Tag side Vertex Fitter module for modular analysis. More...

#include <TagVertexModule.h>

Inheritance diagram for TagVertexModule:

Public Types
enum	EModulePropFlags { c_Input = 1 , c_Output = 2 , c_ParallelProcessingCertified = 4 , c_HistogramManager = 8 , c_InternalSerializer = 16 , c_TerminateInAllProcesses = 32 , c_DontCollectStatistics = 64 }
	Each module can be tagged with property flags, which indicate certain features of the module. More...

typedef ModuleCondition::EAfterConditionPath	EAfterConditionPath
	Forward the EAfterConditionPath definition from the ModuleCondition.

Public Member Functions
	TagVertexModule ()
	Constructor.

virtual void	initialize () override
	Initialize the Module.

virtual void	beginRun () override
	Called when entering a new run.

virtual void	event () override
	Event processor.

const BeamSpot &	getBeamSpot () const
	returns the BeamSpot object

virtual std::vector< std::string >	getFileNames (bool outputFiles)
	Return a list of output filenames for this modules.

virtual void	endRun ()
	This method is called if the current run ends.

virtual void	terminate ()
	This method is called at the end of the event processing.

const std::string &	getName () const
	Returns the name of the module.

const std::string &	getType () const
	Returns the type of the module (i.e.

const std::string &	getPackage () const
	Returns the package this module is in.

const std::string &	getDescription () const
	Returns the description of the module.

void	setName (const std::string &name)
	Set the name of the module.

void	setPropertyFlags (unsigned int propertyFlags)
	Sets the flags for the module properties.

LogConfig &	getLogConfig ()
	Returns the log system configuration.

void	setLogConfig (const LogConfig &logConfig)
	Set the log system configuration.

void	setLogLevel (int logLevel)
	Configure the log level.

void	setDebugLevel (int debugLevel)
	Configure the debug messaging level.

void	setAbortLevel (int abortLevel)
	Configure the abort log level.

void	setLogInfo (int logLevel, unsigned int logInfo)
	Configure the printed log information for the given level.

void	if_value (const std::string &expression, const std::shared_ptr< Path > &path, EAfterConditionPath afterConditionPath=EAfterConditionPath::c_End)
	Add a condition to the module.

void	if_false (const std::shared_ptr< Path > &path, EAfterConditionPath afterConditionPath=EAfterConditionPath::c_End)
	A simplified version to add a condition to the module.

void	if_true (const std::shared_ptr< Path > &path, EAfterConditionPath afterConditionPath=EAfterConditionPath::c_End)
	A simplified version to set the condition of the module.

bool	hasCondition () const
	Returns true if at least one condition was set for the module.

const ModuleCondition *	getCondition () const
	Return a pointer to the first condition (or nullptr, if none was set)

const std::vector< ModuleCondition > &	getAllConditions () const
	Return all set conditions for this module.

bool	evalCondition () const
	If at least one condition was set, it is evaluated and true returned if at least one condition returns true.

std::shared_ptr< Path >	getConditionPath () const
	Returns the path of the last true condition (if there is at least one, else reaturn a null pointer).

Module::EAfterConditionPath	getAfterConditionPath () const
	What to do after the conditional path is finished.

std::vector< std::shared_ptr< Path > >	getAllConditionPaths () const
	Return all condition paths currently set (no matter if the condition is true or not).

bool	hasProperties (unsigned int propertyFlags) const
	Returns true if all specified property flags are available in this module.

bool	hasUnsetForcedParams () const
	Returns true and prints error message if the module has unset parameters which the user has to set in the steering file.

const ModuleParamList &	getParamList () const
	Return module param list.

template<typename T >
ModuleParam< T > &	getParam (const std::string &name) const
	Returns a reference to a parameter.

bool	hasReturnValue () const
	Return true if this module has a valid return value set.

int	getReturnValue () const
	Return the return value set by this module.

std::shared_ptr< PathElement >	clone () const override
	Create an independent copy of this module.

std::shared_ptr< boost::python::list >	getParamInfoListPython () const
	Returns a python list of all parameters.

Static Public Member Functions
static void	exposePythonAPI ()
	Exposes methods of the Module class to Python.

Protected Member Functions
virtual void	def_initialize ()
	Wrappers to make the methods without "def_" prefix callable from Python.

virtual void	def_beginRun ()
	Wrapper method for the virtual function beginRun() that has the implementation to be used in a call from Python.

virtual void	def_event ()
	Wrapper method for the virtual function event() that has the implementation to be used in a call from Python.

virtual void	def_endRun ()
	This method can receive that the current run ends as a call from the Python side.

virtual void	def_terminate ()
	Wrapper method for the virtual function terminate() that has the implementation to be used in a call from Python.

void	setDescription (const std::string &description)
	Sets the description of the module.

void	setType (const std::string &type)
	Set the module type.

template<typename T >
void	addParam (const std::string &name, T &paramVariable, const std::string &description, const T &defaultValue)
	Adds a new parameter to the module.

template<typename T >
void	addParam (const std::string &name, T &paramVariable, const std::string &description)
	Adds a new enforced parameter to the module.

void	setReturnValue (int value)
	Sets the return value for this module as integer.

void	setReturnValue (bool value)
	Sets the return value for this module as bool.

void	setParamList (const ModuleParamList &params)
	Replace existing parameter list.

Private Member Functions
bool	doVertexFit (const Particle *Breco)
	central method for the tag side vertex fit

Particle *	doVertexFitForBTube (const Particle *mother, std::string fitType) const
	it returns an intersection between B rec and beam spot (= origin of BTube)

std::pair< ROOT::Math::XYZVector, TMatrixDSym >	findConstraint (const Particle *Breco, double cut) const
	calculate the constraint for the vertex fit on the tag side using Breco information

std::pair< ROOT::Math::XYZVector, TMatrixDSym >	findConstraintBoost (double cut) const
	calculate the standard constraint for the vertex fit on the tag side

std::pair< ROOT::Math::XYZVector, TMatrixDSym >	findConstraintBTube (const Particle *Breco, double cut)
	calculate constraint for the vertex fit on the tag side using the B tube (cylinder along the expected BTag line of flights

void	BtagMCVertex (const Particle *Breco)
	get the vertex of the MC B particle associated to Btag.

std::vector< const Particle * >	getTagTracks_standardAlgorithm (const Particle *Breco, int nPXDHits) const
	performs the fit using the standard algorithm - using all tracks in RoE The user can specify a request on the PXD hits left by the tracks

analysis::VertexFitKFit	doSingleKfit (std::vector< ParticleAndWeight > &particleAndWeights)
	performs single KFit on particles stored in particleAndWeights this function can be iterated several times until chi2/ndf of the resulting fit is sufficient

std::vector< ParticleAndWeight >	getParticlesAndWeights (const std::vector< const Particle * > &tagParticles) const
	Get a list of particles with attached weight and associated MC particle.

bool	makeGeneralFit ()
	TO DO: tag side vertex fit in the case of semileptonic tag side decay.

bool	makeGeneralFitRave ()
	make the vertex fit on the tag side: RAVE AVF tracks coming from Ks removed all other tracks used

void	fillParticles (std::vector< ParticleAndWeight > &particleAndWeights)
	Fill sorted list of particles into external variable.

void	fillTagVinfo (const ROOT::Math::XYZVector &tagVpos, const TMatrixDSym &tagVposErr)
	Fill tagV vertex info.

bool	makeGeneralFitKFit ()
	make the vertex fit on the tag side: KFit tracks coming from Ks removed all other tracks used

void	deltaT (const Particle *Breco)
	calculate DeltaT and MC-DeltaT (rec - tag) in ps from Breco and Btag vertices DT = Dl / gamma beta c , l = boost direction

void	resetReturnParams ()
	Reset all parameters that are computed in each event and then used to compute tuple variables.

TrackFitResult	getTrackWithTrueCoordinates (ParticleAndWeight const &paw) const
	If the fit has to be done with the truth info, Rave is fed with a track where the momentum is replaced by the true momentum and the position replaced by the point on the true particle trajectory closest to the measured track position The function below takes care of that.

TrackFitResult	getTrackWithRollBackCoordinates (ParticleAndWeight const &paw)
	If the fit has to be done with the rolled back tracks, Rave or KFit is fed with a track where the position of track is shifted by the vector difference of mother B and production point of track from truth info The function below takes care of that.

ROOT::Math::XYZVector	getRollBackPoca (ParticleAndWeight const &paw)
	This shifts the position of tracks by the vector difference of mother B and production point of track from truth info.

std::list< ModulePtr >	getModules () const override
	no submodules, return empty list

std::string	getPathString () const override
	return the module name.

void	setParamPython (const std::string &name, const boost::python::object &pyObj)
	Implements a method for setting boost::python objects.

void	setParamPythonDict (const boost::python::dict &dictionary)
	Implements a method for reading the parameter values from a boost::python dictionary.

Static Private Member Functions
static bool	compBrecoBgen (const Particle Breco, const MCParticle Bgen)
	compare Breco with the two MC B particles

static std::string	printVector (const ROOT::Math::XYZVector &vec)
	Print a XYZVector (useful for debugging)

static std::string	printMatrix (const TMatrixD &mat)
	Print a TMatrix (useful for debugging)

static std::string	printMatrix (const TMatrixDSym &mat)
	Print a TMatrixFSym (useful for debugging)

static ROOT::Math::XYZVector	getTruePoca (ParticleAndWeight const &paw)
	This finds the point on the true particle trajectory closest to the measured track position.

Private Attributes
StoreArray< TagVertex >	m_verArray
	StoreArray of TagVertexes.

StoreArray< MCParticle >	m_mcParticles
	StoreArray of MCParticles.

StoreObjPtr< ParticleList >	m_plist
	input particle list

std::string	m_listName
	Breco particle list name.

double	m_confidenceLevel
	required fit confidence level

std::string	m_useMCassociation
	No MC association or standard Breco particle or internal MCparticle association.

std::string	m_constraintType
	Choose constraint: noConstraint, IP, tube, boost, (breco)

std::string	m_trackFindingType
	Choose how to find the tag tracks: standard, standard_PXD.

int	m_reqPXDHits
	N of PXD hits for a track to be used.

std::string	m_roeMaskName
	ROE particles from this mask will be used for vertex fitting.

double	m_Bfield
	magnetic field from data base

std::vector< const Particle * >	m_tagParticles
	tracks of the rest of the event

std::vector< const Particle * >	m_raveParticles
	tracks given to rave for the track fit (after removing Kshorts

std::vector< double >	m_raveWeights
	Store the weights used by Rave in the vtx fit so that they can be accessed later.

std::vector< const MCParticle * >	m_raveMCParticles
	Store the MC particles corresponding to each track used by Rave in the vtx fit.

bool	m_useTruthInFit
	Set to true if the tag fit is to be made with the TRUE tag track momentum and position.

int	m_fitTruthStatus
	Store info about whether the fit was performed with the truth info 0 fit performed with measured parameters 1 fit performed with true parameters 2 unable to recover truth parameters.

bool	m_useRollBack
	Set to true if the tag fit is to be made with the tag track position rolled back to mother B.

int	m_rollbackStatus
	Store info about whether the fit was performed with the rolled back tracks 0 fit performed with measured parameters 1 fit performed with rolled back parameters 2 unable to recover truth parameters.

double	m_fitPval
	P value of the tag side fit result.

ROOT::Math::XYZVector	m_tagV
	tag side fit result

TMatrixDSym	m_tagVErrMatrix
	Error matrix of the tag side fit result.

ROOT::Math::XYZVector	m_mcTagV
	generated tag side vertex

double	m_mcTagLifeTime
	generated tag side life time of B-decay

int	m_mcPDG
	generated tag side B flavor

ROOT::Math::XYZVector	m_mcVertReco
	generated Breco decay vertex

double	m_mcLifeTimeReco
	generated Breco life time

double	m_deltaT
	reconstructed DeltaT

double	m_deltaTErr
	reconstructed DeltaT error

double	m_mcDeltaTau
	generated DeltaT

double	m_mcDeltaT
	generated DeltaT with boost-direction approximation

TMatrixDSym	m_constraintCov
	constraint to be used in the tag vertex fit

ROOT::Math::XYZVector	m_constraintCenter
	centre position of the constraint for the tag Vertex fit

ROOT::Math::XYZVector	m_BeamSpotCenter
	Beam spot position.

TMatrixDSym	m_BeamSpotCov
	size of the beam spot == covariance matrix on the beam spot position

bool	m_mcInfo
	true if user wants to retrieve MC information out from the tracks used in the fit

DBObjPtr< BeamSpot >	m_beamSpotDB
	Beam spot database object.

int	m_FitType
	fit algo used

double	m_tagVl
	tagV component in the boost direction

double	m_truthTagVl
	MC tagV component in the boost direction

double	m_tagVlErr
	Error of the tagV component in the boost direction

double	m_tagVol
	tagV component in the direction orthogonal to the boost

double	m_truthTagVol
	MC tagV component in the direction orthogonal to the boost.

double	m_tagVolErr
	Error of the tagV component in the direction orthogonal to the boost.

double	m_tagVNDF
	Number of degrees of freedom in the tag vertex fit.

double	m_tagVChi2
	chi^2 value of the tag vertex fit result

double	m_tagVChi2IP
	IP component of the chi^2 of the tag vertex fit result.

std::string	m_fitAlgo
	Algorithm used for the tag fit (Rave or KFit)

double	m_kFitReqReducedChi2
	The required chi2/ndf to accept the kFit result, if it is higher, iteration procedure is applied.

bool	m_verbose
	choose if you want to print extra infos

TMatrixDSym	m_pvCov
	covariance matrix of the PV (useful with tube and KFit)

ROOT::Math::PxPyPzEVector	m_tagMomentum
	B tag momentum computed from fully reconstructed B sig.

std::string	m_name
	The name of the module, saved as a string (user-modifiable)

std::string	m_type
	The type of the module, saved as a string.

std::string	m_package
	Package this module is found in (may be empty).

std::string	m_description
	The description of the module.

unsigned int	m_propertyFlags
	The properties of the module as bitwise or (with \|) of EModulePropFlags.

LogConfig	m_logConfig
	The log system configuration of the module.

ModuleParamList	m_moduleParamList
	List storing and managing all parameter of the module.

bool	m_hasReturnValue
	True, if the return value is set.

int	m_returnValue
	The return value.

std::vector< ModuleCondition >	m_conditions
	Module condition, only non-null if set.

Detailed Description

Tag side Vertex Fitter module for modular analysis.

This module fits the Btag Vertex *

Definition at line 61 of file TagVertexModule.h.

Member Typedef Documentation

◆ EAfterConditionPath

typedef ModuleCondition::EAfterConditionPath EAfterConditionPath

inherited

Forward the EAfterConditionPath definition from the ModuleCondition.

Definition at line 88 of file Module.h.

Member Enumeration Documentation

◆ EModulePropFlags

enum EModulePropFlags

inherited

Each module can be tagged with property flags, which indicate certain features of the module.

Enumerator
c_Input	This module is an input module (reads data).
c_Output	This module is an output module (writes data).
c_ParallelProcessingCertified	This module can be run in parallel processing mode safely (All I/O must be done through the data store, in particular, the module must not write any files.)
c_HistogramManager	This module is used to manage histograms accumulated by other modules.
c_InternalSerializer	This module is an internal serializer/deserializer for parallel processing.
c_TerminateInAllProcesses	When using parallel processing, call this module's terminate() function in all processes(). This will also ensure that there is exactly one process (single-core if no parallel modules found) or at least one input, one main and one output process.
c_DontCollectStatistics	No statistics is collected for this module.

Definition at line 77 of file Module.h.

                          {
      c_Input                       = 1,  
      c_Output                      = 2,  
      c_ParallelProcessingCertified = 4,  
      c_HistogramManager            = 8, 
      c_InternalSerializer          = 16,  
      c_TerminateInAllProcesses     = 32,  
      c_DontCollectStatistics       = 64,  
    };

Constructor & Destructor Documentation

◆ TagVertexModule()

TagVertexModule ( )

Constructor.

Definition at line 80 of file TagVertexModule.cc.

                                 : Module(),
  m_Bfield(0), m_fitTruthStatus(0), m_rollbackStatus(0), m_fitPval(0), m_mcTagLifeTime(-1), m_mcPDG(0), m_mcLifeTimeReco(-1),
  m_deltaT(0), m_deltaTErr(0), m_mcDeltaTau(0), m_mcDeltaT(0),
  m_FitType(0), m_tagVl(0),
  m_truthTagVl(0), m_tagVlErr(0), m_tagVol(0), m_truthTagVol(0), m_tagVolErr(0), m_tagVNDF(0), m_tagVChi2(0), m_tagVChi2IP(0),
  m_kFitReqReducedChi2(5),
  m_verbose(true)
{
  // Set module properties
  setDescription("Tag side Vertex Fitter for modular analysis");
  setPropertyFlags(c_ParallelProcessingCertified);
 
  // Parameter definitions
  addParam("listName", m_listName, "name of particle list", string(""));
  addParam("confidenceLevel", m_confidenceLevel,
           "required confidence level of fit to keep particles in the list. Note that even with confidenceLevel == 0.0, errors during the fit might discard Particles in the list. confidenceLevel = -1 if an error occurs during the fit",
           0.001);
  addParam("MCAssociation", m_useMCassociation,
           "'': no MC association. breco: use standard Breco MC association. internal: use internal MC association", string("breco"));
  addParam("constraintType", m_constraintType,
           "Choose the type of the constraint: noConstraint, IP (tag tracks constrained to be within the beam spot), tube (long tube along the BTag line of flight, only for fully reconstruced B rec), boost (long tube along the Upsilon(4S) boost direction), (breco)",
           string("tube"));
  addParam("trackFindingType", m_trackFindingType,
           "Choose how to reconstruct the tracks on the tag side: standard, standard_PXD",
           string("standard_PXD"));
  addParam("maskName", m_roeMaskName,
           "Choose ROE mask to get particles from ", string(RestOfEvent::c_defaultMaskName));
  addParam("askMCInformation", m_mcInfo,
           "TRUE when requesting MC Information from the tracks performing the vertex fit", false);
  addParam("reqPXDHits", m_reqPXDHits,
           "Minimum number of PXD hits for a track to be used in the vertex fit", 0);
  addParam("fitAlgorithm", m_fitAlgo,
           "Fitter used for the tag vertex fit: Rave or KFit", string("KFit"));
  addParam("kFitReqReducedChi2", m_kFitReqReducedChi2,
           "The required chi2/ndf to accept the kFit result, if it is higher, iteration procedure is applied", 5.0);
  addParam("useTruthInFit", m_useTruthInFit,
           "Use the true track parameters in the vertex fit", false);
  addParam("useRollBack", m_useRollBack,
           "Use rolled back non-primary tracks", false);
}

Member Function Documentation

◆ beginRun()

void beginRun ( void )

overridevirtual

Called when entering a new run.

Set run dependent things

Reimplemented from Module.

Definition at line 149 of file TagVertexModule.cc.

{
  //TODO: set magnetic field for each run
  //m_Bfield = BFieldMap::Instance().getBField(m_BeamSpotCenter).Z();
}

◆ BtagMCVertex()

void BtagMCVertex ( const Particle * Breco )

private

get the vertex of the MC B particle associated to Btag.

It works only with signal MC

Definition at line 527 of file TagVertexModule.cc.

{
  //fill vector with mcB (intended order: Reco, Tag)
  vector<const MCParticle*> mcBs;
  for (const MCParticle& mc : m_mcParticles) {
    if (abs(mc.getPDG()) == abs(Breco->getPDGCode()))
      mcBs.push_back(&mc);
  }
  //too few Bs
  if (mcBs.size() < 2) return;
 
  if (mcBs.size() > 2) {
    B2WARNING("TagVertexModule:: Too many Bs found in MC");
  }
 
  auto isReco = [&](const MCParticle * mc) {
    return (m_useMCassociation == "breco") ? (mc == Breco->getRelated<MCParticle>())
           : compBrecoBgen(Breco, mc);  //internal association
  };
 
  //nothing matched?
  if (!isReco(mcBs[0]) && !isReco(mcBs[1])) {
    return;
  }
 
  //first is Tag, second Reco -> swap the order
  if (!isReco(mcBs[0]) && isReco(mcBs[1]))
    swap(mcBs[0], mcBs[1]);
 
  //both matched -> use closest vertex dist as Reco
  if (isReco(mcBs[0]) && isReco(mcBs[1])) {
    double dist0 = (mcBs[0]->getDecayVertex() - Breco->getVertex()).Mag2();
    double dist1 = (mcBs[1]->getDecayVertex() - Breco->getVertex()).Mag2();
    if (dist0 > dist1)
      swap(mcBs[0], mcBs[1]);
  }
 
  m_mcVertReco = mcBs[0]->getDecayVertex();
  m_mcLifeTimeReco  = getProperLifeTime(mcBs[0]);
  m_mcTagV = mcBs[1]->getDecayVertex();
  m_mcTagLifeTime = getProperLifeTime(mcBs[1]);
  m_mcPDG = mcBs[1]->getPDG();
}

◆ clone()

std::shared_ptr< PathElement > clone ( ) const

overridevirtualinherited

Create an independent copy of this module.

Note that parameters are shared, so changing them on a cloned module will also affect the original module.

Implements PathElement.

Definition at line 179 of file Module.cc.

{
  ModulePtr newModule = ModuleManager::Instance().registerModule(getType());
  newModule->m_moduleParamList.setParameters(getParamList());
  newModule->setName(getName());
  newModule->m_package = m_package;
  newModule->m_propertyFlags = m_propertyFlags;
  newModule->m_logConfig = m_logConfig;
  newModule->m_conditions = m_conditions;
 
  return newModule;
}

◆ compBrecoBgen()

bool compBrecoBgen	(	const Particle *	Breco,
		const MCParticle *	Bgen
	)

staticprivate

compare Breco with the two MC B particles

Definition at line 572 of file TagVertexModule.cc.

{
 
  bool isDecMode = true;
 
  const std::vector<Belle2::Particle*> recDau = Breco->getDaughters();
  const std::vector<Belle2::MCParticle*> genDau = Bgen->getDaughters();
 
  if (recDau.size() > 0 && genDau.size() > 0) {
    for (auto dauRec : recDau) {
      bool isDau = false;
      for (auto dauGen : genDau) {
        if (dauGen->getPDG() == dauRec->getPDGCode())
          isDau = compBrecoBgen(dauRec, dauGen) ;
      }
      if (!isDau) isDecMode = false;
    }
  } else {
    if (recDau.size() == 0) { //&& genDau.size()==0){
      if (Bgen->getPDG() != Breco->getPDGCode()) isDecMode = false;;
    } else {isDecMode = false;}
  }
 
  return isDecMode;
}

◆ def_beginRun()

virtual void def_beginRun ( )

inlineprotectedvirtualinherited

Wrapper method for the virtual function beginRun() that has the implementation to be used in a call from Python.

Reimplemented in PyModule.

Definition at line 425 of file Module.h.

425{ beginRun(); }

Belle2::Module::beginRun

virtual void beginRun()

Called when entering a new run.

Definition: Module.h:146

◆ def_endRun()

virtual void def_endRun ( )

inlineprotectedvirtualinherited

This method can receive that the current run ends as a call from the Python side.

For regular C++-Modules that forwards the call to the regular endRun() method.

Reimplemented in PyModule.

Definition at line 438 of file Module.h.

438{ endRun(); }

Belle2::Module::endRun

virtual void endRun()

This method is called if the current run ends.

Definition: Module.h:165

◆ def_event()

virtual void def_event ( )

inlineprotectedvirtualinherited

Wrapper method for the virtual function event() that has the implementation to be used in a call from Python.

Reimplemented in PyModule.

Definition at line 431 of file Module.h.

431{ event(); }

Belle2::Module::event

virtual void event()

This method is the core of the module.

Definition: Module.h:156

◆ def_initialize()

virtual void def_initialize ( )

inlineprotectedvirtualinherited

Wrappers to make the methods without "def_" prefix callable from Python.

Overridden in PyModule. Wrapper method for the virtual function initialize() that has the implementation to be used in a call from Python.

Reimplemented in PyModule.

Definition at line 419 of file Module.h.

419{ initialize(); }

Belle2::Module::initialize

virtual void initialize()

Initialize the Module.

Definition: Module.h:109

◆ def_terminate()

virtual void def_terminate ( )

inlineprotectedvirtualinherited

Wrapper method for the virtual function terminate() that has the implementation to be used in a call from Python.

Reimplemented in PyModule.

Definition at line 444 of file Module.h.

444{ terminate(); }

Belle2::Module::terminate

virtual void terminate()

This method is called at the end of the event processing.

Definition: Module.h:175

◆ deltaT()

void deltaT ( const Particle * Breco )

private

calculate DeltaT and MC-DeltaT (rec - tag) in ps from Breco and Btag vertices DT = Dl / gamma beta c , l = boost direction

Definition at line 887 of file TagVertexModule.cc.

{
 
  B2Vector3D boost = PCmsLabTransform().getBoostVector();
  ROOT::Math::XYZVector boostDir = ROOT::Math::XYZVector(boost.Unit());
  double bg = boost.Mag() / sqrt(1 - boost.Mag2());
  double c = Const::speedOfLight / 1000.; // cm ps-1
 
  //Reconstructed DeltaL & DeltaT in the boost direction
  ROOT::Math::XYZVector dVert = Breco->getVertex() - m_tagV; //reconstructed vtxReco - vtxTag
  double dl = dVert.Dot(boostDir);
  m_deltaT  = dl / (bg * c);
 
  //Truth DeltaL & approx DeltaT in the boost direction
  ROOT::Math::XYZVector MCdVert = m_mcVertReco - m_mcTagV;   //truth vtxReco - vtxTag
  double MCdl = MCdVert.Dot(boostDir);
  m_mcDeltaT = MCdl / (bg * c);
 
  // MCdeltaTau=tauRec-tauTag
  m_mcDeltaTau = m_mcLifeTimeReco - m_mcTagLifeTime;
  if (m_mcLifeTimeReco  == -1 || m_mcTagLifeTime == -1)
    m_mcDeltaTau =  realNaN;
 
  TVectorD bVec = toVec(B2Vector3D(boostDir));
 
  //TagVertex error in boost dir
  m_tagVlErr = sqrt(m_tagVErrMatrix.Similarity(bVec));
 
  //bReco error in boost dir
  double bRecoErrL = sqrt(Breco->getVertexErrorMatrix().Similarity(bVec));
 
  //Delta t error
  m_deltaTErr =  hypot(m_tagVlErr, bRecoErrL) / (bg * c);
 
  m_tagVl = m_tagV.Dot(boostDir);
  m_truthTagVl = m_mcTagV.Dot(boostDir);
 
  // calculate tagV component and error in the direction orthogonal to the boost
  B2Vector3D oboost = getUnitOrthogonal(B2Vector3D(boostDir));
  TVectorD oVec = toVec(oboost);
 
  //TagVertex error in boost-orthogonal dir
  m_tagVolErr = sqrt(m_tagVErrMatrix.Similarity(oVec));
 
  m_tagVol = m_tagV.Dot(oboost);
  m_truthTagVol = m_mcTagV.Dot(oboost);
}

◆ doSingleKfit()

analysis::VertexFitKFit doSingleKfit ( std::vector< ParticleAndWeight > & particleAndWeights )

private

performs single KFit on particles stored in particleAndWeights this function can be iterated several times until chi2/ndf of the resulting fit is sufficient

Definition at line 750 of file TagVertexModule.cc.

{
  //initialize KFit
  analysis::VertexFitKFit kFit;
  kFit.setMagneticField(m_Bfield);
 
  // apply constraint
  if (m_constraintType != "noConstraint") {
    if (m_constraintType == "tube") {
      CLHEP::HepSymMatrix err(7, 0);
      //copy m_pvCov to the end of err matrix
      err.sub(5, ROOTToCLHEP::getHepSymMatrix(m_pvCov));
      kFit.setIpTubeProfile(
        ROOTToCLHEP::getHepLorentzVector(m_tagMomentum),
        ROOTToCLHEP::getPoint3DFromB2Vector(m_constraintCenter),
        err,
        0.);
    } else {
      kFit.setIpProfile(ROOTToCLHEP::getPoint3DFromB2Vector(m_constraintCenter),
                        ROOTToCLHEP::getHepSymMatrix(m_constraintCov));
    }
  }
 
 
  for (auto& pawi : particleAndWeights) {
    int addedOK = 1;
    if (m_useTruthInFit) {
      if (pawi.mcParticle) {
        addedOK = kFit.addTrack(
                    ROOTToCLHEP::getHepLorentzVector(pawi.mcParticle->get4Vector()),
                    ROOTToCLHEP::getPoint3DFromB2Vector(getTruePoca(pawi)),
                    ROOTToCLHEP::getHepSymMatrix(pawi.particle->getMomentumVertexErrorMatrix()),
                    pawi.particle->getCharge());
      } else {
        m_fitTruthStatus = 2;
      }
    } else if (m_useRollBack) {
      if (pawi.mcParticle) {
        addedOK = kFit.addTrack(
                    ROOTToCLHEP::getHepLorentzVector(pawi.mcParticle->get4Vector()),
                    ROOTToCLHEP::getPoint3DFromB2Vector(getRollBackPoca(pawi)),
                    ROOTToCLHEP::getHepSymMatrix(pawi.particle->getMomentumVertexErrorMatrix()),
                    pawi.particle->getCharge());
      } else {
        m_rollbackStatus = 2;
      }
    } else {
      addedOK = kFit.addParticle(pawi.particle);
    }
 
    if (addedOK == 0) {
      pawi.weight = 1.;
    } else {
      B2WARNING("TagVertexModule::makeGeneralFitKFit: failed to add a track");
      pawi.weight = 0.;
    }
  }
 
 
  int nTracksAdded = kFit.getTrackCount();
 
  //perform fit if there are enough tracks
  if ((nTracksAdded < 2 && m_constraintType == "noConstraint") || nTracksAdded < 1)
    return  analysis::VertexFitKFit();
 
  int isGoodFit = kFit.doFit();
  if (isGoodFit != 0) return analysis::VertexFitKFit();
 
  return kFit;
}

◆ doVertexFit()

bool doVertexFit ( const Particle * Breco )

private

central method for the tag side vertex fit

Definition at line 251 of file TagVertexModule.cc.

{
  //reset the fit truth status in case it was set to 2 in a previous fit
 
  if (m_useTruthInFit) m_fitTruthStatus = 1;
 
  //reset the roll back status in case it was set to 2 in a previous fit
 
  if (m_useRollBack) m_rollbackStatus = 1;
 
  //set constraint type, reset pVal and B field
 
  m_fitPval = 1;
 
  if (!(Breco->getRelatedTo<RestOfEvent>())) {
    m_FitType = -1;
    return false;
  }
 
  if (m_Bfield == 0) {
    B2ERROR("TagVertex: No magnetic field");
    return false;
  }
 
  // recover beam spot info
 
  m_BeamSpotCenter = m_beamSpotDB->getIPPosition();
  m_BeamSpotCov.ResizeTo(3, 3);
  m_BeamSpotCov = m_beamSpotDB->getCovVertex();
 
  //make the beam spot bigger for the standard constraint
 
  double beta = PCmsLabTransform().getBoostVector().Mag();
  double bg = beta / sqrt(1 - beta * beta);
 
  //TODO: What's the origin of these numbers?
  double tauB = 1.519; //B0 lifetime in ps
  double c = Const::speedOfLight / 1000.; // cm ps-1
  double lB0  = tauB * bg * c;
 
  //tube length here set to 20 * 2 * c tau beta gamma ~= 0.5 cm, should be enough to not bias the decay
  //time but should still help getting rid of some pions from kshorts
  m_constraintCov.ResizeTo(3, 3);
  if (m_constraintType == "IP")         tie(m_constraintCenter, m_constraintCov) = findConstraintBoost(2 * lB0);
  else if (m_constraintType == "tube")  tie(m_constraintCenter, m_constraintCov) = findConstraintBTube(Breco, 200 * lB0);
  else if (m_constraintType == "boost") tie(m_constraintCenter, m_constraintCov) = findConstraintBoost(200 * lB0);
  else if (m_constraintType == "breco") tie(m_constraintCenter, m_constraintCov) = findConstraint(Breco, 200 * lB0);
  else if (m_constraintType == "noConstraint") m_constraintCenter = ROOT::Math::XYZVector(); //zero vector
  else  {
    B2ERROR("TagVertex: Invalid constraintType selected");
    return false;
  }
 
  if (m_constraintCenter == vecNaN) {
    B2ERROR("TagVertex: No correct fit constraint");
    return false;
  }
 
  /* Depending on the user's choice, one of the possible algorithms is chosen for the fit. In case the algorithm does not converge, in order to assure
     high efficiency, the next algorithm less restrictive is used. I.e, if standard_PXD does not work, the program tries with standard.
  */
 
  m_FitType = 0;
  double minPVal = (m_fitAlgo != "KFit") ? 0.001 : 0.;
  bool ok = false;
 
  if (m_trackFindingType == "standard_PXD") {
    m_tagParticles = getTagTracks_standardAlgorithm(Breco, 1);
    if (m_tagParticles.size() > 0) {
      ok = makeGeneralFit();
      m_FitType = 3;
    }
  }
 
  if (ok == false || m_fitPval < minPVal || m_trackFindingType == "standard") {
    m_tagParticles = getTagTracks_standardAlgorithm(Breco, m_reqPXDHits);
    ok = m_tagParticles.size() > 0;
    if (ok) {
      ok = makeGeneralFit();
      m_FitType = 4;
    }
  }
 
  if ((ok == false || (m_fitPval <= 0. && m_fitAlgo == "Rave")) && m_constraintType != "noConstraint") {
    tie(m_constraintCenter, m_constraintCov) = findConstraintBoost(200 * lB0);
    ok = (m_constraintCenter != vecNaN);
    if (ok) {
      m_tagParticles = getTagTracks_standardAlgorithm(Breco, m_reqPXDHits);
      ok = (m_tagParticles.size() > 0);
    }
    if (ok) {
      ok = makeGeneralFit();
      m_FitType = 5;
    }
  }
 
  return ok;
}

◆ doVertexFitForBTube()

Particle * doVertexFitForBTube	(	const Particle *	mother,
		std::string	fitType
	)		const

private

it returns an intersection between B rec and beam spot (= origin of BTube)

Definition at line 935 of file TagVertexModule.cc.

{
  //make a copy of motherIn to not modify the original object
  Particle* mother = ParticleCopy::copyParticle(motherIn);
 
  //Here rave is used to find the upsilon(4S) vtx as the intersection
  //between the mother B trajectory and the beam spot
  analysis::RaveSetup::getInstance()->setBeamSpot(m_BeamSpotCenter, m_BeamSpotCov);
 
  analysis::RaveVertexFitter rsg;
  rsg.addTrack(mother);
  int nvert = rsg.fit(fitType);
  if (nvert != 1) {
    mother->setPValue(-1); //error
    return mother;
  } else {
    rsg.updateDaughters();
    return mother;
  }
}

◆ endRun()

virtual void endRun ( void )

inlinevirtualinherited

This method is called if the current run ends.

Use this method to store information, which should be aggregated over one run.

This method can be implemented by subclasses.

Definition at line 165 of file Module.h.

165{};

◆ evalCondition()

bool evalCondition ( ) const

inherited

If at least one condition was set, it is evaluated and true returned if at least one condition returns true.

If no condition or result value was defined, the method returns false. Otherwise, the condition is evaluated and true returned, if at least one condition returns true. To speed up the evaluation, the condition strings were already parsed in the method if_value().

Returns: True if at least one condition and return value exists and at least one condition expression was evaluated to true.

Definition at line 96 of file Module.cc.

{
  if (m_conditions.empty()) return false;
 
  //okay, a condition was set for this Module...
  if (!m_hasReturnValue) {
    B2FATAL("A condition was set for '" << getName() << "', but the module did not set a return value!");
  }
 
  for (const auto& condition : m_conditions) {
    if (condition.evaluate(m_returnValue)) {
      return true;
    }
  }
  return false;
}

◆ event()

void event ( void )

overridevirtual

Event processor.

Reimplemented from Module.

Definition at line 155 of file TagVertexModule.cc.

{
  if (!m_plist) {
    B2ERROR("TagVertexModule: ParticleList " << m_listName << " not found");
    return;
  }
 
  // output
  analysis::RaveSetup::initialize(1, m_Bfield);
 
  std::vector<unsigned int> toRemove;
 
  for (unsigned i = 0; i < m_plist->getListSize(); ++i) {
    resetReturnParams();
 
    Particle* particle =  m_plist->getParticle(i);
    if (m_useMCassociation == "breco" || m_useMCassociation == "internal") BtagMCVertex(particle);
    bool ok = doVertexFit(particle);
    if (ok) deltaT(particle);
 
    if ((m_fitPval < m_confidenceLevel && m_confidenceLevel != 0)
        || (m_fitPval <= m_confidenceLevel && m_confidenceLevel == 0)) {
      toRemove.push_back(particle->getArrayIndex());
    } else {
      // save information in the Vertex StoreArray
      TagVertex* ver = m_verArray.appendNew();
      // create relation: Particle <-> Vertex
      particle->addRelationTo(ver);
      // fill Vertex with content
      if (ok) {
        ver->setTagVertex(m_tagV);
        ver->setTagVertexErrMatrix(m_tagVErrMatrix);
        ver->setTagVertexPval(m_fitPval);
        ver->setDeltaT(m_deltaT);
        ver->setDeltaTErr(m_deltaTErr);
        ver->setMCTagVertex(m_mcTagV);
        ver->setMCTagBFlavor(m_mcPDG);
        ver->setMCDeltaTau(m_mcDeltaTau);
        ver->setMCDeltaT(m_mcDeltaT);
        ver->setFitType(m_FitType);
        ver->setNTracks(m_tagParticles.size());
        ver->setTagVl(m_tagVl);
        ver->setTruthTagVl(m_truthTagVl);
        ver->setTagVlErr(m_tagVlErr);
        ver->setTagVol(m_tagVol);
        ver->setTruthTagVol(m_truthTagVol);
        ver->setTagVolErr(m_tagVolErr);
        ver->setTagVNDF(m_tagVNDF);
        ver->setTagVChi2(m_tagVChi2);
        ver->setTagVChi2IP(m_tagVChi2IP);
        ver->setVertexFitParticles(m_raveParticles);
        ver->setVertexFitMCParticles(m_raveMCParticles);
        ver->setRaveWeights(m_raveWeights);
        ver->setConstraintType(m_constraintType);
        ver->setConstraintCenter(m_constraintCenter);
        ver->setConstraintCov(m_constraintCov);
        ver->setFitTruthStatus(m_fitTruthStatus);
        ver->setRollBackStatus(m_rollbackStatus);
      } else {
        ver->setTagVertex(m_tagV);
        ver->setTagVertexPval(-1.);
        ver->setDeltaT(m_deltaT);
        ver->setDeltaTErr(m_deltaTErr);
        ver->setMCTagVertex(m_mcTagV);
        ver->setMCTagBFlavor(0.);
        ver->setMCDeltaTau(m_mcDeltaTau);
        ver->setMCDeltaT(m_mcDeltaT);
        ver->setFitType(m_FitType);
        ver->setNTracks(m_tagParticles.size());
        ver->setTagVl(m_tagVl);
        ver->setTruthTagVl(m_truthTagVl);
        ver->setTagVlErr(m_tagVlErr);
        ver->setTagVol(m_tagVol);
        ver->setTruthTagVol(m_truthTagVol);
        ver->setTagVolErr(m_tagVolErr);
        ver->setTagVNDF(-1111.);
        ver->setTagVChi2(-1111.);
        ver->setTagVChi2IP(-1111.);
        ver->setVertexFitParticles(m_raveParticles);
        ver->setVertexFitMCParticles(m_raveMCParticles);
        ver->setRaveWeights(m_raveWeights);
        ver->setConstraintType(m_constraintType);
        ver->setConstraintCenter(m_constraintCenter);
        ver->setConstraintCov(m_constraintCov);
        ver->setFitTruthStatus(m_fitTruthStatus);
        ver->setRollBackStatus(m_rollbackStatus);
      }
    }
  }
  m_plist->removeParticles(toRemove);
 
  //free memory allocated by rave. initialize() would be enough, except that we must clean things up before program end...
  //
  analysis::RaveSetup::getInstance()->reset();
}

◆ exposePythonAPI()

void exposePythonAPI ( )

staticinherited

Exposes methods of the Module class to Python.

Definition at line 325 of file Module.cc.

{
  // to avoid confusion between std::arg and boost::python::arg we want a shorthand namespace as well
  namespace bp = boost::python;
 
  docstring_options options(true, true, false); //userdef, py sigs, c++ sigs
 
  void (Module::*setReturnValueInt)(int) = &Module::setReturnValue;
 
  enum_<Module::EAfterConditionPath>("AfterConditionPath",
                                     R"(Determines execution behaviour after a conditional path has been executed:
 
.. attribute:: END
 
  End processing of this path after the conditional path. (this is the default for if_value() etc.)
 
.. attribute:: CONTINUE
 
  After the conditional path, resume execution after this module.)")
  .value("END", Module::EAfterConditionPath::c_End)
  .value("CONTINUE", Module::EAfterConditionPath::c_Continue)
  ;
 
  /* Do not change the names of >, <, ... we use them to serialize conditional paths */
  enum_<Belle2::ModuleCondition::EConditionOperators>("ConditionOperator")
  .value(">", Belle2::ModuleCondition::EConditionOperators::c_GT)
  .value("<", Belle2::ModuleCondition::EConditionOperators::c_ST)
  .value(">=", Belle2::ModuleCondition::EConditionOperators::c_GE)
  .value("<=", Belle2::ModuleCondition::EConditionOperators::c_SE)
  .value("==", Belle2::ModuleCondition::EConditionOperators::c_EQ)
  .value("!=", Belle2::ModuleCondition::EConditionOperators::c_NE)
  ;
 
  enum_<Module::EModulePropFlags>("ModulePropFlags",
                                  R"(Flags to indicate certain low-level features of modules, see :func:`Module.set_property_flags()`, :func:`Module.has_properties()`. Most useful flags are:
 
.. attribute:: PARALLELPROCESSINGCERTIFIED
 
    This module can be run in parallel processing mode safely (All I/O must be done through the data store, in particular, the module must not write any files.)
 
.. attribute:: HISTOGRAMMANAGER
 
  This module is used to manage histograms accumulated by other modules
 
.. attribute:: TERMINATEINALLPROCESSES
 
  When using parallel processing, call this module's terminate() function in all processes. This will also ensure that there is exactly one process (single-core if no parallel modules found) or at least one input, one main and one output process.
)")
  .value("INPUT", Module::EModulePropFlags::c_Input)
  .value("OUTPUT", Module::EModulePropFlags::c_Output)
  .value("PARALLELPROCESSINGCERTIFIED", Module::EModulePropFlags::c_ParallelProcessingCertified)
  .value("HISTOGRAMMANAGER", Module::EModulePropFlags::c_HistogramManager)
  .value("INTERNALSERIALIZER", Module::EModulePropFlags::c_InternalSerializer)
  .value("TERMINATEINALLPROCESSES", Module::EModulePropFlags::c_TerminateInAllProcesses)
  ;
 
  //Python class definition
  class_<Module, PyModule> module("Module", R"(
Base class for Modules.
 
A module is the smallest building block of the framework.
A typical event processing chain consists of a Path containing
modules. By inheriting from this base class, various types of
modules can be created. To use a module, please refer to
:func:`Path.add_module()`.  A list of modules is available by running
``basf2 -m`` or ``basf2 -m package``, detailed information on parameters is
given by e.g. ``basf2 -m RootInput``.
 
The 'Module Development' section in the manual provides detailed information
on how to create modules, setting parameters, or using return values/conditions:
https://xwiki.desy.de/xwiki/rest/p/f4fa4/#HModuleDevelopment
 
)");
  module
  .def("__str__", &Module::getPathString)
  .def("name", &Module::getName, return_value_policy<copy_const_reference>(),
       "Returns the name of the module. Can be changed via :func:`set_name() <Module.set_name()>`, use :func:`type() <Module.type()>` for identifying a particular module class.")
  .def("type", &Module::getType, return_value_policy<copy_const_reference>(),
       "Returns the type of the module (i.e. class name minus 'Module')")
  .def("set_name", &Module::setName, args("name"), R"(
Set custom name, e.g. to distinguish multiple modules of the same type.
 
>>> path.add_module('EventInfoSetter')
>>> ro = path.add_module('RootOutput', branchNames=['EventMetaData'])
>>> ro.set_name('RootOutput_metadata_only')
>>> print(path)
[EventInfoSetter -> RootOutput_metadata_only]
 
)")
  .def("description", &Module::getDescription, return_value_policy<copy_const_reference>(),
       "Returns the description of this module.")
  .def("package", &Module::getPackage, return_value_policy<copy_const_reference>(),
       "Returns the package this module belongs to.")
  .def("available_params", &_getParamInfoListPython,
       "Return list of all module parameters as `ModuleParamInfo` instances")
  .def("has_properties", &Module::hasProperties, (bp::arg("properties")),
       R"DOCSTRING(Allows to check if the module has the given properties out of `ModulePropFlags` set.
 
>>> if module.has_properties(ModulePropFlags.PARALLELPROCESSINGCERTIFIED):
>>>     ...
 
Parameters:
  properties (int): bitmask of `ModulePropFlags` to check for.
)DOCSTRING")
  .def("set_property_flags", &Module::setPropertyFlags, args("property_mask"),
       "Set module properties in the form of an OR combination of `ModulePropFlags`.");
  {
    // python signature is too crowded, make ourselves
    docstring_options subOptions(true, false, false); //userdef, py sigs, c++ sigs
    module
    .def("if_value", &Module::if_value,
         (bp::arg("expression"), bp::arg("condition_path"), bp::arg("after_condition_path")= Module::EAfterConditionPath::c_End),
         R"DOCSTRING(if_value(expression, condition_path, after_condition_path=AfterConditionPath.END)
 
Sets a conditional sub path which will be executed after this
module if the return value set in the module passes the given ``expression``.
 
Modules can define a return value (int or bool) using ``setReturnValue()``,
which can be used in the steering file to split the Path based on this value, for example
 
>>> module_with_condition.if_value("<1", another_path)
 
In case the return value of the ``module_with_condition`` for a given event is
less than 1, the execution will be diverted into ``another_path`` for this event.
 
You could for example set a special return value if an error occurs, and divert
the execution into a path containing :b2:mod:`RootOutput` if it is found;
saving only the data producing/produced by the error.
 
After a conditional path has executed, basf2 will by default stop processing
the path for this event. This behaviour can be changed by setting the
``after_condition_path`` argument.
 
Parameters:
  expression (str): Expression to determine if the conditional path should be executed.
      This should be one of the comparison operators ``<``, ``>``, ``<=``,
      ``>=``, ``==``, or ``!=`` followed by a numerical value for the return value
  condition_path (Path): path to execute in case the expression is fulfilled
  after_condition_path (AfterConditionPath): What to do once the ``condition_path`` has been executed.
)DOCSTRING")
    .def("if_false", &Module::if_false,
         (bp::arg("condition_path"), bp::arg("after_condition_path")= Module::EAfterConditionPath::c_End),
         R"DOC(if_false(condition_path, after_condition_path=AfterConditionPath.END)
 
Sets a conditional sub path which will be executed after this module if
the return value of the module evaluates to False. This is equivalent to
calling `if_value` with ``expression=\"<1\"``)DOC")
    .def("if_true", &Module::if_true,
         (bp::arg("condition_path"), bp::arg("after_condition_path")= Module::EAfterConditionPath::c_End),
         R"DOC(if_true(condition_path, after_condition_path=AfterConditionPath.END)
 
Sets a conditional sub path which will be executed after this module if
the return value of the module evaluates to True. It is equivalent to
calling `if_value` with ``expression=\">=1\"``)DOC");
  }
  module
  .def("has_condition", &Module::hasCondition,
       "Return true if a conditional path has been set for this module "
       "using `if_value`, `if_true` or `if_false`")
  .def("get_all_condition_paths", &_getAllConditionPathsPython,
       "Return a list of all conditional paths set for this module using "
       "`if_value`, `if_true` or `if_false`")
  .def("get_all_conditions", &_getAllConditionsPython,
       "Return a list of all conditional path expressions set for this module using "
       "`if_value`, `if_true` or `if_false`")
  .add_property("logging", make_function(&Module::getLogConfig, return_value_policy<reference_existing_object>()),
                &Module::setLogConfig)

◆ fillParticles()

void fillParticles ( std::vector< ParticleAndWeight > & particleAndWeights )

private

Fill sorted list of particles into external variable.

Definition at line 651 of file TagVertexModule.cc.

{
  unsigned n = particleAndWeights.size();
  sort(particleAndWeights.begin(), particleAndWeights.end(),
  [](const ParticleAndWeight & a, const ParticleAndWeight & b) { return a.weight > b.weight; });
 
  m_raveParticles.resize(n);
  m_raveWeights.resize(n);
  m_raveMCParticles.resize(n);
 
  for (unsigned i = 0; i < n; ++i) {
    m_raveParticles.at(i) = particleAndWeights.at(i).particle;
    m_raveMCParticles.at(i) = particleAndWeights.at(i).mcParticle;
    m_raveWeights.at(i) = particleAndWeights.at(i).weight;
  }
}

◆ fillTagVinfo()

void fillTagVinfo	(	const ROOT::Math::XYZVector &	tagVpos,
		const TMatrixDSym &	tagVposErr
	)

private

Fill tagV vertex info.

Definition at line 668 of file TagVertexModule.cc.

{
  m_tagV = tagVpos;
 
  if (m_constraintType != "noConstraint") {
    TMatrixDSym tubeInv = m_constraintCov;
    tubeInv.Invert();
    TVectorD dV = toVec(m_tagV - m_BeamSpotCenter);
    m_tagVChi2IP = tubeInv.Similarity(dV);
  }
 
  m_tagVErrMatrix.ResizeTo(tagVposErr);
  m_tagVErrMatrix = tagVposErr;
}

◆ findConstraint()

pair< ROOT::Math::XYZVector, TMatrixDSym > findConstraint	(	const Particle *	Breco,
		double	cut
	)		const

private

calculate the constraint for the vertex fit on the tag side using Breco information

Definition at line 350 of file TagVertexModule.cc.

{
  if (Breco->getPValue() < 0.) return make_pair(vecNaN, matNaN);
 
  TMatrixDSym beamSpotCov(3);
  beamSpotCov = m_beamSpotDB->getCovVertex();
 
  analysis::RaveSetup::getInstance()->setBeamSpot(m_BeamSpotCenter, beamSpotCov);
 
  double pmag = Breco->getMomentumMagnitude();
  double xmag = (Breco->getVertex() - m_BeamSpotCenter).R();
 
 
  TMatrixDSym TerrMatrix = Breco->getMomentumVertexErrorMatrix();
  TMatrixDSym PerrMatrix(7);
 
  for (int i = 0; i < 3; ++i) {
    for (int j = 0; j < 3; ++j) {
      if (i == j) {
        PerrMatrix(i, j) = (beamSpotCov(i, j) + TerrMatrix(i, j)) * pmag / xmag;
      } else {
        PerrMatrix(i, j) = TerrMatrix(i, j);
      }
      PerrMatrix(i + 4, j + 4) = TerrMatrix(i + 4, j + 4);
    }
  }
 
  PerrMatrix(3, 3) = 0.;
 
  //Copy Breco, but use errors as are in PerrMatrix
  Particle* Breco2 = ParticleCopy::copyParticle(Breco);
  Breco2->setMomentumVertexErrorMatrix(PerrMatrix);
 
 
  const Particle* BRecoRes = doVertexFitForBTube(Breco2, "kalman");
  if (BRecoRes->getPValue() < 0) return make_pair(vecNaN, matNaN); //problems
 
  // Overall error matrix
  TMatrixDSym errFinal = TMatrixDSym(Breco->getVertexErrorMatrix() + BRecoRes->getVertexErrorMatrix());
 
  // TODO : to be developed the extraction of the momentum from the rave fitted track
 
  // Get expected pBtag 4-momentum using transverse-momentum conservation
  ROOT::Math::XYZVector BvertDiff = pmag * (Breco->getVertex() - BRecoRes->getVertex()).Unit();
  ROOT::Math::PxPyPzMVector pBrecEstimate(BvertDiff.X(), BvertDiff.Y(), BvertDiff.Z(), Breco->getPDGMass());
  ROOT::Math::PxPyPzMVector pBtagEstimate = PCmsLabTransform::labToCms(pBrecEstimate);
  pBtagEstimate.SetPxPyPzE(-pBtagEstimate.px(), -pBtagEstimate.py(), -pBtagEstimate.pz(), pBtagEstimate.E());
  pBtagEstimate = PCmsLabTransform::cmsToLab(pBtagEstimate);
 
  // rotate err-matrix such that pBrecEstimate goes to eZ
  TMatrixD TubeZ = rotateTensorInv(pBrecEstimate.Vect(), errFinal);
 
  TubeZ(2, 2) = cut * cut;
  TubeZ(2, 0) = 0; TubeZ(0, 2) = 0;
  TubeZ(2, 1) = 0; TubeZ(1, 2) = 0;
 
 
  // rotate err-matrix such that eZ goes to pBtagEstimate
  TMatrixD Tube = rotateTensor(B2Vector3D(pBtagEstimate.Vect()), TubeZ);
 
  // Standard algorithm needs no shift
  return make_pair(m_BeamSpotCenter, toSymMatrix(Tube));
}

◆ findConstraintBoost()

pair< ROOT::Math::XYZVector, TMatrixDSym > findConstraintBoost ( double cut ) const

private

calculate the standard constraint for the vertex fit on the tag side

Definition at line 498 of file TagVertexModule.cc.

{
  double d = 20e-4; //average transverse distance flown by B0
 
  //make a long error matrix along boost direction
  TMatrixD longerror(3, 3); longerror(2, 2) = cut * cut;
  longerror(0, 0) = longerror(1, 1) = d * d;
 
  B2Vector3D boostDir = PCmsLabTransform().getBoostVector().Unit();
 
  TMatrixD longerrorRotated = rotateTensor(boostDir, longerror);
 
  //Extend error of BeamSpotCov matrix in the boost direction
  TMatrixDSym beamSpotCov = m_beamSpotDB->getCovVertex();
  TMatrixD Tube = TMatrixD(beamSpotCov) + longerrorRotated;
 
  // Standard algorithm needs no shift
  ROOT::Math::XYZVector constraintCenter = m_BeamSpotCenter;
 
  return make_pair(constraintCenter, toSymMatrix(Tube));
}

◆ findConstraintBTube()

pair< ROOT::Math::XYZVector, TMatrixDSym > findConstraintBTube	(	const Particle *	Breco,
		double	cut
	)

private

calculate constraint for the vertex fit on the tag side using the B tube (cylinder along the expected BTag line of flights

Definition at line 414 of file TagVertexModule.cc.

{
  //Use Breco as the creator of the B tube.
  if ((Breco->getVertexErrorMatrix()(2, 2)) == 0.0) {
    B2WARNING("In TagVertexModule::findConstraintBTube: cannot get a proper vertex for BReco. BTube constraint replaced by Boost.");
    return findConstraintBoost(cut);
  }
 
 
  //vertex fit will give the intersection between the beam spot and the trajectory of the B
  //(base of the BTube, or primary vtx cov matrix)
  const Particle* tubecreatorBCopy = doVertexFitForBTube(Breco, "avf");
  if (tubecreatorBCopy->getPValue() < 0) return make_pair(vecNaN, matNaN); //if problems
 
 
  //get direction of B tag = opposite direction of B rec in CMF
  ROOT::Math::PxPyPzEVector pBrec = tubecreatorBCopy->get4Vector();
 
  //if we want the true info, replace the 4vector by the true one
  if (m_useTruthInFit) {
    const MCParticle* mcBr = Breco->getRelated<MCParticle>();
    if (mcBr)
      pBrec = mcBr->get4Vector();
    else
      m_fitTruthStatus = 2;
  }
  ROOT::Math::PxPyPzEVector pBtag = PCmsLabTransform::labToCms(pBrec);
  pBtag.SetPxPyPzE(-pBtag.px(), -pBtag.py(), -pBtag.pz(), pBtag.E());
  pBtag = PCmsLabTransform::cmsToLab(pBtag);
 
  //To create the B tube, strategy is: take the primary vtx cov matrix, and add to it a cov
  //matrix corresponding to an very big error in the direction of the B tag
  TMatrixDSym pv = tubecreatorBCopy->getVertexErrorMatrix();
 
  //print some stuff if wanted
  if (m_verbose) {
    B2DEBUG(10, "Brec decay vertex before fit: " << printVector(Breco->getVertex()));
    B2DEBUG(10, "Brec decay vertex after fit: " << printVector(tubecreatorBCopy->getVertex()));
    B2DEBUG(10, "Brec direction before fit: " << printVector(float(1. / Breco->getP()) * Breco->getMomentum()));
    B2DEBUG(10, "Brec direction after fit: " << printVector(float(1. / tubecreatorBCopy->getP()) * tubecreatorBCopy->getMomentum()));
    B2DEBUG(10, "IP position: " << printVector(ROOT::Math::XYZVector(m_BeamSpotCenter.X(), m_BeamSpotCenter.Y(),
                                               m_BeamSpotCenter.Z())));
    B2DEBUG(10, "IP covariance: " << printMatrix(m_BeamSpotCov));
    B2DEBUG(10, "Brec primary vertex: " << printVector(tubecreatorBCopy->getVertex()));
    B2DEBUG(10, "Brec PV covariance: " << printMatrix(pv));
    B2DEBUG(10, "BTag direction: " << printVector((1. / pBtag.P())*pBtag.Vect()));
  }
 
  //make a long error matrix along BTag direction
  TMatrixD longerror(3, 3); longerror(2, 2) = cut * cut;
 
 
  // make rotation matrix from z axis to BTag line of flight
  TMatrixD longerrorRotated = rotateTensor(B2Vector3D(pBtag.Vect()), longerror);
 
  //pvNew will correspond to the covariance matrix of the B tube
  TMatrixD pvNew = TMatrixD(pv) + longerrorRotated;
 
  //set the constraint
  ROOT::Math::XYZVector constraintCenter = tubecreatorBCopy->getVertex();
 
  //if we want the true info, set the centre of the constraint to the primary vertex
  if (m_useTruthInFit) {
    const MCParticle* mcBr = Breco->getRelated<MCParticle>();
    if (mcBr) {
      constraintCenter = mcBr->getProductionVertex();
    }
  }
 
  if (m_verbose) {
    B2DEBUG(10, "IPTube covariance: " << printMatrix(pvNew));
  }
 
  //The following is done to do the BTube constraint with a virtual track
  //(ie KFit way)
 
  m_tagMomentum = pBtag;
 
  m_pvCov.ResizeTo(pv);
  m_pvCov = pv;
 
  return make_pair(constraintCenter, toSymMatrix(pvNew));
}

◆ getAfterConditionPath()

Module::EAfterConditionPath getAfterConditionPath ( ) const

inherited

What to do after the conditional path is finished.

(defaults to c_End if no condition is set)

Definition at line 133 of file Module.cc.

{
  if (m_conditions.empty()) return EAfterConditionPath::c_End;
 
  //okay, a condition was set for this Module...
  if (!m_hasReturnValue) {
    B2FATAL("A condition was set for '" << getName() << "', but the module did not set a return value!");
  }
 
  for (const auto& condition : m_conditions) {
    if (condition.evaluate(m_returnValue)) {
      return condition.getAfterConditionPath();
    }
  }
 
  return EAfterConditionPath::c_End;
}

◆ getAllConditionPaths()

std::vector< std::shared_ptr< Path > > getAllConditionPaths ( ) const

inherited

Return all condition paths currently set (no matter if the condition is true or not).

Definition at line 150 of file Module.cc.

{
  std::vector<std::shared_ptr<Path>> allConditionPaths;
  for (const auto& condition : m_conditions) {
    allConditionPaths.push_back(condition.getPath());
  }
 
  return allConditionPaths;
}

◆ getAllConditions()

const std::vector< ModuleCondition > & getAllConditions ( ) const

inlineinherited

Return all set conditions for this module.

Definition at line 323 of file Module.h.

    {
      return m_conditions;
    }

◆ getBeamSpot()

const BeamSpot & getBeamSpot ( ) const

inline

returns the BeamSpot object

Definition at line 90 of file TagVertexModule.h.

90{ return *m_beamSpotDB; }

◆ getCondition()

const ModuleCondition * getCondition ( ) const

inlineinherited

Return a pointer to the first condition (or nullptr, if none was set)

Definition at line 313 of file Module.h.

    {
      if (m_conditions.empty()) {
        return nullptr;
      } else {
        return &m_conditions.front();
      }
    }

◆ getConditionPath()

std::shared_ptr< Path > getConditionPath ( ) const

inherited

Returns the path of the last true condition (if there is at least one, else reaturn a null pointer).

Definition at line 113 of file Module.cc.

{
  PathPtr p;
  if (m_conditions.empty()) return p;
 
  //okay, a condition was set for this Module...
  if (!m_hasReturnValue) {
    B2FATAL("A condition was set for '" << getName() << "', but the module did not set a return value!");
  }
 
  for (const auto& condition : m_conditions) {
    if (condition.evaluate(m_returnValue)) {
      return condition.getPath();
    }
  }
 
  // if none of the conditions were true, return a null pointer.
  return p;
}

◆ getDescription()

const std::string & getDescription ( ) const

inlineinherited

Returns the description of the module.

Definition at line 201 of file Module.h.

201{return m_description;}

Belle2::Module::m_description

std::string m_description

The description of the module.

Definition: Module.h:510

◆ getFileNames()

virtual std::vector< std::string > getFileNames ( bool outputFiles )

inlinevirtualinherited

Return a list of output filenames for this modules.

This will be called when basf2 is run with "--dry-run" if the module has set either the c_Input or c_Output properties.

If the parameter outputFiles is false (for modules with c_Input) the list of input filenames should be returned (if any). If outputFiles is true (for modules with c_Output) the list of output files should be returned (if any).

If a module has sat both properties this member is called twice, once for each property.

The module should return the actual list of requested input or produced output filenames (including handling of input/output overrides) so that the grid system can handle input/output files correctly.

This function should return the same value when called multiple times. This is especially important when taking the input/output overrides from Environment as they get consumed when obtained so the finalized list of output files should be stored for subsequent calls.

Reimplemented in RootInputModule, StorageRootOutputModule, and RootOutputModule.

Definition at line 133 of file Module.h.

    {
      return std::vector<std::string>();
    }

◆ getLogConfig()

LogConfig & getLogConfig ( )

inlineinherited

Returns the log system configuration.

Definition at line 224 of file Module.h.

224{return m_logConfig;}

◆ getModules()

std::list< ModulePtr > getModules ( ) const

inlineoverrideprivatevirtualinherited

no submodules, return empty list

Implements PathElement.

Definition at line 505 of file Module.h.

505{ return std::list<ModulePtr>(); }

◆ getName()

const std::string & getName ( ) const

inlineinherited

Returns the name of the module.

This can be changed via e.g. set_name() in the steering file to give more useful names if there is more than one module of the same type.

For identifying the type of a module, using getType() (or type() in Python) is recommended.

Definition at line 186 of file Module.h.

186{return m_name;}

Belle2::Module::m_name

std::string m_name

The name of the module, saved as a string (user-modifiable)

Definition: Module.h:507

◆ getPackage()

const std::string & getPackage ( ) const

inlineinherited

Returns the package this module is in.

Definition at line 196 of file Module.h.

196{return m_package;}

◆ getParamInfoListPython()

std::shared_ptr< boost::python::list > getParamInfoListPython ( ) const

inherited

Returns a python list of all parameters.

Each item in the list consists of the name of the parameter, a string describing its type, a python list of all default values and the description of the parameter.

Returns: A python list containing the parameters of this parameter list.

Definition at line 279 of file Module.cc.

{
  return m_moduleParamList.getParamInfoListPython();
}

◆ getParamList()

const ModuleParamList & getParamList ( ) const

inlineinherited

Return module param list.

Definition at line 362 of file Module.h.

362{ return m_moduleParamList; }

◆ getParticlesAndWeights()

vector< ParticleAndWeight > getParticlesAndWeights ( const std::vector< const Particle * > & tagParticles ) const

private

Get a list of particles with attached weight and associated MC particle.

Definition at line 622 of file TagVertexModule.cc.

{
  vector<ParticleAndWeight> particleAndWeights;
 
  for (const Particle* particle : tagParticles) {
    ROOT::Math::PxPyPzEVector mom = particle->get4Vector();
    if (!isfinite(mom.mag2())) continue;
 
    ParticleAndWeight particleAndWeight;
    particleAndWeight.mcParticle = 0;
    particleAndWeight.weight = -1111.;
    particleAndWeight.particle = particle;
 
    if (m_useMCassociation == "breco" || m_useMCassociation == "internal")
      particleAndWeight.mcParticle = particle->getRelatedTo<MCParticle>();
 
    particleAndWeights.push_back(particleAndWeight);
  }
 
  return particleAndWeights;
}

◆ getPathString()

std::string getPathString ( ) const

overrideprivatevirtualinherited

return the module name.

Implements PathElement.

Definition at line 192 of file Module.cc.

{
 
  std::string output = getName();
 
  for (const auto& condition : m_conditions) {
    output += condition.getString();
  }
 
  return output;
}

◆ getReturnValue()

int getReturnValue ( ) const

inlineinherited

Return the return value set by this module.

This value is only meaningful if hasReturnValue() is true

Definition at line 380 of file Module.h.

380{ return m_returnValue; }

◆ getRollBackPoca()

ROOT::Math::XYZVector getRollBackPoca ( ParticleAndWeight const & paw )

private

This shifts the position of tracks by the vector difference of mother B and production point of track from truth info.

Definition at line 1002 of file TagVertexModule.cc.

{
  if (!paw.mcParticle) {
    B2ERROR("In TagVertexModule::getTruePoca: no MC particle set");
    return ROOT::Math::XYZVector(0., 0., 0.);
  }
 
  return paw.particle->getTrackFitResult()->getPosition() - paw.mcParticle->getProductionVertex() + ROOT::Math::XYZVector(m_mcTagV);
}

◆ getTagTracks_standardAlgorithm()

std::vector< const Particle * > getTagTracks_standardAlgorithm	(	const Particle *	Breco,
		int	nPXDHits
	)		const

private

performs the fit using the standard algorithm - using all tracks in RoE The user can specify a request on the PXD hits left by the tracks

Definition at line 602 of file TagVertexModule.cc.

{
  std::vector<const Particle*> fitParticles;
  const RestOfEvent* roe = Breco->getRelatedTo<RestOfEvent>();
  if (!roe) return fitParticles;
  //load all particles from the ROE
  std::vector<const Particle*> ROEParticles = roe->getChargedParticles(m_roeMaskName, 0, false);
  if (ROEParticles.size() == 0) return fitParticles;
 
  for (auto& ROEParticle : ROEParticles) {
    HitPatternVXD roeTrackPattern = ROEParticle->getTrackFitResult()->getHitPatternVXD();
 
    if (roeTrackPattern.getNPXDHits() >= reqPXDHits) {
      fitParticles.push_back(ROEParticle);
    }
  }
  return fitParticles;
}

◆ getTrackWithRollBackCoordinates()

TrackFitResult getTrackWithRollBackCoordinates ( ParticleAndWeight const & paw )

private

If the fit has to be done with the rolled back tracks, Rave or KFit is fed with a track where the position of track is shifted by the vector difference of mother B and production point of track from truth info The function below takes care of that.

Definition at line 989 of file TagVertexModule.cc.

{
  const TrackFitResult* tfr(paw.particle->getTrackFitResult());
 
  return TrackFitResult(getRollBackPoca(paw),
                        tfr->getMomentum(),
                        tfr->getCovariance6(),
                        tfr->getChargeSign(),
                        tfr->getParticleType(),
                        tfr->getPValue(),
                        m_Bfield, 0, 0, tfr->getNDF());
}

◆ getTrackWithTrueCoordinates()

TrackFitResult getTrackWithTrueCoordinates ( ParticleAndWeight const & paw ) const

private

If the fit has to be done with the truth info, Rave is fed with a track where the momentum is replaced by the true momentum and the position replaced by the point on the true particle trajectory closest to the measured track position The function below takes care of that.

Definition at line 958 of file TagVertexModule.cc.

{
  if (!paw.mcParticle) {
    B2ERROR("In TagVertexModule::getTrackWithTrueCoordinate: no MC particle set");
    return TrackFitResult();
  }
 
  const TrackFitResult* tfr(paw.particle->getTrackFitResult());
 
  return TrackFitResult(getTruePoca(paw),
                        paw.mcParticle->getMomentum(),
                        tfr->getCovariance6(),
                        tfr->getChargeSign(),
                        tfr->getParticleType(),
                        tfr->getPValue(),
                        m_Bfield, 0, 0, tfr->getNDF());
}

◆ getTruePoca()

ROOT::Math::XYZVector getTruePoca ( ParticleAndWeight const & paw )

staticprivate

This finds the point on the true particle trajectory closest to the measured track position.

Definition at line 977 of file TagVertexModule.cc.

{
  if (!paw.mcParticle) {
    B2ERROR("In TagVertexModule::getTruePoca: no MC particle set");
    return ROOT::Math::XYZVector(0., 0., 0.);
  }
 
  return DistanceTools::poca(paw.mcParticle->getProductionVertex(),
                             paw.mcParticle->getMomentum(),
                             paw.particle->getTrackFitResult()->getPosition());
}

◆ getType()

const std::string & getType ( ) const

inherited

Returns the type of the module (i.e.

class name minus 'Module')

Definition at line 41 of file Module.cc.

{
  if (m_type.empty())
    B2FATAL("Module type not set for " << getName());
  return m_type;
}

◆ hasCondition()

bool hasCondition ( ) const

inlineinherited

Returns true if at least one condition was set for the module.

Definition at line 310 of file Module.h.

310{ return not m_conditions.empty(); };

◆ hasProperties()

bool hasProperties ( unsigned int propertyFlags ) const

inherited

Returns true if all specified property flags are available in this module.

Parameters

propertyFlags Ored EModulePropFlags which should be compared with the module flags.

Definition at line 160 of file Module.cc.

{
  return (propertyFlags & m_propertyFlags) == propertyFlags;
}

◆ hasReturnValue()

bool hasReturnValue ( ) const

inlineinherited

Return true if this module has a valid return value set.

Definition at line 377 of file Module.h.

377{ return m_hasReturnValue; }

◆ hasUnsetForcedParams()

bool hasUnsetForcedParams ( ) const

inherited

Returns true and prints error message if the module has unset parameters which the user has to set in the steering file.

Definition at line 166 of file Module.cc.

{
  auto missing = m_moduleParamList.getUnsetForcedParams();
  std::string allMissing = "";
  for (const auto& s : missing)
    allMissing += s + " ";
  if (!missing.empty())
    B2ERROR("The following required parameters of Module '" << getName() << "' were not specified: " << allMissing <<
            "\nPlease add them to your steering file.");
  return !missing.empty();
}

◆ if_false()

void if_false	(	const std::shared_ptr< Path > &	path,
		EAfterConditionPath	afterConditionPath = `EAfterConditionPath::c_End`
	)

inherited

A simplified version to add a condition to the module.

Please note that successive calls of this function will add more than one condition to the module. If more than one condition results in true, only the last of them will be used.

Please be careful: Avoid creating cyclic paths, e.g. by linking a condition to a path which is processed before the path where this module is located in.

It is equivalent to the if_value() method, using the expression "<1". This method is meant to be used together with the setReturnValue(bool value) method.

Parameters

path	Shared pointer to the Path which will be executed if the return value is false.
afterConditionPath	What to do after executing 'path'.

Definition at line 85 of file Module.cc.

{
  if_value("<1", path, afterConditionPath);
}

◆ if_true()

void if_true	(	const std::shared_ptr< Path > &	path,
		EAfterConditionPath	afterConditionPath = `EAfterConditionPath::c_End`
	)

inherited

A simplified version to set the condition of the module.

Please note that successive calls of this function will add more than one condition to the module. If more than one condition results in true, only the last of them will be used.

Please be careful: Avoid creating cyclic paths, e.g. by linking a condition to a path which is processed before the path where this module is located in.

It is equivalent to the if_value() method, using the expression ">=1". This method is meant to be used together with the setReturnValue(bool value) method.

Parameters

path	Shared pointer to the Path which will be executed if the return value is true.
afterConditionPath	What to do after executing 'path'.

Definition at line 90 of file Module.cc.

{
  if_value(">=1", path, afterConditionPath);
}

◆ if_value()

void if_value	(	const std::string &	expression,
		const std::shared_ptr< Path > &	path,
		EAfterConditionPath	afterConditionPath = `EAfterConditionPath::c_End`
	)

inherited

Add a condition to the module.

Please note that successive calls of this function will add more than one condition to the module. If more than one condition results in true, only the last of them will be used.

See https://xwiki.desy.de/xwiki/rest/p/a94f2 or ModuleCondition for a description of the syntax.

Please be careful: Avoid creating cyclic paths, e.g. by linking a condition to a path which is processed before the path where this module is located in.

Parameters

expression	The expression of the condition.
path	Shared pointer to the Path which will be executed if the condition is evaluated to true.
afterConditionPath	What to do after executing 'path'.

Definition at line 79 of file Module.cc.

{
  m_conditions.emplace_back(expression, path, afterConditionPath);
}

◆ initialize()

void initialize ( void )

overridevirtual

Initialize the Module.

This method is called at the beginning of data processing.

Reimplemented from Module.

Definition at line 121 of file TagVertexModule.cc.

{
  // magnetic field
  m_Bfield = BFieldManager::getFieldInTesla(ROOT::Math::XYZVector(m_BeamSpotCenter)).Z();
  // RAVE setup
  analysis::RaveSetup::initialize(1, m_Bfield);
  B2INFO("TagVertexModule : magnetic field = " << m_Bfield);
  // truth fit status will be set to 2 only if the MC info cannot be recovered
  if (m_useTruthInFit) m_fitTruthStatus = 1;
  // roll back status will be set to 2 only if the MC info cannot be recovered
  if (m_useRollBack) m_rollbackStatus = 1;
 
  //input
  StoreArray<Particle>().isRequired();
  m_plist.isRequired(m_listName);
  // output
  m_verArray.registerInDataStore();
  StoreArray<Particle>().registerRelationTo(m_verArray);
  //check if the fitting algorithm name is set correctly
  if (m_fitAlgo != "Rave" && m_fitAlgo != "KFit")
    B2FATAL("TagVertexModule: invalid fitting algorithm (must be set to either Rave or KFit).");
  if (m_useRollBack && m_useTruthInFit)
    B2FATAL("TagVertexModule: invalid fitting option (useRollBack and useTruthInFit cannot be simultaneously set to true).");
  //temporary while the one track fit is broken
  if (m_trackFindingType == "singleTrack" || m_trackFindingType == "singleTrack_PXD")
    B2FATAL("TagVertexModule : the singleTrack option is temporarily broken.");
}

◆ makeGeneralFit()

bool makeGeneralFit ( )

private

TO DO: tag side vertex fit in the case of semileptonic tag side decay.

make the vertex fit on the tag side with chosen fit algorithm

Definition at line 644 of file TagVertexModule.cc.

{
  if (m_fitAlgo == "Rave") return makeGeneralFitRave();
  else if (m_fitAlgo == "KFit") return makeGeneralFitKFit();
  return false;
}

◆ makeGeneralFitKFit()

bool makeGeneralFitKFit ( )

private

make the vertex fit on the tag side: KFit tracks coming from Ks removed all other tracks used

Definition at line 839 of file TagVertexModule.cc.

{
  //feed KFit with tracks without Kshorts
  vector<ParticleAndWeight> particleAndWeights = getParticlesAndWeights(m_tagParticles);
 
  analysis::VertexFitKFit kFit;
 
 
  // iterative procedure which removes tracks with high chi2
  for (int iteration_counter = 0; iteration_counter < 100; ++iteration_counter) {
    analysis::VertexFitKFit kFitTemp =  doSingleKfit(particleAndWeights);
    if (!kFitTemp.isFitted() || isnan(kFitTemp.getCHIsq()))
      return false;
 
    double reduced_chi2 =  kFitTemp.getCHIsq() / kFitTemp.getNDF();
    int nTracks = kFitTemp.getTrackCount();
 
    if (nTracks != int(particleAndWeights.size()))
      B2ERROR("TagVertexModule: Different number of tracks in kFit and particles");
 
    if (reduced_chi2 <= m_kFitReqReducedChi2 ||  nTracks <= 1  || (nTracks <= 2 && m_constraintType == "noConstraint")) {
      kFit = kFitTemp;
      break;
    } else { // remove particle with highest chi2/ndf and continue
      int badTrackID =  getLargestChi2ID(kFitTemp);
      if (0 <= badTrackID && badTrackID < int(particleAndWeights.size()))
        particleAndWeights.erase(particleAndWeights.begin() + badTrackID);
      else
        B2ERROR("TagVertexModule: Obtained badTrackID is not within limits");
    }
 
  }
 
  //save the track info for later use
  //Tracks are sorted by weight, i.e. pushing the tracks with 0 weight (from KS) to the end of the list
  fillParticles(particleAndWeights);
 
  //Save the infos related to the vertex
  fillTagVinfo(CLHEPToROOT::getXYZVector(kFit.getVertex()),
               CLHEPToROOT::getTMatrixDSym(kFit.getVertexError()));
 
  m_tagVNDF = kFit.getNDF();
  m_tagVChi2 = kFit.getCHIsq();
  m_fitPval = TMath::Prob(m_tagVChi2, m_tagVNDF);
 
  return true;
}

◆ makeGeneralFitRave()

bool makeGeneralFitRave ( )

private

make the vertex fit on the tag side: RAVE AVF tracks coming from Ks removed all other tracks used

Definition at line 683 of file TagVertexModule.cc.

{
  // apply constraint
  analysis::RaveSetup::getInstance()->unsetBeamSpot();
  if (m_constraintType != "noConstraint")
    analysis::RaveSetup::getInstance()->setBeamSpot(m_constraintCenter, m_constraintCov);
  analysis::RaveVertexFitter rFit;
 
  //feed rave with tracks without Kshorts
  vector<ParticleAndWeight> particleAndWeights = getParticlesAndWeights(m_tagParticles);
 
  for (const auto& pw : particleAndWeights) {
    try {
      if (m_useTruthInFit) {
        if (pw.mcParticle) {
          TrackFitResult tfr(getTrackWithTrueCoordinates(pw));
          rFit.addTrack(&tfr);
        } else
          m_fitTruthStatus = 2;
      } else if (m_useRollBack) {
        if (pw.mcParticle) {
          TrackFitResult tfr(getTrackWithRollBackCoordinates(pw));
          rFit.addTrack(&tfr);
        } else
          m_rollbackStatus = 2;
      } else {
        rFit.addTrack(pw.particle->getTrackFitResult());
      }
    } catch (const rave::CheckedFloatException&) {
      B2ERROR("Exception caught in TagVertexModule::makeGeneralFitRave(): Invalid inputs (nan/inf)?");
    }
  }
 
  //perform fit
 
  int isGoodFit(-1);
 
  try {
    isGoodFit = rFit.fit("avf");
    // if problems
    if (isGoodFit < 1) return false;
  } catch (const rave::CheckedFloatException&) {
    B2ERROR("Exception caught in TagVertexModule::makeGeneralFitRave(): Invalid inputs (nan/inf)?");
    return false;
  }
 
  //save the track info for later use
 
  for (unsigned int i(0); i < particleAndWeights.size() && isGoodFit >= 1; ++i)
    particleAndWeights.at(i).weight = rFit.getWeight(i);
 
  //Tracks are sorted from highest rave weight to lowest
 
  fillParticles(particleAndWeights);
 
  //if the fit is good, save the infos related to the vertex
  fillTagVinfo(ROOT::Math::XYZVector(rFit.getPos(0)), rFit.getCov(0));
 
  //fill quality variables
  m_tagVNDF = rFit.getNdf(0);
  m_tagVChi2 = rFit.getChi2(0);
  m_fitPval = rFit.getPValue();
 
  return true;
}

◆ printMatrix() [1/2]

std::string printMatrix ( const TMatrixD & mat )

staticprivate

Print a TMatrix (useful for debugging)

Definition at line 1057 of file TagVertexModule.cc.

{
  std::ostringstream oss;
  int w = 14;
  for (int i = 0; i < mat.GetNrows(); ++i) {
    for (int j = 0; j < mat.GetNcols(); ++j) {
      oss << std::setw(w) << mat(i, j) << " ";
    }
    oss << endl;
  }
  return oss.str();
}

◆ printMatrix() [2/2]

std::string printMatrix ( const TMatrixDSym & mat )

staticprivate

Print a TMatrixFSym (useful for debugging)

Definition at line 1071 of file TagVertexModule.cc.

{
  std::ostringstream oss;
  int w = 14;
  for (int i = 0; i < mat.GetNrows(); ++i) {
    for (int j = 0; j < mat.GetNcols(); ++j) {
      oss << std::setw(w) << mat(i, j) << " ";
    }
    oss << endl;
  }
  return oss.str();
}

◆ printVector()

std::string printVector ( const ROOT::Math::XYZVector & vec )

staticprivate

Print a XYZVector (useful for debugging)

Definition at line 1048 of file TagVertexModule.cc.

{
  std::ostringstream oss;
  int w = 14;
  oss << "(" << std::setw(w) << vec.X() << ", " << std::setw(w) << vec.Y() << ", " << std::setw(w) << vec.Z() << ")" << std::endl;
  return oss.str();
}

◆ resetReturnParams()

void resetReturnParams ( )

private

Reset all parameters that are computed in each event and then used to compute tuple variables.

Definition at line 1012 of file TagVertexModule.cc.

{
  m_raveParticles.resize(0);
  m_raveMCParticles.resize(0);
  m_tagParticles.resize(0);
  m_raveWeights.resize(0);
 
  m_fitPval = realNaN;
  m_tagV = vecNaN;
  m_tagVErrMatrix.ResizeTo(matNaN);
  m_tagVErrMatrix = matNaN;
  m_mcTagV = vecNaN;
  m_mcVertReco = vecNaN;
  m_deltaT = realNaN;
  m_deltaTErr = realNaN;
  m_mcDeltaTau = realNaN;
  m_constraintCov.ResizeTo(matNaN);
  m_constraintCov = matNaN;
  m_constraintCenter = vecNaN;
  m_tagVl = realNaN;
  m_truthTagVl = realNaN;
  m_tagVlErr = realNaN;
  m_tagVol = realNaN;
  m_truthTagVol = realNaN;
  m_tagVolErr = realNaN;
  m_tagVNDF = realNaN;
  m_tagVChi2 = realNaN;
  m_tagVChi2IP = realNaN;
  m_pvCov.ResizeTo(matNaN);
  m_pvCov = matNaN;
  m_tagMomentum = ROOT::Math::PxPyPzEVector(realNaN, realNaN, realNaN, realNaN);
}

◆ setAbortLevel()

void setAbortLevel ( int abortLevel )

inherited

Configure the abort log level.

Definition at line 67 of file Module.cc.

{
  m_logConfig.setAbortLevel(static_cast<LogConfig::ELogLevel>(abortLevel));
}

◆ setDebugLevel()

void setDebugLevel ( int debugLevel )

inherited

Configure the debug messaging level.

Definition at line 61 of file Module.cc.

{
  m_logConfig.setDebugLevel(debugLevel);
}

◆ setDescription()

void setDescription ( const std::string & description )

protectedinherited

Sets the description of the module.

Parameters

description A description of the module.

Definition at line 214 of file Module.cc.

{
  m_description = description;
}

◆ setLogConfig()

void setLogConfig ( const LogConfig & logConfig )

inlineinherited

Set the log system configuration.

Definition at line 229 of file Module.h.

229{m_logConfig = logConfig;}

◆ setLogInfo()

void setLogInfo	(	int	logLevel,
		unsigned int	logInfo
	)

inherited

Configure the printed log information for the given level.

Parameters

logLevel	The log level (one of LogConfig::ELogLevel)
logInfo	What kind of info should be printed? ORed combination of LogConfig::ELogInfo flags.

Definition at line 73 of file Module.cc.

{
  m_logConfig.setLogInfo(static_cast<LogConfig::ELogLevel>(logLevel), logInfo);
}

◆ setLogLevel()

void setLogLevel ( int logLevel )

inherited

Configure the log level.

Definition at line 55 of file Module.cc.

{
  m_logConfig.setLogLevel(static_cast<LogConfig::ELogLevel>(logLevel));
}

◆ setName()

void setName ( const std::string & name )

inlineinherited

Set the name of the module.

Note: The module name is set when using the REG_MODULE macro, but the module can be renamed before calling process() using the set_name() function in your steering file.

Parameters

name	The name of the module

Definition at line 213 of file Module.h.

213{ m_name = name; };

◆ setParamList()

void setParamList ( const ModuleParamList & params )

inlineprotectedinherited

Replace existing parameter list.

Definition at line 500 of file Module.h.

500{ m_moduleParamList = params; }

◆ setParamPython()

void setParamPython	(	const std::string &	name,
		const boost::python::object &	pyObj
	)

privateinherited

Implements a method for setting boost::python objects.

The method supports the following types: list, dict, int, double, string, bool The conversion of the python object to the C++ type and the final storage of the parameter value is done in the ModuleParam class.

Parameters

name	The unique name of the parameter.
pyObj	The object which should be converted and stored as the parameter value.

Definition at line 234 of file Module.cc.

{
  LogSystem& logSystem = LogSystem::Instance();
  logSystem.updateModule(&(getLogConfig()), getName());
  try {
    m_moduleParamList.setParamPython(name, pyObj);
  } catch (std::runtime_error& e) {
    throw std::runtime_error("Cannot set parameter '" + name + "' for module '"
                             + m_name + "': " + e.what());
  }
 
  logSystem.updateModule(nullptr);
}

◆ setParamPythonDict()

void setParamPythonDict ( const boost::python::dict & dictionary )

privateinherited

Implements a method for reading the parameter values from a boost::python dictionary.

The key of the dictionary has to be the name of the parameter and the value has to be of one of the supported parameter types.

Parameters

dictionary The python dictionary from which the parameter values are read.

Definition at line 249 of file Module.cc.

{
 
  LogSystem& logSystem = LogSystem::Instance();
  logSystem.updateModule(&(getLogConfig()), getName());
 
  boost::python::list dictKeys = dictionary.keys();
  int nKey = boost::python::len(dictKeys);
 
  //Loop over all keys in the dictionary
  for (int iKey = 0; iKey < nKey; ++iKey) {
    boost::python::object currKey = dictKeys[iKey];
    boost::python::extract<std::string> keyProxy(currKey);
 
    if (keyProxy.check()) {
      const boost::python::object& currValue = dictionary[currKey];
      setParamPython(keyProxy, currValue);
    } else {
      B2ERROR("Setting the module parameters from a python dictionary: invalid key in dictionary!");
    }
  }
 
  logSystem.updateModule(nullptr);
}

◆ setPropertyFlags()

void setPropertyFlags ( unsigned int propertyFlags )

inherited

Sets the flags for the module properties.

Parameters

propertyFlags bitwise OR of EModulePropFlags

Definition at line 208 of file Module.cc.

{
  m_propertyFlags = propertyFlags;
}

◆ setReturnValue() [1/2]

void setReturnValue ( bool value )

protectedinherited

Sets the return value for this module as bool.

The bool value is saved as an integer with the convention 1 meaning true and 0 meaning false. The value can be used in the steering file to divide the analysis chain into several paths.

Parameters

value The value of the return value.

Definition at line 227 of file Module.cc.

{
  m_hasReturnValue = true;
  m_returnValue = value;
}

◆ setReturnValue() [2/2]

void setReturnValue ( int value )

protectedinherited

Sets the return value for this module as integer.

The value can be used in the steering file to divide the analysis chain into several paths.

Parameters

value The value of the return value.

Definition at line 220 of file Module.cc.

{
  m_hasReturnValue = true;
  m_returnValue = value;
}

◆ setType()

void setType ( const std::string & type )

protectedinherited

Set the module type.

Only for use by internal modules (which don't use the normal REG_MODULE mechanism).

Definition at line 48 of file Module.cc.

{
  if (!m_type.empty())
    B2FATAL("Trying to change module type from " << m_type << " is not allowed, the value is assumed to be fixed.");
  m_type = type;
}

◆ terminate()

virtual void terminate ( void )

inlinevirtualinherited

This method is called at the end of the event processing.

This method is called only once after the event processing finished. Use this method for cleaning up, closing files, etc.

This method can be implemented by subclasses.

Definition at line 175 of file Module.h.

175{};

Member Data Documentation

◆ m_BeamSpotCenter

ROOT::Math::XYZVector m_BeamSpotCenter

private

Beam spot position.

Definition at line 137 of file TagVertexModule.h.

◆ m_BeamSpotCov

TMatrixDSym m_BeamSpotCov

private

size of the beam spot == covariance matrix on the beam spot position

Definition at line 138 of file TagVertexModule.h.

◆ m_beamSpotDB

DBObjPtr<BeamSpot> m_beamSpotDB

private

Beam spot database object.

Definition at line 140 of file TagVertexModule.h.

◆ m_Bfield

double m_Bfield

private

magnetic field from data base

Definition at line 107 of file TagVertexModule.h.

◆ m_conditions

std::vector<ModuleCondition> m_conditions

privateinherited

Module condition, only non-null if set.

Definition at line 520 of file Module.h.

◆ m_confidenceLevel

double m_confidenceLevel

private

required fit confidence level

Definition at line 100 of file TagVertexModule.h.

◆ m_constraintCenter

ROOT::Math::XYZVector m_constraintCenter

private

centre position of the constraint for the tag Vertex fit

Definition at line 136 of file TagVertexModule.h.

◆ m_constraintCov

TMatrixDSym m_constraintCov

private

constraint to be used in the tag vertex fit

Definition at line 135 of file TagVertexModule.h.

◆ m_constraintType

std::string m_constraintType

private

Choose constraint: noConstraint, IP, tube, boost, (breco)

Definition at line 103 of file TagVertexModule.h.

◆ m_deltaT

double m_deltaT

private

reconstructed DeltaT

Definition at line 131 of file TagVertexModule.h.

◆ m_deltaTErr

double m_deltaTErr

private

reconstructed DeltaT error

Definition at line 132 of file TagVertexModule.h.

◆ m_description

std::string m_description

privateinherited

The description of the module.

Definition at line 510 of file Module.h.

◆ m_fitAlgo

std::string m_fitAlgo

private

Algorithm used for the tag fit (Rave or KFit)

Definition at line 151 of file TagVertexModule.h.

◆ m_fitPval

double m_fitPval

private

P value of the tag side fit result.

Definition at line 123 of file TagVertexModule.h.

◆ m_fitTruthStatus

int m_fitTruthStatus

private

Store info about whether the fit was performed with the truth info 0 fit performed with measured parameters 1 fit performed with true parameters 2 unable to recover truth parameters.

Definition at line 114 of file TagVertexModule.h.

◆ m_FitType

int m_FitType

private

fit algo used

Definition at line 141 of file TagVertexModule.h.

◆ m_hasReturnValue

bool m_hasReturnValue

privateinherited

True, if the return value is set.

Definition at line 517 of file Module.h.

◆ m_kFitReqReducedChi2

double m_kFitReqReducedChi2

private

The required chi2/ndf to accept the kFit result, if it is higher, iteration procedure is applied.

Definition at line 152 of file TagVertexModule.h.

◆ m_listName

std::string m_listName

private

Breco particle list name.

Definition at line 99 of file TagVertexModule.h.

◆ m_logConfig

LogConfig m_logConfig

privateinherited

The log system configuration of the module.

Definition at line 513 of file Module.h.

◆ m_mcDeltaT

double m_mcDeltaT

private

generated DeltaT with boost-direction approximation

Definition at line 134 of file TagVertexModule.h.

◆ m_mcDeltaTau

double m_mcDeltaTau

private

generated DeltaT

Definition at line 133 of file TagVertexModule.h.

◆ m_mcInfo

bool m_mcInfo

private

true if user wants to retrieve MC information out from the tracks used in the fit

Definition at line 139 of file TagVertexModule.h.

◆ m_mcLifeTimeReco

double m_mcLifeTimeReco

private

generated Breco life time

Definition at line 130 of file TagVertexModule.h.

◆ m_mcParticles

StoreArray<MCParticle> m_mcParticles

private

StoreArray of MCParticles.

Definition at line 96 of file TagVertexModule.h.

◆ m_mcPDG

int m_mcPDG

private

generated tag side B flavor

Definition at line 128 of file TagVertexModule.h.

◆ m_mcTagLifeTime

double m_mcTagLifeTime

private

generated tag side life time of B-decay

Definition at line 127 of file TagVertexModule.h.

◆ m_mcTagV

ROOT::Math::XYZVector m_mcTagV

private

generated tag side vertex

Definition at line 126 of file TagVertexModule.h.

◆ m_mcVertReco

ROOT::Math::XYZVector m_mcVertReco

private

generated Breco decay vertex

Definition at line 129 of file TagVertexModule.h.

◆ m_moduleParamList

ModuleParamList m_moduleParamList

privateinherited

List storing and managing all parameter of the module.

Definition at line 515 of file Module.h.

◆ m_name

std::string m_name

privateinherited

The name of the module, saved as a string (user-modifiable)

Definition at line 507 of file Module.h.

◆ m_package

std::string m_package

privateinherited

Package this module is found in (may be empty).

Definition at line 509 of file Module.h.

◆ m_plist

StoreObjPtr<ParticleList> m_plist

private

input particle list

Definition at line 97 of file TagVertexModule.h.

◆ m_propertyFlags

unsigned int m_propertyFlags

privateinherited

The properties of the module as bitwise or (with |) of EModulePropFlags.

Definition at line 511 of file Module.h.

◆ m_pvCov

TMatrixDSym m_pvCov

private

covariance matrix of the PV (useful with tube and KFit)

Definition at line 154 of file TagVertexModule.h.

◆ m_raveMCParticles

std::vector<const MCParticle*> m_raveMCParticles

private

Store the MC particles corresponding to each track used by Rave in the vtx fit.

Definition at line 112 of file TagVertexModule.h.

◆ m_raveParticles

std::vector<const Particle*> m_raveParticles

private

tracks given to rave for the track fit (after removing Kshorts

Definition at line 109 of file TagVertexModule.h.

◆ m_raveWeights

std::vector<double> m_raveWeights

private

Store the weights used by Rave in the vtx fit so that they can be accessed later.

Definition at line 110 of file TagVertexModule.h.

◆ m_reqPXDHits

int m_reqPXDHits

private

N of PXD hits for a track to be used.

Definition at line 105 of file TagVertexModule.h.

◆ m_returnValue

int m_returnValue

privateinherited

The return value.

Definition at line 518 of file Module.h.

◆ m_roeMaskName

std::string m_roeMaskName

private

ROE particles from this mask will be used for vertex fitting.

Definition at line 106 of file TagVertexModule.h.

◆ m_rollbackStatus

int m_rollbackStatus

private

Store info about whether the fit was performed with the rolled back tracks 0 fit performed with measured parameters 1 fit performed with rolled back parameters 2 unable to recover truth parameters.

Definition at line 119 of file TagVertexModule.h.

◆ m_tagMomentum

ROOT::Math::PxPyPzEVector m_tagMomentum

private

B tag momentum computed from fully reconstructed B sig.

Definition at line 155 of file TagVertexModule.h.

◆ m_tagParticles

std::vector<const Particle*> m_tagParticles

private

tracks of the rest of the event

Definition at line 108 of file TagVertexModule.h.

◆ m_tagV

ROOT::Math::XYZVector m_tagV

private

tag side fit result

Definition at line 124 of file TagVertexModule.h.

◆ m_tagVChi2

double m_tagVChi2

private

chi^2 value of the tag vertex fit result

Definition at line 149 of file TagVertexModule.h.

◆ m_tagVChi2IP

double m_tagVChi2IP

private

IP component of the chi^2 of the tag vertex fit result.

Definition at line 150 of file TagVertexModule.h.

◆ m_tagVErrMatrix

TMatrixDSym m_tagVErrMatrix

private

Error matrix of the tag side fit result.

Definition at line 125 of file TagVertexModule.h.

◆ m_tagVl

double m_tagVl

private

tagV component in the boost direction

Definition at line 142 of file TagVertexModule.h.

◆ m_tagVlErr

double m_tagVlErr

private

Error of the tagV component in the boost direction

Definition at line 144 of file TagVertexModule.h.

◆ m_tagVNDF

double m_tagVNDF

private

Number of degrees of freedom in the tag vertex fit.

Definition at line 148 of file TagVertexModule.h.

◆ m_tagVol

double m_tagVol

private

tagV component in the direction orthogonal to the boost

Definition at line 145 of file TagVertexModule.h.

◆ m_tagVolErr

double m_tagVolErr

private

Error of the tagV component in the direction orthogonal to the boost.

Definition at line 147 of file TagVertexModule.h.

◆ m_trackFindingType

std::string m_trackFindingType

private

Choose how to find the tag tracks: standard, standard_PXD.

Definition at line 104 of file TagVertexModule.h.

◆ m_truthTagVl

double m_truthTagVl

private

MC tagV component in the boost direction

Definition at line 143 of file TagVertexModule.h.

◆ m_truthTagVol

double m_truthTagVol

private

MC tagV component in the direction orthogonal to the boost.

Definition at line 146 of file TagVertexModule.h.

◆ m_type

std::string m_type

privateinherited

The type of the module, saved as a string.

Definition at line 508 of file Module.h.

◆ m_useMCassociation

std::string m_useMCassociation

private

No MC association or standard Breco particle or internal MCparticle association.

Definition at line 101 of file TagVertexModule.h.

◆ m_useRollBack

bool m_useRollBack

private

Set to true if the tag fit is to be made with the tag track position rolled back to mother B.

Definition at line 118 of file TagVertexModule.h.

◆ m_useTruthInFit

bool m_useTruthInFit

private

Set to true if the tag fit is to be made with the TRUE tag track momentum and position.

Definition at line 113 of file TagVertexModule.h.

◆ m_verArray

StoreArray<TagVertex> m_verArray

private

StoreArray of TagVertexes.

Definition at line 95 of file TagVertexModule.h.

◆ m_verbose

bool m_verbose

private

choose if you want to print extra infos

Definition at line 153 of file TagVertexModule.h.

The documentation for this class was generated from the following files:

analysis/modules/TagVertex/include/TagVertexModule.h
analysis/modules/TagVertex/src/TagVertexModule.cc

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Private Member Functions

Static Private Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

◆ EAfterConditionPath

Member Enumeration Documentation

◆ EModulePropFlags

Constructor & Destructor Documentation

◆ TagVertexModule()

Member Function Documentation

◆ beginRun()

◆ BtagMCVertex()

◆ clone()

◆ compBrecoBgen()

◆ def_beginRun()

◆ def_endRun()

◆ def_event()

◆ def_initialize()

◆ def_terminate()

◆ deltaT()

◆ doSingleKfit()

◆ doVertexFit()

◆ doVertexFitForBTube()

◆ endRun()

◆ evalCondition()

◆ event()

◆ exposePythonAPI()

◆ fillParticles()

◆ fillTagVinfo()

◆ findConstraint()

◆ findConstraintBoost()

◆ findConstraintBTube()

◆ getAfterConditionPath()

◆ getAllConditionPaths()

◆ getAllConditions()

◆ getBeamSpot()

◆ getCondition()

◆ getConditionPath()

◆ getDescription()

◆ getFileNames()

◆ getLogConfig()

◆ getModules()

◆ getName()

◆ getPackage()

◆ getParamInfoListPython()

◆ getParamList()

◆ getParticlesAndWeights()

◆ getPathString()

◆ getReturnValue()

◆ getRollBackPoca()

◆ getTagTracks_standardAlgorithm()

◆ getTrackWithRollBackCoordinates()

◆ getTrackWithTrueCoordinates()

◆ getTruePoca()

◆ getType()

◆ hasCondition()

◆ hasProperties()

◆ hasReturnValue()

◆ hasUnsetForcedParams()

◆ if_false()

◆ if_true()

◆ if_value()

◆ initialize()

◆ makeGeneralFit()

◆ makeGeneralFitKFit()

◆ makeGeneralFitRave()

◆ printMatrix() [1/2]

◆ printMatrix() [2/2]

◆ printVector()

◆ resetReturnParams()

◆ setAbortLevel()

◆ setDebugLevel()

◆ setDescription()

◆ setLogConfig()

◆ setLogInfo()