#include <MuonRoadTrajectoryBuilder.h>

Inheritance diagram for MuonRoadTrajectoryBuilder:

Classes
class	flippingPair

class	trajectory
	for the trajectory collection More...

Public Member Functions
	MuonRoadTrajectoryBuilder (const edm::ParameterSet &par, const MeasurementTracker mt, const MagneticField f, const Propagator *p)
	constructor from PSet and things from record More...

void	setEvent (const edm::Event &) const

std::vector< Trajectory >	trajectories (const TrajectorySeed &seed) const

void	trajectories (const TrajectorySeed &seed, TrajectoryContainer &ret) const
	process the seed, in a faster manner. More...

	~MuonRoadTrajectoryBuilder ()

Public Member Functions inherited from TrajectoryBuilder
virtual void	rebuildSeedingRegion (const TrajectorySeed &, TrajectoryContainer &result) const

virtual void	unset () const

virtual	~TrajectoryBuilder ()

Private Types
typedef std::list< trajectory >	TrajectoryCollection

typedef flippingPair < TrajectoryCollection >	TrajectoryCollectionFPair

Private Member Functions
void	checkDuplicate (TrajectoryCollection &collection) const

bool	checkStep (TrajectoryCollection &collection) const

void	cleanTrajectory (Trajectory &traj) const

int	GatherHits (const TrajectoryStateOnSurface &step, const DetLayer *thislayer, TrajectoryCollectionFPair &Trajectories) const

void	makeTrajectories (const TrajectorySeed &seed, std::vector< Trajectory > &result, int version=0) const

void	makeTrajectories_0 (const TrajectorySeed &seed, std::vector< Trajectory > &result) const

void	makeTrajectories_1 (const TrajectorySeed &seed, std::vector< Trajectory > &result) const

Trajectory	smooth (Trajectory &) const

Private Attributes
bool	theBranchonfirstlayer

bool	theCarriedIPatfirstlayer

bool	theCarriedIPatfirstlayerModule

std::string	theCategory
	Info/Debug category "Muon\|RecoMuon\|MuonRoadTrajectoryBuilder". More...

bool	theDynamicMaxNumberOfHitPerModule

const MagneticField *	theField

bool	theFirstlayer

Chi2MeasurementEstimator *	theHitEstimator

unsigned int	theMaxTrajectories

std::vector< unsigned int >	theMaxTrajectoriesThreshold

const MeasurementTracker *	theMeasurementTracker

unsigned int	theMinNumberOfHitOnCandidate

unsigned int	theNumberOfHitPerModule

unsigned int	theNumberOfHitPerModuleDefault

std::vector< unsigned int >	theNumberOfHitPerModuleThreshold

bool	theOutputAllTraj

const Propagator *	thePropagator

Chi2MeasurementEstimator *	theRoadEstimator

KFTrajectorySmoother *	theSmoother

TrajectoryStateUpdator *	theUpdator

Additional Inherited Members
Public Types inherited from TrajectoryBuilder
typedef std::vector< Trajectory >	TrajectoryContainer

typedef TrajectoryContainer::iterator	TrajectoryIterator

Detailed Description

Definition at line 51 of file MuonRoadTrajectoryBuilder.h.

Member Typedef Documentation

typedef std::list< trajectory > MuonRoadTrajectoryBuilder::TrajectoryCollection

private

Definition at line 99 of file MuonRoadTrajectoryBuilder.h.

typedef flippingPair<TrajectoryCollection> MuonRoadTrajectoryBuilder::TrajectoryCollectionFPair

private

Definition at line 100 of file MuonRoadTrajectoryBuilder.h.

Constructor & Destructor Documentation

MuonRoadTrajectoryBuilder::MuonRoadTrajectoryBuilder	(	const edm::ParameterSet &	par,
		const MeasurementTracker *	mt,
		const MagneticField *	f,
		const Propagator *	p
	)

constructor from PSet and things from record

Definition at line 40 of file MuonRoadTrajectoryBuilder.cc.

References Chi2MeasurementEstimatorESProducer_cfi::Chi2MeasurementEstimator, f, edm::ParameterSet::getParameter(), KFTrajectorySmootherESProducer_cfi::KFTrajectorySmoother, AlCaHLTBitMon_ParallelJobs::p, mathSSE::sqrt(), theBranchonfirstlayer, theCarriedIPatfirstlayer, theCarriedIPatfirstlayerModule, theCategory, theDynamicMaxNumberOfHitPerModule, theField, theHitEstimator, theMaxTrajectories, theMaxTrajectoriesThreshold, theMeasurementTracker, theMinNumberOfHitOnCandidate, theNumberOfHitPerModuleDefault, theNumberOfHitPerModuleThreshold, theOutputAllTraj, thePropagator, theRoadEstimator, theSmoother, and theUpdator.

                                               :
   theRoadEstimator(0),theHitEstimator(0),theUpdator(0),theSmoother(0)
 {
 
   theMeasurementTracker = mt;
   theField = f;
   thePropagator = p;
 
   theCategory = "Muon|RecoMuon|MuonRoadTrajectoryBuilder";
 
   //get parameters from ParameterSet
 
   //propagator name to get from muon service
   //  thePropagatorName = iConfig.getParameter<std::string>("propagatorName");
 
   //chi2 estimator
   double chi2R=iConfig.getParameter<double>("maxChi2Road");
   theRoadEstimator = new Chi2MeasurementEstimator(chi2R,sqrt(chi2R));
   double chi2H=iConfig.getParameter<double>("maxChi2Hit");
   theHitEstimator = new Chi2MeasurementEstimator(chi2H,sqrt(chi2H));
 
   //trajectory updator
   theUpdator= new KFUpdator();
 
   //limit the total number of possible trajectories taken into account for a single seed
   theMaxTrajectories = iConfig.getParameter<unsigned int>("maxTrajectories");
 
   //limit the type of module considered to gather rechits
   theDynamicMaxNumberOfHitPerModule = iConfig.getParameter<bool>("dynamicMaxNumberOfHitPerModule");
   theNumberOfHitPerModuleDefault = iConfig.getParameter<unsigned int>("numberOfHitPerModule");
   theMaxTrajectoriesThreshold = iConfig.getParameter<std::vector<unsigned int> >("maxTrajectoriesThreshold");
   theNumberOfHitPerModuleThreshold = iConfig.getParameter<std::vector<unsigned int> >("numberOfHitPerModuleThreshold");
 
   //could be configurable, but not
   theBranchonfirstlayer=true;
   theCarriedIPatfirstlayer=false;
   theCarriedIPatfirstlayerModule =true;
 
   //output track candidate selection
   theMinNumberOfHitOnCandidate = iConfig.getParameter<unsigned int>("minNumberOfHitOnCandidate");
   
   //single or multiple trajectories per muon
   theOutputAllTraj = iConfig.getParameter<bool>("outputAllTraj");
 
   if (!theSmoother)
     theSmoother = new KFTrajectorySmoother(thePropagator,theUpdator,theRoadEstimator);
 }

MuonRoadTrajectoryBuilder::~MuonRoadTrajectoryBuilder ( )

Definition at line 92 of file MuonRoadTrajectoryBuilder.cc.

References theCategory, theHitEstimator, theRoadEstimator, theSmoother, and theUpdator.

 {
   edm::LogInfo(theCategory)<<"cleaning the object";
   if (theRoadEstimator) delete theRoadEstimator;
   if (theHitEstimator) delete theHitEstimator;
   if (theUpdator) delete theUpdator;
   if (theSmoother) delete theSmoother;
 }

Member Function Documentation

void MuonRoadTrajectoryBuilder::checkDuplicate ( TrajectoryCollection & collection ) const

private

Definition at line 688 of file MuonRoadTrajectoryBuilder.cc.

References LogDebug, and theCategory.

Referenced by GatherHits().

 {
   LogDebug(theCategory)<<"checking for duplicates here. list size: "<<collection.size();
 
   //loop over the trajectory list
   TrajectoryCollection::iterator traj1 = collection.begin();
   while(traj1 != collection.end())
     {
       LogDebug(theCategory)<<"";
 
       //reloop over the trajectory list from traj1
       TrajectoryCollection::iterator traj2 = traj1;
       traj2++;//advance one more
       bool traj1_removed=false;
       while( traj2 != collection.end())
     {
       if (traj2 == traj1 ) continue; //skip itself of course
 
       //need to start from the back of the list of measurment
       std::list <TrajectoryMeasurement >::reverse_iterator h1 = traj1->measurements.rbegin();
       std::list <TrajectoryMeasurement >::reverse_iterator h2 = traj2->measurements.rbegin();
           
       bool break_different = false;
       while (h1 != traj1->measurements.rend() && h2!=traj2->measurements.rend())
         {
           TransientTrackingRecHit::ConstRecHitPointer hit1 = h1->recHit();
           TransientTrackingRecHit::ConstRecHitPointer hit2 = h2->recHit();
 
           LogDebug(theCategory)<<"(hit1->geographicalId().rawId()) "<<(hit1->geographicalId().rawId())<<"(hit1->globalPosition()) "<<(hit1->globalPosition())
                    <<"(hit2->geographicalId().rawId()) "<<(hit2->geographicalId().rawId())<<"(hit2->globalPosition()) "<<(hit2->globalPosition());
 
           if (hit1 == hit2){/*those are common hits, everything's alright so far*/ h1++;h2++; continue;}
           else{break_different =true;
             
         LogDebug(theCategory)<<"list of hits are different";
             
         break;}
         }
       if (!break_different) 
         //meaning one of the list has been exhausted
         //one list if the subset of the other
         {
           LogDebug(theCategory)<<"list of hits are identical/subset. remove one of them.";
           //there is a common subset to the two list of rechits.
           //remove the one with the fewer hits (iterator that reached the end first)
           //in case they are exactly identical (both iterator reached the end at the same time), traj2 will be removed by default
           if (h1 != traj1->measurements.rend())
         {
           LogDebug(theCategory)<<"I removed traj2";
           //traj2 has been exhausted first. remove it and place the iterator on next item
           traj2=collection.erase(traj2);
         }
           else
         {
           LogDebug(theCategory)<<"I removed traj1. and decrement traj2";
           //traj1 has been exhausted first. remove it
           traj1=collection.erase(traj1);
           //and set the iterator traj1 so that next++ will set it to the correct place in the list  
           traj1_removed=true;
           break; // break the traj2 loop, advance to next traj1 item
         }
         }
       else
         {traj2++;   }
     }//loop on traj2
       if (!traj1_removed)
     {//increment only if you have remove the item at traj1
       traj1++;}
     }//loop on traj1
 }

bool MuonRoadTrajectoryBuilder::checkStep ( TrajectoryCollection & collection ) const

private

Definition at line 665 of file MuonRoadTrajectoryBuilder.cc.

References theCategory, theDynamicMaxNumberOfHitPerModule, theMaxTrajectories, theMaxTrajectoriesThreshold, theNumberOfHitPerModule, theNumberOfHitPerModuleThreshold, and trajectoryOrder().

Referenced by makeTrajectories_0().

 {
   //dynamic cut on the max number of rechit allowed on a single module
   if (theDynamicMaxNumberOfHitPerModule) {
     for (unsigned int vit = 0; vit!= theMaxTrajectoriesThreshold.size() ; vit++){
       if (collection.size() >theMaxTrajectoriesThreshold[vit]){
     theNumberOfHitPerModule= theNumberOfHitPerModuleThreshold[vit];}
       else
     break;}}
   
   //reduce the number of possible trajectories if too many
   if ( collection.size() > theMaxTrajectories) {
     //order with most hits or best chi2
     collection.sort(trajectoryOrder);
     unsigned int prevSize=collection.size();
     collection.resize(theMaxTrajectories);
     edm::LogInfo(theCategory)
       <<" too many possible trajectories ("<<prevSize
       <<"), reduce the possibilities to "<<theMaxTrajectories<<" bests.";
   }
   return true;
 }

void MuonRoadTrajectoryBuilder::cleanTrajectory ( Trajectory & traj ) const

private

Definition at line 394 of file MuonRoadTrajectoryBuilder.cc.

References GeometricSearchTracker::detLayer(), Trajectory::direction(), MeasurementTracker::geometricSearchTracker(), LogDebug, Trajectory::measurements(), Trajectory::push(), Trajectory::seed(), theCategory, and theMeasurementTracker.

Referenced by smooth().

                                                                         {
    //remove the overlapping recHits since the smoother will chock on it
    Trajectory::DataContainer meas =traj.measurements();
    
    const DetLayer* lastDetLayer =0;
    Trajectory::DataContainer::iterator mit = meas.begin();
    while (mit!=meas.end()){
      {
        const DetLayer * detLayer = theMeasurementTracker->geometricSearchTracker()->detLayer(mit->recHit()->det()->geographicalId());
        LogDebug(theCategory)<<"(mit->recHit()->det()->geographicalId().rawId()) "<<(mit->recHit()->det()->geographicalId().rawId())
                 <<"(detLayer) "<<(detLayer)<<"(lastDetLayer) "<<(lastDetLayer);
 
        if (detLayer==lastDetLayer)
      {
        mit=meas.erase(mit); //serve as mit++ too
      }
        else {mit++;}
        lastDetLayer=detLayer;
      }
      Trajectory newTraj(traj.seed(),traj.direction());
      for (Trajectory::DataContainer::iterator mit=meas.begin();mit!=meas.end();++mit)
        {newTraj.push(*mit);}
      traj=newTraj;
    }
  }

int MuonRoadTrajectoryBuilder::GatherHits	(	const TrajectoryStateOnSurface &	step,
		const DetLayer *	thislayer,
		TrajectoryCollectionFPair &	Trajectories
	)		const

private

Definition at line 459 of file MuonRoadTrajectoryBuilder.cc.

Referenced by makeTrajectories_0().

 {
   TrajectoryStateOnSurface restep;
   bool atleastoneadded=false;
   int Nhits=0;
 
   //find compatible modules
   std::vector<DetLayer::DetWithState>  compatible =thislayer->compatibleDets( step, *thePropagator , *theRoadEstimator);
   
   //loop over compatible modules
   for (std::vector< DetLayer::DetWithState > ::iterator dws = compatible.begin();dws != compatible.end();dws++)
     {
       const DetId presentdetid = dws->first->geographicalId();//get the det Id
       restep = dws->second;
 
 
     LogDebug(theCategory)<<((dws->first->components ().size()!=0) ? /*stereo layer*/"double sided layer":/*single sided*/"single sided layer")
                  <<"(presentdetid.rawId()) "<<(presentdetid.rawId());
 
       //get the rechits on this module
       TransientTrackingRecHit::ConstRecHitContainer  thoseHits = theMeasurementTracker->idToDet(presentdetid)->recHits(restep); 
       int additionalHits =0;
 
       LogDebug(theCategory)<<"(thoseHits.size()) "<<(thoseHits.size());
 
       if (thoseHits.size()>theNumberOfHitPerModule)
     { edm::LogInfo(theCategory)<<"more than "<<theNumberOfHitPerModule 
                        <<" compatible hits ("<<thoseHits.size()<<")on module "<<presentdetid.rawId()
                        <<", skip it";continue; }
 
       //loop over the rechit on the module
       for (TransientTrackingRecHit::ConstRecHitContainer::const_iterator iTThit = thoseHits.begin();iTThit != thoseHits.end(); iTThit++)
     {
       if (!(*iTThit)->isValid())/*skip*/{edm::LogInfo(theCategory)<<"rec hit not valid on module "<<presentdetid.rawId() <<". I skip it"; continue;}
 
       LogDebug(theCategory)<<((dynamic_cast<const SiStripMatchedRecHit2D *>((*iTThit)->hit())!=0) ? /*matched rechit*/ "matched rechit" : " r-phi rechit");
 
       //get the surface of the module Id
       const BoundPlane & surface = (*iTThit)->det()->surface();
 
       //estimate the consistency
       MeasurementEstimator::HitReturnType est_road = theRoadEstimator->estimate(restep,**iTThit);
 
       LogDebug(theCategory)<<"(restep.globalPosition().perp()) "<<(restep.globalPosition().perp())<<"(restep.globalPosition().mag()) "<<(restep.globalPosition().mag())
                  <<"road step parameters at module: \n"<<restep
                    << "(est_road.first) "<<(est_road.first)<<"(est_road.second) "<<(est_road.second);
 
       //check consistency
       if (est_road.first)
         { //hit and propagation are consistent : gather the hit
           Nhits++;
           additionalHits++;
           atleastoneadded=true;
           
           LogDebug(theCategory)<<"hit is consistent with road"<<"(presentdetid.rawId()) "<<(presentdetid.rawId())
                  <<"loop over previous trajectories\n"
                    <<"(Trajectories.tail().size()) "<<(Trajectories.tail().size())<<"(Trajectories.head().size()) "<<(Trajectories.head().size());
         
           //update the list of trajectory that we have with the consistent rechit.
           //loop over the existing list of trajectories and add the hit if necessary
           for ( TrajectoryCollection::iterator traj =Trajectories.head().begin();traj != Trajectories.head().end(); traj++)
         {
           //what is the previous state for this trajectory
           const TrajectoryStateOnSurface & previousState = traj->TSOS;
           if (!previousState.isValid())
             {edm::LogError(theCategory)<<"previous free state is invalid at trajectory update, this is WRONG"; continue;}
           const FreeTrajectoryState & previousFreestate = *previousState.freeState();
           
           //propagate it to the current surface
           TrajectoryStateOnSurface predictedState = thePropagator->propagate(previousFreestate,surface);
           if (!predictedState.isValid())/*skip*/{edm::LogError(theCategory)
             <<"predicted state is not valid at trajectory update, rechit surface cannot be reached by the previous updated state.";continue;}
 
           MeasurementEstimator::HitReturnType est ;
           est= theHitEstimator->estimate(predictedState,**iTThit);
 
           LogDebug(theCategory)<<"(est.first) "<<(est.first)<<"(est.second) "<<(est.second);
 
           //is the current hit consistent with the trajectory
           if (est.first )
             {
               //update the trajectory state with the rechit
               const TrajectoryStateOnSurface & updatedState = theUpdator->update(predictedState,**iTThit);
               if (!updatedState.isValid())/*skip*/{edm::LogError(theCategory)<<"updated state is not valid, this is really wrong";continue;}
 
               LogDebug(theCategory)<<"updating a previous state with a rechit";
 
               //add a combined trajectory to the new list of trajectory, starting from the existing trajecotry
               Trajectories.tail().push_back(*traj); //from existing
               trajectory & combined = (*Trajectories.tail().rbegin());
               combined.duplicate =false; //this is important
               //increment the chi2
               //combined.chi2 += est.second;
               combined.chi2 += est_road.second;//better to add the road chi2 too unbias the chi2 sum towards first hits
               //some history about the trajectory
               combined.lastmissed=false;
               combined.missedinarow=0;
               //add a new hits to the measurements
               combined.measurements.push_back(TrajectoryMeasurement(updatedState,*iTThit));
               TrajectoryMeasurement & trajMeasurement = (*combined.measurements.rbegin());
               //assigne updated state
               combined.TSOS = updatedState;
               //add trajectory measurement 
               combined.traj.push(trajMeasurement,est.second);
 
               LogDebug(theCategory)<<"(combined.traj.foundHits()) "<<(combined.traj.foundHits())
                      <<"muon measurement on previous module: \n"<<traj->TSOS
                      <<"muon measurement before update: \n"<<predictedState
                      <<"muon measurement after update: \n"<<updatedState;
 
             }//hit consistent with trajectory
           else
             {
               LogDebug(theCategory)<<"hit failed chi2 test for trajectories update\n"<<"(traj->duplicate) "<<(traj->duplicate);
 
               if (!traj->duplicate){
             Trajectories.tail().push_back(*traj);
             trajectory & copied = (*Trajectories.tail().rbegin());
             copied.missed++;
             copied.lastmissed=true;
             copied.missedinarow++;
             traj->duplicate =true; //set this trajectory to already have been copied into next step
                }//not a duplicate trajectory
             }//hit not consistent with trajectory
         }//existing trajectories loop
         }//hit is consistent with muon road
     }//rechits on module loop
       
       
       //discard previous list of trajectories
       //if something as been done of course
       if (!Trajectories.tail().empty()) 
     {
       //if this is not the first "layer" of detector, set updated trajectories as new seed trajectories
       //will branch on every single rechit uncountered for first "layer"
       if (!theFirstlayer || theBranchonfirstlayer)
         {
           LogDebug(theCategory)<<"swapping trajectory list index";
           
           //always carry on the <IP> alone state in the next list of trajectories to avoid bias from the first rechits
           if (theFirstlayer && theCarriedIPatfirstlayerModule)
         {
           LogDebug(theCategory)<<"push front <IP> to next list of trajectories";
 
           Trajectories.tail().push_front(*Trajectories.head().begin()); //[0] is <IP> always
           trajectory & pushed = *Trajectories.tail().begin();
           pushed.missed+=additionalHits;
           pushed.lastmissed = ( additionalHits!=0);
           pushed.missedinarow++;
         }
           //FIXME, there is a candidate leak at this point
           //if the IP state is carried on at first layer, without update, then it will be duplicated. this is very unlikely though
 
           Trajectories.head().clear();
 
           //swap the lists
           Trajectories.flip();
         }
     }//discard previous list of trajectories
     }//module loop
 
   
 
   //do some cleaning of the list of trajectories
   if(theFirstlayer && atleastoneadded )
     {
       theFirstlayer =false; //we are not in the first layer if something has been added
       if (!theBranchonfirstlayer)
     {
       LogDebug(theCategory)<<"swapping trajectory list index (end of first layer)";
 
       //and for consistency, you have to swap index here, because it could ahve not been done in the module loop above
       //always carry on the <IP> alone state in the next list of trajectories to avoid bias from the first rechits
       if (theCarriedIPatfirstlayer)
         {Trajectories.tail().push_front(*Trajectories.head().begin());} //[0] is <IP> always at this stage
       //FIXME, there is a candidate leak at this point
       //if the IP state is carried on at first layer, without update, then it will be duplicated. this is very unlikely though
       
       Trajectories.head().clear();
       //swap the switch
       Trajectories.flip();
     }
       else
     {
       //actually remove the <IP> from first postion of the next source of trajectories
       //since the swaping has already been done. pop up from theTrajectorysource, not !theTrajectorysource
       //only if it has been done at the first layer module though
       if (!theCarriedIPatfirstlayer && theCarriedIPatfirstlayerModule){
 
         LogDebug(theCategory)<<"pop up <IP> from trajectories";
 
         Trajectories.head().pop_front(); }
     }
 
 
       //check an remove trajectories that are subset of the other in next source
       //after the first layer only
       if (Trajectories.head().size()>=2)
     {checkDuplicate(Trajectories.head());}
 
     }  //do some cleaning of the list of trajectories
   return Nhits;
 
 }

void MuonRoadTrajectoryBuilder::makeTrajectories	(	const TrajectorySeed &	seed,
		std::vector< Trajectory > &	result,
		int	version = `0`
	)		const

private

Definition at line 143 of file MuonRoadTrajectoryBuilder.cc.

References makeTrajectories_0(), and makeTrajectories_1().

Referenced by trajectories().

144 { if (version==0) { makeTrajectories_0(seed,result);}

145 else if (version==1) { makeTrajectories_1(seed,result);}}

MuonRoadTrajectoryBuilder::makeTrajectories_0

void makeTrajectories_0(const TrajectorySeed &seed, std::vector< Trajectory > &result) const

Definition: MuonRoadTrajectoryBuilder.cc:150

query.result

tuple result

Definition: query.py:137

MuonRoadTrajectoryBuilder::makeTrajectories_1

void makeTrajectories_1(const TrajectorySeed &seed, std::vector< Trajectory > &result) const

Definition: MuonRoadTrajectoryBuilder.cc:762

BeamSplash_cfg.version

tuple version

Definition: BeamSplash_cfg.py:45

void MuonRoadTrajectoryBuilder::makeTrajectories_0	(	const TrajectorySeed &	seed,
		std::vector< Trajectory > &	result
	)		const

private

Definition at line 150 of file MuonRoadTrajectoryBuilder.cc.

References alongMomentum, checkStep(), PTrajectoryStateOnDet::detId(), TrajectoryStateOnSurface::freeState(), GatherHits(), MeasurementTracker::geometricSearchTracker(), MeasurementTracker::geomTracker(), TrajectoryStateOnSurface::globalMomentum(), TrajectoryStateOnSurface::globalPosition(), MuonRoadTrajectoryBuilder::flippingPair< A >::head(), TrackingGeometry::idToDet(), TrajectoryStateOnSurface::isValid(), LogDebug, MuonRoadTrajectoryBuilder::trajectory::measurements, GeometricSearchTracker::negTecLayers(), GeometricSearchTracker::negTidLayers(), PV3DBase< T, PVType, FrameType >::perp(), position, GeometricSearchTracker::posTecLayers(), GeometricSearchTracker::posTidLayers(), Propagator::propagate(), alignCSCRings::r, hitfit::return, smooth(), TrajectorySeed::startingState(), GeomDet::surface(), sistripsummary::TEC, theCategory, theField, theFirstlayer, theMeasurementTracker, theMinNumberOfHitOnCandidate, theNumberOfHitPerModule, theNumberOfHitPerModuleDefault, theOutputAllTraj, thePropagator, sistripsummary::TIB, GeometricSearchTracker::tibLayers(), sistripsummary::TID, sistripsummary::TOB, GeometricSearchTracker::tobLayers(), MuonRoadTrajectoryBuilder::trajectory::traj, trajectoryOrder(), trajectoryStateTransform::transientState(), MuonRoadTrajectoryBuilder::trajectory::TSOS, detailsBasic3DVector::z, and PV3DBase< T, PVType, FrameType >::z().

Referenced by makeTrajectories().

 {
   Trajectory basicTrajectory(seed,alongMomentum);
   //add the muon system measurement to the basicTrajectory
   //...no yet implemented...
 
   //get the initial state
   PTrajectoryStateOnDet   PTstart=seed.startingState();
   DetId detId(PTstart.detId());
   const BoundPlane * surface =(&theMeasurementTracker->geomTracker()->idToDet(detId)->surface());
   //start from this point
   TrajectoryStateOnSurface TSOS = trajectoryStateTransform::transientState(PTstart,surface,theField);
   if (!TSOS.isValid())/*/abort*/{ edm::LogError(theCategory)<<"TSOS from PTSOD is not valid.";return ;}
   
   LogDebug(theCategory) <<"(detId.rawId()) "<<(detId.rawId())<<"(detId.subdetId()) "<<(detId.subdetId())
             <<"(TSOS.globalPosition()) "<<(TSOS.globalPosition())
             <<"(TSOS.globalMomentum()) "<<(TSOS.globalMomentum());
  
   //initialization
   //----------------------
   //  WARNING. this is mutable 
   //  you should never remove this line
   theFirstlayer=true;
   theNumberOfHitPerModule = theNumberOfHitPerModuleDefault;
   //----------------------
   int Nhits=0;
   GlobalPoint position;
   double z=0,r=0;
   //flipping pair of list of trajectories
   TrajectoryCollectionFPair Trajectories; 
   //initialize the head() of pair of list of trajectories
   Trajectories.head().push_back(trajectory());
   trajectory & initial = *Trajectories.head().rbegin();
   initial.TSOS=TSOS;  
   initial.traj=basicTrajectory;      
   
 
 
   //get the DetLayer in the tracker
   std::vector<BarrelDetLayer*> tiblc = theMeasurementTracker->geometricSearchTracker()->tibLayers();
   std::vector<BarrelDetLayer*> toblc = theMeasurementTracker->geometricSearchTracker()->tobLayers();
   std::vector<ForwardDetLayer*> tidlc[2];
   tidlc[0]=theMeasurementTracker->geometricSearchTracker()->negTidLayers();
   tidlc[1]=theMeasurementTracker->geometricSearchTracker()->posTidLayers();
   std::vector<ForwardDetLayer*> teclc[2];
   teclc[0]=theMeasurementTracker->geometricSearchTracker()->negTecLayers();
   teclc[1]=theMeasurementTracker->geometricSearchTracker()->posTecLayers();
   const int Ntib=tiblc.size();
   const int Ntob=toblc.size();
   const int Ntid=tidlc[0].size();
 
 
   const int Ntec=teclc[0].size();
 
   LogDebug(theCategory)<<"(Ntib) "<<(Ntib)<<"(Ntob) "<<(Ntob)<<"(Ntid) "<<(Ntid)<<"(Ntec) "<<(Ntec);
 
   const SimpleDiskBounds * sdbounds=0;
 
   position = TSOS.globalPosition();
   z = position.z();
   r = position.perp();
 
   //select which part we are in
   enum PART { fault , PXB, PXF, TIB , TID , TOB , TEC};
   PART whichpart = fault;
   switch(detId.subdetId()){
   case 1: {whichpart=PXB;break;}
   case 2: {whichpart=PXF;break;}
 
   case 3: {whichpart=TIB;break;}
   case 4: {whichpart=TID;break;}
   case 5: {whichpart=TOB;break;}
   case 6: {whichpart=TEC;break;}}
 
   bool inapart=true;
   bool firstRound =true;
   int indexinpart=0;
   //loop while in a valid part of the tracker
   while(inapart){
 
       //check on the trajectory list and stuff
       if (!checkStep(Trajectories.head())) break;
       //................
 
     switch (whichpart){
 
     case fault: /*abort*/ {edm::LogError(theCategory)<<"something's wrong with the seed";return;}
     case PXB: /*abort*/ {edm::LogError(theCategory)<<"PXB no yet implemented";return;}
     case PXF: /*abort*/ {edm::LogError(theCategory)<<"PXF no yet implemented";return;}
     
       //-------------- into TIB----------------
     case TIB:{
       if (indexinpart==Ntib){/*you have reach the last layer of the TIB.let's go to the TOB*/whichpart = TOB; indexinpart=-1;break; }
 
       LogDebug(theCategory)<<"within TIB "<<indexinpart+1;
     
       //propagate to corresponding surface
       if (!firstRound) TSOS = thePropagator->propagate(*TSOS.freeState(),tiblc[indexinpart]->surface());
       if (!TSOS.isValid()) {;break;} //go to the next one 
         
       z=TSOS.globalPosition().z();
 
       //have we reached a boundary
       if (fabs(z) > fabs(tidlc[(z>0)][0]->surface().position().z())) 
     {/*z bigger than the TID min z: go to TID*/
       LogDebug(theCategory)<<"|z| ("<<z<<") bigger than the TID min z("<<tidlc[(z>0)][0]->surface().position().z()<<"): go to TID";
       whichpart = TID; indexinpart=-1; break;}
       else  {/*gather hits in the corresponding TIB layer*/ Nhits+=GatherHits(TSOS,tiblc[indexinpart],Trajectories);}
       break;}
 
       //-------------- into TID----------------
     case TID: {
       if (indexinpart==Ntid){/*you have reach the last layer of the TID. let's go to the TEC */ whichpart = TEC; indexinpart=-1; break;}
 
       LogDebug(theCategory)<<"within TID "<<indexinpart+1;
 
       //propagate to corresponding surface
       if (!firstRound) TSOS = thePropagator->propagate(*TSOS.freeState(),tidlc[(z>0)][indexinpart]->surface());
       if (!TSOS.isValid()){break;}//go to the next one 
       
       position =  TSOS.globalPosition();
       z = position.z();
       r = position.perp();
 
       sdbounds = dynamic_cast<const SimpleDiskBounds *>(&tidlc[(z>0)][indexinpart]->surface().bounds());
       if (!sdbounds)/*abort*/{edm::LogError(theCategory)<<" detlayer bounds are not SimpleDiskBounds in tid geometry";return;}
     
       //have we reached a boundary
       if (r < sdbounds->innerRadius())
     {/*radius smaller than the TID disk inner radius: next disk please*/
       LogDebug(theCategory)<<"radius ("<<r<<") smaller than the TID disk inner radius ("<<sdbounds->innerRadius()<<"): next disk please";
       break;}
       else if (r >sdbounds->outerRadius())
     {/*radius bigger than the TID disk outer radius: go to TOB*/
       LogDebug(theCategory)<<"radius ("<<r<<") bigger than the TID disk outer radius("<<sdbounds->outerRadius()<<"): go to TOB";
       whichpart = TOB; indexinpart=-1;break;}
       else  {/*gather hits in the corresponding TIB layer*/
     LogDebug(theCategory)<<"collecting hits";
     Nhits+=GatherHits(TSOS,tidlc[(z>0)][indexinpart],Trajectories);}
       break;}
 
       //-------------- into TOB----------------
     case TOB: {
       if (indexinpart==Ntob){/*you have reach the last layer of the TOB. this is an end*/ inapart=false;break;}
 
       LogDebug(theCategory)<<"within TOB "<<indexinpart+1;
     
       //propagate to corresponding surface
       if (!firstRound) TSOS = thePropagator->propagate(*TSOS.freeState(),toblc[indexinpart]->surface());
       if (!TSOS.isValid())  {break;} //go to the next one 
         
       z =  TSOS.globalPosition().z();
     
       //have we reached a boundary
       if (fabs(z) > fabs(teclc[(z>0)][0]->surface().position().z()))
     {/*z bigger than the TOB layer max z: go to TEC*/
       LogDebug(theCategory)<<"|z| ("<<z<<") bigger than the TOB layer max z ("<< teclc[(z>0)][0]->surface().position().z()<<"): go to TEC";
       whichpart = TEC; indexinpart=-1;break;}
       else {/*gather hits in the corresponding TOB layer*/Nhits+=GatherHits(TSOS,toblc[indexinpart],Trajectories);}
       break;}
 
       //-------------- into TEC----------------
     case TEC:   {
       if (indexinpart==Ntec){/*you have reach the last layer of the TEC. let's end here*/inapart=false;break;}
       
       LogDebug(theCategory)<<"within TEC "<<indexinpart+1;
       
       //propagate to corresponding TEC disk
       if (!firstRound) TSOS = thePropagator->propagate(*TSOS.freeState(),teclc[(z>0)][indexinpart]->surface());
       if (!TSOS.isValid()) {break;} //go to the next one
       
       position = TSOS.globalPosition();
       z = position.z();
       r = position.perp();
       
       sdbounds = dynamic_cast<const SimpleDiskBounds *>(&teclc[(z>0)][indexinpart]->surface().bounds());
       if (!sdbounds)/*abort*/ {edm::LogError(theCategory)<<" detlayer bounds are not SimpleDiskBounds in tec geometry";return;}
       
       //have we reached a boundary ?
       if (r < sdbounds->innerRadius())
     {/*radius smaller than the TEC disk inner radius: next disk please*/
       LogDebug(theCategory)<<"radius ("<<r<<") smaller than the TEC disk inner radius ("<<sdbounds->innerRadius()<<"): next disk please";
       break;}
       else if (r > sdbounds->outerRadius())
     {/*radius bigger than the TEC disk outer radius: I can stop here*/
       LogDebug(theCategory)<<"radius ("<<r<<") bigger than the TEC disk outer radius ("<<sdbounds->outerRadius()<<"): I can stop here";
       inapart=false;break;}
       else {/*gather hits in the corresponding TEC layer*/Nhits+=GatherHits(TSOS,teclc[(z>0)][indexinpart],Trajectories);}
       
       break;}
 
     }//switch
     indexinpart++;
     firstRound=false;
   }//while inapart
 
 
   LogDebug(theCategory)<<"propagating through layers is done";
   
   //--------------------------------------- SWIMMING DONE --------------------------------------
   //the list of trajectory has been build. let's find out which one is the best to use.
   
   edm::LogInfo(theCategory)<<"found: "
                       <<Nhits<<" hits in the road for this seed \n"
                       << Trajectories.head().size()<<" possible trajectory(ies)";
   
   if (Trajectories.head().empty()) /*abort*/{edm::LogError(theCategory)<<" no possible trajectory found"; return;}
   
   //order the list to put the best in front
   Trajectories.head().sort(trajectoryOrder);
   
   //------------------------------------OUTPUT FILL---------------------------------------------
   if (theOutputAllTraj) {
     //output all the possible trajectories found, if they have enough hits on them
     //the best is still the first
     for (TrajectoryCollection::iterator tit = Trajectories.head().begin(); tit!=Trajectories.head().end();tit++)
       {if (tit->measurements.size()>= theMinNumberOfHitOnCandidate){result.push_back(smooth(tit->traj));}}
   }
   else{
     //output only the best one
     trajectory & best = (*Trajectories.head().begin());
     if (best.measurements.size()< theMinNumberOfHitOnCandidate)/*abort*/{edm::LogError(theCategory)<<"best trajectory does not have enough ("<<best.measurements.size()<<") hits on it (<"<<theMinNumberOfHitOnCandidate<<")"; return;}
     //output only the best trajectory
     result.push_back(smooth(best.traj));}
   
   edm::LogInfo(theCategory)<<result.size()<<" trajectory(ies) output";
 }//makeTrajectories_0

void MuonRoadTrajectoryBuilder::makeTrajectories_1	(	const TrajectorySeed &	seed,
		std::vector< Trajectory > &	result
	)		const

private

Definition at line 762 of file MuonRoadTrajectoryBuilder.cc.

References alongMomentum.

Referenced by makeTrajectories().

 {
   Trajectory basicTrajectory(seed,alongMomentum);
   //add the muon system measurement to the basicTrajectory
   //...
 
 //   //build the trajectories
 //   std::vector<Trajectory> unsmoothed = theCkfbuilder->trajectories(seed);
   
 //   //smoothed them
 //   if (theOutputAllTraj) {
 //     for (std::vector<Trajectory>::iterator tit = unsmoothed.begin(); tit!=unsmoothed.end();tit++)
 //       {result.push_back(smooth(*tit));}
 //   }
 //   else{
 //     //output only the first one
 //     result.push_back(smooth(unsmoothed.front()));} 
     
 }

void MuonRoadTrajectoryBuilder::setEvent ( const edm::Event & iEvent ) const

virtual

Implements TrajectoryBuilder.

Definition at line 101 of file MuonRoadTrajectoryBuilder.cc.

References theMeasurementTracker, and MeasurementTracker::update().

                                                                       {
   theMeasurementTracker->update(iEvent);
 }

Trajectory MuonRoadTrajectoryBuilder::smooth ( Trajectory & traj ) const

private

Definition at line 440 of file MuonRoadTrajectoryBuilder.cc.

References cleanTrajectory(), run_regression::ret, sortTrajectoryMeasurements(), theCategory, and theSmoother.

Referenced by makeTrajectories_0().

                                                                     {
   
   //need to order the list of measurements on the trajectory first
   sortTrajectoryMeasurements(traj);
 
   std::vector<Trajectory> ret=theSmoother->trajectories(traj);
 
   if (ret.empty()){
     edm::LogError(theCategory)<<"smoother returns an empty vector of trajectories: try cleaning first and resmooth";
     cleanTrajectory(traj);
     ret=theSmoother->trajectories(traj);
   }
   
   if (ret.empty()){edm::LogError(theCategory)<<"smoother returns an empty vector of trajectories.";
     return traj;}
   else{return (ret.front());}
 }

std::vector< Trajectory > MuonRoadTrajectoryBuilder::trajectories ( const TrajectorySeed & seed ) const

virtual

Implements TrajectoryBuilder.

Definition at line 127 of file MuonRoadTrajectoryBuilder.cc.

References LogDebug, makeTrajectories(), query::result, and theCategory.

 {
   LogDebug(theCategory)<<"makeTrajectories START";
   
   //default output
   std::vector<Trajectory> result;
   
   //process the seed through the tracker
   makeTrajectories(seed,result);
   
   //output the result of regional tracking
   return result;
 }

void MuonRoadTrajectoryBuilder::trajectories	(	const TrajectorySeed &	seed,
		TrajectoryContainer &	ret
	)		const

virtual

process the seed, in a faster manner.

Reimplemented from TrajectoryBuilder.

Definition at line 119 of file MuonRoadTrajectoryBuilder.cc.

References LogDebug, makeTrajectories(), and theCategory.

 {
   LogDebug(theCategory)<<"makeTrajectories START";
   //process the seed through the tracker
   makeTrajectories(seed,ret);
 }

Member Data Documentation

bool MuonRoadTrajectoryBuilder::theBranchonfirstlayer

private

Definition at line 138 of file MuonRoadTrajectoryBuilder.h.

Referenced by GatherHits(), and MuonRoadTrajectoryBuilder().

bool MuonRoadTrajectoryBuilder::theCarriedIPatfirstlayer

private

Definition at line 139 of file MuonRoadTrajectoryBuilder.h.

Referenced by GatherHits(), and MuonRoadTrajectoryBuilder().

bool MuonRoadTrajectoryBuilder::theCarriedIPatfirstlayerModule

private

Definition at line 140 of file MuonRoadTrajectoryBuilder.h.

Referenced by GatherHits(), and MuonRoadTrajectoryBuilder().

std::string MuonRoadTrajectoryBuilder::theCategory

private

Info/Debug category "Muon|RecoMuon|MuonRoadTrajectoryBuilder".

Definition at line 71 of file MuonRoadTrajectoryBuilder.h.

Referenced by checkDuplicate(), checkStep(), cleanTrajectory(), GatherHits(), makeTrajectories_0(), MuonRoadTrajectoryBuilder(), smooth(), trajectories(), and ~MuonRoadTrajectoryBuilder().

bool MuonRoadTrajectoryBuilder::theDynamicMaxNumberOfHitPerModule

private

Definition at line 131 of file MuonRoadTrajectoryBuilder.h.

Referenced by checkStep(), and MuonRoadTrajectoryBuilder().

const MagneticField* MuonRoadTrajectoryBuilder::theField

private

Definition at line 167 of file MuonRoadTrajectoryBuilder.h.

Referenced by makeTrajectories_0(), and MuonRoadTrajectoryBuilder().

bool MuonRoadTrajectoryBuilder::theFirstlayer

mutableprivate

Definition at line 122 of file MuonRoadTrajectoryBuilder.h.

Referenced by GatherHits(), and makeTrajectories_0().

Chi2MeasurementEstimator* MuonRoadTrajectoryBuilder::theHitEstimator

private

Definition at line 157 of file MuonRoadTrajectoryBuilder.h.

Referenced by GatherHits(), MuonRoadTrajectoryBuilder(), and ~MuonRoadTrajectoryBuilder().

unsigned int MuonRoadTrajectoryBuilder::theMaxTrajectories

private

Definition at line 125 of file MuonRoadTrajectoryBuilder.h.

Referenced by checkStep(), and MuonRoadTrajectoryBuilder().

std::vector<unsigned int> MuonRoadTrajectoryBuilder::theMaxTrajectoriesThreshold

private

Definition at line 134 of file MuonRoadTrajectoryBuilder.h.

Referenced by checkStep(), and MuonRoadTrajectoryBuilder().

const MeasurementTracker* MuonRoadTrajectoryBuilder::theMeasurementTracker

private

Definition at line 151 of file MuonRoadTrajectoryBuilder.h.

Referenced by cleanTrajectory(), GatherHits(), makeTrajectories_0(), MuonRoadTrajectoryBuilder(), and setEvent().

unsigned int MuonRoadTrajectoryBuilder::theMinNumberOfHitOnCandidate

private

Definition at line 144 of file MuonRoadTrajectoryBuilder.h.

Referenced by makeTrajectories_0(), and MuonRoadTrajectoryBuilder().

unsigned int MuonRoadTrajectoryBuilder::theNumberOfHitPerModule

mutableprivate

Definition at line 133 of file MuonRoadTrajectoryBuilder.h.

Referenced by checkStep(), GatherHits(), and makeTrajectories_0().

unsigned int MuonRoadTrajectoryBuilder::theNumberOfHitPerModuleDefault

private

Definition at line 132 of file MuonRoadTrajectoryBuilder.h.

Referenced by makeTrajectories_0(), and MuonRoadTrajectoryBuilder().

std::vector<unsigned int> MuonRoadTrajectoryBuilder::theNumberOfHitPerModuleThreshold

private

Definition at line 135 of file MuonRoadTrajectoryBuilder.h.

Referenced by checkStep(), and MuonRoadTrajectoryBuilder().

bool MuonRoadTrajectoryBuilder::theOutputAllTraj

private

Definition at line 146 of file MuonRoadTrajectoryBuilder.h.

Referenced by makeTrajectories_0(), and MuonRoadTrajectoryBuilder().

const Propagator* MuonRoadTrajectoryBuilder::thePropagator

private

Definition at line 170 of file MuonRoadTrajectoryBuilder.h.

Referenced by GatherHits(), makeTrajectories_0(), and MuonRoadTrajectoryBuilder().

Chi2MeasurementEstimator* MuonRoadTrajectoryBuilder::theRoadEstimator

private

Definition at line 155 of file MuonRoadTrajectoryBuilder.h.

Referenced by GatherHits(), MuonRoadTrajectoryBuilder(), and ~MuonRoadTrajectoryBuilder().

KFTrajectorySmoother* MuonRoadTrajectoryBuilder::theSmoother

private

Definition at line 161 of file MuonRoadTrajectoryBuilder.h.

Referenced by MuonRoadTrajectoryBuilder(), smooth(), and ~MuonRoadTrajectoryBuilder().

TrajectoryStateUpdator* MuonRoadTrajectoryBuilder::theUpdator

private

Definition at line 159 of file MuonRoadTrajectoryBuilder.h.

Referenced by GatherHits(), MuonRoadTrajectoryBuilder(), and ~MuonRoadTrajectoryBuilder().

Classes

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