DirectMuonTrajectoryBuilder Class Reference

#include <DirectMuonTrajectoryBuilder.h>

Inheritance diagram for DirectMuonTrajectoryBuilder:

Public Member Functions
	DirectMuonTrajectoryBuilder (const edm::ParameterSet &, const MuonServiceProxy *)
	constructor More...
virtual void	setEvent (const edm::Event &event)
	pass the Event to the algo at each event More...
virtual TrajectoryContainer	trajectories (const TrajectorySeed &)
	return a container of the reconstructed trajectories compatible with a given seed More...
virtual CandidateContainer	trajectories (const TrackCand &)
	return a container reconstructed muons starting from a given track More...
virtual	~DirectMuonTrajectoryBuilder ()
	destructor More...
Public Member Functions inherited from MuonTrajectoryBuilder
	MuonTrajectoryBuilder ()
	constructor More...
virtual	~MuonTrajectoryBuilder ()
	destructor More...

Private Attributes
SeedTransformer *	theSeedTransformer
const MuonServiceProxy *	theService

Additional Inherited Members
Public Types inherited from MuonTrajectoryBuilder
typedef MuonCandidate::CandidateContainer	CandidateContainer
typedef std::pair< const Trajectory *, reco::TrackRef >	TrackCand
typedef MuonCandidate::TrajectoryContainer	TrajectoryContainer

Detailed Description

Class which takes a trajectory seed and fit its hits, returning a Trajectory container

Author

R. Bellan - INFN Torino

Class which takes a trajectory seed and fit its hits, returning a Trajectory container

Author

Definition at line 21 of file DirectMuonTrajectoryBuilder.h.

Constructor & Destructor Documentation

DirectMuonTrajectoryBuilder::DirectMuonTrajectoryBuilder	(	const edm::ParameterSet &	par,
		const MuonServiceProxy *	service
	)

constructor

Definition at line 19 of file DirectMuonTrajectoryBuilder.cc.

References edm::ParameterSet::getParameter(), and theSeedTransformer.

                                                             :theService(service){
  
  // The seed transformer (used to refit the seed and get the seed transient state)
  //  ParameterSet seedTransformerPSet = par.getParameter<ParameterSet>("SeedTransformerParameters");
  ParameterSet seedTransformerParameters = par.getParameter<ParameterSet>("SeedTransformerParameters");
  theSeedTransformer = new SeedTransformer(seedTransformerParameters);
}

DirectMuonTrajectoryBuilder::~DirectMuonTrajectoryBuilder ( )

virtual

destructor

Definition at line 28 of file DirectMuonTrajectoryBuilder.cc.

References LogTrace, and theSeedTransformer.

                                                         {

  LogTrace("Muon|RecoMuon|DirectMuonTrajectoryBuilder") 
    << "DirectMuonTrajectoryBuilder destructor called" << endl;
  
  if(theSeedTransformer) delete theSeedTransformer;
}

Member Function Documentation

void DirectMuonTrajectoryBuilder::setEvent ( const edm::Event &  event )

virtual

pass the Event to the algo at each event

Implements MuonTrajectoryBuilder.

Definition at line 136 of file DirectMuonTrajectoryBuilder.cc.

                                                               {
}

MuonTrajectoryBuilder::TrajectoryContainer DirectMuonTrajectoryBuilder::trajectories ( const TrajectorySeed &  seed )

virtual

return a container of the reconstructed trajectories compatible with a given seed

Implements MuonTrajectoryBuilder.

Definition at line 37 of file DirectMuonTrajectoryBuilder.cc.

References LogTrace, metname, SeedTransformer::seedTransform(), SeedTransformer::setServices(), theSeedTransformer, and theService.

                                                                   {
  
  // Set the services for the seed transformer
  theSeedTransformer->setServices(theService->eventSetup());

  const string metname = "Muon|RecoMuon|DirectMuonTrajectoryBuilder";
  
  MuonTrajectoryBuilder::TrajectoryContainer trajectoryContainer;
  
  vector<Trajectory> seedTrajectories = theSeedTransformer->seedTransform(seed);
  
  if(!seedTrajectories.empty())
    for(vector<Trajectory>::const_iterator trajectory = seedTrajectories.begin(); trajectory!=seedTrajectories.end(); ++trajectory)
      trajectoryContainer.push_back(new Trajectory(*trajectory));
  else LogTrace(metname) << "Seed not refitted";
    
  
  return  trajectoryContainer;


// std::pair<bool, Trajectory> 
// SETFilter::bwfit_SET(const TrajectorySeed &trajectorySeed  , 
//                const TransientTrackingRecHit::ConstRecHitContainer & trajRH,
//                const TrajectoryStateOnSurface & firstTsos) {
//   // get the actual fitter - Kalman fit
//   theService->eventSetup().get<TrajectoryFitter::Record>().get(theBWLightFitterName, theBWLightFitter);
//   vector<Trajectory> refitted;
//   Trajectory trajectory;
//   // the actual Kalman Fit
//   refitted = theBWLightFitter->fit(trajectorySeed, trajRH, firstTsos);                                  
//   if(!refitted.empty()){
//     // under tests...
//     bool applyPruning = false;
//     if(applyPruning){
//       double previousTheta = trajRH[0]->globalPosition().theta();
//       double previousWeight = 0.;
//       std::vector <double> weights(trajRH.size());
//       std::vector <double> weight_diff(trajRH.size());
//       for(unsigned int iRH = 0; iRH<trajRH.size();++iRH){
//  double weight = trajRH[iRH]->globalPosition().theta() - previousTheta;
//  weights.at(iRH)= weight;
//  double weightDiff = weight + previousWeight;
//  weight_diff.at(iRH) = weightDiff;
//  std::cout<<" iRH = "<<iRH<<" globPos"<< trajRH[iRH]->globalPosition()<<" weight = "<<weight<<" weightDiff = "<<weightDiff<<std::endl;
//  previousTheta = trajRH[iRH]->globalPosition().theta();
//  previousWeight = weight;

//       }
//       Trajectory::DataContainer measurements_segments = refitted.front().measurements();
//       if(measurements_segments.size() != trajRH.size()){
//  std::cout<<" measurements_segments.size() = "<<measurements_segments.size()<<
//    " trajRH.size() = "<<trajRH.size()<<std::endl;
//  std::cout<<" THIS IS NOT SUPPOSED TO HAPPEN! CHECK THE CODE (pruning)"<<std::endl;
//       }
//       std::vector <int> badHits;
//       TransientTrackingRecHit::ConstRecHitContainer trajRH_pruned;
//       for(unsigned int iMeas = 0; iMeas<measurements_segments.size();++iMeas){
//  // we have to apply pruning on the base of intermed. chi2 of measurements
//  // and then refit again!
//  std::cout<<" after refitter : iMeas = "<<iMeas<<"  estimate() = "<< measurements_segments[iMeas].estimate()<<
//    " globPos = "<< measurements_segments[iMeas].recHit()->globalPosition()<<std::endl;
//  //const TransientTrackingRecHit::ConstRecHitContainer trajRH_pruned;
//  bool pruningCondition = fabs(weights[iMeas])>0.0011 && fabs(weight_diff[iMeas])>0.0011;
//  std::cout<<" weights[iMeas] = "<<weights[iMeas]<<" weight_diff[iMeas] = "<<weight_diff[iMeas]<<" pruningCondition = "<<pruningCondition<<std::endl;
//  //bool pruningCondition = (measurements_segments[iMeas].estimate()>50);
//  if(iMeas && pruningCondition && measurements_segments.size() == trajRH.size()){// first is kept for technical reasons (for now)
//    badHits.push_back(iMeas);
//  }
//  else{
//    trajRH_pruned.push_back(trajRH[iMeas]);
//  }
//       }
//       if(float(measurements_segments.size())/float(badHits.size()) >0.5 &&
//   measurements_segments.size() - badHits.size() > 6){
//  std::cout<<" this is pruning ; badHits.size() = "<<badHits.size()<<std::endl;
//  refitted = theBWLightFitter->fit(trajectorySeed, trajRH_pruned, firstTsos);  
//       }
//     }
//     std::pair<bool, Trajectory> refitResult = make_pair(true,refitted.front());
//     //return RefitResult(true,refitted.front());
//     return refitResult;
//   }
//   else{
//     //    std::cout<<" refitted.empty() = "<<refitted.empty()<<std::endl;
//     std::pair<bool, Trajectory> refitResult = make_pair(false,trajectory);
//     //return RefitResult(false,trajectory);
//     return refitResult;
//   }
}

MuonTrajectoryBuilder::CandidateContainer DirectMuonTrajectoryBuilder::trajectories ( const TrackCand &  )

virtual

return a container reconstructed muons starting from a given track

Implements MuonTrajectoryBuilder.

Definition at line 129 of file DirectMuonTrajectoryBuilder.cc.

{
  return MuonTrajectoryBuilder::CandidateContainer();
}

Member Data Documentation

SeedTransformer* DirectMuonTrajectoryBuilder::theSeedTransformer

private

Definition at line 43 of file DirectMuonTrajectoryBuilder.h.

Referenced by DirectMuonTrajectoryBuilder(), trajectories(), and ~DirectMuonTrajectoryBuilder().

const MuonServiceProxy* DirectMuonTrajectoryBuilder::theService

private

Definition at line 42 of file DirectMuonTrajectoryBuilder.h.

Referenced by trajectories().