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// $Id: FillerStableParts.cc,v 1.16 2009/09/25 08:42:51 loizides Exp $
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#include "MitProd/TreeFiller/interface/FillerStableParts.h"
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#include "DataFormats/TrackReco/interface/Track.h"
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#include "DataFormats/TrackReco/interface/TrackFwd.h"
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#include "DataFormats/Common/interface/RefToPtr.h"
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#include "DataFormats/RecoCandidate/interface/TrackAssociation.h"
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#include "SimDataFormats/TrackingAnalysis/interface/TrackingParticle.h"
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#include "SimDataFormats/TrackingAnalysis/interface/TrackingParticleFwd.h"
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#include "MitAna/DataTree/interface/Names.h"
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#include "MitAna/DataTree/interface/StableParticleCol.h"
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#include "MitEdm/DataFormats/interface/Collections.h"
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#include "MitProd/ObjectService/interface/ObjectService.h"
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using namespace std;
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using namespace edm;
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using namespace mithep;
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//--------------------------------------------------------------------------------------------------
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FillerStableParts::FillerStableParts(const ParameterSet &cfg, const char *name, bool active) :
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BaseFiller(cfg,name,active),
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edmName_(Conf().getUntrackedParameter<string>("edmName","")),
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mitName_(Conf().getUntrackedParameter<string>("mitName","")),
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trackMapNames_(Conf().exists("trackMapNames") ?
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Conf().getUntrackedParameter<vector<string> >("trackMapNames") :
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vector<string>()),
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basePartMapName_(Conf().getUntrackedParameter<string>("basePartMap",
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Form("%sMapName",mitName_.c_str()))),
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trackPartMapName_(Conf().getUntrackedParameter<string>("trackPartMap",
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Form("%sTrackMapName",mitName_.c_str()))),
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stables_(new mithep::StableParticleArr(250)),
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basePartMap_(new mithep::BasePartMap),
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trackPartMap_(new mithep::TrackPartMap)
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{
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// Constructor.
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}
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//--------------------------------------------------------------------------------------------------
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FillerStableParts::~FillerStableParts()
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{
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// Destructor.
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delete stables_;
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delete basePartMap_;
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delete trackPartMap_;
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}
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//--------------------------------------------------------------------------------------------------
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void FillerStableParts::BookDataBlock(TreeWriter &tws)
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{
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// Add tracks branch to tree, get and publish our maps.
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tws.AddBranch(mitName_,&stables_);
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OS()->add<mithep::StableParticleArr>(stables_,mitName_);
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if (!basePartMapName_.empty()) {
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basePartMap_->SetBrName(mitName_);
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OS()->add(basePartMap_,basePartMapName_);
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}
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if (!trackPartMapName_.empty()) {
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trackPartMap_->SetBrName(mitName_);
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OS()->add(trackPartMap_,trackPartMapName_);
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}
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for (std::vector<std::string>::const_iterator tmapName = trackMapNames_.begin();
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tmapName!=trackMapNames_.end(); ++tmapName) {
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if (!tmapName->empty()) {
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const TrackMap *map = OS()->get<TrackMap>(*tmapName);
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if (map) {
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trackMaps_.push_back(map);
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AddBranchDep(mitName_,map->GetBrName());
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}
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}
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}
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}
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//--------------------------------------------------------------------------------------------------
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void FillerStableParts::FillDataBlock(const edm::Event &evt,
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const edm::EventSetup &setup)
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{
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// Fill our EDM StablePart collection into the MIT StableParticle collection.
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stables_->Delete();
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basePartMap_->Reset();
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Handle<mitedm::StablePartCol> hParts;
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GetProduct(edmName_, hParts, evt);
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const mitedm::StablePartCol *iParts = hParts.product();
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// loop through all StableParts and fill the information
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for (UInt_t i=0; i<iParts->size(); ++i) {
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const mitedm::StablePart &p = iParts->at(i);
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mitedm::BasePartPtr thePtr(hParts,i);
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mithep::StableParticle *d = stables_->Allocate();
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new (d) mithep::StableParticle(p.pid());
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basePartMap_->Add(thePtr,d);
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trackPartMap_->Add(p.trackPtr(),d);
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if (trackMaps_.size())
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d->SetTrk(GetMitTrack(p.trackPtr()));
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}
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stables_->Trim();
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}
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//--------------------------------------------------------------------------------------------------
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mithep::Track *FillerStableParts::GetMitTrack(const mitedm::TrackPtr &ptr) const
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{
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// Return our particle referenced by the edm pointer.
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mithep::Track *mitTrack = 0;
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for (std::vector<const mithep::TrackMap*>::const_iterator tmap = trackMaps_.begin();
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tmap!=trackMaps_.end(); ++tmap) {
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const mithep::TrackMap *theMap = *tmap;
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if (theMap->HasMit(ptr)) {
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mitTrack = theMap->GetMit(ptr);
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return mitTrack;
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}
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}
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if (!mitTrack)
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throw edm::Exception(edm::errors::Configuration, "FillerStableParts::FillDataBlock()\n")
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<< "Error! MITHEP Object "
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<< "not found in AssociationMaps (" << typeid(*this).name() << ")." << std::endl;
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return mitTrack;
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}
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