TreeFiller/src/FillerMCParticles.cc

// $Id: FillerMCParticles.cc,v 1.21 2010/03/18 20:21:00 bendavid Exp $

#include "MitProd/TreeFiller/interface/FillerMCParticles.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "DataFormats/Common/interface/Handle.h"
#include "DataFormats/Common/interface/RefToPtr.h"
#include "SimDataFormats/GeneratorProducts/interface/HepMCProduct.h"
#include "DataFormats/HepMCCandidate/interface/GenParticleFwd.h"
#include "DataFormats/HepMCCandidate/interface/GenParticle.h"
#include "DataFormats/METReco/interface/METCollection.h"
#include "SimDataFormats/Track/interface/SimTrack.h"
#include "SimDataFormats/Track/interface/SimTrackContainer.h"
#include "SimDataFormats/Vertex/interface/SimVertex.h"
#include "SimDataFormats/Vertex/interface/SimVertexContainer.h"
#include "SimDataFormats/TrackingAnalysis/interface/TrackingParticle.h"
#include "SimDataFormats/TrackingAnalysis/interface/TrackingParticleFwd.h"
#include "SimDataFormats/TrackingAnalysis/interface/TrackingVertex.h"
#include "SimDataFormats/TrackingAnalysis/interface/TrackingVertexContainer.h"
#include "DataFormats/TrackingRecHit/interface/InvalidTrackingRecHit.h"
#include "DataFormats/TrackReco/interface/HitPattern.h"
#include "MitAna/DataTree/interface/Names.h"
#include "MitAna/DataTree/interface/MCParticleCol.h"
#include "MitAna/DataTree/interface/TrackingParticleCol.h"
#include "MitProd/ObjectService/interface/ObjectService.h"

using namespace std;
using namespace edm;
using namespace mithep;

//--------------------------------------------------------------------------------------------------
FillerMCParticles::FillerMCParticles(const ParameterSet &cfg, const char *name, bool active) : 
  BaseFiller(cfg, name, active),
  genActive_(Conf().getUntrackedParameter<bool>("genActive",true)),
  useAodGen_(Conf().getUntrackedParameter<bool>("useAodGen",true)),
  simActive_(Conf().getUntrackedParameter<bool>("simActive",true)),
  trackingActive_(Conf().getUntrackedParameter<bool>("trackingActive",false)),
  fillTracking_(Conf().getUntrackedParameter<bool>("fillTracking",false)),
  genEdmName_(Conf().getUntrackedParameter<string>("genEdmName","genParticles")),
  simEdmName_(Conf().getUntrackedParameter<string>("simEdmName","g4SimHits")),
  trackingEdmName_(Conf().getUntrackedParameter<string>("trackingEdmName",
                                                        "mergedtruth:MergedTrackTruth")),
  genMapName_(Conf().getUntrackedParameter<string>("genMapName","GenMap")),
  simMapName_(Conf().getUntrackedParameter<string>("simMapName","SimMap")),
  trackingMapName_(Conf().getUntrackedParameter<string>("trackingMapName","TrackingMap")),
  mitName_(Conf().getUntrackedParameter<string>("mitName",Names::gkMCPartBrn)),
  mitTrackingName_(Conf().getUntrackedParameter<string>("mitTrackingName",Names::gkTrackingParticleBrn)),
  mcParticles_(new mithep::MCParticleArr(250)),
  trackingParticles_(new mithep::TrackingParticleArr(250)),
  genMap_(genActive_?new mithep::GenParticleBarcodeMap:0),
  aodGenMap_((genActive_&&useAodGen_)?new mithep::AODGenParticleMap:0),
  simMap_(simActive_?new mithep::SimTrackTidMap:0),
  trackingMap_(trackingActive_?new mithep::TrackingParticleMap:0)
{
  // Constructor.
}

//--------------------------------------------------------------------------------------------------
FillerMCParticles::~FillerMCParticles()
{
  // Destructor.

  delete mcParticles_;
  delete trackingParticles_;
  delete genMap_;
  delete aodGenMap_;
  delete simMap_;
  delete trackingMap_;
}

//--------------------------------------------------------------------------------------------------
void FillerMCParticles::BookDataBlock(TreeWriter &tws)
{
  // Add branch to tree and publish our maps.

  Int_t brsize = tws.GetDefaultBrSize();
  if (brsize<128*1024)
    brsize=128*1024;

  tws.AddBranch(mitName_,&mcParticles_,brsize);
  OS()->add<mithep::MCParticleArr>(mcParticles_,mitName_);

  if (trackingActive_ && fillTracking_) {
    tws.AddBranch(mitTrackingName_,&trackingParticles_,brsize);
    OS()->add<mithep::TrackingParticleArr>(trackingParticles_,mitTrackingName_);
  }
  
  if (genActive_ && !genMapName_.empty()) {
    genMap_->SetBrName(mitName_);
    if (genMap_)
      OS()->add(genMap_,genMapName_);
  }
  if (simActive_ && !simMapName_.empty()) {
    simMap_->SetBrName(mitName_);
    if (simMap_)
      OS()->add(simMap_,simMapName_);
  }
  if (trackingActive_ && !trackingMapName_.empty()) {
    trackingMap_->SetBrName(mitName_);
    if (trackingMap_)
      OS()->add(trackingMap_,trackingMapName_);
  }
}

//--------------------------------------------------------------------------------------------------
void FillerMCParticles::FillDataBlock(const edm::Event      &event, 
                                      const edm::EventSetup &setup)
{
  // Loop over generated or simulated particles and fill their information.

  mcParticles_->Delete();
  
  if (trackingActive_ && fillTracking_) {
    trackingParticles_->Delete();
  }

  if (genActive_)
    genMap_->Reset();
  
  if (genActive_ && !useAodGen_) {
    Handle<edm::HepMCProduct> hHepMCProduct;
    GetProduct(genEdmName_, hHepMCProduct, event);  
  
    const HepMC::GenEvent &GenEvent = hHepMCProduct->getHepMCData();  

    // loop over all hepmc particles and copy their information
    for (HepMC::GenEvent::particle_const_iterator pgen = GenEvent.particles_begin();
        pgen != GenEvent.particles_end(); ++pgen) {
  
      HepMC::GenParticle *mcPart = (*pgen);
      if(!mcPart) 
        continue;
  
      mithep::MCParticle *genParticle = mcParticles_->Allocate();
      new (genParticle) mithep::MCParticle(mcPart->momentum().x(),mcPart->momentum().y(),
                                           mcPart->momentum().z(),mcPart->momentum().e(),
                                           mcPart->pdg_id(),mcPart->status());
      genParticle->SetIsGenerated();                                          
      genMap_->Add(mcPart->barcode(), genParticle);
    }
  }
  
  if (genActive_ && useAodGen_) {
 
    aodGenMap_->Reset();
  
    Handle<reco::GenParticleCollection> hGenPProduct;
    GetProduct(genEdmName_, hGenPProduct, event);  
    
    // element by element aligned collection of hepmc barcodes associated to
    // the genparticles
    Handle<std::vector<int> > genBarcodes;
    if (simActive_)
      GetProduct(genEdmName_, genBarcodes, event);  
  
    const reco::GenParticleCollection genParticles = *(hGenPProduct.product());  
  
    // loop over all genparticles and copy their information
    for (reco::GenParticleCollection::const_iterator pgen = genParticles.begin();
        pgen != genParticles.end(); ++pgen) {
        
      mithep::MCParticle *mcPart = mcParticles_->Allocate();
      new (mcPart) mithep::MCParticle(pgen->px(),pgen->py(),
                                      pgen->pz(),pgen->energy(),
                                      pgen->pdgId(),pgen->status());
                                            
      mcPart->SetIsGenerated();                                          
      
      // add hepmc barcode association, needed to merge in sim particles
      if (simActive_) {
        int genBarcode = genBarcodes->at(pgen - genParticles.begin());
        genMap_->Add(genBarcode, mcPart);
      }
      
      edm::Ptr<reco::GenParticle> thePtr(hGenPProduct, pgen - genParticles.begin());
      aodGenMap_->Add(thePtr, mcPart);
    }
  }
  
  if (simActive_) {
    simMap_->Reset();

    Handle<edm::SimTrackContainer> hSimTrackProduct;
    GetProduct(simEdmName_, hSimTrackProduct, event);

    const edm::SimTrackContainer simTracks = *(hSimTrackProduct.product());

    // loop through all simParticles
    for (SimTrackContainer::const_iterator iM = simTracks.begin(); 
        iM != simTracks.end(); ++iM) {

      mithep::MCParticle *outSimParticle = 0;
      
      if (genActive_ && (iM->genpartIndex() >= 0) ) {
        outSimParticle = genMap_->GetMit(iM->genpartIndex());
        if (verbose_>1) {
          printf("Sim px,py,pz,e = %f,%f,%f,%f\nGen px,py,pz,e = %f,%f,%f,%f\n",       
                 iM->momentum().px(),iM->momentum().py(),
                 iM->momentum().pz(),iM->momentum().e(),
                 outSimParticle->Px(),outSimParticle->Py(),
                 outSimParticle->Pz(),outSimParticle->E());
        }
      } else {
        outSimParticle = mcParticles_->Allocate();
        new (outSimParticle) mithep::MCParticle(iM->momentum().px(),
                                                iM->momentum().py(),
                                                iM->momentum().pz(),
                                                iM->momentum().e(),
                                                iM->type(), -99);
      }
      
      outSimParticle->SetIsSimulated();
      simMap_->Add(iM->trackId(), outSimParticle);
    }
  }

  // loop through TrackingParticles and build association map to MCParticles
  if (trackingActive_) {
    trackingMap_->Reset();
  
    Handle<TrackingParticleCollection> hTrackingParticleProduct;
    GetProduct(trackingEdmName_, hTrackingParticleProduct, event);
    
    const TrackingParticleCollection trackingParticles = *(hTrackingParticleProduct.product());
    
    // loop through all TrackingParticles
    for (TrackingParticleCollection::const_iterator iM = trackingParticles.begin();
        iM != trackingParticles.end(); ++iM) {

      if ( simActive_ && iM->g4Tracks().size() ) {
        TrackingParticleRef theRef(hTrackingParticleProduct, iM-trackingParticles.begin());
        const SimTrack &theSimTrack = iM->g4Tracks().at(iM->g4Tracks().size()-1);
        mithep::MCParticle *outSimParticle = simMap_->GetMit(theSimTrack.trackId());
        trackingMap_->Add(theRef, outSimParticle);
        
        if (fillTracking_) {
          mithep::TrackingParticle *outTracking = trackingParticles_->AddNew();
          
          //fill associated sim tracks
          for (std::vector<SimTrack>::const_iterator iST = iM->g4Tracks().begin();
                 iST != iM->g4Tracks().end(); ++iST) {
            outTracking->AddMCPart(simMap_->GetMit(theSimTrack.trackId()));
          }
          
          //fill hit information
          reco::HitPattern hitPattern;
          int nHits = 0;
          
          //loop through sim hits and construct intermediate reco::HitPattern
          for (std::vector<PSimHit>::const_iterator iSimHit = iM->pSimHit_begin();
                iSimHit != iM->pSimHit_end(); ++iSimHit) {

            unsigned int detectorIdIndex = iSimHit->detUnitId();
            DetId detectorId = DetId(detectorIdIndex);
            
            InvalidTrackingRecHit tHit(detectorId,TrackingRecHit::valid);
          
            hitPattern.set(tHit,nHits);
            ++nHits;
          
          }

          //construct hit layer bitmask as used in bambu
          BitMask48 hits;
          // search for all good crossed layers (with or without hit)
          for (Int_t hi=0; hi<hitPattern.numberOfHits(); hi++) {
            uint32_t hit = hitPattern.getHitPattern(hi);
            if (hitPattern.getHitType(hit)<=1) {
              if (hitPattern.trackerHitFilter(hit)) {
                hits.SetBit(hitReader_.Layer(hit));
              }
            }
          }
          
          outTracking->SetHits(hits); 
          
          if (verbose_>1) {
            printf("Hit Layer Mask: ");
            for (Int_t biti=47; biti >= 0; --biti) {
                  printf("%i",hits.TestBit(biti));
            }
            printf("\n");
          }
          
        }
        
        if (verbose_>1) {
          printf("trackId = %i\n",theSimTrack.trackId());
          printf("Tracking particle has %i SimTracks\n",(int)iM->g4Tracks().size());
          if (iM->g4Tracks().size()>1) {
            for (std::vector<SimTrack>::const_iterator iST = iM->g4Tracks().begin();
                 iST != iM->g4Tracks().end(); ++iST) {
              printf("g4 trackid = %i\n",iST->trackId());
            }
          }
        }
      }
    }
  }

  mcParticles_->Trim();
}

//--------------------------------------------------------------------------------------------------
void FillerMCParticles::ResolveLinks(const edm::Event      &event, 
                                     const edm::EventSetup &setup)
{
  // Loop over generated and simulated particles and resolve their links.

  if (genActive_ && !useAodGen_) {
  
    Handle<edm::HepMCProduct> hHepMCProduct;
    GetProduct(genEdmName_, hHepMCProduct, event);
    
    const HepMC::GenEvent &GenEvent = hHepMCProduct->getHepMCData();  
  
    for (HepMC::GenEvent::particle_const_iterator pgen = GenEvent.particles_begin();
        pgen != GenEvent.particles_end(); ++pgen) {
  
      HepMC::GenParticle *mcPart = (*pgen);
      if(!mcPart) 
        continue;
      
      // check if genpart has a decay vertex
      HepMC::GenVertex *dVertex = mcPart->end_vertex();
      if (!dVertex) 
        continue;

      // find corresponding mithep genparticle parent in association table
      mithep::MCParticle *genParent = genMap_->GetMit(mcPart->barcode());
  
      // set decay vertex
      // division by 10.0 is needed due to HepMC use of mm instead of cm for distance units
      genParent->SetVertex(dVertex->point3d().x()/10.0,
                           dVertex->point3d().y()/10.0,
                           dVertex->point3d().z()/10.0);
  
      // loop through daugthers
      for (HepMC::GenVertex::particles_out_const_iterator pgenD = 
             dVertex->particles_out_const_begin(); 
           pgenD != dVertex->particles_out_const_end(); ++pgenD) {
        HepMC::GenParticle *mcDaughter = (*pgenD);
        mithep::MCParticle *genDaughter = genMap_->GetMit(mcDaughter->barcode());
        genParent->AddDaughter(genDaughter);
        if (!(genDaughter->HasMother()))
          genDaughter->SetMother(genParent);
      }
    }
  }
  
  // loop over aod GenParticle candidates and resolve their links
  if (genActive_ && useAodGen_) {
  
    Handle<reco::GenParticleCollection> hGenPProduct;
    GetProduct(genEdmName_, hGenPProduct, event);  
  
    const reco::GenParticleCollection genParticles = *(hGenPProduct.product());  
    // loop over all genparticles and copy their information
    for (reco::GenParticleCollection::const_iterator pgen = genParticles.begin();
        pgen != genParticles.end(); ++pgen) {
  
      int nDaughters = pgen->numberOfDaughters();
      if (nDaughters>0) {
        edm::Ptr<reco::GenParticle> thePtr(hGenPProduct, pgen - genParticles.begin());
        MCParticle *mcMother = aodGenMap_->GetMit(thePtr);
        for (int i=0; i<nDaughters; ++i) {
          const reco::Candidate *genDaughter = pgen->daughter(i);
          MCParticle *mcDaughter = aodGenMap_->GetMit(refToPtr(pgen->daughterRef(i)));
          // set mother decay vertex
          if (i==0)
            mcMother->SetVertex(genDaughter->vx(),genDaughter->vy(),genDaughter->vz());

          // set mother-daughter links
          mcMother->AddDaughter(mcDaughter);
          if (!mcDaughter->HasMother())
            mcDaughter->SetMother(mcMother);
        }
      }
    }
  }
  
  // loop over SimTracks and resolve links
  if (simActive_) {
    Handle<edm::SimTrackContainer> hSimTrackProduct;
    GetProduct(simEdmName_, hSimTrackProduct, event);

    const edm::SimTrackContainer simTracks = *(hSimTrackProduct.product());
   
    Handle<std::vector<SimVertex> > hSimVertexProduct;
    GetProduct(simEdmName_, hSimVertexProduct, event);

    const edm::SimVertexContainer simVertexes = *(hSimVertexProduct.product());

    // loop through all simParticles
    for (SimTrackContainer::const_iterator iM = simTracks.begin(); 
        iM != simTracks.end(); ++iM) {

      if (iM->vertIndex()>=0) {
        mithep::MCParticle *simDaughter = simMap_->GetMit(iM->trackId());
        const SimVertex &theVertex = simVertexes.at(iM->vertIndex());
        if (theVertex.parentIndex()>=0) {
          mithep::MCParticle *simParent = simMap_->GetMit(theVertex.parentIndex());
          simParent->SetVertex(theVertex.position().x(),
                               theVertex.position().y(),
                               theVertex.position().z());
          //make sure we don't double count the decay tree
          if ( !simParent->HasDaughter(simDaughter) ) {
            simParent->AddDaughter(simDaughter);
          }
          if ( !simDaughter->HasMother() ) {
            simDaughter->SetMother(simParent);
          }
        }
      }
    }
  }

  if (verbose_>1 && trackingActive_) {
    Handle<TrackingParticleCollection> hTrackingParticleProduct;
    GetProduct(trackingEdmName_, hTrackingParticleProduct, event);
    
    const TrackingParticleCollection trackingParticles = *(hTrackingParticleProduct.product());  
   
    // loop through all simParticles
    for (TrackingParticleCollection::const_iterator iM = trackingParticles.begin(); 
         iM != trackingParticles.end(); ++iM) {
      
      TrackingParticleRef theRef(hTrackingParticleProduct, iM-trackingParticles.begin());
      
      mithep::MCParticle *simParent = trackingMap_->GetMit(theRef);
      printf("MCParticle pdg = %i, Daughter Pdgs: ", simParent->PdgId());
      for (UInt_t i=0; i<simParent->NDaughters(); ++i) {
        printf("%i, ", simParent->Daughter(i)->PdgId());
      }
      printf("\n");
      
      printf("TrackingParticle pdg = %i, Daughter Pdgs: ", iM->pdgId());
      for (TrackingVertexRefVector::iterator v= iM->decayVertices().begin(); 
           v != iM->decayVertices().end(); ++v) {
        for (TrackingParticleRefVector::iterator pd = v->get()->daughterTracks().begin(); 
             pd != v->get()->daughterTracks().end(); ++pd) {
          printf("%i, ", pd->get()->pdgId());
        }
      }
      printf("\n");
    }
  }
}
Revision:	1.22
Committed:	Fri Mar 11 04:03:55 2011 UTC (14 years, 1 month ago) by bendavid
Content type:	text/plain
Branch:	MAIN
CVS Tags:	Mit_032, Mit_031, Mit_025c_branch2, Mit_025c_branch1, Mit_030, Mit_029c, Mit_029b, Mit_030_pre1, Mit_029a, Mit_029, Mit_029_pre1, Mit_028a, Mit_025c_branch0, Mit_028, Mit_027a, Mit_027, Mit_026, Mit_025e, Mit_025d, Mit_025c, Mit_025b, Mit_025a, Mit_025, Mit_025pre2, Mit_024b, Mit_025pre1, Mit_024a, Mit_024, Mit_023, Mit_022a, Mit_022, Mit_020d, TMit_020d, Mit_020c, Mit_021, Mit_021pre2, Mit_021pre1, Mit_020b, Mit_020a, Mit_020, Mit_020pre1, HEAD
Branch point for:	Mit_025c_branch
Changes since 1.21:	+2 -2 lines
Log Message:	various minor changes to acommodate new root and architecture
#	User	Rev	Content
1	bendavid	1.22	// $Id: FillerMCParticles.cc,v 1.21 2010/03/18 20:21:00 bendavid Exp $
2	bendavid	1.1
3			#include "MitProd/TreeFiller/interface/FillerMCParticles.h"
4			#include "FWCore/MessageLogger/interface/MessageLogger.h"
5			#include "DataFormats/Common/interface/Handle.h"
6	bendavid	1.8	#include "DataFormats/Common/interface/RefToPtr.h"
7	bendavid	1.16	#include "SimDataFormats/GeneratorProducts/interface/HepMCProduct.h"
8	bendavid	1.8	#include "DataFormats/HepMCCandidate/interface/GenParticleFwd.h"
9			#include "DataFormats/HepMCCandidate/interface/GenParticle.h"
10	loizides	1.15	#include "DataFormats/METReco/interface/METCollection.h"
11	bendavid	1.4	#include "SimDataFormats/Track/interface/SimTrack.h"
12			#include "SimDataFormats/Track/interface/SimTrackContainer.h"
13			#include "SimDataFormats/Vertex/interface/SimVertex.h"
14			#include "SimDataFormats/Vertex/interface/SimVertexContainer.h"
15	bendavid	1.1	#include "SimDataFormats/TrackingAnalysis/interface/TrackingParticle.h"
16			#include "SimDataFormats/TrackingAnalysis/interface/TrackingParticleFwd.h"
17			#include "SimDataFormats/TrackingAnalysis/interface/TrackingVertex.h"
18			#include "SimDataFormats/TrackingAnalysis/interface/TrackingVertexContainer.h"
19	bendavid	1.20	#include "DataFormats/TrackingRecHit/interface/InvalidTrackingRecHit.h"
20			#include "DataFormats/TrackReco/interface/HitPattern.h"
21	bendavid	1.1	#include "MitAna/DataTree/interface/Names.h"
22	loizides	1.15	#include "MitAna/DataTree/interface/MCParticleCol.h"
23	bendavid	1.20	#include "MitAna/DataTree/interface/TrackingParticleCol.h"
24	loizides	1.15	#include "MitProd/ObjectService/interface/ObjectService.h"
25	bendavid	1.1
26			using namespace std;
27			using namespace edm;
28			using namespace mithep;
29
30			//--------------------------------------------------------------------------------------------------
31			FillerMCParticles::FillerMCParticles(const ParameterSet &cfg, const char *name, bool active) :
32			BaseFiller(cfg, name, active),
33			genActive_(Conf().getUntrackedParameter<bool>("genActive",true)),
34	bendavid	1.8	useAodGen_(Conf().getUntrackedParameter<bool>("useAodGen",true)),
35	bendavid	1.1	simActive_(Conf().getUntrackedParameter<bool>("simActive",true)),
36	bendavid	1.4	trackingActive_(Conf().getUntrackedParameter<bool>("trackingActive",false)),
37	bendavid	1.20	fillTracking_(Conf().getUntrackedParameter<bool>("fillTracking",false)),
38	loizides	1.12	genEdmName_(Conf().getUntrackedParameter<string>("genEdmName","genParticles")),
39	bendavid	1.4	simEdmName_(Conf().getUntrackedParameter<string>("simEdmName","g4SimHits")),
40	loizides	1.9	trackingEdmName_(Conf().getUntrackedParameter<string>("trackingEdmName",
41			"mergedtruth:MergedTrackTruth")),
42	loizides	1.3	genMapName_(Conf().getUntrackedParameter<string>("genMapName","GenMap")),
43			simMapName_(Conf().getUntrackedParameter<string>("simMapName","SimMap")),
44	bendavid	1.4	trackingMapName_(Conf().getUntrackedParameter<string>("trackingMapName","TrackingMap")),
45	bendavid	1.1	mitName_(Conf().getUntrackedParameter<string>("mitName",Names::gkMCPartBrn)),
46	bendavid	1.20	mitTrackingName_(Conf().getUntrackedParameter<string>("mitTrackingName",Names::gkTrackingParticleBrn)),
47	bendavid	1.1	mcParticles_(new mithep::MCParticleArr(250)),
48	bendavid	1.20	trackingParticles_(new mithep::TrackingParticleArr(250)),
49	bendavid	1.8	genMap_(genActive_?new mithep::GenParticleBarcodeMap:0),
50			aodGenMap_((genActive_&&useAodGen_)?new mithep::AODGenParticleMap:0),
51			simMap_(simActive_?new mithep::SimTrackTidMap:0),
52	bendavid	1.4	trackingMap_(trackingActive_?new mithep::TrackingParticleMap:0)
53	bendavid	1.1	{
54			// Constructor.
55			}
56
57			//--------------------------------------------------------------------------------------------------
58			FillerMCParticles::~FillerMCParticles()
59			{
60			// Destructor.
61
62			delete mcParticles_;
63	bendavid	1.20	delete trackingParticles_;
64	bendavid	1.1	delete genMap_;
65	bendavid	1.8	delete aodGenMap_;
66	bendavid	1.1	delete simMap_;
67	bendavid	1.4	delete trackingMap_;
68	bendavid	1.1	}
69
70			//--------------------------------------------------------------------------------------------------
71	bendavid	1.21	void FillerMCParticles::BookDataBlock(TreeWriter &tws)
72	bendavid	1.1	{
73	loizides	1.3	// Add branch to tree and publish our maps.
74	bendavid	1.1
75	loizides	1.13	Int_t brsize = tws.GetDefaultBrSize();
76			if (brsize<128*1024)
77			brsize=128*1024;
78
79			tws.AddBranch(mitName_,&mcParticles_,brsize);
80	loizides	1.9	OS()->add<mithep::MCParticleArr>(mcParticles_,mitName_);
81	loizides	1.2
82	bendavid	1.20	if (trackingActive_ && fillTracking_) {
83			tws.AddBranch(mitTrackingName_,&trackingParticles_,brsize);
84			OS()->add<mithep::TrackingParticleArr>(trackingParticles_,mitTrackingName_);
85			}
86
87	loizides	1.9	if (genActive_ && !genMapName_.empty()) {
88			genMap_->SetBrName(mitName_);
89			if (genMap_)
90			OS()->add(genMap_,genMapName_);
91			}
92			if (simActive_ && !simMapName_.empty()) {
93			simMap_->SetBrName(mitName_);
94			if (simMap_)
95			OS()->add(simMap_,simMapName_);
96			}
97			if (trackingActive_ && !trackingMapName_.empty()) {
98			trackingMap_->SetBrName(mitName_);
99			if (trackingMap_)
100			OS()->add(trackingMap_,trackingMapName_);
101			}
102	bendavid	1.1	}
103
104			//--------------------------------------------------------------------------------------------------
105			void FillerMCParticles::FillDataBlock(const edm::Event &event,
106	loizides	1.2	const edm::EventSetup &setup)
107	bendavid	1.1	{
108	loizides	1.9	// Loop over generated or simulated particles and fill their information.
109	bendavid	1.1
110	bendavid	1.7	mcParticles_->Delete();
111	bendavid	1.20
112			if (trackingActive_ && fillTracking_) {
113			trackingParticles_->Delete();
114			}
115	bendavid	1.1
116	bendavid	1.8	if (genActive_)
117	loizides	1.3	genMap_->Reset();
118	bendavid	1.1
119	bendavid	1.8	if (genActive_ && !useAodGen_) {
120	bendavid	1.1	Handle<edm::HepMCProduct> hHepMCProduct;
121			GetProduct(genEdmName_, hHepMCProduct, event);
122
123			const HepMC::GenEvent &GenEvent = hHepMCProduct->getHepMCData();
124	loizides	1.18
125	loizides	1.9	// loop over all hepmc particles and copy their information
126	bendavid	1.1	for (HepMC::GenEvent::particle_const_iterator pgen = GenEvent.particles_begin();
127			pgen != GenEvent.particles_end(); ++pgen) {
128
129			HepMC::GenParticle mcPart = (pgen);
130	loizides	1.18	if(!mcPart)
131			continue;
132	bendavid	1.1
133			mithep::MCParticle *genParticle = mcParticles_->Allocate();
134			new (genParticle) mithep::MCParticle(mcPart->momentum().x(),mcPart->momentum().y(),
135	loizides	1.11	mcPart->momentum().z(),mcPart->momentum().e(),
136			mcPart->pdg_id(),mcPart->status());
137	bendavid	1.1	genParticle->SetIsGenerated();
138			genMap_->Add(mcPart->barcode(), genParticle);
139			}
140			}
141
142	bendavid	1.8	if (genActive_ && useAodGen_) {
143	loizides	1.9
144	bendavid	1.8	aodGenMap_->Reset();
145
146			Handle<reco::GenParticleCollection> hGenPProduct;
147			GetProduct(genEdmName_, hGenPProduct, event);
148
149	loizides	1.9	// element by element aligned collection of hepmc barcodes associated to
150			// the genparticles
151	bendavid	1.8	Handle<std::vector<int> > genBarcodes;
152			if (simActive_)
153			GetProduct(genEdmName_, genBarcodes, event);
154
155			const reco::GenParticleCollection genParticles = *(hGenPProduct.product());
156
157	loizides	1.11	// loop over all genparticles and copy their information
158	bendavid	1.8	for (reco::GenParticleCollection::const_iterator pgen = genParticles.begin();
159			pgen != genParticles.end(); ++pgen) {
160
161			mithep::MCParticle *mcPart = mcParticles_->Allocate();
162			new (mcPart) mithep::MCParticle(pgen->px(),pgen->py(),
163	loizides	1.18	pgen->pz(),pgen->energy(),
164			pgen->pdgId(),pgen->status());
165	bendavid	1.8
166			mcPart->SetIsGenerated();
167
168	loizides	1.9	// add hepmc barcode association, needed to merge in sim particles
169	bendavid	1.8	if (simActive_) {
170			int genBarcode = genBarcodes->at(pgen - genParticles.begin());
171			genMap_->Add(genBarcode, mcPart);
172			}
173
174			edm::Ptr<reco::GenParticle> thePtr(hGenPProduct, pgen - genParticles.begin());
175			aodGenMap_->Add(thePtr, mcPart);
176			}
177			}
178
179	bendavid	1.1	if (simActive_) {
180	loizides	1.3	simMap_->Reset();
181	bendavid	1.4
182			Handle<edm::SimTrackContainer> hSimTrackProduct;
183			GetProduct(simEdmName_, hSimTrackProduct, event);
184
185			const edm::SimTrackContainer simTracks = *(hSimTrackProduct.product());
186
187	bendavid	1.1	// loop through all simParticles
188	bendavid	1.4	for (SimTrackContainer::const_iterator iM = simTracks.begin();
189			iM != simTracks.end(); ++iM) {
190
191	bendavid	1.8	mithep::MCParticle *outSimParticle = 0;
192	bendavid	1.1
193	bendavid	1.4	if (genActive_ && (iM->genpartIndex() >= 0) ) {
194			outSimParticle = genMap_->GetMit(iM->genpartIndex());
195	loizides	1.9	if (verbose_>1) {
196			printf("Sim px,py,pz,e = %f,%f,%f,%f\nGen px,py,pz,e = %f,%f,%f,%f\n",
197			iM->momentum().px(),iM->momentum().py(),
198			iM->momentum().pz(),iM->momentum().e(),
199			outSimParticle->Px(),outSimParticle->Py(),
200			outSimParticle->Pz(),outSimParticle->E());
201			}
202			} else {
203	bendavid	1.1	outSimParticle = mcParticles_->Allocate();
204	bendavid	1.4	new (outSimParticle) mithep::MCParticle(iM->momentum().px(),
205			iM->momentum().py(),
206			iM->momentum().pz(),
207			iM->momentum().e(),
208	loizides	1.9	iM->type(), -99);
209	bendavid	1.1	}
210
211			outSimParticle->SetIsSimulated();
212	bendavid	1.8	simMap_->Add(iM->trackId(), outSimParticle);
213	bendavid	1.4	}
214			}
215
216	loizides	1.10	// loop through TrackingParticles and build association map to MCParticles
217	bendavid	1.4	if (trackingActive_) {
218			trackingMap_->Reset();
219
220			Handle<TrackingParticleCollection> hTrackingParticleProduct;
221			GetProduct(trackingEdmName_, hTrackingParticleProduct, event);
222
223	bendavid	1.5	const TrackingParticleCollection trackingParticles = *(hTrackingParticleProduct.product());
224	bendavid	1.4
225			// loop through all TrackingParticles
226	bendavid	1.5	for (TrackingParticleCollection::const_iterator iM = trackingParticles.begin();
227	bendavid	1.4	iM != trackingParticles.end(); ++iM) {
228
229			if ( simActive_ && iM->g4Tracks().size() ) {
230	bendavid	1.14	TrackingParticleRef theRef(hTrackingParticleProduct, iM-trackingParticles.begin());
231			const SimTrack &theSimTrack = iM->g4Tracks().at(iM->g4Tracks().size()-1);
232			mithep::MCParticle *outSimParticle = simMap_->GetMit(theSimTrack.trackId());
233			trackingMap_->Add(theRef, outSimParticle);
234	bendavid	1.20
235			if (fillTracking_) {
236			mithep::TrackingParticle *outTracking = trackingParticles_->AddNew();
237
238			//fill associated sim tracks
239			for (std::vector<SimTrack>::const_iterator iST = iM->g4Tracks().begin();
240			iST != iM->g4Tracks().end(); ++iST) {
241			outTracking->AddMCPart(simMap_->GetMit(theSimTrack.trackId()));
242			}
243
244			//fill hit information
245			reco::HitPattern hitPattern;
246			int nHits = 0;
247
248			//loop through sim hits and construct intermediate reco::HitPattern
249			for (std::vector<PSimHit>::const_iterator iSimHit = iM->pSimHit_begin();
250			iSimHit != iM->pSimHit_end(); ++iSimHit) {
251
252			unsigned int detectorIdIndex = iSimHit->detUnitId();
253			DetId detectorId = DetId(detectorIdIndex);
254
255			InvalidTrackingRecHit tHit(detectorId,TrackingRecHit::valid);
256
257			hitPattern.set(tHit,nHits);
258			++nHits;
259
260			}
261
262			//construct hit layer bitmask as used in bambu
263			BitMask48 hits;
264			// search for all good crossed layers (with or without hit)
265			for (Int_t hi=0; hi<hitPattern.numberOfHits(); hi++) {
266			uint32_t hit = hitPattern.getHitPattern(hi);
267			if (hitPattern.getHitType(hit)<=1) {
268			if (hitPattern.trackerHitFilter(hit)) {
269			hits.SetBit(hitReader_.Layer(hit));
270			}
271			}
272			}
273
274			outTracking->SetHits(hits);
275
276			if (verbose_>1) {
277			printf("Hit Layer Mask: ");
278			for (Int_t biti=47; biti >= 0; --biti) {
279			printf("%i",hits.TestBit(biti));
280			}
281			printf("\n");
282			}
283
284			}
285
286	loizides	1.9	if (verbose_>1) {
287	bendavid	1.14	printf("trackId = %i\n",theSimTrack.trackId());
288	bendavid	1.22	printf("Tracking particle has %i SimTracks\n",(int)iM->g4Tracks().size());
289	loizides	1.9	if (iM->g4Tracks().size()>1) {
290			for (std::vector<SimTrack>::const_iterator iST = iM->g4Tracks().begin();
291			iST != iM->g4Tracks().end(); ++iST) {
292			printf("g4 trackid = %i\n",iST->trackId());
293			}
294			}
295			}
296	bendavid	1.4	}
297	bendavid	1.1	}
298			}
299
300			mcParticles_->Trim();
301			}
302
303			//--------------------------------------------------------------------------------------------------
304			void FillerMCParticles::ResolveLinks(const edm::Event &event,
305	loizides	1.2	const edm::EventSetup &setup)
306	bendavid	1.1	{
307	loizides	1.9	// Loop over generated and simulated particles and resolve their links.
308	bendavid	1.1
309	bendavid	1.8	if (genActive_ && !useAodGen_) {
310	bendavid	1.1
311			Handle<edm::HepMCProduct> hHepMCProduct;
312			GetProduct(genEdmName_, hHepMCProduct, event);
313
314			const HepMC::GenEvent &GenEvent = hHepMCProduct->getHepMCData();
315
316			for (HepMC::GenEvent::particle_const_iterator pgen = GenEvent.particles_begin();
317			pgen != GenEvent.particles_end(); ++pgen) {
318
319			HepMC::GenParticle mcPart = (pgen);
320	loizides	1.18	if(!mcPart)
321			continue;
322	bendavid	1.1
323	loizides	1.11	// check if genpart has a decay vertex
324	bendavid	1.1	HepMC::GenVertex *dVertex = mcPart->end_vertex();
325	loizides	1.18	if (!dVertex)
326			continue;
327
328	loizides	1.11	// find corresponding mithep genparticle parent in association table
329	bendavid	1.1	mithep::MCParticle *genParent = genMap_->GetMit(mcPart->barcode());
330
331	loizides	1.11	// set decay vertex
332			// division by 10.0 is needed due to HepMC use of mm instead of cm for distance units
333	bendavid	1.1	genParent->SetVertex(dVertex->point3d().x()/10.0,
334	loizides	1.17	dVertex->point3d().y()/10.0,
335			dVertex->point3d().z()/10.0);
336	bendavid	1.1
337	loizides	1.11	// loop through daugthers
338	loizides	1.3	for (HepMC::GenVertex::particles_out_const_iterator pgenD =
339			dVertex->particles_out_const_begin();
340			pgenD != dVertex->particles_out_const_end(); ++pgenD) {
341	bendavid	1.1	HepMC::GenParticle mcDaughter = (pgenD);
342			mithep::MCParticle *genDaughter = genMap_->GetMit(mcDaughter->barcode());
343			genParent->AddDaughter(genDaughter);
344			if (!(genDaughter->HasMother()))
345			genDaughter->SetMother(genParent);
346			}
347			}
348			}
349
350	loizides	1.11	// loop over aod GenParticle candidates and resolve their links
351	bendavid	1.8	if (genActive_ && useAodGen_) {
352
353			Handle<reco::GenParticleCollection> hGenPProduct;
354			GetProduct(genEdmName_, hGenPProduct, event);
355
356			const reco::GenParticleCollection genParticles = *(hGenPProduct.product());
357	loizides	1.11	// loop over all genparticles and copy their information
358	bendavid	1.8	for (reco::GenParticleCollection::const_iterator pgen = genParticles.begin();
359			pgen != genParticles.end(); ++pgen) {
360
361			int nDaughters = pgen->numberOfDaughters();
362			if (nDaughters>0) {
363			edm::Ptr<reco::GenParticle> thePtr(hGenPProduct, pgen - genParticles.begin());
364			MCParticle *mcMother = aodGenMap_->GetMit(thePtr);
365			for (int i=0; i<nDaughters; ++i) {
366			const reco::Candidate *genDaughter = pgen->daughter(i);
367			MCParticle *mcDaughter = aodGenMap_->GetMit(refToPtr(pgen->daughterRef(i)));
368	loizides	1.11	// set mother decay vertex
369	bendavid	1.8	if (i==0)
370			mcMother->SetVertex(genDaughter->vx(),genDaughter->vy(),genDaughter->vz());
371	loizides	1.18
372	loizides	1.11	// set mother-daughter links
373	bendavid	1.8	mcMother->AddDaughter(mcDaughter);
374			if (!mcDaughter->HasMother())
375			mcDaughter->SetMother(mcMother);
376			}
377			}
378			}
379			}
380
381	loizides	1.11	// loop over SimTracks and resolve links
382	bendavid	1.1	if (simActive_) {
383	bendavid	1.4	Handle<edm::SimTrackContainer> hSimTrackProduct;
384			GetProduct(simEdmName_, hSimTrackProduct, event);
385
386			const edm::SimTrackContainer simTracks = *(hSimTrackProduct.product());
387
388			Handle<std::vector<SimVertex> > hSimVertexProduct;
389			GetProduct(simEdmName_, hSimVertexProduct, event);
390
391			const edm::SimVertexContainer simVertexes = *(hSimVertexProduct.product());
392
393	bendavid	1.1	// loop through all simParticles
394	bendavid	1.4	for (SimTrackContainer::const_iterator iM = simTracks.begin();
395			iM != simTracks.end(); ++iM) {
396
397			if (iM->vertIndex()>=0) {
398	bendavid	1.8	mithep::MCParticle *simDaughter = simMap_->GetMit(iM->trackId());
399	bendavid	1.4	const SimVertex &theVertex = simVertexes.at(iM->vertIndex());
400			if (theVertex.parentIndex()>=0) {
401	bendavid	1.8	mithep::MCParticle *simParent = simMap_->GetMit(theVertex.parentIndex());
402	loizides	1.9	simParent->SetVertex(theVertex.position().x(),
403			theVertex.position().y(),
404			theVertex.position().z());
405	bendavid	1.6	//make sure we don't double count the decay tree
406			if ( !simParent->HasDaughter(simDaughter) ) {
407			simParent->AddDaughter(simDaughter);
408			}
409			if ( !simDaughter->HasMother() ) {
410			simDaughter->SetMother(simParent);
411			}
412	bendavid	1.1	}
413	loizides	1.9	}
414			}
415			}
416	bendavid	1.4
417	loizides	1.9	if (verbose_>1 && trackingActive_) {
418			Handle<TrackingParticleCollection> hTrackingParticleProduct;
419			GetProduct(trackingEdmName_, hTrackingParticleProduct, event);
420
421			const TrackingParticleCollection trackingParticles = *(hTrackingParticleProduct.product());
422
423			// loop through all simParticles
424			for (TrackingParticleCollection::const_iterator iM = trackingParticles.begin();
425			iM != trackingParticles.end(); ++iM) {
426
427			TrackingParticleRef theRef(hTrackingParticleProduct, iM-trackingParticles.begin());
428
429			mithep::MCParticle *simParent = trackingMap_->GetMit(theRef);
430			printf("MCParticle pdg = %i, Daughter Pdgs: ", simParent->PdgId());
431			for (UInt_t i=0; i<simParent->NDaughters(); ++i) {
432			printf("%i, ", simParent->Daughter(i)->PdgId());
433	bendavid	1.1	}
434	loizides	1.9	printf("\n");
435
436			printf("TrackingParticle pdg = %i, Daughter Pdgs: ", iM->pdgId());
437			for (TrackingVertexRefVector::iterator v= iM->decayVertices().begin();
438			v != iM->decayVertices().end(); ++v) {
439			for (TrackingParticleRefVector::iterator pd = v->get()->daughterTracks().begin();
440			pd != v->get()->daughterTracks().end(); ++pd) {
441			printf("%i, ", pd->get()->pdgId());
442			}
443			}
444			printf("\n");
445	bendavid	1.1	}
446			}
447			}