org.lcsim.recon.tracking.trfbase

Class PropDispatch

java.lang.Object

org.lcsim.recon.tracking.trfbase.Propagator

org.lcsim.recon.tracking.trfbase.PropDispatch

public class PropDispatch
extends Propagator

This is propagator dispatcher. Propagators are registered for each pair of initial and final surface types. The appropriate propagator is then invoked when any of the usual propagator methods are called.

Version:

1.0

Author:

Norman A. Graf

Field Summary

Fields

Modifier and Type	Field and Description
private Map	_props

Constructor Summary

Constructors

Constructor and Description
PropDispatch() constructor

Method Summary

Methods

Modifier and Type	Method and Description
int	addPropagator(String stype1, String stype2, Propagator prop) register a propagator return nonzero for error (e.g.
PropStat	errDirProp(ETrack trv, Surface srf, PropDir dir) propagate a track with error in the specified direction
PropStat	errDirProp(ETrack trv, Surface srf, PropDir dir, TrackDerivative der) propagate a track with error in the specified direction
PropStat	errProp(ETrack trv, Surface srf) propagate a track with error
PropStat	errProp(ETrack trv, Surface srf, TrackDerivative der) propagate a track with error
Propagator	newPropagator() Clone
Propagator	propagator(String stype1, String stype2) Return the propagator for a specified pair of surfaces.
int	propagatorCount() Return the number of registrations.
static String	staticType() Return the type.
String	toString() output stream
String	type() Return the type.
static String	typeName() Return the type name.
PropStat	vecDirProp(VTrack trv, Surface srf, PropDir dir) propagate a track without error in the specified direction
PropStat	vecDirProp(VTrack trv, Surface srf, PropDir dir, TrackDerivative der) propagate a track without error in the specified direction
PropStat	vecProp(VTrack trv, Surface srf) propagate a track without error
PropStat	vecProp(VTrack trv, Surface srf, TrackDerivative der) propagate a track without error

Methods inherited from class org.lcsim.recon.tracking.trfbase.Propagator

reduce, reduceDirection

Methods inherited from class java.lang.Object

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

Field Detail

_props

private Map _props

Constructor Detail

PropDispatch

public PropDispatch()

constructor

Method Detail

typeName

public static String typeName()

Return the type name.

Returns:

String representation of this class type Included for completeness with C++ code

staticType

public static String staticType()

Return the type.

Returns:

tring representation of this class type Included for completeness with C++ code

toString

public String toString()

output stream

Overrides:

toString in class Object

Returns:

String representation of this class

type

public String type()

Return the type.

Returns:

String representation of this class type Included for completeness with C++ code

addPropagator

public int addPropagator(String stype1,
                String stype2,
                Propagator prop)

register a propagator return nonzero for error (e.g. surface pair already used)

Parameters:

stype1 - first Surface type

stype2 - econd Surface type

prop - Propagator to use

Returns:

0 if this combination not yet added

propagatorCount

public int propagatorCount()

Return the number of registrations.

Returns:

number of registered propagators

propagator

public Propagator propagator(String stype1,
                    String stype2)

Return the propagator for a specified pair of surfaces.

Parameters:

stype1 - first Surface type

stype2 - second Surface type

Returns:

Propagator for this pair of Surfaces

newPropagator

public Propagator newPropagator()

Clone

Specified by:

newPropagator in class Propagator

Returns:

new copy of this Propagator

vecProp

public PropStat vecProp(VTrack trv,
               Surface srf)

propagate a track without error

Overrides:

vecProp in class Propagator

Parameters:

trv - VTrack to propagate

srf - Surface to propagate to

Returns:

propagation status

vecProp

public PropStat vecProp(VTrack trv,
               Surface srf,
               TrackDerivative der)

propagate a track without error

Specified by:

vecProp in class Propagator

Parameters:

trv - VTrack to propagate

srf - Surface to propagate to

der - TrackDerivative to update at Surface srf

Returns:

propagation status

vecDirProp

public PropStat vecDirProp(VTrack trv,
                  Surface srf,
                  PropDir dir)

propagate a track without error in the specified direction

Overrides:

vecDirProp in class Propagator

Parameters:

trv - VTrack to propagate

srf - Surface to propagate to

dir - direction in which to propagate

Returns:

propagation status

vecDirProp

public PropStat vecDirProp(VTrack trv,
                  Surface srf,
                  PropDir dir,
                  TrackDerivative der)

propagate a track without error in the specified direction

Specified by:

vecDirProp in class Propagator

Parameters:

trv - VTrack to propagate

srf - Surface to propagate to

dir - direction in which to propagate

der - TrackDerivative to update at Surface srf

Returns:

propagation status

errProp

public PropStat errProp(ETrack trv,
               Surface srf)

propagate a track with error

Overrides:

errProp in class Propagator

Parameters:

trv - ETrack to propagate

srf - Surface to propagate to

Returns:

propagation status

errProp

public PropStat errProp(ETrack trv,
               Surface srf,
               TrackDerivative der)

propagate a track with error

Overrides:

errProp in class Propagator

Parameters:

trv - ETrack to propagate

srf - Surface to propagate to

der - TrackDerivative to update at Surface srf

Returns:

propagation status

errDirProp

public PropStat errDirProp(ETrack trv,
                  Surface srf,
                  PropDir dir)

propagate a track with error in the specified direction

Overrides:

errDirProp in class Propagator

Parameters:

trv - ETrack to propagate

srf - Surface to propagate to

dir - direction in which to propagate

Returns:

propagation status

errDirProp

public PropStat errDirProp(ETrack trv,
                  Surface srf,
                  PropDir dir,
                  TrackDerivative der)

propagate a track with error in the specified direction

Overrides:

errDirProp in class Propagator

Parameters:

trv - ETrack to propagate

srf - Surface to propagate to

dir - direction in which to propagate

der - TrackDerivative to update at Surface srf

Returns:

propagation status