pTcut_1");
     pTcut_2_                = config.getParameter<double>("pTcut_2");
 
     trackingTruth_  = config.getParameter<std::string>("TrackingParticlesLabel");
 
     simHitLabel_            = config.getParameter<std::string>("simHitLabel");
 
     MessageCategory_       = "PileupInformation";
 
     edm::LogInfo (MessageCategory_) << "Setting up PileupInformation";
     edm::LogInfo (MessageCategory_) << "Vertex distance cut set to " << distanceCut_  << " mm";
     edm::LogInfo (MessageCategory_) << "Volume radius set to "       << volumeRadius_ << " mm";
     edm::LogInfo (MessageCategory_) << "Volume Z      set to "       << volumeZ_      << " mm";
     edm::LogInfo (MessageCategory_) << "Lower pT Threshold set to "       << pTcut_1_      << " GeV";
     edm::LogInfo (MessageCategory_) << "Upper pT Threshold set to "       << pTcut_2_      << " GeV";
 
 
     produces< std::vector<PileupSummaryInfo> >();
     //produces<PileupSummaryInfo>();
 }

Member Function Documentation

void PileupInformation::produce	(	edm::Event &	event,
		const edm::EventSetup &	setup
	)

privatevirtual

Implements edm::EDProducer.

Definition at line 51 of file PileupInformation.cc.

References EncodedEventId::bunchCrossing(), ExpressReco_HICollisions_FallBack::BunchCrossings, event_index_, PileupMixingContent::getMix_bunchCrossing(), PileupMixingContent::getMix_Ninteractions(), getHLTprescales::index, ntrks_highpT, ntrks_lowpT, edm::Handle< T >::product(), pTcut_1_, pTcut_2_, simHitLabel_, simVertexes_, mathSSE::sqrt(), sumpT_highpT, sumpT_lowpT, trackingTruth_, and zpositions.

 {
 
   std::auto_ptr<std::vector<PileupSummaryInfo> > PSIVector(new std::vector<PileupSummaryInfo>);
 
   edm::Handle< PileupMixingContent > MixingPileup;  // Get True pileup information from MixingModule
   event.getByLabel("mix", MixingPileup);
 
   std::vector<int> BunchCrossings;
   std::vector<int> Interactions_Xing;
 
   const PileupMixingContent* MixInfo = MixingPileup.product();
 
   if(MixInfo) {  // extract information - way easier than counting vertices
 
     const std::vector<int> bunchCrossing = MixInfo->getMix_bunchCrossing();
     const std::vector<int> interactions = MixInfo->getMix_Ninteractions();
 
     for(int ib=0; ib<(int)bunchCrossing.size(); ++ib){
       //      std::cout << " bcr, nint " << bunchCrossing[ib] << " " << interactions[ib] << std::endl;
       BunchCrossings.push_back(bunchCrossing[ib]);
       Interactions_Xing.push_back(interactions[ib]);
     }
   }
   else{ //If no Mixing Truth, work with SimVertices  (probably should throw an exception, but...)
 
     // Collect all the simvertex from the crossing frame                                            
     edm::Handle<CrossingFrame<SimVertex> > cfSimVertexes;
     event.getByLabel("mix", simHitLabel_, cfSimVertexes);
 
     // Create a mix collection from one simvertex collection                                        
     simVertexes_ = std::auto_ptr<MixCollection<SimVertex> >( new MixCollection<SimVertex>(cfSimVertexes.product()) );
 
     int index = 0;
     // Solution to the problem of not having vertexId
     //    bool FirstL = true;
     EncodedEventIdToIndex vertexId;
     EncodedEventId oldEventId;
     unsigned int oldVertexId = 0;
     int oldBX = -1000;
     int oldEvent = 0;
 
     std::vector<int> BunchCrossings2;
     std::list<int> Interactions_Xing2;
 
 
     // Loop for finding repeated vertexId (vertexId problem hack)                                   
     for (MixCollection<SimVertex>::MixItr iterator = simVertexes_->begin(); iterator != simVertexes_->end(); ++iterator, ++index)
       {
     //      std::cout << " SimVtx eventid, vertexid " << iterator->eventId().event() << " " << iterator->eventId().bunchCrossing() << std::endl;
     if (!index || iterator->eventId() != oldEventId)
       {
         if(iterator->eventId().bunchCrossing()==0 && iterator->eventId().event()==0){
           continue;
         }
         if(iterator->eventId().bunchCrossing() != oldBX) {
           BunchCrossings2.push_back(iterator->eventId().bunchCrossing());
               Interactions_Xing2.push_back(iterator->eventId().event());
           oldBX = iterator->eventId().bunchCrossing();
           oldEvent = iterator->eventId().event();
         }
         else { Interactions_Xing2.pop_back();
           Interactions_Xing2.push_back(iterator->eventId().event());
           oldEvent = iterator->eventId().event();
         }
 
 
         oldEventId = iterator->eventId();
         oldVertexId = iterator->vertexId();
         continue;
       }
 
       }
 
     std::vector<int>::iterator viter;
     std::list<int>::iterator liter = Interactions_Xing2.begin();
 
     for(viter = BunchCrossings2.begin(); viter != BunchCrossings2.end(); ++viter, ++liter){
       //std::cout << " bcr, nint from VTX " << (*viter) << " " << (*liter) << std::endl;
       BunchCrossings.push_back((*viter));
       Interactions_Xing.push_back((*liter));
     }
   } // end of look at SimVertices
 
 
   //Now, get information on valid particles that look like they could be in the tracking volume
 
   edm::Handle<TrackingParticleCollection> mergedPH;
   edm::Handle<TrackingVertexCollection>   mergedVH;
 
   event.getByLabel(trackingTruth_, mergedPH);
   event.getByLabel(trackingTruth_, mergedVH);
 
 
   zpositions.clear();
   sumpT_lowpT.clear();
   sumpT_highpT.clear();
   ntrks_lowpT.clear();
   ntrks_highpT.clear();
   event_index_.clear();
 
   int lastEvent = 0; // zero is the true MC hard-scatter event
 
   int lastBunchCrossing = 0; // 0 is the true bunch crossing, should always come first.
 
   TrackingVertexCollection::const_iterator iVtx;
   TrackingVertexCollection::const_iterator iVtxTest = mergedVH->begin();
   TrackingParticleCollection::const_iterator iTrackTest = mergedPH->begin();
 
   int nminb_vtx = 0;
   //  bool First = true;
   //  bool flag_new = false;
 
   std::vector<int>::iterator BXIter;
   std::vector<int>::iterator InteractionsIter = Interactions_Xing.begin();
 
   // loop over the bunch crossings and interactions we have extracted 
 
   for( BXIter = BunchCrossings.begin(); BXIter != BunchCrossings.end(); ++BXIter, ++InteractionsIter) {
 
     //std::cout << "looking for BX: " << (*BXIter) << std::endl;
 
     for (iVtx = iVtxTest; iVtx != mergedVH->end(); ++iVtx) {     
 
       if(iVtx->eventId().bunchCrossing() == (*BXIter) ) { // found first vertex in this bunch crossing
 
     if(iVtx->eventId().event() != lastEvent) {
 
       //std::cout << "BX,event " << iVtx->eventId().bunchCrossing() << " " << iVtx->eventId().event() << std::endl;
 
          float zpos = 0.;
          zpos = iVtx->position().z();
          zpositions.push_back(zpos);  //save z position of each vertex
          sumpT_lowpT.push_back(0.);
          sumpT_highpT.push_back(0.);
          ntrks_lowpT.push_back(0);
          ntrks_highpT.push_back(0);
 
          lastEvent = iVtx->eventId().event();
          iVtxTest = --iVtx; // just for security
 
          // turns out events aren't sequential... save map of indices
 
          event_index_.insert(myindex::value_type(lastEvent,nminb_vtx));
          
          ++nminb_vtx;
 
          continue;
     }
       }
     }
     
     // next loop over tracks to get information
 
     for (TrackingParticleCollection::const_iterator iTrack = iTrackTest; iTrack != mergedPH->end(); ++iTrack)
       {
     bool FoundTrk = false;
 
     float zpos=0.;
 
     if(iTrack->eventId().bunchCrossing() == (*BXIter) && iTrack->eventId().event() > 0 )
       {
         FoundTrk = true;
         int correct_index = event_index_[iTrack->eventId().event()];
 
         //std::cout << " track index, correct index " << iTrack->eventId().event() << " " << correct_index << std::endl;
 
         zpos = zpositions[correct_index];
         if(iTrack->matchedHit()>0) {
           if(fabs(iTrack->parentVertex()->position().z()-zpos)<0.1) {  //make sure track really comes from this vertex
         //std::cout << *iTrack << std::endl;                                              
         float Tpx = iTrack->p4().px();
         float Tpy = iTrack->p4().py();
         float TpT = sqrt(Tpx*Tpx + Tpy*Tpy);
         if( TpT>pTcut_1_ ) {
           sumpT_lowpT[correct_index]+=TpT;
           ++ntrks_lowpT[correct_index];
         }
         if( TpT>pTcut_2_ ){
           sumpT_highpT[correct_index]+=TpT;
           ++ntrks_highpT[correct_index];
         }
           }
         }
       }
     else{
       if(FoundTrk) {
 
         iTrackTest = --iTrack;  // reset so we can start over next time
         --iTrackTest;  // just to be sure
         break;
       }
     
     }
     
       } // end of track loop
 
     // now that we have all of the track information for a given bunch crossing, 
     // make PileupSummary for this one and move on
 
     //    std::cout << "Making PSI for bunch " << lastBunchCrossing << std::endl;
 
     PileupSummaryInfo   PSI_bunch = PileupSummaryInfo(
                                   (*InteractionsIter),
                                   zpositions,
                                   sumpT_lowpT,
                                   sumpT_highpT,
                                   ntrks_lowpT,
                                   ntrks_highpT,
                                   (*BXIter)
                                   );
 
     //std::cout << " " << std::endl;
     //std::cout << "Adding Bunch Crossing, nint " << (*BXIter) << " " <<  (*InteractionsIter) << std::endl;
  
     // for(int iv = 0; iv<nminb_vtx; ++iv){
         
       //  std::cout << "Z position " << zpositions[iv] << std::endl;
       //  std::cout << "ntrks_lowpT " << ntrks_lowpT[iv] << std::endl;
       //  std::cout << "sumpT_lowpT " << sumpT_lowpT[iv] << std::endl;
       //  std::cout << "ntrks_highpT " << ntrks_highpT[iv] << std::endl;
       //  std::cout << "sumpT_highpT " << sumpT_highpT[iv] << std::endl;
       // }
 
     PSIVector->push_back(PSI_bunch);
 
     lastBunchCrossing = iVtx->eventId().bunchCrossing();
 
     event_index_.clear();
     zpositions.clear();
     sumpT_lowpT.clear();
     sumpT_highpT.clear();
     ntrks_lowpT.clear();
     ntrks_highpT.clear();
     nminb_vtx = 0;
     lastEvent=0;
 
 
   } // end of loop over bunch crossings
 
   // put our vector of PileupSummaryInfo objects into the event.
 
   event.put(PSIVector);
 
 
 }

Member Data Documentation

edm::ParameterSet PileupInformation::conf_

private

Definition at line 40 of file PileupInformation.h.

double PileupInformation::distanceCut_

private

Definition at line 53 of file PileupInformation.h.

Referenced by PileupInformation().

myindex PileupInformation::event_index_

private

Definition at line 44 of file PileupInformation.h.

Referenced by produce().

std::string PileupInformation::MessageCategory_

private

Definition at line 61 of file PileupInformation.h.

Referenced by PileupInformation().

std::vector<int> PileupInformation::ntrks_highpT

private

Definition at line 50 of file PileupInformation.h.

Referenced by produce().

std::vector<int> PileupInformation::ntrks_lowpT

private

Definition at line 49 of file PileupInformation.h.

Referenced by produce().

double PileupInformation::pTcut_1_

private

Definition at line 56 of file PileupInformation.h.

Referenced by PileupInformation(), and produce().

double PileupInformation::pTcut_2_

private

Definition at line 57 of file PileupInformation.h.

Referenced by PileupInformation(), and produce().

std::string PileupInformation::simHitLabel_

private

Definition at line 62 of file PileupInformation.h.

Referenced by PileupInformation(), and produce().

std::auto_ptr<MixCollection<SimTrack> > PileupInformation::simTracks_

private

Definition at line 63 of file PileupInformation.h.

std::auto_ptr<MixCollection<SimVertex> > PileupInformation::simVertexes_

private

Definition at line 64 of file PileupInformation.h.

Referenced by produce().

std::vector<float> PileupInformation::sumpT_highpT

private

Definition at line 48 of file PileupInformation.h.

Referenced by produce().

std::vector<float> PileupInformation::sumpT_lowpT

private

Definition at line 47 of file PileupInformation.h.

Referenced by produce().

edm::InputTag PileupInformation::trackingTruth_

private

Definition at line 59 of file PileupInformation.h.

Referenced by PileupInformation(), and produce().

double PileupInformation::volumeRadius_

private

Definition at line 54 of file PileupInformation.h.

Referenced by PileupInformation().

double PileupInformation::volumeZ_

private

Definition at line 55 of file PileupInformation.h.

Referenced by PileupInformation().

std::vector<float> PileupInformation::zpositions

private

Definition at line 46 of file PileupInformation.h.

Referenced by produce().

Public Member Functions

Private Types

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation