EventShapeContainer Class Reference

Class for collecting the basic objects related to the event shape. More...

#include <EventShapeContainer.h>

Inheritance diagram for EventShapeContainer:

Collaboration diagram for EventShapeContainer:

Public Member Functions
	EventShapeContainer ()
	Default constructor, resets the sphericity matrix.
void	setSphericityEigenvector (short i, ROOT::Math::XYZVector eigenvector)
	Sets the i-th sphericity eigenvector.
void	setSphericityEigenvalue (short i, float eigenvalue)
	Sets the i-th sphericity eigenvalue.
void	setFWMoment (short order, float moment)
	Sets the Fox-Wolfram (FW) moment of order n.
void	setThrust (float thrust)
	Sets the thrust of the event.
void	setThrustAxis (ROOT::Math::XYZVector thrustAxis)
	Sets the thrust axis, normalizing it.
void	setSpherocityAxis (ROOT::Math::XYZVector spherocityAxis)
	Sets the spherocity axis, normalizing it.
void	setHarmonicMomentThrust (short order, float moment)
	Sets the harmonic moment of order n, calculated using the thrust axis.
void	setHarmonicMomentCollision (short order, float moment)
	Sets the harmonic moment of order n, calculated using the collision axis.
void	setCleoConeThrust (short order, float moment)
	Sets the Cleo cone of order n, calculated using the thrust axis.
void	setCleoConeCollision (short order, float moment)
	Sets the Cleo cone of order n, calculated using the collision axis.
void	setForwardHemisphere4Momentum (ROOT::Math::PxPyPzEVector mom)
	Sets the 4-momentum of the forward hemisphere, as defined by the thrust axis.
void	setBackwardHemisphere4Momentum (ROOT::Math::PxPyPzEVector mom)
	Sets the 4-momentum of the backward hemisphere, as defined by the thrust axis.
float	getThrust () const
	Returns the thrust.
ROOT::Math::XYZVector	getThrustAxis () const
	Returns the thrust axis (normalized).
ROOT::Math::XYZVector	getSpherocityAxis () const
	Returns the spherocity axis (normalized).
float	getSphericityEigenvalue (short i) const
	Returns the i-th sphericity matrix eigenvalue.
ROOT::Math::XYZVector	getSphericityEigenvector (short i) const
	Returns the i-th sphericity matrix eigenvector.
float	getFWMoment (short order) const
	Returns the Fox-Wolfram moment of a given order.
float	getHarmonicMomentCollision (short order) const
	Returns the harmonic moment of a given order, calculated respect to the beam axis.
float	getHarmonicMomentThrust (short order) const
	Returns the harmonic moment of a given order, calculated respect to the thrust axis.
float	getCleoConeCollision (short order) const
	Returns the Cleo cone of a given order, calculated respect to the beam axis.
float	getCleoConeThrust (short order) const
	Returns the Cleo cone of a given order, calculated respect to the thrust axis.
ROOT::Math::PxPyPzEVector	getForwardHemisphere4Momentum () const
	Returns the 4-momentum of the forward hemisphere, as defined by the thrust axis.
ROOT::Math::PxPyPzEVector	getBackwardHemisphere4Momentum () const
	Return the 4-momentum of the backward hemisphere, as defined by the thrust axis.
void	addRelationTo (const RelationsInterface< BASE > *object, float weight=1.0, const std::string &namedRelation="") const
	Add a relation from this object to another object (with caching).
void	addRelationTo (const TObject *object, float weight=1.0, const std::string &namedRelation="") const
	Add a relation from this object to another object (no caching, can be quite slow).
void	copyRelations (const RelationsInterface< BASE > *sourceObj)
	Copies all relations of sourceObj (pointing from or to sourceObj) to this object (including weights).
template<class TO >
RelationVector< TO >	getRelationsTo (const std::string &name="", const std::string &namedRelation="") const
	Get the relations that point from this object to another store array.
template<class FROM >
RelationVector< FROM >	getRelationsFrom (const std::string &name="", const std::string &namedRelation="") const
	Get the relations that point from another store array to this object.
template<class T >
RelationVector< T >	getRelationsWith (const std::string &name="", const std::string &namedRelation="") const
	Get the relations between this object and another store array.
template<class TO >
TO *	getRelatedTo (const std::string &name="", const std::string &namedRelation="") const
	Get the object to which this object has a relation.
template<class FROM >
FROM *	getRelatedFrom (const std::string &name="", const std::string &namedRelation="") const
	Get the object from which this object has a relation.
template<class T >
T *	getRelated (const std::string &name="", const std::string &namedRelation="") const
	Get the object to or from which this object has a relation.
template<class TO >
std::pair< TO *, float >	getRelatedToWithWeight (const std::string &name="", const std::string &namedRelation="") const
	Get first related object & weight of relation pointing to an array.
template<class FROM >
std::pair< FROM *, float >	getRelatedFromWithWeight (const std::string &name="", const std::string &namedRelation="") const
	Get first related object & weight of relation pointing from an array.
template<class T >
std::pair< T *, float >	getRelatedWithWeight (const std::string &name="", const std::string &namedRelation="") const
	Get first related object & weight of relation pointing from/to an array.
virtual std::string	getName () const
	Return a short name that describes this object, e.g.
virtual std::string	getInfoHTML () const
	Return a short summary of this object's contents in HTML format.
std::string	getInfo () const
	Return a short summary of this object's contents in raw text format.
std::string	getArrayName () const
	Get name of array this object is stored in, or "" if not found.
int	getArrayIndex () const
	Returns this object's array index (in StoreArray), or -1 if not found.

Protected Member Functions
TClonesArray *	getArrayPointer () const
	Returns the pointer to the raw DataStore array holding this object (protected since these arrays are easy to misuse).

Private Member Functions
	ClassDef (RelationsInterface, 0)
	defines interface for accessing relations of objects in StoreArray.

Private Attributes
ROOT::Math::XYZVector	m_thrustAxis
	Thrust axis.
ROOT::Math::XYZVector	m_spherocityAxis
	Spherocity axis.
ROOT::Math::XYZVector	m_sphericityEigenvector [3]
	Sphericity tensor eigenvectors.
float	m_sphericityEigenvalue [3] = {0.}
	Sphericity tensor eigenvalues.
float	m_foxWolframMoments [10] = {0.}
	Fox Wolfram moments up to order 9.
float	m_thrust = 0
	Thrust value.
float	m_harmonicMomentsThrust [10] = {0.}
	Harmonic moments up to order 9, calculated respect to the thrust axis.
float	m_cleoConesThrust [10] = {0.}
	Cleo cones up to order 9, calculated respect to the thrust axis.
float	m_harmonicMomentsCollision [10] = {0.}
	Harmonic moments up to order 9, calculated respect to the collision axis.
float	m_cleoConesCollision [10] = {0.}
	Cleo cones up to order 9, calculated respect to the collision axis.
ROOT::Math::PxPyPzEVector	m_forwardHemisphere4Momentum
	Total 4-momentum of the particles in the forward hemisphere.
ROOT::Math::PxPyPzEVector	m_backwardHemisphere4Momentum
	Total 4-momentum of the particles in the backward hemisphere.
DataStore::StoreEntry *	m_cacheDataStoreEntry
	Cache of the data store entry to which this object belongs.
int	m_cacheArrayIndex
	Cache of the index in the TClonesArray to which this object belongs.

Detailed Description

Class for collecting the basic objects related to the event shape.

This object is written by the EventShapeCalculator module, that stores here the quantities that require long calculations like the FW moments, the sphericity(-like) tensors and the shape axes (like thrust axis or jet axes). These quantities will be then used by the VaribaleManager functions to get the final EventShape variable, which are usually very simple to calculate. For example, the EventShapeCalculator will store here the Fox-Wolfram moments, while the ratios of them will be calculated on fly by the Variable Manager. We prefer this approach rather than storing every event shape variable directly here to keep a reasonably small data object, and making adding more variables easier.

All the quantities are defined and calculated in the center of mass frame.

The Event shape variables stored here can be divided into two classes: axis independent and axis-based. The first one are uniquely defined by the particles in the event, while the latter one require also a reference axis to be calculated.

The axis-independent quantities currently implemented are:

• sphericity tensor eigenvalues and eigenvectors
• Fow-Wolfram moments from 0 to 9

The axis-dependent quantities currently implemented are:

• Harmonic moments from 0 to 9
• Thrust
• Cleo cones All these quantities are can be stored in two versions:
• calculated respect to the e+e- collision axis (defined by the beam parameters)
• calculated respect to the thrust axis (calculated by the EventShapeCalculator module)

Definition at line 52 of file EventShapeContainer.h.

Constructor & Destructor Documentation

EventShapeContainer()

EventShapeContainer ( )

inline

Default constructor, resets the sphericity matrix.

Definition at line 59 of file EventShapeContainer.h.

    {
      m_thrustAxis.SetXYZ(0., 0., 0.);
      m_spherocityAxis.SetXYZ(0., 0., 0.);
      m_forwardHemisphere4Momentum.SetXYZT(0., 0., 0., 0.);
      m_backwardHemisphere4Momentum.SetXYZT(0., 0., 0., 0.);
 
      m_thrustAxis.SetXYZ(0., 0., 0.);
      for (int i = 0; i < 3; i++)
        m_sphericityEigenvector[i].SetXYZ(0., 0., 0.);
    };

Member Function Documentation

addRelationTo() [1/2]

void addRelationTo ( const RelationsInterface< BASE > *  object, float  weight = 1.0, const std::string &  namedRelation = ""  ) const

inlineinherited

Add a relation from this object to another object (with caching).

Parameters

object	The object to which the relation should point.
weight	The weight of the relation.
namedRelation	Additional name for the relation, or "" for the default naming

Definition at line 142 of file RelationsObject.h.

    {
      if (object)
        DataStore::Instance().addRelation(this, m_cacheDataStoreEntry, m_cacheArrayIndex,
                                          object, object->m_cacheDataStoreEntry, object->m_cacheArrayIndex, weight, namedRelation);
    }

addRelationTo() [2/2]

void addRelationTo ( const TObject *  object, float  weight = 1.0, const std::string &  namedRelation = ""  ) const

inlineinherited

Add a relation from this object to another object (no caching, can be quite slow).

Parameters

object	The object to which the relation should point.
weight	The weight of the relation.
namedRelation	Additional name for the relation, or "" for the default naming

Definition at line 155 of file RelationsObject.h.

    {
      StoreEntry* toEntry = nullptr;
      int toIndex = -1;
      DataStore::Instance().addRelation(this, m_cacheDataStoreEntry, m_cacheArrayIndex, object, toEntry, toIndex, weight, namedRelation);
    }

copyRelations()

void copyRelations ( const RelationsInterface< BASE > *  sourceObj )

inlineinherited

Copies all relations of sourceObj (pointing from or to sourceObj) to this object (including weights).

Useful if you want to make a complete copy of a StoreArray object to make modifications to it, but retain all information on linked objects.

Note: this only works if sourceObj inherits from the same base (e.g. RelationsObject), and only for related objects that also inherit from the same base.

Definition at line 170 of file RelationsObject.h.

    {
      if (!sourceObj)
        return;
      auto fromRels = sourceObj->getRelationsFrom<RelationsInterface<BASE>>("ALL");
      for (unsigned int iRel = 0; iRel < fromRels.size(); iRel++) {
        fromRels.object(iRel)->addRelationTo(this, fromRels.weight(iRel));
      }
 
      auto toRels = sourceObj->getRelationsTo<RelationsInterface<BASE>>("ALL");
      for (unsigned int iRel = 0; iRel < toRels.size(); iRel++) {
        this->addRelationTo(toRels.object(iRel), toRels.weight(iRel));
      }
    }

getArrayIndex()

int getArrayIndex ( ) const

inlineinherited

Returns this object's array index (in StoreArray), or -1 if not found.

Definition at line 385 of file RelationsObject.h.

    {
      DataStore::Instance().findStoreEntry(this, m_cacheDataStoreEntry, m_cacheArrayIndex);
      return m_cacheArrayIndex;
    }

getArrayName()

std::string getArrayName ( ) const

inlineinherited

Get name of array this object is stored in, or "" if not found.

Definition at line 377 of file RelationsObject.h.

    {
      DataStore::Instance().findStoreEntry(this, m_cacheDataStoreEntry, m_cacheArrayIndex);
      return m_cacheDataStoreEntry ? m_cacheDataStoreEntry->name : "";
    }

getArrayPointer()

TClonesArray * getArrayPointer ( ) const

inlineprotectedinherited

Returns the pointer to the raw DataStore array holding this object (protected since these arrays are easy to misuse).

Definition at line 418 of file RelationsObject.h.

    {
      DataStore::Instance().findStoreEntry(this, m_cacheDataStoreEntry, m_cacheArrayIndex);
      if (!m_cacheDataStoreEntry)
        return nullptr;
      return m_cacheDataStoreEntry->getPtrAsArray();
    }

getBackwardHemisphere4Momentum()

ROOT::Math::PxPyPzEVector getBackwardHemisphere4Momentum ( ) const

inline

Return the 4-momentum of the backward hemisphere, as defined by the thrust axis.

Returns

PxPyPzEVector of the particles in the hemisphere

Definition at line 367 of file EventShapeContainer.h.

    {
      return m_backwardHemisphere4Momentum;
    };

getCleoConeCollision()

float getCleoConeCollision ( short  order ) const

inline

Returns the Cleo cone of a given order, calculated respect to the beam axis.

Parameters

order

Order of the harmonic moment

Returns

float Cleo cone

Definition at line 330 of file EventShapeContainer.h.

    {
      if (order < 0 || order > 9) {
        B2ERROR("Invalid CLEO cone order. The order must be in the [0,9] range.");
        return std::numeric_limits<float>::quiet_NaN();
      } else
        return m_cleoConesCollision[order];
    };

getCleoConeThrust()

float getCleoConeThrust ( short  order ) const

inline

Returns the Cleo cone of a given order, calculated respect to the thrust axis.

Parameters

order

Order of the harmonic moment

Returns

float Cleo cone

Definition at line 344 of file EventShapeContainer.h.

    {
      if (order < 0 || order > 9) {
        B2ERROR("Invalid CLEO cone order. The order must be in the [0,9] range.");
        return std::numeric_limits<float>::quiet_NaN();
      } else
        return m_cleoConesThrust[order];
    };

getForwardHemisphere4Momentum()

ROOT::Math::PxPyPzEVector getForwardHemisphere4Momentum ( ) const

inline

Returns the 4-momentum of the forward hemisphere, as defined by the thrust axis.

Returns

PxPyPzEVector of the particles in the hemisphere

Definition at line 358 of file EventShapeContainer.h.

    {
      return m_forwardHemisphere4Momentum;
    };

getFWMoment()

float getFWMoment ( short  order ) const

inline

Returns the Fox-Wolfram moment of a given order.

Parameters

order

Order of the FW moment

Returns

float FW moment

Definition at line 287 of file EventShapeContainer.h.

    {
      if (order < 0 || order > 9) {
        B2ERROR("Invalid Fox-Wolfram moment order. It must be in the [0,9] range.");
        return std::numeric_limits<float>::quiet_NaN();
      } else
        return m_foxWolframMoments[order];
    };

getHarmonicMomentCollision()

float getHarmonicMomentCollision ( short  order ) const

inline

Returns the harmonic moment of a given order, calculated respect to the beam axis.

Parameters

order

Order of the harmonic moment

Returns

float harmonic moment

Definition at line 301 of file EventShapeContainer.h.

    {
      if (order < 0 || order > 9) {
        B2ERROR("Invalid harmonic moment order. It  must be in the [0,9] range.");
        return std::numeric_limits<float>::quiet_NaN();
      } else
        return m_harmonicMomentsCollision[order];
    };

getHarmonicMomentThrust()

float getHarmonicMomentThrust ( short  order ) const

inline

Returns the harmonic moment of a given order, calculated respect to the thrust axis.

Parameters

order

Order of the harmonic moment

Returns

float harmonic moment

Definition at line 315 of file EventShapeContainer.h.

    {
      if (order < 0 || order > 9) {
        B2ERROR("Invalid harmonic moment order. The order must be in the [0,9] range.");
        return std::numeric_limits<float>::quiet_NaN();
      } else
        return m_harmonicMomentsThrust[order];
    };

getInfo()

std::string getInfo ( ) const

inlineinherited

Return a short summary of this object's contents in raw text format.

Returns the contents of getInfoHTML() while translating line-breaks etc.

Note

: You don't need to implement this function (it's not virtual), getInfoHTML() is enough.

Definition at line 370 of file RelationsObject.h.

    {
      return _RelationsInterfaceImpl::htmlToPlainText(getInfoHTML());
    }

getInfoHTML()

virtual std::string getInfoHTML ( ) const

inlinevirtualinherited

Return a short summary of this object's contents in HTML format.

Reimplement this in your own class to provide useful output for display or debugging purposes. For example, you might do something like:

std::stringstream out;
out << "<b>PDG</b>: " << m_pdg << "<br>";
out << "<b>Covariance Matrix</b>: " << HTML::getString(getCovariance5()) << "<br>";
return out.str();

See also

Particle::getInfoHTML() for a more complex example.

HTML for some utility functions.

Use getInfo() to get a raw text version of this output.

Reimplemented in Particle, Cluster, MCParticle, PIDLikelihood, SoftwareTriggerResult, Track, TrackFitResult, and TRGSummary.

Definition at line 362 of file RelationsObject.h.

{ return ""; }

getName()

virtual std::string getName ( ) const

inlinevirtualinherited

Return a short name that describes this object, e.g.

pi+ for an MCParticle.

Reimplemented in Particle, and MCParticle.

Definition at line 344 of file RelationsObject.h.

{ return ""; }

getRelated()

T * getRelated ( const std::string &  name = "", const std::string &  namedRelation = ""  ) const

inlineinherited

Get the object to or from which this object has a relation.

Template Parameters

T	The class of objects to or from which the relation points.

Parameters

name	The name of the store array to or from which the relation points. If empty the default store array name for class T will be used. If the special name "ALL" is given all store arrays containing objects of type T are considered.
namedRelation	Additional name for the relation, or "" for the default naming

Returns

The first related object or a null pointer.

Definition at line 278 of file RelationsObject.h.

    {
      return static_cast<T*>(DataStore::Instance().getRelationWith(DataStore::c_BothSides, this, m_cacheDataStoreEntry, m_cacheArrayIndex,
                             T::Class(), name, namedRelation).object);
    }

getRelatedFrom()

FROM * getRelatedFrom ( const std::string &  name = "", const std::string &  namedRelation = ""  ) const

inlineinherited

Get the object from which this object has a relation.

Template Parameters

FROM	The class of objects from which the relation points.

Parameters

name	The name of the store array from which the relation points. If empty the default store array name for class FROM will be used. If the special name "ALL" is given all store arrays containing objects of type FROM are considered.
namedRelation	Additional name for the relation, or "" for the default naming

Returns

The first related object or a null pointer.

Definition at line 263 of file RelationsObject.h.

    {
      return static_cast<FROM*>(DataStore::Instance().getRelationWith(DataStore::c_FromSide, this, m_cacheDataStoreEntry,
                                m_cacheArrayIndex, FROM::Class(), name, namedRelation).object);
    }

getRelatedFromWithWeight()

std::pair< FROM *, float > getRelatedFromWithWeight ( const std::string &  name = "", const std::string &  namedRelation = ""  ) const

inlineinherited

Get first related object & weight of relation pointing from an array.

Template Parameters

FROM	The class of objects from which the relation points.

Parameters

name	The name of the store array from which the relation points. If empty the default store array name for class FROM will be used. If the special name "ALL" is given all store arrays containing objects of type FROM are considered.
namedRelation	Additional name for the relation, or "" for the default naming

Returns

Pair of first related object and the relation weight, or (NULL, 1.0) if none found.

Definition at line 314 of file RelationsObject.h.

    {
      RelationEntry entry = DataStore::Instance().getRelationWith(DataStore::c_FromSide, this, m_cacheDataStoreEntry, m_cacheArrayIndex,
                                                                  FROM::Class(), name, namedRelation);
      return std::make_pair(static_cast<FROM*>(entry.object), entry.weight);
    }

getRelatedTo()

TO * getRelatedTo ( const std::string &  name = "", const std::string &  namedRelation = ""  ) const

inlineinherited

Get the object to which this object has a relation.

Template Parameters

TO	The class of objects to which the relation points.

Parameters

name	The name of the store array to which the relation points. If empty the default store array name for class TO will be used. If the special name "ALL" is given all store arrays containing objects of type TO are considered.
namedRelation	Additional name for the relation, or "" for the default naming

Returns

The first related object or a null pointer.

Definition at line 248 of file RelationsObject.h.

    {
      return static_cast<TO*>(DataStore::Instance().getRelationWith(DataStore::c_ToSide, this, m_cacheDataStoreEntry, m_cacheArrayIndex,
                              TO::Class(), name, namedRelation).object);
    }

getRelatedToWithWeight()

std::pair< TO *, float > getRelatedToWithWeight ( const std::string &  name = "", const std::string &  namedRelation = ""  ) const

inlineinherited

Get first related object & weight of relation pointing to an array.

Template Parameters

TO	The class of objects to which the relation points.

Parameters

name	The name of the store array to which the relation points. If empty the default store array name for class TO will be used. If the special name "ALL" is given all store arrays containing objects of type TO are considered.
namedRelation	Additional name for the relation, or "" for the default naming

Returns

Pair of first related object and the relation weight, or (NULL, 1.0) if none found.

Definition at line 297 of file RelationsObject.h.

    {
      RelationEntry entry = DataStore::Instance().getRelationWith(DataStore::c_ToSide, this, m_cacheDataStoreEntry, m_cacheArrayIndex,
                                                                  TO::Class(), name, namedRelation);
      return std::make_pair(static_cast<TO*>(entry.object), entry.weight);
    }

getRelatedWithWeight()

std::pair< T *, float > getRelatedWithWeight ( const std::string &  name = "", const std::string &  namedRelation = ""  ) const

inlineinherited

Get first related object & weight of relation pointing from/to an array.

Template Parameters

T	The class of objects to or from which the relation points.

Parameters

name	The name of the store array to or from which the relation points. If empty the default store array name for class T will be used. If the special name "ALL" is given all store arrays containing objects of type T are considered.
namedRelation	Additional name for the relation, or "" for the default naming

Returns

Pair of first related object and the relation weight, or (NULL, 1.0) if none found.

Definition at line 331 of file RelationsObject.h.

    {
      RelationEntry entry = DataStore::Instance().getRelationWith(DataStore::c_BothSides, this, m_cacheDataStoreEntry, m_cacheArrayIndex,
                                                                  T::Class(), name, namedRelation);
      return std::make_pair(static_cast<T*>(entry.object), entry.weight);
    }

getRelationsFrom()

RelationVector< FROM > getRelationsFrom ( const std::string &  name = "", const std::string &  namedRelation = ""  ) const

inlineinherited

Get the relations that point from another store array to this object.

Template Parameters

FROM	The class of objects from which the relations point.

Parameters

name	The name of the store array from which the relations point. If empty the default store array name for class FROM will be used. If the special name "ALL" is given all store arrays containing objects of type FROM are considered.
namedRelation	Additional name for the relation, or "" for the default naming

Returns

A vector of relations.

Definition at line 212 of file RelationsObject.h.

    {
      return RelationVector<FROM>(DataStore::Instance().getRelationsWith(DataStore::c_FromSide, this, m_cacheDataStoreEntry,
                                  m_cacheArrayIndex, FROM::Class(), name, namedRelation));
    }

getRelationsTo()

RelationVector< TO > getRelationsTo ( const std::string &  name = "", const std::string &  namedRelation = ""  ) const

inlineinherited

Get the relations that point from this object to another store array.

Template Parameters

TO	The class of objects to which the relations point.

Parameters

name	The name of the store array to which the relations point. If empty the default store array name for class TO will be used. If the special name "ALL" is given all store arrays containing objects of type TO are considered.
namedRelation	Additional name for the relation, or "" for the default naming

Returns

A vector of relations.

Definition at line 197 of file RelationsObject.h.

    {
      return RelationVector<TO>(DataStore::Instance().getRelationsWith(DataStore::c_ToSide, this, m_cacheDataStoreEntry,
                                m_cacheArrayIndex, TO::Class(), name, namedRelation));
    }

getRelationsWith()

RelationVector< T > getRelationsWith ( const std::string &  name = "", const std::string &  namedRelation = ""  ) const

inlineinherited

Get the relations between this object and another store array.

Relations in both directions are returned.

Template Parameters

T	The class of objects to or from which the relations point.

Parameters

name	The name of the store array to or from which the relations point. If empty the default store array name for class T will be used. If the special name "ALL" is given all store arrays containing objects of type T are considered.
namedRelation	Additional name for the relation, or "" for the default naming

Returns

A vector of relations.

Definition at line 230 of file RelationsObject.h.

    {
      return RelationVector<T>(DataStore::Instance().getRelationsWith(DataStore::c_BothSides, this, m_cacheDataStoreEntry,
                               m_cacheArrayIndex, T::Class(), name, namedRelation));
    }

getSphericityEigenvalue()

float getSphericityEigenvalue ( short  i ) const

inline

Returns the i-th sphericity matrix eigenvalue.

Parameters

i	the number of the eigenvalue (0,1,2)

Returns

float the eigenvalue

Definition at line 255 of file EventShapeContainer.h.

    {
      if (i < 0 || i > 2) {
        B2ERROR("Invalid  Eigenvalue number  (n = " << i << "). There are only 3 eigenvalues...");
        return std::numeric_limits<float>::quiet_NaN();
      } else
        return m_sphericityEigenvalue[i];
    };

getSphericityEigenvector()

ROOT::Math::XYZVector getSphericityEigenvector ( short  i ) const

inline

Returns the i-th sphericity matrix eigenvector.

Parameters

i	the number of the eigenvalue (0,1,2)

Returns

float the eigenvector

Definition at line 270 of file EventShapeContainer.h.

    {
      if (i < 0 || i > 2) {
        B2ERROR("Invalid  Eigenvalue number  (n = " << i << "). There are only 3 eigenvalues...");
        return ROOT::Math::XYZVector(std::numeric_limits<float>::quiet_NaN(), std::numeric_limits<float>::quiet_NaN(),
                                     std::numeric_limits<float>::quiet_NaN());
      } else
        return m_sphericityEigenvector[i];
    };

getSpherocityAxis()

ROOT::Math::XYZVector getSpherocityAxis ( ) const

inline

Returns the spherocity axis (normalized).

Returns

XYZVector the spherocity axis, normalized

Definition at line 245 of file EventShapeContainer.h.

    {
      return m_spherocityAxis;
    };

getThrust()

float getThrust ( ) const

inline

Returns the thrust.

Returns

XYZVector the thrust axis, normalized

Definition at line 227 of file EventShapeContainer.h.

    {
      return m_thrust;
    };

getThrustAxis()

ROOT::Math::XYZVector getThrustAxis ( ) const

inline

Returns the thrust axis (normalized).

Returns

XYZVector the thrust axis, normalized

Definition at line 236 of file EventShapeContainer.h.

    {
      return m_thrustAxis;
    };

setBackwardHemisphere4Momentum()

void setBackwardHemisphere4Momentum ( ROOT::Math::PxPyPzEVector  mom )

inline

Sets the 4-momentum of the backward hemisphere, as defined by the thrust axis.

Parameters

mom	PxPyPzEVector of the particles in the backward hemisphere

Definition at line 212 of file EventShapeContainer.h.

    {
      m_backwardHemisphere4Momentum = mom;
    };

setCleoConeCollision()

void setCleoConeCollision ( short  order, float  moment  )

inline

Sets the Cleo cone of order n, calculated using the collision axis.

Parameters

order	The order (0 to 9)
moment	The Cleo cone value

Definition at line 191 of file EventShapeContainer.h.

    {
      if (order < 0 || order > 9)
        B2ERROR("Invalid Cleo cone order. It must be in the [0,9] range.");
      else
        m_cleoConesCollision[order] = moment;
    };

setCleoConeThrust()

void setCleoConeThrust ( short  order, float  moment  )

inline

Sets the Cleo cone of order n, calculated using the thrust axis.

Parameters

order	The order (0 to 9)
moment	The Cleo cone value

Definition at line 178 of file EventShapeContainer.h.

    {
      if (order < 0 || order > 9)
        B2ERROR("Invalid Cleo cone order. It  must be in the [0,9] range.");
      else
        m_cleoConesThrust[order] = moment;
    };

setForwardHemisphere4Momentum()

void setForwardHemisphere4Momentum ( ROOT::Math::PxPyPzEVector  mom )

inline

Sets the 4-momentum of the forward hemisphere, as defined by the thrust axis.

Parameters

mom	PxPyPzEVector of the particles in the forward hemisphere

Definition at line 203 of file EventShapeContainer.h.

    {
      m_forwardHemisphere4Momentum = mom;
    };

setFWMoment()

void setFWMoment ( short  order, float  moment  )

inline

Sets the Fox-Wolfram (FW) moment of order n.

This is NOT the normalized FW moment (R1, R2...), but the original one.

Parameters

order	The order (0 to 9)
moment	The Fox-Wolfram moment value

Definition at line 108 of file EventShapeContainer.h.

    {
      if (order < 0 || order > 9)
        B2ERROR("Invalid Fox-Wolfram moment order (n = " << order << "). The order must be in the [0,9] range.");
      else
        m_foxWolframMoments[order] = moment;
    };

setHarmonicMomentCollision()

void setHarmonicMomentCollision ( short  order, float  moment  )

inline

Sets the harmonic moment of order n, calculated using the collision axis.

Parameters

order	The order (0 to 9)
moment	The harmonic moment value

Definition at line 165 of file EventShapeContainer.h.

    {
      if (order < 0 || order > 9)
        B2ERROR("Invalid harmonic moment order. It  must be in the [0,9] range.");
      else
        m_harmonicMomentsCollision[order] = moment;
    };

setHarmonicMomentThrust()

void setHarmonicMomentThrust ( short  order, float  moment  )

inline

Sets the harmonic moment of order n, calculated using the thrust axis.

Parameters

order	The order (0 to 9)
moment	The harmonic moment value

Definition at line 152 of file EventShapeContainer.h.

    {
      if (order < 0 || order > 9)
        B2ERROR("Invalid harmonic moment order. It  must be in the [0,9] range.");
      else
        m_harmonicMomentsThrust[order] = moment;
    };

setSphericityEigenvalue()

void setSphericityEigenvalue ( short  i, float  eigenvalue  )

inline

Sets the i-th sphericity eigenvalue.

Parameters

i	the order (0,1,2)
eigenvalue	the eigenvalue

Definition at line 95 of file EventShapeContainer.h.

    {
      if (i < 0 || i > 2)
        B2ERROR("Invalid  EigenVector number  (n = " << i << "). You can set only 3 eigenvectors.");
      else
        m_sphericityEigenvalue[i] = eigenvalue;
    };

setSphericityEigenvector()

void setSphericityEigenvector ( short  i, ROOT::Math::XYZVector  eigenvector  )

inline

Sets the i-th sphericity eigenvector.

Parameters

i	the order (0,1,2)
eigenvector	the eigenvector

Definition at line 82 of file EventShapeContainer.h.

    {
      if (i < 0 || i > 2)
        B2ERROR("Invalid  EigenVector number  (n = " << i << "). You can set only 3 eigenvectors.");
      else
        m_sphericityEigenvector[i] = eigenvector;
    };

setSpherocityAxis()

void setSpherocityAxis ( ROOT::Math::XYZVector  spherocityAxis )

inline

Sets the spherocity axis, normalizing it.

Parameters

spherocityAxis

sperocity axis. Must have magnitude equal to the thrust value.

Definition at line 140 of file EventShapeContainer.h.

    {
      if (spherocityAxis.R() < 1.E-10)
        B2WARNING("The spherocity axis you are trying to set has magnitude numerically compatible with 0.");
      m_spherocityAxis = spherocityAxis.Unit();
    };

setThrust()

void setThrust ( float  thrust )

inline

Sets the thrust of the event.

Parameters

thrust

thrust value

Definition at line 120 of file EventShapeContainer.h.

    {
      m_thrust = thrust;
    };

setThrustAxis()

void setThrustAxis ( ROOT::Math::XYZVector  thrustAxis )

inline

Sets the thrust axis, normalizing it.

Parameters

thrustAxis

thrust axis.

Definition at line 129 of file EventShapeContainer.h.

    {
      if (thrustAxis.R() < 1.E-10)
        B2WARNING("The thrust axis you are trying to set has magnitude numerically compatible with 0.");
      m_thrustAxis = thrustAxis.Unit();
    };

Member Data Documentation

m_backwardHemisphere4Momentum

ROOT::Math::PxPyPzEVector m_backwardHemisphere4Momentum

private

Total 4-momentum of the particles in the backward hemisphere.

Definition at line 393 of file EventShapeContainer.h.

m_cacheArrayIndex

int m_cacheArrayIndex

mutableprivateinherited

Cache of the index in the TClonesArray to which this object belongs.

Definition at line 432 of file RelationsObject.h.

m_cacheDataStoreEntry

DataStore::StoreEntry* m_cacheDataStoreEntry

mutableprivateinherited

Cache of the data store entry to which this object belongs.

Definition at line 429 of file RelationsObject.h.

m_cleoConesCollision

float m_cleoConesCollision[10] = {0.}

private

Cleo cones up to order 9, calculated respect to the collision axis.

Definition at line 389 of file EventShapeContainer.h.

m_cleoConesThrust

float m_cleoConesThrust[10] = {0.}

private

Cleo cones up to order 9, calculated respect to the thrust axis.

Definition at line 387 of file EventShapeContainer.h.

m_forwardHemisphere4Momentum

ROOT::Math::PxPyPzEVector m_forwardHemisphere4Momentum

private

Total 4-momentum of the particles in the forward hemisphere.

Definition at line 392 of file EventShapeContainer.h.

m_foxWolframMoments

float m_foxWolframMoments[10] = {0.}

private

Fox Wolfram moments up to order 9.

Definition at line 382 of file EventShapeContainer.h.

m_harmonicMomentsCollision

float m_harmonicMomentsCollision[10] = {0.}

private

Harmonic moments up to order 9, calculated respect to the collision axis.

Definition at line 388 of file EventShapeContainer.h.

m_harmonicMomentsThrust

float m_harmonicMomentsThrust[10] = {0.}

private

Harmonic moments up to order 9, calculated respect to the thrust axis.

Definition at line 386 of file EventShapeContainer.h.

m_sphericityEigenvalue

float m_sphericityEigenvalue[3] = {0.}

private

Sphericity tensor eigenvalues.

Definition at line 381 of file EventShapeContainer.h.

m_sphericityEigenvector

ROOT::Math::XYZVector m_sphericityEigenvector[3]

private

Sphericity tensor eigenvectors.

Definition at line 380 of file EventShapeContainer.h.

m_spherocityAxis

ROOT::Math::XYZVector m_spherocityAxis

private

Spherocity axis.

It is not normalized, and it's length is the spherocity value

Definition at line 377 of file EventShapeContainer.h.

m_thrust

float m_thrust = 0

private

Thrust value.

Definition at line 385 of file EventShapeContainer.h.

m_thrustAxis

ROOT::Math::XYZVector m_thrustAxis

private

Thrust axis.

It is not normalized, and it's length is the thrust value

Definition at line 376 of file EventShapeContainer.h.

---

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

• analysis/dataobjects/include/EventShapeContainer.h