org.lcsim.recon.tracking.trffit

Class TrackMcHitInfo

java.lang.Object

org.lcsim.recon.tracking.trffit.TrackMcHitInfo

public class TrackMcHitInfo
extends Object

TrackMcHitInfo handles information about the MC Id of the hits on a track.

Version:

1.0

Author:

Norman A. Graf

Field Summary

Fields

Modifier and Type	Field and Description
private int	_bestid
private List	_mcidlist
private Map	_mcidmap
private int	_numhits
private double	_purity

Constructor Summary

Constructors

Constructor and Description
TrackMcHitInfo() Default Constructor leaves the object incomplete
TrackMcHitInfo(int nhits, Map mcidmap) Full Constructor

Method Summary

Methods

Modifier and Type	Method and Description
int	bestMcId() Return the best MC ID for this track.
List	mc_idlist() Return the full list of MC IDs.
Map	mcHitNumber() Return a map of MC IDs with the number of hits for that ID.
int	numHits() Return the number of hits on this track.
double	purity() Return the purity of this track.
String	toString() Output stream

Methods inherited from class java.lang.Object

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

Field Detail

_mcidmap

private Map _mcidmap

_numhits

private int _numhits

_bestid

private int _bestid

_purity

private double _purity

_mcidlist

private List _mcidlist

Constructor Detail

TrackMcHitInfo

public TrackMcHitInfo()

Default Constructor leaves the object incomplete

TrackMcHitInfo

public TrackMcHitInfo(int nhits,
              Map mcidmap)

Full Constructor

Parameters:

nhits - The number of hits on this track.

mcidmap - The map of number of hits per MC ID keyed on id.

Method Detail

bestMcId

public int bestMcId()

Return the best MC ID for this track. This is defined as the MC ID with the most number of Hits (not measurements!)

Returns:

The MC Track ID for this track.

purity

public double purity()

Return the purity of this track. This is defined as the ratio of number of hits with best id to total number of hits

Returns:

The purity of the track defined as the ratio of the number of best MC ID its to the total number of hits on the track.

numHits

public int numHits()

Return the number of hits on this track.

Returns:

The total number of hits on this track. Note that this is not the number of measurements, or degrees of freedom.

mc_idlist

public List mc_idlist()

Return the full list of MC IDs.

Returns:

The list of MC IDs associated with this track.

mcHitNumber

public Map mcHitNumber()

Return a map of MC IDs with the number of hits for that ID.

Returns:

Map keyed on MC ID containing the number of hits for that ID.

toString

public String toString()

Output stream

Overrides:

toString in class Object

Returns:

String representation of the class