hep.lcd.vertexing.zvtop
Class ZvVertex

java.lang.Object
  |
  +--hep.lcd.vertexing.zvtop.ZvVertex

public class ZvVertex

extends Object

implements VertexInt

ZvVertex -- ZvTop vertex representation

Class provides results of topological vertexing.

Version:

$Id: ZvVertex.java,v 1.3 2001/06/13 23:51:16 walkowia Exp $

Author:

W.Walkowiak, 09/14/00

Source Code:

ZvVertex.java

Constructor Summary

ZvVertex(double[] vertexPosition)

ZvVertex(double[] vertexPosition, double[][] vertexErrorMatrix)

ZvVertex(double[] vertexPosition, double[][] vertexErrorMatrix, ZvTrackList vertexTracks)

Method Summary

void	addVtxTrack(ZvTrack track) add a track to this vertex' track list
ZvVertex	copy() make a deep copy
double	getAlphaDis() get angular displacement of vertex returns value of last calculation with last reference point!
double	getAlphaDis(double[] xIP) get angular displacement of vertex usually calculated with respect to beam spot
double	getChi2() get chi2 from vertex fit
FitStatus	getFitStatus() get fit status for this vertex cast to ZvFitStatus if needed.
double	getMass() get mass for pion hypothesis
int	getNumTracks() get number of Tracks
double	getSumCharge() get sum of charges
TrackList	getTrackList() Get the TrackList (ZvTracks).
Enumeration	getTracks() Get an enumeration of tracks (ZvTracks).
double[][]	getVertexErr() get vertex error matrix
double[]	getVertexPos() get vertex position
double	getVtxSig() get vertex significance value for vertex
ZvTrackList	getVtxTracks() get assigned tracks as track list
ZvTrackList	getVtxTracksCopy() get a copy of assigned tracks as track list
double	getX() get vertex x positon
double	getY() get vertex y positon
double	getZ() get vertex z positon
boolean	hasBeamSpot() Is the beam spot in this vertex?
boolean	hasTrack(ZvTrack track) check for track being in this vertex
void	setChi2(double chi2) set chi2 from vertex fit
void	setFitStatus(ZvFitStatus status) set fit status for this vertex
void	setHasBeamSpot(boolean hasBeamSpot) set whether beam spot is in vertex default: false
void	setMass(double massIfPions) set mass for pion hypothesis
void	setNumTracks(int numTracks) set number of Tracks
void	setSumCharge(double sumCharge) set sum of charges
void	setVertexErr(double[][] vertexErrorMatrix) set vertex error matrix
void	setVertexPos(double[] vertexPosition) set vertex position
void	setVtxSig(double vtxSig) set vertex significance value for vertex
void	setVtxTracks(ZvTrackList vTracks) set assigned tracks as track list

Methods inherited from class java.lang.Object

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

Constructor Detail

ZvVertex

public ZvVertex(double[] vertexPosition)

ZvVertex

public ZvVertex(double[] vertexPosition,
                double[][] vertexErrorMatrix)

ZvVertex

public ZvVertex(double[] vertexPosition,
                double[][] vertexErrorMatrix,
                ZvTrackList vertexTracks)

Method Detail

setVertexPos

public void setVertexPos(double[] vertexPosition)

set vertex position

Specified by:

setVertexPos in interface VertexInt

setVertexErr

public void setVertexErr(double[][] vertexErrorMatrix)

set vertex error matrix

Specified by:

setVertexErr in interface VertexInt

setVtxSig

public void setVtxSig(double vtxSig)

set vertex significance value for vertex

setChi2

public void setChi2(double chi2)

set chi2 from vertex fit

Specified by:

setChi2 in interface VertexInt

setNumTracks

public void setNumTracks(int numTracks)

set number of Tracks

setSumCharge

public void setSumCharge(double sumCharge)

set sum of charges

setMass

public void setMass(double massIfPions)

set mass for pion hypothesis

getVertexPos

public double[] getVertexPos()

get vertex position

Specified by:

getVertexPos in interface Vertex

getX

public double getX()

get vertex x positon

getY

public double getY()

get vertex y positon

getZ

public double getZ()

get vertex z positon

getVertexErr

public double[][] getVertexErr()

get vertex error matrix

Specified by:

getVertexErr in interface Vertex

getVtxSig

public double getVtxSig()

get vertex significance value for vertex

getChi2

public double getChi2()

get chi2 from vertex fit

Specified by:

getChi2 in interface Vertex

getNumTracks

public int getNumTracks()

get number of Tracks

Specified by:

getNumTracks in interface VertexInt

getSumCharge

public double getSumCharge()

get sum of charges

getMass

public double getMass()

get mass for pion hypothesis

getAlphaDis

public double getAlphaDis()

get angular displacement of vertex
returns value of last calculation with last reference point!

getAlphaDis

public double getAlphaDis(double[] xIP)

get angular displacement of vertex
usually calculated with respect to beam spot

setVtxTracks

public void setVtxTracks(ZvTrackList vTracks)

set assigned tracks as track list

addVtxTrack

public void addVtxTrack(ZvTrack track)

add a track to this vertex' track list

setFitStatus

public void setFitStatus(ZvFitStatus status)

set fit status for this vertex

getFitStatus

public FitStatus getFitStatus()

get fit status for this vertex
cast to ZvFitStatus if needed.

Specified by:

getFitStatus in interface Vertex

getVtxTracks

public ZvTrackList getVtxTracks()

get assigned tracks as track list

getVtxTracksCopy

public ZvTrackList getVtxTracksCopy()

get a copy of assigned tracks as track list

hasTrack

public boolean hasTrack(ZvTrack track)

check for track being in this vertex

setHasBeamSpot

public void setHasBeamSpot(boolean hasBeamSpot)

set whether beam spot is in vertex
default: false

hasBeamSpot

public boolean hasBeamSpot()

Is the beam spot in this vertex?

getTracks

public Enumeration getTracks()

Get an enumeration of tracks (ZvTracks).

Specified by:

getTracks in interface VertexInt

getTrackList

public TrackList getTrackList()

Get the TrackList (ZvTracks).

Specified by:

getTrackList in interface Vertex

copy

public ZvVertex copy()

make a deep copy