Inheritance diagram for TracksToTrajectories:

Public Member Functions
void	produce (edm::Event &, const edm::EventSetup &) override
	Convert a reco::TrackCollection into std::vector<Trajectory> More...

	TracksToTrajectories (const edm::ParameterSet &, const Count *)
	Constructor. More...

	~TracksToTrajectories () override
	Destructor. More...

Public Member Functions inherited from edm::stream::EDProducer< edm::GlobalCache< Count > >
	EDProducer ()=default

bool	hasAbilityToProduceInBeginLumis () const final

bool	hasAbilityToProduceInBeginRuns () const final

bool	hasAbilityToProduceInEndLumis () const final

bool	hasAbilityToProduceInEndRuns () const final

Static Public Member Functions
static void	globalEndJob (Count const *iCount)

static std::unique_ptr< Count >	initializeGlobalCache (edm::ParameterSet const &)

Private Attributes
edm::EDGetTokenT< reco::TrackCollection >	theTracksToken

std::unique_ptr< TrackTransformerBase >	theTrackTransformer

Additional Inherited Members
Public Types inherited from edm::stream::EDProducer< edm::GlobalCache< Count > >
typedef CacheContexts< T... >	CacheTypes

typedef CacheTypes::GlobalCache	GlobalCache

typedef AbilityChecker< T... >	HasAbility

typedef CacheTypes::LuminosityBlockCache	LuminosityBlockCache

typedef LuminosityBlockContextT< LuminosityBlockCache, RunCache, GlobalCache >	LuminosityBlockContext

typedef CacheTypes::LuminosityBlockSummaryCache	LuminosityBlockSummaryCache

typedef CacheTypes::RunCache	RunCache

typedef RunContextT< RunCache, GlobalCache >	RunContext

typedef CacheTypes::RunSummaryCache	RunSummaryCache

Detailed Description

This class, which is a EDProducer, takes a reco::TrackCollection from the Event and refits the rechits strored in the reco::Tracks. The final result is a std::vector of Trajectories (objs of the type "Trajectory"), which is loaded into the Event in a transient way

Author: R. Bellan - INFN Torino ricca.nosp@m.rdo..nosp@m.bella.nosp@m.n@ce.nosp@m.rn.ch

Definition at line 42 of file TracksToTrajectories.cc.

Constructor & Destructor Documentation

◆ TracksToTrajectories()

TracksToTrajectories::TracksToTrajectories	(	const edm::ParameterSet &	parameterSet,
		const Count *
	)

Constructor.

Definition at line 67 of file TracksToTrajectories.cc.

                                                                                          {
   theTracksToken = consumes<reco::TrackCollection>(parameterSet.getParameter<InputTag>("Tracks"));
  
   ParameterSet trackTransformerParam = parameterSet.getParameter<ParameterSet>("TrackTransformer");
  
   string type = parameterSet.getParameter<string>("Type");
  
   if (type == "Default")
     theTrackTransformer = std::make_unique<TrackTransformer>(trackTransformerParam);
   else if (type == "GlobalCosmicMuonsForAlignment")
     theTrackTransformer = std::make_unique<TrackTransformerForGlobalCosmicMuons>(trackTransformerParam);
   else if (type == "CosmicMuonsForAlignment")
     theTrackTransformer = std::make_unique<TrackTransformerForCosmicMuons>(trackTransformerParam);
   else {
     throw cms::Exception("TracksToTrajectories")
         << "The selected algorithm does not exist"
         << "\n"
         << "Possible choices are:"
         << "\n"
         << "Type = [Default, GlobalCosmicMuonsForAlignment, CosmicMuonsForAlignment]";
   }
  
   produces<vector<Trajectory>>("Refitted");
   produces<TrajTrackAssociationCollection>("Refitted");
 }

References Exception, edm::ParameterSet::getParameter(), and edm::parameterSet().

◆ ~TracksToTrajectories()

TracksToTrajectories::~TracksToTrajectories ( )

override

Destructor.

Definition at line 94 of file TracksToTrajectories.cc.

94 {}

Member Function Documentation

◆ globalEndJob()

void TracksToTrajectories::globalEndJob ( Count const * iCount )

static

Definition at line 96 of file TracksToTrajectories.cc.

                                                            {
   constexpr char metname[] = "Reco|TrackingTools|TracksToTrajectories";
  
   auto theNFailures = iCount->theNFailures.load();
   auto theNTracks = iCount->theNTracks.load();
  
   if (theNFailures != 0)
     LogWarning(metname) << "During the refit there were " << theNFailures << " out of " << theNTracks
                         << " tracks, i.e. failure rate is: " << double(theNFailures) / theNTracks;
   else {
     LogTrace(metname) << "Refit of the tracks done without any failure";
   }
 }

References LogTrace, metname, tracksToTrajectories::Count::theNFailures, and tracksToTrajectories::Count::theNTracks.

◆ initializeGlobalCache()

static std::unique_ptr<Count> TracksToTrajectories::initializeGlobalCache ( edm::ParameterSet const & )

inlinestatic

Definition at line 50 of file TracksToTrajectories.cc.

50 { return std::make_unique<Count>(); }

◆ produce()

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

override

Convert a reco::TrackCollection into std::vector<Trajectory>

Convert Tracks into Trajectories.

Definition at line 111 of file TracksToTrajectories.cc.

                                                                         {
 #ifdef EDM_ML_DEBUG
   constexpr char metname[] = "Reco|TrackingTools|TracksToTrajectories";
 #endif
  
   theTrackTransformer->setServices(setup);
  
   // Collection of Trajectory
   auto trajectoryCollection = std::make_unique<vector<Trajectory>>();
  
   // Get the reference
   RefProd<vector<Trajectory>> trajectoryCollectionRefProd = event.getRefBeforePut<vector<Trajectory>>("Refitted");
  
   // Get the RecTrack collection from the event
   Handle<reco::TrackCollection> tracks;
   event.getByToken(theTracksToken, tracks);
  
   // Association map between Trajectory and Track
   auto trajTrackMap = std::make_unique<TrajTrackAssociationCollection>(trajectoryCollectionRefProd, tracks);
  
   Ref<vector<Trajectory>>::key_type trajectoryIndex = 0;
   reco::TrackRef::key_type trackIndex = 0;
  
   // Loop over the Rec tracks
   for (auto const& newTrack : *tracks) {
     ++(globalCache()->theNTracks);
  
     auto const& trajectoriesSM = theTrackTransformer->transform(newTrack);
  
     if (!trajectoriesSM.empty()) {
       // Load the trajectory in the Trajectory Container
       trajectoryCollection->push_back(trajectoriesSM.front());
  
       // Make the association between the Trajectory and the original Track
       trajTrackMap->insert(Ref<vector<Trajectory>>(trajectoryCollectionRefProd, trajectoryIndex++),
                            reco::TrackRef(tracks, trackIndex++));
     } else {
       LogTrace(metname) << "Error in the Track refitting. This should not happen";
       ++(globalCache()->theNFailures);
     }
   }
   LogTrace(metname) << "Load the Trajectory Collection";
   event.put(move(trajectoryCollection), "Refitted");
   event.put(move(trajTrackMap), "Refitted");
 }

References LogTrace, metname, eostools::move(), singleTopDQM_cfi::setup, and PDWG_EXOHSCP_cff::tracks.

Member Data Documentation

◆ theTracksToken

edm::EDGetTokenT<reco::TrackCollection> TracksToTrajectories::theTracksToken

private

Definition at line 59 of file TracksToTrajectories.cc.

◆ theTrackTransformer

std::unique_ptr<TrackTransformerBase> TracksToTrajectories::theTrackTransformer