예제 #1
0
 def MakeVeloTracks(self,prefilter):
     
     if self.__confdict__["DoVeloDecoding"]:
         from DAQSys.Decoders import DecoderDB
         from DAQSys.DecoderClass import decodersForBank
         decs=[]
         vdec=DecoderDB["DecodeVeloRawBuffer/createBothVeloClusters"]
         vdec.Active=True
         DecoderDB["DecodeVeloRawBuffer/createVeloClusters"].Active=False
         DecoderDB["DecodeVeloRawBuffer/createVeloLiteClusters"].Active=False
         decs=decs+[vdec]
         VeloDecoding = GaudiSequencer("RecoDecodingSeq")
         VeloDecoding.Members += [d.setup() for d in decs ]
     
     MyFastVeloTracking = FastVeloTracking("For%sFastVelo"%self.name,OutputTracksName=self.VeloTrackOutputLocation)
     MyFastVeloTracking.OnlyForward = True
     MyFastVeloTracking.ResetUsedFlags = True
     ### prepare for fitting
     preve = TrackStateInitAlg("For%sInitSeedFit"%self.name,TrackLocation = self.VeloTrackOutputLocation)
     preve.StateInitTool.VeloFitterName = "FastVeloFitLHCbIDs"
     copyVelo = TrackContainerCopy( "For%sCopyVelo"%self.name )
     copyVelo.inputLocations = [self.VeloTrackOutputLocation]
     copyVelo.outputLocation = self.FittedVeloTrackOutputLocation
     
     ### fitting
     if self.__confdict__["VeloFitter"] == "ForwardStraightLine":
         MyVeloFit = ConfiguredForwardStraightLineEventFitter(Name="For%sVeloRefitterAlg"%self.name,
                                                              TracksInContainer=self.FittedVeloTrackOutputLocation)
     elif self.__confdict__["VeloFitter"] == "SimplifiedGeometry":
         MyVeloFit = ConfiguredEventFitter(Name="For%sVeloRefitterAlg"%self.name,
                                           TracksInContainer=self.FittedVeloTrackOutputLocation,
                                           SimplifiedGeometry = True)
     else:
         MyVeloFit = ConfiguredEventFitter(Name="For%sVeloRefitterAlg"%self.name,
                                           TracksInContainer=self.FittedVeloTrackOutputLocation)
         
     #### making the proto particles
     MakeVeloProtos = ChargedProtoParticleMaker('For%sVeloProtoMaker'%self.name)
     MakeVeloProtos.Inputs=[self.FittedVeloTrackOutputLocation]
     MakeVeloProtos.Output = self.VeloProtoOutputLocation
     MakeVeloProtos.addTool( DelegatingTrackSelector, name="TrackSelector" )
     MakeVeloProtos.TrackSelector.TrackTypes = [ "Velo" ]
 
     #### the full sequence
     makeparts = GaudiSequencer('For%sMakeVeloTracksGS'%self.name)
     if self.__confdict__["DoVeloDecoding"]:
         makeparts.Members += [ VeloDecoding ] 
     makeparts.Members += [ MyFastVeloTracking ] 
     makeparts.Members += [ preve ] 
     makeparts.Members += [ copyVelo ] 
     makeparts.Members += [ MyVeloFit ] 
     makeparts.Members += [ MakeVeloProtos ] 
 
     #### some python magic to maek this appear like a "Selection"
     return GSWrapper(name="For%sWrappedVeloTrackingFor"%self.name,
                      sequencer=makeparts,
                      output=self.VeloProtoOutputLocation,
                      requiredSelections =  prefilter)
예제 #2
0
def fittedVelo(inputTracks, outputTracks, name='VeloOnlyFitterAlg'):
    from Configurables import TrackEventFitter, TrackInitFit
    from Configurables import TrackStateInitTool, TrackMasterFitter
    if HltRecoConf().getProp("FastFitVelo"):
        # For now use the save option where Velo tracks are copied and the original ones are not changed
        from Configurables import TrackStateInitAlg, TrackStateInitTool,FastVeloFitLHCbIDs
        from Configurables import TrackContainerCopy
        copy = TrackContainerCopy(name+"CopyVelo")
        copy.inputLocations = [ inputTracks ]
        copy.outputLocation = outputTracks
        init = TrackStateInitAlg(name)
        init.TrackLocation = copy.outputLocation
        init.addTool(TrackStateInitTool, name="StateInitTool")
        init.StateInitTool.VeloFitterName = "FastVeloFitLHCbIDs"
        init.StateInitTool.addTool(TrackMasterExtrapolator, "Extrapolator")
        init.StateInitTool.Extrapolator.addTool(SimplifiedMaterialLocator,
                                                name = "MaterialLocator")
        init.StateInitTool.addTool(FastVeloFitLHCbIDs,name="FastVeloFitLHCbIDs")
        init.StateInitTool.FastVeloFitLHCbIDs.UseKalmanFit = True
        return [copy,init]
    else:
        fa = TrackEventFitter(name)
        fa.TracksInContainer = inputTracks
        fa.TracksOutContainer = outputTracks
        fa.Fitter = "TrackInitFit/Fit"
        fa.addTool(TrackInitFit, "Fit")
        fa.Fit.Init = "TrackStateInitTool/VeloOnlyStateInit"
        fa.Fit.addTool(TrackStateInitTool, "VeloOnlyStateInit")
        fa.Fit.VeloOnlyStateInit.VeloFitterName = "FastVeloFitLHCbIDs"
        fa.Fit.VeloOnlyStateInit.addTool(TrackMasterExtrapolator, "Extrapolator")
        fa.Fit.VeloOnlyStateInit.Extrapolator.addTool(SimplifiedMaterialLocator,
                                                      name = "MaterialLocator")
        fa.Fit.Fit = "TrackMasterFitter/Fit"
        fa.Fit.addTool(TrackMasterFitter, name = "Fit")
        from TrackFitter.ConfiguredFitters import ConfiguredForwardFitter
        fitter = ConfiguredForwardFitter(fa.Fit.Fit)
        return [ fa ]
    CondDB().addLayer(OTAlignmentCondition)

# ================================================================================================
# add all 'private' reconstruction to this sequence which is automatically added to the alignment sequence.
# ================================================================================================
from Configurables import GaudiSequencer
trackFilterSeq = GaudiSequencer("TrackFilterSeq")

# ----------------------------------------------------------------------------------
# make a selection of the Best-tracks based on the chisquare
# ----------------------------------------------------------------------------------
from Configurables import (TrackSelector, TrackContainerCopy)
seedselectoralg = TrackContainerCopy("SeedSelection")
seedselectoralg.addTool(TrackSelector("SeedSelector"), name="Selector")
seedselectoralg.inputLocation = 'Rec/Track/Best'
seedselectoralg.outputLocation = 'Rec/Track/SelectedBest'
seedselectoralg.Selector.MaxChi2Cut = 5
#seedselectoralg.Selector.MinNOTHits = 12
trackFilterSeq.Members.append(seedselectoralg)

## # ----------------------------------------------------------------------------------
## from Configurables import TrackListRefiner
## # ----------------------------------------------------------------------------------

## longTrackSelector = TrackListRefiner("LongTrackSelector",
##                                      inputLocation = "Rec/Track/SelectedBest",
##                                      outputLocation = "Rec/Track/SeectedLong",
##                                      Selector = TrackSelector())
## longTrackSelector.Selector.TrackTypes = ["Long","Downstream"]
## trackFilterSeq.Members.append( longTrackSelector )
    if OTMuonMatching:
        trackFilterSeq.Members.append(matching)
        trackFilterSeq.Members.append(tmuonfit)
    # ------------------------------------------------------------------
from Configurables import TrackMonitor
trackFilterSeq.Members.append(
    TrackMonitor("MyTMuonMonitor", TracksInContainer='Rec/Track/Best/TMuon'))

from Configurables import (TrackSelector, TrackContainerCopy)
tmuonselectoralg = TrackContainerCopy("TmuonSelection")
tmuonselectoralg.addTool(TrackSelector, name="Selector")
tmuonselectoralg.Selector.MaxChi2Cut = 10
tmuonselectoralg.Selector.OutputLevel = outputlevel
tmuonselectoralg.inputLocation = 'Rec/Track/Best/TMuon'
tmuonselectoralg.outputLocation = 'Rec/Track/AlignTracks'

trackFilterSeq.Members.append(tmuonselectoralg)
##==============================================================

#-- Use latest database tags for real data

from Configurables import LHCbApp
#LHCbApp().Monitors = ["MemoryAuditor"]
Escher().DataType = "2010"
LHCbApp().DDDBtag = "default"
LHCbApp().CondDBtag = "default"
Escher().DatasetName = 'Collision2010'
Escher().Simulation = False
#Escher().UseOracle = True
EventSelector().PrintFreq = 1500
예제 #5
0
def RecoTrackingHLT1(exclude=[],
                     simplifiedGeometryFit=True,
                     liteClustersFit=True):
    '''Function that defines the pattern recognition algorithms for the HLT1 sequence of the Run 2 offline tracking'''
    ## Start TransportSvc, needed by track fit
    ApplicationMgr().ExtSvc.append("TransportSvc")

    ## --------------------------------------------------------------------
    ## Pattern Recognition and Fitting
    ## --------------------------------------------------------------------

    # Which algs to run ?
    trackAlgs = TrackSys().getProp("TrackPatRecAlgorithms")

    # Which data type is it?
    dataType = TrackSys().getProp("DataType")

    # Decode the RAW banks
    ExcludedLayers = TrackSys().getProp("ExcludedLayers")
    DecodeTracking(trackAlgs, ExcludedLayers)

    from Configurables import STOfflinePosition
    IT = STOfflinePosition('ITClusterPosition')
    IT.DetType = "IT"
    TT = STOfflinePosition('TTClusterPosition')
    TT.DetType = "TT"

    from STTools import STOfflineConf
    STOfflineConf.DefaultConf().configureTools()

    ## Make sure the default extrapolator and interpolator use simplified material
    from Configurables import TrackMasterExtrapolator, TrackInterpolator, SimplifiedMaterialLocator, DetailedMaterialLocator
    if TrackSys().simplifiedGeometry() and ('SimpleGeom' not in exclude):
        TrackMasterExtrapolator().MaterialLocator = 'SimplifiedMaterialLocator'
        TrackInterpolator().addTool(TrackMasterExtrapolator(
            MaterialLocator='SimplifiedMaterialLocator'),
                                    name='Extrapolator')

    ### This configures public tools to use the new multiple scattering description without the log term
    from Configurables import StateThickMSCorrectionTool
    me = TrackMasterExtrapolator()
    me.addTool(DetailedMaterialLocator(), name="MaterialLocator")
    me.MaterialLocator.addTool(StateThickMSCorrectionTool,
                               name="StateMSCorrectionTool")
    me.MaterialLocator.StateMSCorrectionTool.UseRossiAndGreisen = True

    ti = TrackInterpolator()
    ti.addTool(me)

    from Configurables import TrackStateProvider
    tsp = TrackStateProvider()
    tsp.addTool(TrackInterpolator, name="Interpolator")
    tsp.addTool(TrackMasterExtrapolator, name="Extrapolator")
    tsp.Interpolator.addTool(TrackMasterExtrapolator, name='Extrapolator')
    if simplifiedGeometryFit or (TrackSys().simplifiedGeometry() and
                                 ('SimpleGeom' not in exclude)):
        tsp.Extrapolator.addTool(SimplifiedMaterialLocator,
                                 name="MaterialLocator")
        tsp.Interpolator.Extrapolator.addTool(SimplifiedMaterialLocator,
                                              name="MaterialLocator")
    else:
        tsp.Extrapolator.addTool(DetailedMaterialLocator,
                                 name="MaterialLocator")
        tsp.Interpolator.Extrapolator.addTool(DetailedMaterialLocator,
                                              name="MaterialLocator")
    tsp.Extrapolator.MaterialLocator.addTool(StateThickMSCorrectionTool,
                                             name="StateMSCorrectionTool")
    tsp.Extrapolator.MaterialLocator.StateMSCorrectionTool.UseRossiAndGreisen = True
    tsp.Interpolator.Extrapolator.MaterialLocator.addTool(
        StateThickMSCorrectionTool, name="StateMSCorrectionTool")
    tsp.Interpolator.Extrapolator.MaterialLocator.StateMSCorrectionTool.UseRossiAndGreisen = True
    ###

    ## Velo tracking
    ## Why is Velo not in the tracking sequence?
    if "FastVelo" in trackAlgs:
        from Configurables import FastVeloTracking
        GaudiSequencer("RecoVELOSeq").Members += [
            FastVeloTracking("FastVeloTracking")
        ]
        if TrackSys().timing():
            FastVeloTracking().TimingMeasurement = True

    ## Tracking sequence
    from Configurables import ProcessPhase
    track = ProcessPhase("TrackHLT1")
    GaudiSequencer("RecoTrHLT1Seq").Members += [track]

    from Configurables import MagneticFieldSvc
    if TrackSys().fieldOff():
        MagneticFieldSvc().ForcedSignedCurrentScaling = 0.

    if "noDrifttimes" in TrackSys().getProp("ExpertTracking"):
        from Configurables import (Tf__OTHitCreator)
        Tf__OTHitCreator("OTHitCreator").NoDriftTimes = True

    # Get the fitters
    from TrackFitter.ConfiguredFitters import ConfiguredFit, ConfiguredFitSeed, ConfiguredMasterFitter

    # Clone killer
    tracklists = []

    # Is this standard sequence?
    stdSeq = "fastSequence" not in TrackSys().getProp("ExpertTracking")

    ## Velo-TT pattern
    if "VeloTT" in trackAlgs:
        track.DetectorList += ["VeloTTPat"]
        from Configurables import PatVeloTTHybrid
        GaudiSequencer("TrackHLT1VeloTTPatSeq").Members += [
            PatVeloTTHybrid("PatVeloTTHybrid")
        ]
        from PatVeloTT import PatVeloTTAlgConf
        PatVeloTTAlgConf.PatVeloTTConf().configureAlgRun2HLT1()
        if TrackSys().timing():
            PatVeloTTHybrid("PatVeloTTHybrid").TimingMeasurement = True
        tracklists += ["Rec/Track/VeloTT"]

    ## Forward pattern
    if "ForwardHLT1" in trackAlgs:
        if "VeloTT" not in trackAlgs:
            raise RuntimeError("Cannot run HLT1 forward without VeloTT")

        track.DetectorList += ["ForwardPatHLT1"]
        from Configurables import PatForward, PatForwardTool
        GaudiSequencer("TrackHLT1ForwardPatHLT1Seq").Members += [
            PatForward("PatForwardHLT1")
        ]

        # should be replaced by more 'global' tracking configuration
        from PatAlgorithms import PatAlgConf
        PatAlgConf.ForwardConf().configureAlgRun2HLT1()
        if TrackSys().timing():
            PatForward("PatForwardHLT1").TimingMeasurement = True
        tracklists += ["Rec/Track/ForwardHLT1"]

    ## Fitting all HLT1 tracks
    track.DetectorList += ["FitHLT1"]

    from Configurables import TrackEventFitter, TrackInitFit, TrackStateInitTool, TrackStateInitAlg, TrackMasterExtrapolator, TrackMasterFitter
    from Configurables import SimplifiedMaterialLocator, DetailedMaterialLocator
    from Configurables import TrackContainerCopy

    ######
    ### Fitter for Velo tracks
    ######
    if "FastVelo" in trackAlgs:
        if "VeloForwardKalmanHLT1" in TrackSys().getProp("ExpertTracking"):
            # This is the option for the 2015 early measurements
            veloFitter = TrackEventFitter('VeloOnlyFitterAlg')
            veloFitter.TracksInContainer = "Rec/Track/Velo"
            veloFitter.TracksOutContainer = "Rec/Track/FittedHLT1VeloTracks"
            veloFitter.Fitter = "TrackInitFit/Fit"
            veloFitter.addTool(TrackInitFit, "Fit")
            veloFitter.Fit.Init = "TrackStateInitTool/VeloOnlyStateInit"
            veloFitter.Fit.addTool(TrackStateInitTool, "VeloOnlyStateInit")
            veloFitter.Fit.VeloOnlyStateInit.VeloFitterName = "FastVeloFitLHCbIDs"
            veloFitter.Fit.VeloOnlyStateInit.addTool(TrackMasterExtrapolator,
                                                     "Extrapolator")
            if (simplifiedGeometryFit):
                veloFitter.Fit.VeloOnlyStateInit.Extrapolator.addTool(
                    SimplifiedMaterialLocator, name="MaterialLocator")
            else:
                veloFitter.Fit.VeloOnlyStateInit.Extrapolator.addTool(
                    DetailedMaterialLocator, name="MaterialLocator")

            veloFitter.Fit.Fit = "TrackMasterFitter/Fit"
            veloFitter.Fit.addTool(TrackMasterFitter, name="Fit")

            from TrackFitter.ConfiguredFitters import ConfiguredForwardFitter
            ConfiguredForwardFitter(veloFitter.Fit.Fit,
                                    LiteClusters=liteClustersFit)

            GaudiSequencer("TrackHLT1FitHLT1Seq").Members += [veloFitter]

        else:
            # and this is the option for after the early measurements
            # copy tracks from pat reco output container to a new one
            copyVeloTracks = TrackContainerCopy("CopyVeloTracks")
            copyVeloTracks.inputLocations = ["Rec/Track/Velo"]
            copyVeloTracks.outputLocation = "Rec/Track/FittedHLT1VeloTracks"

            from FastVelo import FastVeloAlgConf
            stateInit = TrackStateInitAlg('VeloOnlyInitAlg')
            FastVeloAlgConf.FastVeloKalmanConf().configureFastKalmanFit(
                init=stateInit)
            GaudiSequencer("TrackHLT1FitHLT1Seq").Members += [
                copyVeloTracks, stateInit
            ]

    ######
    ### Fitter for Forward tracks
    ### Need to be careful: This is all a little fragile, so if you plan to change something, check that everything configures the way you expect
    ### The Extrapolator for the StateInitTool does not use material corrections, so don't need to explicitely add the StateThickMSCorrectionTool
    ######
    if "ForwardHLT1" in trackAlgs:
        fwdFitter = TrackEventFitter('ForwardHLT1FitterAlg')
        fwdFitter.TracksInContainer = "Rec/Track/ForwardHLT1"
        fwdFitter.TracksOutContainer = "Rec/Track/FittedHLT1ForwardTracks"
        # Keep only good tracks, this cut should be aligned with the one in the TrackBestTrackCreator
        fwdFitter.MaxChi2DoF = 4.0
        fwdFitter.Fitter = "TrackInitFit/Fit"
        fwdFitter.addTool(TrackInitFit, "Fit")
        fwdFitter.Fit.Init = "TrackStateInitTool/FwdStateInit"
        fwdFitter.Fit.addTool(TrackStateInitTool, "FwdStateInit")
        fwdFitter.Fit.FwdStateInit.addTool(TrackMasterExtrapolator,
                                           "Extrapolator")
        fwdFitter.Fit.FwdStateInit.UseFastMomentumEstimate = True
        fwdFitter.Fit.FwdStateInit.VeloFitterName = "FastVeloFitLHCbIDs"
        if (simplifiedGeometryFit):
            fwdFitter.Fit.FwdStateInit.Extrapolator.addTool(
                SimplifiedMaterialLocator, name="MaterialLocator")
        else:
            fwdFitter.Fit.FwdStateInit.Extrapolator.addTool(
                DetailedMaterialLocator, name="MaterialLocator")

        fwdFitter.Fit.Fit = "TrackMasterFitter/Fit"
        fwdFitter.Fit.addTool(TrackMasterFitter, name="Fit")

        from TrackFitter.ConfiguredFitters import ConfiguredMasterFitter
        ConfiguredMasterFitter(fwdFitter.Fit.Fit,
                               SimplifiedGeometry=simplifiedGeometryFit,
                               LiteClusters=liteClustersFit,
                               MSRossiAndGreisen=True)

        GaudiSequencer("TrackHLT1FitHLT1Seq").Members += [fwdFitter]
예제 #6
0
def RecoTrackingHLT2(exclude=[],
                     simplifiedGeometryFit=True,
                     liteClustersFit=True):
    '''Function that defines the pattern recognition algorithms for the HLT2 sequence of the Run 2 offline tracking'''

    ## Tracking sequence
    from Configurables import ProcessPhase
    track = ProcessPhase("TrackHLT2")
    GaudiSequencer("RecoTrHLT2Seq").Members += [track]

    tracklists = []

    # Which algs to run ?
    trackAlgs = TrackSys().getProp("TrackPatRecAlgorithms")

    # Which data type is it?
    dataType = TrackSys().getProp("DataType")

    ## Forward pattern
    if "ForwardHLT2" in trackAlgs:
        track.DetectorList += ["ForwardPatHLT2"]
        # Need to filter out the Velo tracks of the fitted HLT1 tracks
        #from Configurables import TrackListRefiner, TrackSelector
        #refiner = TrackListRefiner("FilterForwardHLT1Tracks")
        #refiner.inputLocation = "Rec/Track/FittedHLT1Tracks"
        #refiner.outputLocation = "Rec/Track/FittedHLT1ForwardTracks"
        #refiner.Selector = "TrackSelector"
        #refiner.addTool(TrackSelector("TrackSelector"))
        #refiner.TrackSelector.TrackTypes = [ "Long" ]
        #GaudiSequencer("TrackHLT2ForwardPatHLT2Seq").Members +=  [ refiner ]

        from Configurables import PatForward
        GaudiSequencer("TrackHLT2ForwardPatHLT2Seq").Members += [
            PatForward("PatForwardHLT2")
        ]
        from PatAlgorithms import PatAlgConf
        PatAlgConf.ForwardConf().configureAlgRun2HLT2()
        if TrackSys().timing():
            PatForward("PatForwardHLT2").TimingMeasurement = True
            #tracklists += ["Rec/Track/ForwardHLT2"]

        #merge forward from HLT1 and HLT2
        from Configurables import TrackContainerCopy
        merger = TrackContainerCopy("MergeForwardHLT1HLT2")
        merger.inputLocations = [
            "Rec/Track/FittedHLT1ForwardTracks", "Rec/Track/ForwardHLT2"
        ]
        merger.outputLocation = "Rec/Track/Forward"
        merger.copyFailures = True
        GaudiSequencer("TrackHLT2ForwardPatHLT2Seq").Members += [merger]
        tracklists += ["Rec/Track/Forward"]

    ## Seed pattern
    if "PatSeed" in trackAlgs:
        track.DetectorList += ["SeedPat"]
        from Configurables import PatSeeding
        GaudiSequencer("TrackHLT2SeedPatSeq").Members += [
            PatSeeding("PatSeeding")
        ]
        # should be replaced by more 'global' tracking configuration
        from PatAlgorithms import PatAlgConf
        PatAlgConf.SeedingConf().configureAlg()

        if TrackSys().timing():
            PatSeeding("PatSeeding").TimingMeasurement = True

        if TrackSys().cosmics():
            from PatAlgorithms import PatAlgConf
            PatAlgConf.CosmicConf().configureAlg()

        tracklists += ["Rec/Track/Seed"]

    ## Matching
    if "PatMatch" in trackAlgs:
        track.DetectorList += ["MatchPat"]
        from Configurables import PatMatch
        GaudiSequencer("TrackHLT2MatchPatSeq").Members += [
            PatMatch("PatMatch")
        ]
        # timing?
        # global conf?
        tracklists += ["Rec/Track/Match"]

    ## avoid running both downstream algos
    if "Downstream" in trackAlgs and "PatLongLivedTracking" in trackAlgs:
        raise RuntimeError(
            "Cannot run both PatDownstream and PatLongLivedTracking at once")

    ## Downstream
    if "Downstream" in trackAlgs:
        track.DetectorList += ["DownstreamPat"]
        from Configurables import PatDownstream
        GaudiSequencer("TrackHLT2DownstreamPatSeq").Members += [
            PatDownstream("PatDownstream")
        ]
        from PatAlgorithms import PatAlgConf
        # global conf?
        #PatAlgConf.DownstreamConf().configureAlg()
        if TrackSys().timing():
            PatDownstream("PatDownstream").TimingMeasurement = True
        tracklists += ["Rec/Track/Downstream"]

    ## PatLongLivedTracking (aka improved Downstream)
    if "PatLongLivedTracking" in trackAlgs:
        track.DetectorList += ["DownstreamPat"]
        from Configurables import PatLongLivedTracking
        GaudiSequencer("TrackHLT2DownstreamPatSeq").Members += [
            PatLongLivedTracking("PatLongLivedTracking")
        ]
        if TrackSys().timing():
            PatLongLivedTracking(
                "PatLongLivedTracking").TimingMeasurement = True
        tracklists += ["Rec/Track/Downstream"]

    fit = ProcessPhase("FitHLT2")
    GaudiSequencer("RecoTrHLT2Seq").Members += [fit]
    ### Clean clone and fit
    fit.DetectorList += ["Best"]

    # complete the list of track lists
    if "FastVelo" in trackAlgs:
        tracklists += ["Rec/Track/Velo"]

    if "VeloTT" in trackAlgs:
        tracklists += ["Rec/Track/VeloTT"]

    # create the best track creator
    # note the comment for the HLT1 forward fitter about configurations
    from TrackFitter.ConfiguredFitters import ConfiguredMasterFitter
    from Configurables import TrackBestTrackCreator, TrackMasterFitter, TrackStateInitTool

    # add and cut on the GP in the TrackBestTrackCreator
    # the variable is needed later
    addGhostProbTBTC = True

    bestTrackCreator = TrackBestTrackCreator(TracksInContainers=tracklists)
    bestTrackCreator.MaxChi2DoF = 4.0
    bestTrackCreator.addTool(TrackMasterFitter, name="Fitter")
    bestTrackCreator.DoNotRefit = True
    bestTrackCreator.addTool(TrackStateInitTool, name="StateInitTool")
    bestTrackCreator.StateInitTool.UseFastMomentumEstimate = True
    # cut on ghost prob
    bestTrackCreator.AddGhostProb = addGhostProbTBTC
    bestTrackCreator.GhostIdTool = "Run2GhostId"
    bestTrackCreator.MaxGhostProb = 0.4
    # configure its fitter and stateinittool
    ConfiguredMasterFitter(getattr(bestTrackCreator, "Fitter"),
                           SimplifiedGeometry=simplifiedGeometryFit,
                           LiteClusters=liteClustersFit,
                           MSRossiAndGreisen=True)
    if "FastVelo" in trackAlgs:
        bestTrackCreator.StateInitTool.VeloFitterName = "FastVeloFitLHCbIDs"
    # add to the sequence
    GaudiSequencer("FitHLT2BestSeq").Members += [bestTrackCreator]

    ### Change dEdx correction for simulated data
    #if TrackSys().getProp("Simulation"):
    #   from Configurables import StateDetailedBetheBlochEnergyCorrectionTool,DetailedMaterialLocator
    #   from Configurables import TrackBestTrackCreator
    #   fitter = TrackBestTrackCreator().Fitter
    #   fitter.MaterialLocator.addTool(StateDetailedBetheBlochEnergyCorrectionTool("GeneralDedxTool"))
    #   fitter.MaterialLocator.GeneralDedxTool.EnergyLossFactor = 0.76

    # Make V0
    # needs to be done after fitting, but before the extra infos
    from Configurables import TrackV0Finder
    V0 = ProcessPhase("RecV0")
    GaudiSequencer("RecoTrHLT2Seq").Members += [V0]
    V0.DetectorList += ["MakeV0"]
    ### Clean clone and fit
    trackV0Finder = TrackV0Finder("TrackV0Finder")
    GaudiSequencer("RecV0MakeV0Seq").Members += [trackV0Finder]

    #########################################################
    ##########################################################

    addExtraInfo = ProcessPhase("AddExtraInfo")
    GaudiSequencer("RecoTrHLT2Seq").Members += [addExtraInfo]

    ## Extra track information sequence
    extraInfos = TrackSys().getProp("TrackExtraInfoAlgorithms")
    if len(extraInfos) > 0:

        ## Clone finding and flagging
        if "CloneFlagging" in extraInfos:

            addExtraInfo.DetectorList += ["Clones"]

            from Configurables import TrackBuildCloneTable, TrackCloneCleaner
            #trackClones = GaudiSequencer("TrackClonesSeq")
            if TrackSys().timing():
                trackClones.MeasureTime = True
            cloneTable = TrackBuildCloneTable("FindTrackClones")
            cloneTable.maxDz = 500 * mm
            cloneTable.zStates = [0 * mm, 990 * mm, 9450 * mm]
            cloneTable.klCut = 5e3
            cloneCleaner = TrackCloneCleaner("FlagTrackClones")
            cloneCleaner.CloneCut = 5e3
            #trackClones.Members += [ cloneTable, cloneCleaner ]
            GaudiSequencer("AddExtraInfoClonesSeq").Members += [
                cloneTable, cloneCleaner
            ]

        ## Add the likelihood information
        if "TrackLikelihood" in extraInfos and ('TrackLikelihood'
                                                not in exclude):

            addExtraInfo.DetectorList += ["TrackLikelihood"]

            from Configurables import TrackAddLikelihood, TrackLikelihood
            trackAddLikelihood = TrackAddLikelihood()
            trackAddLikelihood.addTool(TrackLikelihood,
                                       name="TrackMatching_likTool")
            trackAddLikelihood.TrackMatching_likTool.otEff = 0.9
            GaudiSequencer("AddExtraInfoTrackLikelihoodSeq").Members += [
                trackAddLikelihood
            ]

        ## ghost probability using a Neural Net
        if "GhostProbability" in extraInfos and addGhostProbTBTC is False:

            addExtraInfo.DetectorList += ["GhostProb"]

            from Configurables import TrackAddNNGhostId
            nn = TrackAddNNGhostId("TrackAddNNGhostdId")
            nn.GhostIdTool = "Run2GhostId"  # to be decided
            GaudiSequencer("AddExtraInfoGhostProbSeq").Members += [nn]

    # this is very misleading (naming wise), but it will erase extra info that is put on the track by some algorithms
    # (not of the ones beforehand).
    addExtraInfo.DetectorList += ["EraseExtraInfo"]
    from Configurables import TrackEraseExtraInfo

    # erase extra info on Best tracks and on fitted Velo tracks (i.e. on everything that is saved on a DST)
    eraseExtraInfoBest = TrackEraseExtraInfo("TrackEraseExtraInfoBest")
    eraseExtraInfoFittedVelo = TrackEraseExtraInfo(
        "TrackEraseExtraInfoFittedVelo")
    eraseExtraInfoFittedVelo.InputLocation = "Rec/Track/FittedHLT1VeloTracks"

    GaudiSequencer("AddExtraInfoEraseExtraInfoSeq").Members += [
        eraseExtraInfoBest, eraseExtraInfoFittedVelo
    ]

    ## Muon alignment tracks
    ## is this still needed? Looks rather old
    if "MuonAlign" in trackAlgs:
        from Configurables import TrackEventFitter, AlignMuonRec
        track.DetectorList += ["MuonRec"]
        GaudiSequencer("TrackMuonRecSeq").Members += [
            AlignMuonRec("AlignMuonRec"),
            TrackEventFitter("MuonTrackFitter")
        ]
        importOptions("$TRACKSYSROOT/options/AlignMuonRec.opts")
        if TrackSys().fieldOff():
            AlignMuonRec("AlignMuonRec").BField = False
            importOptions("$STDOPTS/DstContentMuonAlign.opts")