Package org.jlab.rec.dc.track

Class TrackCandListFinder

java.lang.Object

org.jlab.rec.dc.track.TrackCandListFinder

public class TrackCandListFinder
extends Object

A class with a method implementing an algorithm that finds lists of track candidates in the DC

Author:

ziegler, tongtong

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	TrackCandListFinder.HitOnTrack

Constructor Summary

Constructors

Constructor	Description
TrackCandListFinder(String stat)

Method Summary

Modifier and Type	Method	Description
void	getInitState(Track trkcand, double z0, int c, AStateVecs.StateVec initStateVec, Swim dcSwim, float[] bf)
List<Surface>	getMeasSurfaces(Track trkcand, DCGeant4Factory DcDetector)
List<Track>	getTrackCands(CrossList crossList, DCGeant4Factory DcDetector, double TORSCALE, Swim dcSwim, boolean donotapplyCuts)
void	matchHits(List<StateVec> stateVecAtPlanesList, Track trk, DCGeant4Factory DcDetector, Swim dcSwim)
void	removeOverlappingTracks(List<Track> trkcands)
void	removeOverlappingTracksOld(List<Track> trkcands)
void	setHitDoubletsInfo(Segment seg)
List<StateVec>	setKFStateVecsAlongTrajectory(KFitter kFZRef, double deltaPathToVtx)
List<StateVec>	setKFStateVecsAlongTrajectory(KFitterStraight kFZRef, double deltaPathToVtx)
void	setTrackPars(Track cand, Trajectory traj, TrajectoryFinder trjFind, StateVec stateVec, double z, DCGeant4Factory getDcDetector, Swim dcSwim)
void	setTrackPars(Track cand, Trajectory traj, TrajectoryFinder trjFind, StateVec stateVec, double z, DCGeant4Factory getDcDetector, Swim dcSwim, double xB, double yB)

Methods inherited from class java.lang.Object

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

Constructor Details

TrackCandListFinder

public TrackCandListFinder(String stat)

Parameters:

stat - the tracking status Hit-based or Time-based

Method Details

getTrackCands

public List<Track> getTrackCands(CrossList crossList,
 DCGeant4Factory DcDetector,
 double TORSCALE,
 Swim dcSwim,
 boolean donotapplyCuts)

Parameters:

crossList - the input list of crosses

DcDetector -

TORSCALE -

dcSwim -

donotapplyCuts -

Returns:

a list of track candidates in the DC

setTrackPars

public void setTrackPars(Track cand,
 Trajectory traj,
 TrajectoryFinder trjFind,
 StateVec stateVec,
 double z,
 DCGeant4Factory getDcDetector,
 Swim dcSwim)

Parameters:

cand - the track candidate

traj - the track trajectory

trjFind - the track trajectory utility

stateVec - the track state vector at the last measurement site used by the Kalman Filter

z - the z position in the tilted sector coordinate system at the last measurement site

getDcDetector - the detector geometry

dcSwim -

setTrackPars

public void setTrackPars(Track cand,
 Trajectory traj,
 TrajectoryFinder trjFind,
 StateVec stateVec,
 double z,
 DCGeant4Factory getDcDetector,
 Swim dcSwim,
 double xB,
 double yB)

removeOverlappingTracksOld

public void removeOverlappingTracksOld(List<Track> trkcands)

removeOverlappingTracks

public void removeOverlappingTracks(List<Track> trkcands)

matchHits

public void matchHits(List<StateVec> stateVecAtPlanesList,
 Track trk,
 DCGeant4Factory DcDetector,
 Swim dcSwim)

setHitDoubletsInfo

public void setHitDoubletsInfo(Segment seg)

setKFStateVecsAlongTrajectory

public List<StateVec> setKFStateVecsAlongTrajectory(KFitter kFZRef,
 double deltaPathToVtx)

setKFStateVecsAlongTrajectory

public List<StateVec> setKFStateVecsAlongTrajectory(KFitterStraight kFZRef,
 double deltaPathToVtx)

getInitState

public void getInitState(Track trkcand,
 double z0,
 int c,
 AStateVecs.StateVec initStateVec,
 Swim dcSwim,
 float[] bf)

getMeasSurfaces

public List<Surface> getMeasSurfaces(Track trkcand,
 DCGeant4Factory DcDetector)