RestFrame Class Reference

Rest frame of a particle. More...

#include <ReferenceFrame.h>

Inheritance diagram for RestFrame:

Collaboration diagram for RestFrame:

Public Member Functions
	RestFrame (const Particle *particle)
	Create new rest frame.
virtual ROOT::Math::XYZVector	getVertex (const ROOT::Math::XYZVector &vector) const override
	Get vertex 3-vector in rest frame system. More...
virtual ROOT::Math::PxPyPzEVector	getMomentum (const ROOT::Math::PxPyPzEVector &vector) const override
	Get Lorentz vector in rest frame System. More...
virtual TMatrixFSym	getMomentumErrorMatrix (const TMatrixFSym &matrix) const override
	Get Momentum error matrix in rest frame. More...
virtual TMatrixFSym	getVertexErrorMatrix (const TMatrixFSym &matrix) const override
	Get Vertex error matrix in rest frame. More...
virtual ROOT::Math::XYZVector	getVertex (const Particle *particle) const
	Wrapper for particles. More...
virtual ROOT::Math::PxPyPzEVector	getMomentum (const Particle *particle) const
	Wrapper for particles. More...
virtual TMatrixFSym	getMomentumErrorMatrix (const Particle *particle) const
	Wrapper for particles. More...
virtual TMatrixFSym	getVertexErrorMatrix (const Particle *particle) const
	Wrapper for particles. More...

Static Public Member Functions
static const ReferenceFrame &	GetCurrent ()
	Get current rest frame. More...

Static Private Member Functions
static void	Push (const ReferenceFrame *frame)
	Push rest frame of given particle. More...
static void	Pop ()
	Pop current rest frame.

Private Attributes
ROOT::Math::PxPyPzEVector	m_momentum
	momentum of RF in the lab frame
ROOT::Math::XYZVector	m_displacement
	displacement of RF origin in th lab frame
ROOT::Math::XYZVector	m_boost
	boost of RF relative to the lab frame
ROOT::Math::Boost	m_lab2restframe
	Lorentz transformation connecting lab and rest frame.

Static Private Attributes
static std::stack< const ReferenceFrame * >	m_reference_frames
	Stack of current rest frames.

Detailed Description

Rest frame of a particle.

Definition at line 132 of file ReferenceFrame.h.

Member Function Documentation

GetCurrent()

const ReferenceFrame & GetCurrent ( )

staticinherited

Get current rest frame.

Returns

RestFrame

Definition at line 26 of file ReferenceFrame.cc.

getMomentum() [1/2]

virtual ROOT::Math::PxPyPzEVector getMomentum ( const Particle *  particle ) const

inlinevirtualinherited

Wrapper for particles.

Parameters

particle

particle

Returns

momentum 4-vector in reference frame

Definition at line 60 of file ReferenceFrame.h.

getMomentum() [2/2]

ROOT::Math::PxPyPzEVector getMomentum ( const ROOT::Math::PxPyPzEVector &  vector ) const

overridevirtual

Get Lorentz vector in rest frame System.

Parameters

vector

Lorentz vector from particle

Returns

Lorentz vector in rest frame System

Implements ReferenceFrame.

Definition at line 48 of file ReferenceFrame.cc.

getMomentumErrorMatrix() [1/2]

virtual TMatrixFSym getMomentumErrorMatrix ( const Particle *  particle ) const

inlinevirtualinherited

Wrapper for particles.

Parameters

particle

particle

Returns

Covariance matrix in reference frame

Definition at line 77 of file ReferenceFrame.h.

getMomentumErrorMatrix() [2/2]

TMatrixFSym getMomentumErrorMatrix ( const TMatrixFSym &  matrix ) const

overridevirtual

Get Momentum error matrix in rest frame.

Parameters

matrix

Covariance matrix from particle

Returns

Covariance matrix in rest frame

Implements ReferenceFrame.

Definition at line 54 of file ReferenceFrame.cc.

getVertex() [1/2]

virtual ROOT::Math::XYZVector getVertex ( const Particle *  particle ) const

inlinevirtualinherited

Wrapper for particles.

Parameters

particle

Returns

3-vector in reference frame

Definition at line 43 of file ReferenceFrame.h.

getVertex() [2/2]

ROOT::Math::XYZVector getVertex ( const ROOT::Math::XYZVector &  vector ) const

overridevirtual

Get vertex 3-vector in rest frame system.

Parameters

vector

3-vector from particle

Returns

3-vector in rest frame System

Implements ReferenceFrame.

Definition at line 36 of file ReferenceFrame.cc.

getVertexErrorMatrix() [1/2]

virtual TMatrixFSym getVertexErrorMatrix ( const Particle *  particle ) const

inlinevirtualinherited

Wrapper for particles.

Parameters

particle

Returns

Covariance matrix in reference frame

Definition at line 94 of file ReferenceFrame.h.

getVertexErrorMatrix() [2/2]

TMatrixFSym getVertexErrorMatrix ( const TMatrixFSym &  matrix ) const

overridevirtual

Get Vertex error matrix in rest frame.

Parameters

matrix

Covariance matrix from particle

Returns

Covariance matrix in rest frame

Implements ReferenceFrame.

Definition at line 65 of file ReferenceFrame.cc.

Push()

static void Push ( const ReferenceFrame *  frame )

inlinestaticprivateinherited

Push rest frame of given particle.

Parameters

frame

Use this reference frame

Definition at line 110 of file ReferenceFrame.h.

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

• analysis/utility/include/ReferenceFrame.h
• analysis/utility/src/ReferenceFrame.cc