#include <CkfTrackCandidateMakerBase.h>

Inheritance diagram for cms::CkfTrackCandidateMakerBase:

Public Member Functions
virtual void	beginRunBase (edm::Run const &, edm::EventSetup const &es)

	CkfTrackCandidateMakerBase (const edm::ParameterSet &conf, edm::ConsumesCollector &&iC)

virtual void	produceBase (edm::Event &e, const edm::EventSetup &es)

virtual	~CkfTrackCandidateMakerBase ()(false)

Protected Types
typedef edm::ContainerMask< edmNew::DetSetVector< Phase2TrackerCluster1D > >	Phase2OTClusterMask

typedef edm::ContainerMask< edmNew::DetSetVector< SiPixelCluster > >	PixelClusterMask

typedef edm::ContainerMask< edmNew::DetSetVector< SiStripCluster > >	StripClusterMask

Protected Member Functions
virtual void	countSeedsDebugger ()

virtual void	deleteAssocDebugger ()

virtual TrajectorySeedCollection::const_iterator	lastSeed (TrajectorySeedCollection const &theSeedColl)

virtual void	printHitsDebugger (edm::Event &e)

Protected Attributes
bool	cleanTrajectoryAfterInOut

bool	doSeedingRegionRebuilding

edm::EDGetTokenT< Phase2OTClusterMask >	maskPhase2OTs_

edm::EDGetTokenT< PixelClusterMask >	maskPixels_

edm::EDGetTokenT< StripClusterMask >	maskStrips_

unsigned int	maxSeedsBeforeCleaning_

bool	phase2skipClusters_

bool	produceSeedStopReasons_

bool	reverseTrajectories

bool	skipClusters_

edm::ESHandle< GeometricSearchTracker >	theGeomSearchTracker

std::unique_ptr< TransientInitialStateEstimator >	theInitialState

edm::ESHandle< MagneticField >	theMagField

const std::string	theMagFieldName

unsigned int	theMaxNSeeds

edm::EDGetTokenT< MeasurementTrackerEvent >	theMTELabel

const NavigationSchool *	theNavigationSchool

std::string	theNavigationSchoolName

std::unique_ptr< RedundantSeedCleaner >	theSeedCleaner

edm::EDGetTokenT< edm::View< TrajectorySeed > >	theSeedLabel

bool	theTrackCandidateOutput

std::unique_ptr< BaseCkfTrajectoryBuilder >	theTrajectoryBuilder

const TrajectoryCleaner *	theTrajectoryCleaner

std::string	theTrajectoryCleanerName

bool	theTrajectoryOutput

bool	useSplitting

Private Member Functions
void	setEventSetup (const edm::EventSetup &es)
	Initialize EventSetup objects at each event. More...

Detailed Description

Definition at line 34 of file CkfTrackCandidateMakerBase.h.

Member Typedef Documentation

typedef edm::ContainerMask<edmNew::DetSetVector<Phase2TrackerCluster1D> > cms::CkfTrackCandidateMakerBase::Phase2OTClusterMask

protected

Definition at line 80 of file CkfTrackCandidateMakerBase.h.

typedef edm::ContainerMask<edmNew::DetSetVector<SiPixelCluster> > cms::CkfTrackCandidateMakerBase::PixelClusterMask

protected

Definition at line 78 of file CkfTrackCandidateMakerBase.h.

typedef edm::ContainerMask<edmNew::DetSetVector<SiStripCluster> > cms::CkfTrackCandidateMakerBase::StripClusterMask

protected

Definition at line 79 of file CkfTrackCandidateMakerBase.h.

Constructor & Destructor Documentation

cms::CkfTrackCandidateMakerBase::CkfTrackCandidateMakerBase	(	const edm::ParameterSet &	conf,
		edm::ConsumesCollector &&	iC
	)

explicit

Definition at line 60 of file CkfTrackCandidateMakerBase.cc.

References gather_cfg::cout, Exception, edm::ParameterSet::exists(), edm::ParameterSet::existsAs(), edm::ParameterSet::getParameter(), maskPhase2OTs_, maskPixels_, maskStrips_, maxSeedsBeforeCleaning_, HLT_FULL_cff::numHitsForSeedCleaner, phase2skipClusters_, skipClusters_, AlCaHLTBitMon_QueryRunRegistry::string, theSeedCleaner, and theSeedLabel.

       : theTrackCandidateOutput(true),
         theTrajectoryOutput(false),
         useSplitting(conf.getParameter<bool>("useHitsSplitting")),
         doSeedingRegionRebuilding(conf.getParameter<bool>("doSeedingRegionRebuilding")),
         cleanTrajectoryAfterInOut(conf.getParameter<bool>("cleanTrajectoryAfterInOut")),
         reverseTrajectories(conf.existsAs<bool>("reverseTrajectories") &&
                             conf.getParameter<bool>("reverseTrajectories")),
         theMaxNSeeds(conf.getParameter<unsigned int>("maxNSeeds")),
         theTrajectoryBuilder(
             createBaseCkfTrajectoryBuilder(conf.getParameter<edm::ParameterSet>("TrajectoryBuilderPSet"), iC)),
         theTrajectoryCleanerName(conf.getParameter<std::string>("TrajectoryCleaner")),
         theTrajectoryCleaner(nullptr),
         theInitialState(std::make_unique<TransientInitialStateEstimator>(
             conf.getParameter<ParameterSet>("TransientInitialStateEstimatorParameters"))),
         theMagFieldName(conf.exists("SimpleMagneticField") ? conf.getParameter<std::string>("SimpleMagneticField")
                                                            : ""),
         theNavigationSchoolName(conf.getParameter<std::string>("NavigationSchool")),
         theNavigationSchool(nullptr),
         maxSeedsBeforeCleaning_(0),
         theMTELabel(iC.consumes<MeasurementTrackerEvent>(conf.getParameter<edm::InputTag>("MeasurementTrackerEvent"))),
         skipClusters_(false),
         phase2skipClusters_(false) {
     theSeedLabel = iC.consumes<edm::View<TrajectorySeed>>(conf.getParameter<edm::InputTag>("src"));
 #ifndef VI_REPRODUCIBLE
     if (conf.exists("maxSeedsBeforeCleaning"))
       maxSeedsBeforeCleaning_ = conf.getParameter<unsigned int>("maxSeedsBeforeCleaning");
 #endif
     if (conf.existsAs<edm::InputTag>("clustersToSkip")) {
       skipClusters_ = true;
       maskPixels_ = iC.consumes<PixelClusterMask>(conf.getParameter<edm::InputTag>("clustersToSkip"));
       maskStrips_ = iC.consumes<StripClusterMask>(conf.getParameter<edm::InputTag>("clustersToSkip"));
     }
     //FIXME:: just temporary solution for phase2!
     if (conf.existsAs<edm::InputTag>("phase2clustersToSkip")) {
       phase2skipClusters_ = true;
       maskPixels_ = iC.consumes<PixelClusterMask>(conf.getParameter<edm::InputTag>("phase2clustersToSkip"));
       maskPhase2OTs_ = iC.consumes<Phase2OTClusterMask>(conf.getParameter<edm::InputTag>("phase2clustersToSkip"));
     }
 #ifndef VI_REPRODUCIBLE
     std::string cleaner = conf.getParameter<std::string>("RedundantSeedCleaner");
     if (cleaner == "CachingSeedCleanerBySharedInput") {
       int numHitsForSeedCleaner =
           conf.existsAs<int>("numHitsForSeedCleaner") ? conf.getParameter<int>("numHitsForSeedCleaner") : 4;
       int onlyPixelHits = conf.existsAs<bool>("onlyPixelHitsForSeedCleaner")
                               ? conf.getParameter<bool>("onlyPixelHitsForSeedCleaner")
                               : false;
       theSeedCleaner = std::make_unique<CachingSeedCleanerBySharedInput>(numHitsForSeedCleaner, onlyPixelHits);
     } else if (cleaner != "none") {
       throw cms::Exception("RedundantSeedCleaner not found, please use CachingSeedCleanerBySharedInput ro none",
                            cleaner);
     }
 #endif
 
 #ifdef VI_REPRODUCIBLE
     std::cout << "CkfTrackCandidateMaker in reproducible setting" << std::endl;
     assert(nullptr == theSeedCleaner);
     assert(0 >= maxSeedsBeforeCleaning_);
 #endif
   }

cms::CkfTrackCandidateMakerBase::~CkfTrackCandidateMakerBase ( )

virtual

Definition at line 122 of file CkfTrackCandidateMakerBase.cc.

122 {}

Member Function Documentation

void cms::CkfTrackCandidateMakerBase::beginRunBase	(	edm::Run const &	r,
		edm::EventSetup const &	es
	)

virtual

Definition at line 124 of file CkfTrackCandidateMakerBase.cc.

Referenced by cms::CkfDebugTrackCandidateMaker::beginRun().

124 { /* no op*/

125 }

virtual void cms::CkfTrackCandidateMakerBase::countSeedsDebugger ( )

inlineprotectedvirtual

Reimplemented in cms::CkfDebugTrackCandidateMaker.

Definition at line 90 of file CkfTrackCandidateMakerBase.h.

Referenced by produceBase().

90 { ; }

virtual void cms::CkfTrackCandidateMakerBase::deleteAssocDebugger ( )

inlineprotectedvirtual

Reimplemented in cms::CkfDebugTrackCandidateMaker.

Definition at line 91 of file CkfTrackCandidateMakerBase.h.

References setEventSetup().

Referenced by produceBase().

91 { ; }

virtual TrajectorySeedCollection::const_iterator cms::CkfTrackCandidateMakerBase::lastSeed ( TrajectorySeedCollection const & theSeedColl )

inlineprotectedvirtual

Reimplemented in cms::CkfDebugTrackCandidateMaker.

Definition at line 86 of file CkfTrackCandidateMakerBase.h.

                                                                                                          {
       return theSeedColl.end();
     }

virtual void cms::CkfTrackCandidateMakerBase::printHitsDebugger ( edm::Event & e )

inlineprotectedvirtual

Reimplemented in cms::CkfDebugTrackCandidateMaker.

Definition at line 89 of file CkfTrackCandidateMakerBase.h.

Referenced by produceBase().

89 { ; }

void cms::CkfTrackCandidateMakerBase::produceBase	(	edm::Event &	e,
		const edm::EventSetup &	es
	)

virtual

Definition at line 145 of file CkfTrackCandidateMakerBase.cc.

References a, alongMomentum, b, TrajectoryCleaner::clean(), cleanTrajectoryAfterInOut, countSeedsDebugger(), data, deleteAssocDebugger(), TrackingRecHit::det(), doSeedingRegionRebuilding, PrintoutHelper::dumpCandidates(), runEdmFileComparison::failed, FINAL_CLEAN, Trajectory::foundHits(), edm::OwnVector< T, P >::front(), edm::EventSetup::get(), edm::Event::getByToken(), hfClusterShapes_cfi::hits, mps_fire::i, cuy::ii, edm::isNotFinite(), TrajectoryStateOnSurface::isValid(), Trajectory::isValid(), dqmiolumiharvest::j, edm::RefToBase< T >::key(), CommonMethods::lock(), LogDebug, LogTrace, maskPhase2OTs_, maskPixels_, maskStrips_, maxSeedsBeforeCleaning_, eostools::move(), mutex, NO_TRAJECTORY, NOT_STOPPED, oppositeToMomentum, convertSQLitetoXML_cfg::output, trajectoryStateTransform::persistentState(), phase2skipClusters_, Trajectory::pop(), printHitsDebugger(), Propagator::propagate(), Trajectory::push(), edm::OwnVector< T, P >::push_back(), edm::Event::put(), TrackingRecHit::rawId(), FastTrackerRecHitMaskProducer_cfi::recHits, PrintoutHelper::regressionTest(), Trajectory::reserve(), reverseTrajectories, SurveyInfoScenario_cff::seed, SEED_CLEANING, SEED_REGION_REBUILD, Trajectory::seedRef(), setEventSetup(), Trajectory::setNLoops(), Trajectory::setSeedRef(), Trajectory::setStopReason(), edm::OwnVector< T, P >::size(), skipClusters_, SMOOTHING_FAILED, GeomDet::surface(), theInitialState, theMaxNSeeds, theMTELabel, theSeedCleaner, theSeedLabel, theTrackCandidateOutput, theTrajectoryBuilder, theTrajectoryCleaner, theTrajectoryOutput, PbPb_ZMuSkimMuonDPG_cff::tracker, mitigatedMETSequence_cff::U, useSplitting, and heppy_batch::val.

Referenced by cms::CkfDebugTrackCandidateMaker::produce().

                                                                                    {
     // getting objects from the EventSetup
     setEventSetup(es);
 
     // set the correct navigation
     // NavigationSetter setter( *theNavigationSchool);
 
     // propagator
     edm::ESHandle<Propagator> thePropagator;
     es.get<TrackingComponentsRecord>().get("AnyDirectionAnalyticalPropagator", thePropagator);
 
     // method for Debugging
     printHitsDebugger(e);
 
     // Step A: set Event for the TrajectoryBuilder
     edm::Handle<MeasurementTrackerEvent> data;
     e.getByToken(theMTELabel, data);
 
     std::unique_ptr<MeasurementTrackerEvent> dataWithMasks;
     if (skipClusters_) {
       edm::Handle<PixelClusterMask> pixelMask;
       e.getByToken(maskPixels_, pixelMask);
       edm::Handle<StripClusterMask> stripMask;
       e.getByToken(maskStrips_, stripMask);
       dataWithMasks = std::make_unique<MeasurementTrackerEvent>(*data, *stripMask, *pixelMask);
       //std::cout << "Trajectory builder " << conf_.getParameter<std::string>("@module_label") << " created with masks " << std::endl;
       theTrajectoryBuilder->setEvent(e, es, &*dataWithMasks);
     } else if (phase2skipClusters_) {
       //FIXME:just temporary solution for phase2!
       edm::Handle<PixelClusterMask> pixelMask;
       e.getByToken(maskPixels_, pixelMask);
       edm::Handle<Phase2OTClusterMask> phase2OTMask;
       e.getByToken(maskPhase2OTs_, phase2OTMask);
       dataWithMasks = std::make_unique<MeasurementTrackerEvent>(*data, *pixelMask, *phase2OTMask);
       //std::cout << "Trajectory builder " << conf_.getParameter<std::string>("@module_label") << " created with phase2 masks " << std::endl;
       theTrajectoryBuilder->setEvent(e, es, &*dataWithMasks);
     } else {
       //std::cout << "Trajectory builder " << conf_.getParameter<std::string>("@module_label") << " created without masks " << std::endl;
       theTrajectoryBuilder->setEvent(e, es, &*data);
     }
     // TISE ES must be set here due to dependence on theTrajectoryBuilder
     theInitialState->setEventSetup(
         es, static_cast<TkTransientTrackingRecHitBuilder const*>(theTrajectoryBuilder->hitBuilder())->cloner());
 
     // Step B: Retrieve seeds
 
     edm::Handle<View<TrajectorySeed>> collseed;
     e.getByToken(theSeedLabel, collseed);
 
     // Step C: Create empty output collection
     auto output = std::make_unique<TrackCandidateCollection>();
     auto outputT = std::make_unique<std::vector<Trajectory>>();
     auto outputSeedStopInfos = std::make_unique<std::vector<SeedStopInfo>>(collseed->size());
 
     if ((*collseed).size() > theMaxNSeeds) {
       LogError("TooManySeeds") << "Exceeded maximum numeber of seeds! theMaxNSeeds=" << theMaxNSeeds
                                << " nSeed=" << (*collseed).size();
       if (theTrackCandidateOutput) {
         e.put(std::move(output));
       }
       if (theTrajectoryOutput) {
         e.put(std::move(outputT));
       }
       e.put(std::move(outputSeedStopInfos));
       return;
     }
 
     // Step D: Invoke the building algorithm
     if (!(*collseed).empty()) {
       unsigned int lastCleanResult = 0;
       std::vector<Trajectory> rawResult;
       rawResult.reserve(collseed->size() * 4);
 
       if (theSeedCleaner)
         theSeedCleaner->init(&rawResult);
 
       // method for debugging
       countSeedsDebugger();
 
       // the mutex
       std::mutex theMutex;
       using Lock = std::unique_lock<std::mutex>;
 
       // Loop over seeds
       size_t collseed_size = collseed->size();
 
       unsigned int indeces[collseed_size];
       for (auto i = 0U; i < collseed_size; ++i)
         indeces[i] = i;
 
 #ifdef VI_SORTSEED
       // std::random_shuffle(indeces,indeces+collseed_size);
 
       // here only for reference: does not seems to help
 
       auto const& seeds = *collseed;
 
       float val[collseed_size];
       for (auto i = 0U; i < collseed_size; ++i) {
         val[i] = seeds[i].startingState().pt();
       };
       //  { val[i] =  std::abs((*seeds[i].recHits().first).surface()->eta());}
 
       /*
       unsigned long long val[collseed_size];
       for (auto i=0U; i< collseed_size; ++i) {
         if (seeds[i].nHits()<2) { val[i]=0; continue;}
         auto h = seeds[i].recHits().first;
         auto const & hit = static_cast<BaseTrackerRecHit const&>(*h);
         val[i] = hit.firstClusterRef().key();
         if (++h != seeds[i].recHits().second) {
           auto  const & hit = static_cast<BaseTrackerRecHit const&>(*h);
           val[i] |= (unsigned long long)(hit.firstClusterRef().key())<<32;
         }
       }
       */
       std::sort(indeces, indeces + collseed_size, [&](unsigned int i, unsigned int j) { return val[i] < val[j]; });
 
       // std::cout << spt(indeces[0]) << ' ' << spt(indeces[collseed_size-1]) << std::endl;
 #endif
 
       std::atomic<unsigned int> ntseed(0);
       auto theLoop = [&](size_t ii) {
         auto j = indeces[ii];
 
         ntseed++;
 
         // to be moved inside a par section (how with tbb??)
         std::vector<Trajectory> theTmpTrajectories;
 
         LogDebug("CkfPattern") << "======== Begin to look for trajectories from seed " << j << " ========\n";
 
         {
           Lock lock(theMutex);
           // Check if seed hits already used by another track
           if (theSeedCleaner && !theSeedCleaner->good(&((*collseed)[j]))) {
             LogDebug("CkfTrackCandidateMakerBase") << " Seed cleaning kills seed " << j;
             (*outputSeedStopInfos)[j].setStopReason(SeedStopReason::SEED_CLEANING);
             return;  // from the lambda!
           }
         }
 
         // Build trajectory from seed outwards
         theTmpTrajectories.clear();
         unsigned int nCandPerSeed = 0;
         auto const& startTraj =
             theTrajectoryBuilder->buildTrajectories((*collseed)[j], theTmpTrajectories, nCandPerSeed, nullptr);
         {
           Lock lock(theMutex);
           (*outputSeedStopInfos)[j].setCandidatesPerSeed(nCandPerSeed);
           if (theTmpTrajectories.empty()) {
             (*outputSeedStopInfos)[j].setStopReason(SeedStopReason::NO_TRAJECTORY);
             return;  // from the lambda!
           }
         }
 
         LogDebug("CkfPattern") << "======== In-out trajectory building found " << theTmpTrajectories.size()
                                << " trajectories from seed " << j << " ========\n"
                                << PrintoutHelper::dumpCandidates(theTmpTrajectories);
 
         if (cleanTrajectoryAfterInOut) {
           // Select the best trajectory from this seed (declare others invalid)
           theTrajectoryCleaner->clean(theTmpTrajectories);
 
           LogDebug("CkfPattern") << "======== In-out trajectory cleaning gave the following "
                                  << theTmpTrajectories.size() << " valid trajectories from seed " << j << " ========\n"
                                  << PrintoutHelper::dumpCandidates(theTmpTrajectories);
         }
 
         // Optionally continue building trajectory back through
         // seed and if possible further inwards.
 
         if (doSeedingRegionRebuilding) {
           theTrajectoryBuilder->rebuildTrajectories(startTraj, (*collseed)[j], theTmpTrajectories);
 
           LogDebug("CkfPattern") << "======== Out-in trajectory building found " << theTmpTrajectories.size()
                                  << " valid/invalid trajectories from seed " << j << " ========\n"
                                  << PrintoutHelper::dumpCandidates(theTmpTrajectories);
           if (theTmpTrajectories.empty()) {
             Lock lock(theMutex);
             (*outputSeedStopInfos)[j].setStopReason(SeedStopReason::SEED_REGION_REBUILD);
             return;
           }
         }
 
         // Select the best trajectory from this seed (after seed region rebuilding, can be more than one)
         theTrajectoryCleaner->clean(theTmpTrajectories);
 
         LogDebug("CkfPattern") << "======== Trajectory cleaning gave the following " << theTmpTrajectories.size()
                                << " valid trajectories from seed " << j << " ========\n"
                                << PrintoutHelper::dumpCandidates(theTmpTrajectories);
 
         {
           Lock lock(theMutex);
           for (vector<Trajectory>::iterator it = theTmpTrajectories.begin(); it != theTmpTrajectories.end(); it++) {
             if (it->isValid()) {
               it->setSeedRef(collseed->refAt(j));
               (*outputSeedStopInfos)[j].setStopReason(SeedStopReason::NOT_STOPPED);
               // Store trajectory
               rawResult.push_back(std::move(*it));
               // Tell seed cleaner which hits this trajectory used.
               //TO BE FIXED: this cut should be configurable via cfi file
               if (theSeedCleaner && rawResult.back().foundHits() > 3)
                 theSeedCleaner->add(&rawResult.back());
               //if (theSeedCleaner ) theSeedCleaner->add( & (*it) );
             }
           }
         }
 
         theTmpTrajectories.clear();
 
         LogDebug("CkfPattern") << "rawResult trajectories found so far = " << rawResult.size();
 
         {
           Lock lock(theMutex);
           if (maxSeedsBeforeCleaning_ > 0 && rawResult.size() > maxSeedsBeforeCleaning_ + lastCleanResult) {
             theTrajectoryCleaner->clean(rawResult);
             rawResult.erase(
                 std::remove_if(rawResult.begin() + lastCleanResult, rawResult.end(), std::not_fn(&Trajectory::isValid)),
                 rawResult.end());
             lastCleanResult = rawResult.size();
           }
         }
       };
       // end of loop over seeds
 
 #ifdef VI_TBB
       tbb::parallel_for(0UL, collseed_size, 1UL, theLoop);
 #else
 #ifdef VI_OMP
 #pragma omp parallel for schedule(dynamic, 4)
 #endif
       for (size_t j = 0; j < collseed_size; j++) {
         theLoop(j);
       }
 #endif
       assert(ntseed == collseed_size);
       if (theSeedCleaner)
         theSeedCleaner->done();
 
         // std::cout << "VICkfPattern " << "rawResult trajectories found = " << rawResult.size() << " in " << ntseed << " seeds " << collseed_size << std::endl;
 
 #ifdef VI_REPRODUCIBLE
       // sort trajectory
       std::sort(rawResult.begin(), rawResult.end(), [](const Trajectory& a, const Trajectory& b) {
         return a.seedRef().key() < b.seedRef().key();
       });
       //{ return a.chiSquared()*b.ndof() < b.chiSquared()*a.ndof();});
 #endif
 
       // Step E: Clean the results to avoid duplicate tracks
       // Rejected ones just flagged as invalid.
       theTrajectoryCleaner->clean(rawResult);
 
       LogDebug("CkfPattern") << "======== Final cleaning of entire event found " << rawResult.size()
                              << " valid/invalid trajectories =======" << endl
                              << PrintoutHelper::dumpCandidates(rawResult);
 
       LogDebug("CkfPattern") << "removing invalid trajectories.";
 
       // Assuming here that theLoop() gives at most one Trajectory per seed
       for (const auto& traj : rawResult) {
         if (!traj.isValid()) {
           const auto seedIndex = traj.seedRef().key();
           if ((*outputSeedStopInfos)[seedIndex].stopReason() == SeedStopReason::NOT_STOPPED) {
             (*outputSeedStopInfos)[seedIndex].setStopReason(SeedStopReason::FINAL_CLEAN);
           }
         }
       }
 
       vector<Trajectory>& unsmoothedResult(rawResult);
       unsmoothedResult.erase(
           std::remove_if(unsmoothedResult.begin(), unsmoothedResult.end(), std::not_fn(&Trajectory::isValid)),
           unsmoothedResult.end());
       unsmoothedResult.shrink_to_fit();
       // If requested, reverse the trajectories creating a new 1-hit seed on the last measurement of the track
       if (reverseTrajectories) {
         for (auto it = unsmoothedResult.begin(), ed = unsmoothedResult.end(); it != ed; ++it) {
           // reverse the trajectory only if it has valid hit on the last measurement (should happen)
           if (it->lastMeasurement().updatedState().isValid() && it->lastMeasurement().recHit().get() != nullptr &&
               it->lastMeasurement().recHit()->isValid()) {
             // I can't use reverse in place, because I want to change the seed
             // 1) reverse propagation direction
             PropagationDirection direction = it->direction();
             if (direction == alongMomentum)
               direction = oppositeToMomentum;
             else if (direction == oppositeToMomentum)
               direction = alongMomentum;
             // 2) make a seed
             TrajectoryStateOnSurface const& initState = it->lastMeasurement().updatedState();
             auto initId = it->lastMeasurement().recHitR().rawId();
             PTrajectoryStateOnDet&& state = trajectoryStateTransform::persistentState(initState, initId);
             TrajectorySeed::recHitContainer hits;
             hits.push_back(it->lastMeasurement().recHit()->hit()->clone());
             std::shared_ptr<const TrajectorySeed> seed(new TrajectorySeed(state, std::move(hits), direction));
             // 3) make a trajectory
             Trajectory trajectory(seed, direction);
             trajectory.setNLoops(it->nLoops());
             trajectory.setSeedRef(it->seedRef());
             trajectory.setStopReason(it->stopReason());
             // 4) push states in reversed order
             Trajectory::DataContainer& meas = it->measurements();
             trajectory.reserve(meas.size());
             for (auto itmeas = meas.rbegin(), endmeas = meas.rend(); itmeas != endmeas; ++itmeas) {
               trajectory.push(std::move(*itmeas));
             }
             // replace
             (*it) = std::move(trajectory);
           } else {
             edm::LogWarning("CkfPattern_InvalidLastMeasurement")
                 << "Last measurement of the trajectory is invalid, cannot reverse it";
           }
         }
       }
 
       int viTotHits = 0;
 
       if (theTrackCandidateOutput) {
         // Step F: Convert to TrackCandidates
         output->reserve(unsmoothedResult.size());
         Traj2TrackHits t2t(theTrajectoryBuilder->hitBuilder(), true);
 
         for (vector<Trajectory>::const_iterator it = unsmoothedResult.begin(); it != unsmoothedResult.end(); ++it) {
           LogDebug("CkfPattern") << "copying " << (useSplitting ? "splitted" : "un-splitted")
                                  << " hits from trajectory";
           edm::OwnVector<TrackingRecHit> recHits;
           if (it->direction() != alongMomentum)
             LogDebug("CkfPattern") << "not along momentum... " << std::endl;
           t2t(*it, recHits, useSplitting);
 
           viTotHits += recHits.size();
 
           LogDebug("CkfPattern") << "getting initial state.";
           Trajectory trialTrajectory = (*it);
           std::pair<TrajectoryStateOnSurface, const GeomDet*> initState;
           bool failed = false;
 
           do {
             // Drop last hit if previous backFitter was not successful
             if (failed) {
               LogDebug("CkfPattern") << "removing last hit";
               trialTrajectory.pop();
               LogDebug("CkfPattern") << "hits remaining " << trialTrajectory.foundHits();
             }
 
             // Get inner state
             const bool doBackFit = (!doSeedingRegionRebuilding) & (!reverseTrajectories);
             initState = theInitialState->innerState(trialTrajectory, doBackFit);
 
             // Check if that was successful
             failed = (!initState.first.isValid()) || initState.second == nullptr ||
                      edm::isNotFinite(initState.first.globalPosition().x());
           } while (failed && trialTrajectory.foundHits() > 3);
 
           if (failed) {
             const auto seedIndex = it->seedRef().key();
             (*outputSeedStopInfos)[seedIndex].setStopReason(SeedStopReason::SMOOTHING_FAILED);
             continue;
           }
 
           PTrajectoryStateOnDet state;
           if (useSplitting && (initState.second != recHits.front().det()) && recHits.front().det()) {
             LogDebug("CkfPattern") << "propagating to hit front in case of splitting.";
             TrajectoryStateOnSurface&& propagated =
                 thePropagator->propagate(initState.first, recHits.front().det()->surface());
             if (!propagated.isValid())
               continue;
             state = trajectoryStateTransform::persistentState(propagated, recHits.front().rawId());
           } else
             state =
                 trajectoryStateTransform::persistentState(initState.first, initState.second->geographicalId().rawId());
           LogDebug("CkfPattern") << "pushing a TrackCandidate.";
           output->emplace_back(recHits, it->seed(), state, it->seedRef(), it->nLoops(), (uint8_t)it->stopReason());
         }
       }  //output trackcandidates
 
       edm::ESHandle<TrackerGeometry> tracker;
       es.get<TrackerDigiGeometryRecord>().get(tracker);
       LogTrace("CkfPattern|TrackingRegressionTest") << "========== CkfTrackCandidateMaker Info =========="
                                                     << "number of Seed: " << collseed->size() << '\n'
                                                     << PrintoutHelper::regressionTest(*tracker, unsmoothedResult);
 
       assert(viTotHits >= 0);  // just to use it...
       // std::cout << "VICkfPattern result " << output->size() << " " << viTotHits << std::endl;
 
       if (theTrajectoryOutput) {
         outputT->swap(unsmoothedResult);
       }
 
     }  // end of ((*collseed).size()>0)
 
     // method for debugging
     deleteAssocDebugger();
 
     // Step G: write output to file
     if (theTrackCandidateOutput) {
       e.put(std::move(output));
     }
     if (theTrajectoryOutput) {
       e.put(std::move(outputT));
     }
     e.put(std::move(outputSeedStopInfos));
   }

void cms::CkfTrackCandidateMakerBase::setEventSetup ( const edm::EventSetup & es )

private

Initialize EventSetup objects at each event.

Definition at line 127 of file CkfTrackCandidateMakerBase.cc.

References edm::EventSetup::get(), edm::ESHandle< T >::product(), theGeomSearchTracker, theMagField, theMagFieldName, theNavigationSchool, theNavigationSchoolName, theTrajectoryBuilder, theTrajectoryCleaner, and theTrajectoryCleanerName.

Referenced by deleteAssocDebugger(), and produceBase().

                                                                         {
     //services
     es.get<TrackerRecoGeometryRecord>().get(theGeomSearchTracker);
     es.get<IdealMagneticFieldRecord>().get(theMagFieldName, theMagField);
     //    edm::ESInputTag mfESInputTag(mfName);
     //    es.get<IdealMagneticFieldRecord>().get(mfESInputTag,theMagField );
 
     edm::ESHandle<TrajectoryCleaner> trajectoryCleanerH;
     es.get<TrajectoryCleaner::Record>().get(theTrajectoryCleanerName, trajectoryCleanerH);
     theTrajectoryCleaner = trajectoryCleanerH.product();
 
     edm::ESHandle<NavigationSchool> navigationSchoolH;
     es.get<NavigationSchoolRecord>().get(theNavigationSchoolName, navigationSchoolH);
     theNavigationSchool = navigationSchoolH.product();
     theTrajectoryBuilder->setNavigationSchool(theNavigationSchool);
   }