pandora::ClusterFitHelper Class Reference

ClusterFitHelper class. More...

#include "ClusterFitHelper.h"

Static Public Member Functions
static StatusCode	FitStart (const Cluster *const pCluster, const unsigned int maxOccupiedLayers, ClusterFitResult &clusterFitResult)
	Fit points in first n occupied pseudolayers of a cluster.
static StatusCode	FitEnd (const Cluster *const pCluster, const unsigned int maxOccupiedLayers, ClusterFitResult &clusterFitResult)
	Fit points in last n occupied pseudolayers of a cluster.
static StatusCode	FitFullCluster (const Cluster *const pCluster, ClusterFitResult &clusterFitResult)
	Fit all points in a cluster.
static StatusCode	FitLayers (const Cluster *const pCluster, const unsigned int startLayer, const unsigned int endLayer, ClusterFitResult &clusterFitResult)
	Fit all cluster points within the specified (inclusive) pseudolayer range.
static StatusCode	FitLayerCentroids (const Cluster *const pCluster, const unsigned int startLayer, const unsigned int endLayer, ClusterFitResult &clusterFitResult)
	Fit all cluster centroids within the specified (inclusive) pseudolayer range.
static StatusCode	FitPoints (ClusterFitPointList &clusterFitPointList, ClusterFitResult &clusterFitResult)
	Perform linear regression of x vs d and y vs d and z vs d (assuming same error on all hits)

Static Private Member Functions
static StatusCode	PerformLinearFit (const CartesianVector &centralPosition, const CartesianVector &centralDirection, ClusterFitPointList &clusterFitPointList, ClusterFitResult &clusterFitResult)
	Perform linear fit to cluster fit points.

Detailed Description

ClusterFitHelper class.

Definition at line 214 of file ClusterFitHelper.h.

Member Function Documentation

FitEnd()

StatusCode pandora::ClusterFitHelper::FitEnd ( const Cluster *const  pCluster, const unsigned int  maxOccupiedLayers, ClusterFitResult &  clusterFitResult  )

static

Fit points in last n occupied pseudolayers of a cluster.

Parameters

pCluster	the cluster containing the ordered list of calo hits to fit
maxOccupiedLayers	the maximum number of occupied pseudo layers to consider
clusterFitResult	to receive the cluster fit result

Definition at line 53 of file ClusterFitHelper.cc.

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FitFullCluster()

StatusCode pandora::ClusterFitHelper::FitFullCluster ( const Cluster *const  pCluster, ClusterFitResult &  clusterFitResult  )

static

Fit all points in a cluster.

Parameters

pCluster	the cluster containing the ordered list of calo hits to fit
clusterFitResult	to receive the cluster fit result

Definition at line 86 of file ClusterFitHelper.cc.

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FitLayerCentroids()

StatusCode pandora::ClusterFitHelper::FitLayerCentroids ( const Cluster *const  pCluster, const unsigned int  startLayer, const unsigned int  endLayer, ClusterFitResult &  clusterFitResult  )

static

Fit all cluster centroids within the specified (inclusive) pseudolayer range.

Parameters

pCluster	the cluster containing the ordered list of calo hits to fit
startLayer	the start of the pseudolayer range
endLayer	the end of the pseudolayer range
clusterFitResult	to receive the cluster fit result

Definition at line 148 of file ClusterFitHelper.cc.

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FitLayers()

StatusCode pandora::ClusterFitHelper::FitLayers ( const Cluster *const  pCluster, const unsigned int  startLayer, const unsigned int  endLayer, ClusterFitResult &  clusterFitResult  )

static

Fit all cluster points within the specified (inclusive) pseudolayer range.

Parameters

pCluster	the cluster containing the ordered list of calo hits to fit
startLayer	the start of the pseudolayer range
endLayer	the end of the pseudolayer range
clusterFitResult	to receive the cluster fit result

Definition at line 111 of file ClusterFitHelper.cc.

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FitPoints()

StatusCode pandora::ClusterFitHelper::FitPoints ( ClusterFitPointList &  clusterFitPointList, ClusterFitResult &  clusterFitResult  )

static

Perform linear regression of x vs d and y vs d and z vs d (assuming same error on all hits)

Parameters

clusterFitPointList	list of cluster fit points
clusterFitResult	to receive the cluster fit result

Definition at line 206 of file ClusterFitHelper.cc.

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FitStart()

StatusCode pandora::ClusterFitHelper::FitStart ( const Cluster *const  pCluster, const unsigned int  maxOccupiedLayers, ClusterFitResult &  clusterFitResult  )

static

Fit points in first n occupied pseudolayers of a cluster.

Parameters

pCluster	the cluster containing the ordered list of calo hits to fit
maxOccupiedLayers	the maximum number of occupied pseudo layers to consider
clusterFitResult	to receive the cluster fit result

Definition at line 20 of file ClusterFitHelper.cc.

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PerformLinearFit()

StatusCode pandora::ClusterFitHelper::PerformLinearFit ( const CartesianVector &  centralPosition, const CartesianVector &  centralDirection, ClusterFitPointList &  clusterFitPointList, ClusterFitResult &  clusterFitResult  )

staticprivate

Perform linear fit to cluster fit points.

Parameters

centralPosition	central position of the cluster fit points
centralDirection	central direction of normal to cluster fit calorimeter cells
clusterFitPointList	list of cluster fit points
clusterFitResult	to receive the cluster fit result

Definition at line 239 of file ClusterFitHelper.cc.

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

• PandoraSDK/include/Helpers/ClusterFitHelper.h
• PandoraSDK/src/Helpers/ClusterFitHelper.cc