org.lcsim.recon.cluster.util

Class FixedConeClusterPropertyCalculator

java.lang.Object

org.lcsim.recon.cluster.util.FixedConeClusterPropertyCalculator

All Implemented Interfaces:

ClusterPropertyCalculator

public class FixedConeClusterPropertyCalculator
extends Object
implements ClusterPropertyCalculator

A class encapsulating the behavior of a calorimeter cluster.

Version:

1.0

Author:

Norman A. Graf

Field Summary

Fields

Modifier and Type	Field and Description
private double[]	_centroid
private double	_chisq
private double	_clusterEnergy
private IDDecoder	_decoder
private double[]	_directionCosines
private double	_highestCellEnergy
private CalorimeterHit	_hottestCell
private double	_iphi
private boolean	_isEndCap
private boolean	_isNorth
private double	_itheta
private double[]	_layerEnergy
private double[]	_layerWidth
private double	_samplingFraction
private Lorentz4Vector	_vec
private double	_width
private int	layers

Constructor Summary

Constructors

Constructor and Description
FixedConeClusterPropertyCalculator() Fully qualified constructor

Method Summary

Methods

Modifier and Type	Method and Description
void	calculateProperties(Cluster cluster) Calculate properties from a cluster.
void	calculateProperties(List<CalorimeterHit> hits) Calculate properties from a CalorimeterHit list.
Lorentz4Vector	calculateVec(List<CalorimeterHit> hits) Calculate the cluster four-momentum.
double[]	centroid() The unweighted spatial centroid (x,y,z) of the cluster line fit
double	chisq()
double	clusterEnergy() The cluster energy corrected for sampling fractions
double[]	directionCosines() The direction cosines of the cluster line fit
double[]	getDirectionError() Return direction error
double	getIPhi() Return phi direction
double	getITheta() Return theta direction
double[]	getPosition() Return position
double[]	getPositionError() Return position error
double[]	getShapeParameters() Return shape parameters
double	highestCellEnergy() The energy of the highest energy cell in this cluster
CalorimeterHit	hottestCell() The CalorimeterHit in this cluster with the highest energy
boolean	isEndCap() Returns topological position of cluster.
boolean	isNorth() Returns topological position of cluster.
double[]	layerEnergies() The cluster layer energies
double	layerEnergy(int layer) The cluster energy deposited in a specific layer
double	layerWidth(int layer) The cluster width (energy second moment) deposited in a specific layer
void	setChisq(double chisq)
Lorentz4Vector	vector() The cluster four-momentum
double	width() The cluster width (energy second moment).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

_decoder

private IDDecoder _decoder

_vec

private Lorentz4Vector _vec

_width

private double _width

_layerEnergy

private double[] _layerEnergy

_clusterEnergy

private double _clusterEnergy

_layerWidth

private double[] _layerWidth

_centroid

private double[] _centroid

_directionCosines

private double[] _directionCosines

_samplingFraction

private double _samplingFraction

_hottestCell

private CalorimeterHit _hottestCell

_highestCellEnergy

private double _highestCellEnergy

_isEndCap

private boolean _isEndCap

_isNorth

private boolean _isNorth

_chisq

private double _chisq

layers

private int layers

_itheta

private double _itheta

_iphi

private double _iphi

Constructor Detail

FixedConeClusterPropertyCalculator

public FixedConeClusterPropertyCalculator()

Fully qualified constructor

Method Detail

calculateProperties

public void calculateProperties(Cluster cluster)

Description copied from interface: ClusterPropertyCalculator

Calculate properties from a cluster.

Specified by:

calculateProperties in interface ClusterPropertyCalculator

calculateProperties

public void calculateProperties(List<CalorimeterHit> hits)

Description copied from interface: ClusterPropertyCalculator

Calculate properties from a CalorimeterHit list.

Specified by:

calculateProperties in interface ClusterPropertyCalculator

calculateVec

public Lorentz4Vector calculateVec(List<CalorimeterHit> hits)

Calculate the cluster four-momentum. The Lorentz four-vector is derived from the cluster cells.

width

public double width()

The cluster width (energy second moment).

Returns:

The cluster width

vector

public Lorentz4Vector vector()

The cluster four-momentum

Returns:

The Lorentz four-vector

layerEnergy

public double layerEnergy(int layer)

The cluster energy deposited in a specific layer

Returns:

The cluster energy in layer layer

layerEnergies

public double[] layerEnergies()

The cluster layer energies

Returns:

The array of cluster energies in each layer.

clusterEnergy

public double clusterEnergy()

The cluster energy corrected for sampling fractions

Returns:

The cluster energy

highestCellEnergy

public double highestCellEnergy()

The energy of the highest energy cell in this cluster

Returns:

The energy of the highest energy cell in this cluster corrected by the sampling fraction.

hottestCell

public CalorimeterHit hottestCell()

The CalorimeterHit in this cluster with the highest energy

Returns:

The CalorimeterHit in this cluster with the highest energy

layerWidth

public double layerWidth(int layer)

The cluster width (energy second moment) deposited in a specific layer

Returns:

The cluster width in layer layer

centroid

public double[] centroid()

The unweighted spatial centroid (x,y,z) of the cluster line fit

Returns:

The unweighted spatial centroid (x,y,z) of the cluster

directionCosines

public double[] directionCosines()

The direction cosines of the cluster line fit

Returns:

The direction cosines of the cluster

isEndCap

public boolean isEndCap()

Returns topological position of cluster.

Returns:

true if in EndCap

isNorth

public boolean isNorth()

Returns topological position of cluster.

Returns:

true if in "North" EndCap

setChisq

public void setChisq(double chisq)

chisq

public double chisq()

getPosition

public double[] getPosition()

Description copied from interface: ClusterPropertyCalculator

Return position

Specified by:

getPosition in interface ClusterPropertyCalculator

getPositionError

public double[] getPositionError()

Description copied from interface: ClusterPropertyCalculator

Return position error

Specified by:

getPositionError in interface ClusterPropertyCalculator

getIPhi

public double getIPhi()

Description copied from interface: ClusterPropertyCalculator

Return phi direction

Specified by:

getIPhi in interface ClusterPropertyCalculator

getITheta

public double getITheta()

Description copied from interface: ClusterPropertyCalculator

Return theta direction

Specified by:

getITheta in interface ClusterPropertyCalculator

getDirectionError

public double[] getDirectionError()

Description copied from interface: ClusterPropertyCalculator

Return direction error

Specified by:

getDirectionError in interface ClusterPropertyCalculator

getShapeParameters

public double[] getShapeParameters()

Description copied from interface: ClusterPropertyCalculator

Return shape parameters

Specified by:

getShapeParameters in interface ClusterPropertyCalculator