hep.lcd.recon.tracking
Class AbsTrackFinder

java.lang.Object
  |
  +--hep.lcd.recon.tracking.AbsTrackFinder

Direct Known Subclasses:

COMBPat2, TPCPat2

public abstract class AbsTrackFinder

extends Object

implements TrackFinder

Finds tracks from 3D space points using various triplets of layers. Graded levels of pattern recognition are employed to optimize tracking efficiency.

Source Code:

AbsTrackFinder.java

Field Summary

double	ccCuts
protected double[]	Chis_tk
double	Chis_tk_factor
boolean	debug
protected DecimalFormat	df
double	dmas
boolean	doFitting
double	Dzas
protected double[][][]	Err_matr
String	Finder
protected boolean[]	fitsuccess
protected TrkFitter	fitter
protected double[]	gdmcfr_tk
protected int	Ibal
protected int	Id
protected int[]	ilon
protected int[]	ipoi
protected int[][]	itra
protected boolean[]	KFlag
protected int	Level
int	MaxLayers
int	MaxLayerToCount
protected int	MaxLevel
int	MaxPntBin
int	MaxPoints
int	MaxTracks
int	MaxTrkPts
protected MCParticle[]	MCPar_tk
protected double[]	minRadius
int	NAzBins
protected double[]	Ndof_tk
protected int	nEvt
protected int	Npatterns
protected int	npchkd
protected int[]	nPtsReq
protected int	ntra
protected int	ntras
protected boolean[]	outp
protected boolean[]	outt
protected int	Paternmb
double	rOut
double	rPipe
double	rTol
protected double[]	si
double	small
protected Specifications	specs
TrkFindStrategy	Strategy
protected HelicalSwimmer	swmr
int	tooMany
Tracker	tracker
protected double[][]	trackPar
protected int[][]	triplets
protected double	trkmom
protected TrkParams	trkprms
protected double[]	tz
protected boolean	useFitter
boolean	vxdIncluded
protected double[]	x
protected double[]	xc
protected double[]	xd
protected double[]	xxc
protected double[]	y
protected double[]	yc
protected double[]	yd
protected double[]	yyc
protected double[]	z
protected double[]	zd
double	zTol

Constructor Summary

AbsTrackFinder(int MaxTracks, int MaxTrkPts, boolean hist)

Method Summary

int	assignPoints(int it, int nLayers, double Ddzax, double Dmasu, int MaxPts, int[][] ipnt, double[] Sang, double[] Chis, double[] ChisN) Assigns given points to the track.
void	findTracks(int level, int nPoints, int nLayers) Find tracks.
boolean	fitSuccess(int itrk)
double	get_curv(int itrk) Get ...
double	get_d0(int itrk) Get ...
double	get_phi0(int itrk) Get ...
double	get_tandip(int itrk) Get ...
double	get_z0(int itrk) Get ...
double	getChi2(int itrk)
double[][]	getErrMatr(int itrk)
double	getFrHtsSameMC(int it)
int	getMaxLevel() Get maximum level of pattern recognition.
MCParticle	getMCParticle(int itrk)
double	getNDF(int itrk)
int	getNPoints(int itrk) Get number of points on a track.
int	getNTracks() Get number of track found.
TrkFindStrategy	getStrategy()
Tracker	getTracker()
double[]	getTrkParam(int itrk) Get track parameters.
int[]	getTrkPnts(int itrk) Get a point on the track.
protected boolean	isDuplicate()
protected void	makeTrack(int nLayers, int numberPtsRequired, int innerLayer, int Ibal, double Ddzax, double Dmasu, double curv, double gamma1, double gamma2)
protected void	markUsedHits(boolean[] Kflg)
void	putFrHtsSameMC(int it, double fr)
void	replaceTrkPrms(int itrk, double[] newpar) To replace track params by fitter output
protected void	selectThreePoints(int nPoints, int nLayers, double radiusMin, int innerLayer, int middleLayer, int outerLayer, int numberPtsRequired)
void	setFitter(TrkFitter ftr)
void	setMCParticle(int it, MCParticle mcp)
void	setupFinder(Tracker tracker) Setup Finder parameters and initiate callback to set pattern recognition strategy.
abstract void	setupParameters()
void	setupStrategy(int MaxLevel, double[] minRadius, int Npatterns, int[][] triplets, int[] nPtsReq) Setup pattern recognition strategy.
void	updateFitStatus(int it, TrkFitter ftr)

Methods inherited from class java.lang.Object

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

Field Detail

Finder

public String Finder

tracker

public Tracker tracker

MaxTracks

public int MaxTracks

MaxTrkPts

public int MaxTrkPts

MaxLayers

public final int MaxLayers

MaxPoints

public final int MaxPoints

NAzBins

public final int NAzBins

MaxPntBin

public final int MaxPntBin

MaxLayerToCount

public int MaxLayerToCount

vxdIncluded

public boolean vxdIncluded

doFitting

public boolean doFitting

debug

public boolean debug

Strategy

public TrkFindStrategy Strategy

trkprms

protected TrkParams trkprms

trkmom

protected double trkmom

specs

protected Specifications specs

x

protected double[] x

y

protected double[] y

z

protected double[] z

ipoi

protected int[] ipoi

ilon

protected int[] ilon

KFlag

protected boolean[] KFlag

swmr

protected HelicalSwimmer swmr

fitter

protected TrkFitter fitter

useFitter

protected boolean useFitter

df

protected DecimalFormat df

nEvt

protected int nEvt

ntra

protected int ntra

ntras

protected int ntras

trackPar

protected double[][] trackPar

itra

protected int[][] itra

xd

protected double[] xd

yd

protected double[] yd

zd

protected double[] zd

xc

protected double[] xc

yc

protected double[] yc

xxc

protected double[] xxc

yyc

protected double[] yyc

si

protected double[] si

tz

protected double[] tz

outp

protected boolean[] outp

outt

protected boolean[] outt

fitsuccess

protected boolean[] fitsuccess

Chis_tk

protected double[] Chis_tk

Ndof_tk

protected double[] Ndof_tk

Err_matr

protected double[][][] Err_matr

MCPar_tk

protected MCParticle[] MCPar_tk

gdmcfr_tk

protected double[] gdmcfr_tk

MaxLevel

protected int MaxLevel

minRadius

protected double[] minRadius

Npatterns

protected int Npatterns

triplets

protected int[][] triplets

nPtsReq

protected int[] nPtsReq

Level

protected int Level

Paternmb

protected int Paternmb

npchkd

protected int npchkd

tooMany

public int tooMany

Id

protected int Id

Ibal

protected int Ibal

dmas

public double dmas

Dzas

public double Dzas

rTol

public double rTol

zTol

public double zTol

rPipe

public double rPipe

rOut

public double rOut

small

public double small

ccCuts

public double ccCuts

Chis_tk_factor

public double Chis_tk_factor

Constructor Detail

AbsTrackFinder

public AbsTrackFinder(int MaxTracks,
                      int MaxTrkPts,
                      boolean hist)

Method Detail

setupFinder

public void setupFinder(Tracker tracker)

Setup Finder parameters and initiate callback to set pattern recognition strategy.

Specified by:

setupFinder in interface TrackFinder

getTracker

public Tracker getTracker()

getStrategy

public TrkFindStrategy getStrategy()

Specified by:

getStrategy in interface TrackFinder

setupParameters

public abstract void setupParameters()

setupStrategy

public void setupStrategy(int MaxLevel,
                          double[] minRadius,
                          int Npatterns,
                          int[][] triplets,
                          int[] nPtsReq)

Setup pattern recognition strategy.

Specified by:

setupStrategy in interface TrackFinder

setFitter

public void setFitter(TrkFitter ftr)

Specified by:

setFitter in interface TrackFinder

getMaxLevel

public int getMaxLevel()

Get maximum level of pattern recognition.

Specified by:

getMaxLevel in interface TrackFinder

getNTracks

public int getNTracks()

Description copied from interface: TrackFinder

Get number of track found.

Specified by:

getNTracks in interface TrackFinder

get_d0

public double get_d0(int itrk)

Description copied from interface: TrackFinder

Get ...

Specified by:

get_d0 in interface TrackFinder

get_phi0

public double get_phi0(int itrk)

Description copied from interface: TrackFinder

Get ...

Specified by:

get_phi0 in interface TrackFinder

get_curv

public double get_curv(int itrk)

Description copied from interface: TrackFinder

Get ...

Specified by:

get_curv in interface TrackFinder

get_z0

public double get_z0(int itrk)

Description copied from interface: TrackFinder

Get ...

Specified by:

get_z0 in interface TrackFinder

get_tandip

public double get_tandip(int itrk)

Description copied from interface: TrackFinder

Get ...

Specified by:

get_tandip in interface TrackFinder

getTrkParam

public double[] getTrkParam(int itrk)

Description copied from interface: TrackFinder

Get track parameters.

Specified by:

getTrkParam in interface TrackFinder

getNPoints

public int getNPoints(int itrk)

Description copied from interface: TrackFinder

Get number of points on a track.

Specified by:

getNPoints in interface TrackFinder

getTrkPnts

public int[] getTrkPnts(int itrk)

Description copied from interface: TrackFinder

Get a point on the track.

Specified by:

getTrkPnts in interface TrackFinder

getChi2

public double getChi2(int itrk)

Specified by:

getChi2 in interface TrackFinder

getNDF

public double getNDF(int itrk)

Specified by:

getNDF in interface TrackFinder

getErrMatr

public double[][] getErrMatr(int itrk)

Specified by:

getErrMatr in interface TrackFinder

getMCParticle

public MCParticle getMCParticle(int itrk)

Specified by:

getMCParticle in interface TrackFinder

setMCParticle

public void setMCParticle(int it,
                          MCParticle mcp)

Specified by:

setMCParticle in interface TrackFinder

getFrHtsSameMC

public double getFrHtsSameMC(int it)

Specified by:

getFrHtsSameMC in interface TrackFinder

putFrHtsSameMC

public void putFrHtsSameMC(int it,
                           double fr)

Specified by:

putFrHtsSameMC in interface TrackFinder

fitSuccess

public boolean fitSuccess(int itrk)

Specified by:

fitSuccess in interface TrackFinder

replaceTrkPrms

public void replaceTrkPrms(int itrk,
                           double[] newpar)

Description copied from interface: TrackFinder

To replace track params by fitter output

Specified by:

replaceTrkPrms in interface TrackFinder

updateFitStatus

public void updateFitStatus(int it,
                            TrkFitter ftr)

Specified by:

updateFitStatus in interface TrackFinder

findTracks

public void findTracks(int level,
                       int nPoints,
                       int nLayers)

Description copied from interface: TrackFinder

Find tracks.

Specified by:

findTracks in interface TrackFinder

selectThreePoints

protected void selectThreePoints(int nPoints,
                                 int nLayers,
                                 double radiusMin,
                                 int innerLayer,
                                 int middleLayer,
                                 int outerLayer,
                                 int numberPtsRequired)

markUsedHits

protected void markUsedHits(boolean[] Kflg)

isDuplicate

protected boolean isDuplicate()

makeTrack

protected void makeTrack(int nLayers,
                         int numberPtsRequired,
                         int innerLayer,
                         int Ibal,
                         double Ddzax,
                         double Dmasu,
                         double curv,
                         double gamma1,
                         double gamma2)

assignPoints

public int assignPoints(int it,
                        int nLayers,
                        double Ddzax,
                        double Dmasu,
                        int MaxPts,
                        int[][] ipnt,
                        double[] Sang,
                        double[] Chis,
                        double[] ChisN)

Description copied from interface: TrackFinder

Assigns given points to the track.

Specified by:

assignPoints in interface TrackFinder