Package org.jlab.rec.dc.track.fit

Class StateVecsDoca

java.lang.Object

org.jlab.rec.dc.track.fit.StateVecsDoca

public class StateVecsDoca
extends Object

Author:

ziegler

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	StateVecsDoca.CovMat	The track covariance matrix
class	StateVecsDoca.StateVec	The state vector representing the track at a given measurement site

Field Summary

Fields

Modifier and Type	Field	Description
StateVecsDoca.CovMat	CovMat
org.jlab.jnp.matrix.Matrix	F
StateVecsDoca.StateVec	StateVec
Map<Integer,StateVecsDoca.CovMat>	trackCov
Map<Integer,StateVecsDoca.StateVec>	trackTraj
double[]	Z

Constructor Summary

Constructors

Constructor	Description
StateVecsDoca(Swim swimmer)	State vector representing the track in the sector coordinate system at the measurement layer

Method Summary

Modifier and Type	Method	Description
double	getX0(double z)
void	init(Track trkcand, double z0, KFitterDoca kf, int c)
void	printMatrix(org.jlab.jnp.matrix.Matrix C)
void	setMass(int hypo, double mass)
org.jlab.jnp.matrix.Matrix	transport(int sector, int i, double Zf, StateVecsDoca.StateVec iVec, StateVecsDoca.CovMat covMat)
void	transport(int sector, int i, int f, StateVecsDoca.StateVec iVec, StateVecsDoca.CovMat covMat)
void	transportFixed(int sector, int i, int f, StateVecsDoca.StateVec iVec, StateVecsDoca.CovMat covMat)

Methods inherited from class java.lang.Object

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

Field Details

Z

public double[] Z

trackTraj

public Map<Integer,StateVecsDoca.StateVec> trackTraj

trackCov

public Map<Integer,StateVecsDoca.CovMat> trackCov

StateVec

public StateVecsDoca.StateVec StateVec

CovMat

public StateVecsDoca.CovMat CovMat

F

public org.jlab.jnp.matrix.Matrix F

Constructor Details

StateVecsDoca

public StateVecsDoca(Swim swimmer)

State vector representing the track in the sector coordinate system at the measurement layer

Parameters:

swimmer -

Method Details

transport

public org.jlab.jnp.matrix.Matrix transport(int sector,
 int i,
 double Zf,
 StateVecsDoca.StateVec iVec,
 StateVecsDoca.CovMat covMat)

Parameters:

sector -

i - initial state vector index

Zf -

iVec - state vector at the initial index

covMat - state covariance matrix at the initial index

Returns:

transport

public void transport(int sector,
 int i,
 int f,
 StateVecsDoca.StateVec iVec,
 StateVecsDoca.CovMat covMat)

Parameters:

sector -

i - initial state vector index

f - final state vector index

iVec - state vector at the initial index

covMat - state covariance matrix at the initial index

getX0

public double getX0(double z)

transportFixed

public void transportFixed(int sector,
 int i,
 int f,
 StateVecsDoca.StateVec iVec,
 StateVecsDoca.CovMat covMat)

Parameters:

sector -

i - initial state vector index

f - final state vector index

iVec - state vector at the initial index

covMat - state covariance matrix at the initial index

setMass

public void setMass(int hypo,
 double mass)

init

public void init(Track trkcand,
 double z0,
 KFitterDoca kf,
 int c)

Parameters:

trkcand - the track candidate

z0 - the value in z to which the track is swam back to

kf - the final state measurement index

c -

printMatrix

public void printMatrix(org.jlab.jnp.matrix.Matrix C)