org.lcsim.recon.tracking.trfxyp

Class HitXYPlane2Generator

java.lang.Object

org.lcsim.recon.tracking.trfutil.RandomGenerator

org.lcsim.recon.tracking.trfbase.HitGenerator

org.lcsim.recon.tracking.trfxyp.HitXYPlane2Generator

public class HitXYPlane2Generator
extends HitGenerator

Generates two dimensional (v,z) hits on an xy plane with a gaussian spread in the measurements correlated according to the covariance matrix.

Version:

1.0

Author:

Norman A. Graf

Field Summary

Fields

Modifier and Type	Field and Description
private HitError	_dhm
private SurfXYPlane	_sxyp
private static int	IV
private static int	IZ

Constructor Summary

Constructors

Constructor and Description
HitXYPlane2Generator(double dist, double phi, HitError dhm) Construct an instance from the xy plane disance and angle and hit error covariance matrix.
HitXYPlane2Generator(double dist, double phi, HitError dhm, long iseed) Construct an instance from the xy plane disance and angle, hit error covariance matrix and random number seed.
HitXYPlane2Generator(HitXYPlane2Generator gen) Construct an instance replicating the HitXYPlane2Generator ( copy constructor ).

Method Summary

Methods

Modifier and Type	Method and Description
Cluster	newCluster(VTrack trv) Generate a new cluster.
Cluster	newCluster(VTrack trv, int mcid) Generate a new cluster with the specified Monte Carlo track ID.
Surface	surface() Return the surface associated with this HitXYPlane2Generator.
String	toString() output stream

Methods inherited from class org.lcsim.recon.tracking.trfutil.RandomGenerator

flat, gauss, seed, setSeed, setState

Methods inherited from class java.lang.Object

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

Field Detail

IV

private static final int IV

See Also:

Constant Field Values

IZ

private static final int IZ

See Also:

Constant Field Values

_sxyp

private SurfXYPlane _sxyp

_dhm

private HitError _dhm

Constructor Detail

HitXYPlane2Generator

public HitXYPlane2Generator(double dist,
                    double phi,
                    HitError dhm)

Construct an instance from the xy plane disance and angle and hit error covariance matrix.

Parameters:

dist - The shortest distance to the plane from the z axis.

phi - The angle of the normal to the plane with respect to the x axis.

dhm - The hit error covariance matrix.

HitXYPlane2Generator

public HitXYPlane2Generator(double dist,
                    double phi,
                    HitError dhm,
                    long iseed)

Construct an instance from the xy plane disance and angle, hit error covariance matrix and random number seed.

Parameters:

dist - The shortest distance to the plane from the z axis.

phi - The angle of the normal to the plane with respect to the x axis.

dhm - The hit error covariance matrix.

iseed - The seed for the random number used by the HitGenerator.

HitXYPlane2Generator

public HitXYPlane2Generator(HitXYPlane2Generator gen)

Construct an instance replicating the HitXYPlane2Generator ( copy constructor ).

Parameters:

gen - The HitXYPlane2Generator to replicate.

Method Detail

surface

public Surface surface()

Return the surface associated with this HitXYPlane2Generator.

Specified by:

surface in class HitGenerator

Returns:

The surface associated with this HitXYPlane2Generator.

newCluster

public Cluster newCluster(VTrack trv)

Generate a new cluster. Return null for failure.

Parameters:

trv - The VTrack for which to generate a cluster at this surface.

Returns:

The cluster for this track at this surface, null for failure.

newCluster

public Cluster newCluster(VTrack trv,
                 int mcid)

Generate a new cluster with the specified Monte Carlo track ID. Return null for failure.

Specified by:

newCluster in class HitGenerator

Parameters:

trv - The VTrack for which to generate a cluster at this surface.

mcid - The MC ID to associate with this cluster.

Returns:

The cluster for this track at this surface, null for failure.

toString

public String toString()

output stream

Overrides:

toString in class RandomGenerator

Returns:

A String representation of this instance.