public class PropCylZ extends PropDirected
Propagation will fail if either the origin is not a Cylinder or destination is not a ZPlane. Propagator works incorrectly for tracks with very small curvatures.
Modifier and Type | Field and Description |
---|---|
private double |
_bfac |
private PropZZ |
_propzz |
private static int |
IALF |
private static int |
IDXDZ |
private static int |
IDYDZ |
private static int |
IPHI |
private static int |
IQP_Z |
private static int |
IQPT |
private static int |
ITLM |
private static int |
IX |
private static int |
IY |
private static int |
IZ_CYL |
Constructor and Description |
---|
PropCylZ(double bfield)
Construct an instance from a constant solenoidal magnetic field in Tesla.
|
Modifier and Type | Method and Description |
---|---|
double |
bField()
Return the strength of the magnetic field in Tesla.
|
Propagator |
newPropagator()
Clone an instance.
|
static String |
staticType()
Return a String representation of the class' type name.
|
String |
toString()
output stream
|
String |
type()
Return a String representation of the class' type name.
|
static String |
typeName()
Return a String representation of the class' 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 deriv)
Propagate a track without error in the specified direction
and return the derivative matrix in deriv.
|
private PropStat |
vecTransformCylZ(double B,
VTrack trv,
PropDir dir,
TrackDerivative deriv) |
direction, direction, errProp, vecProp
errDirProp, errDirProp, errProp, reduce, reduceDirection, vecProp
private static final int IX
private static final int IY
private static final int IDXDZ
private static final int IDYDZ
private static final int IQP_Z
private static final int IPHI
private static final int IZ_CYL
private static final int IALF
private static final int ITLM
private static final int IQPT
private double _bfac
private PropZZ _propzz
public PropCylZ(double bfield)
bfield
- The magnetic field strength in Tesla.public static String typeName()
public static String staticType()
public Propagator newPropagator()
newPropagator
in class Propagator
public PropStat vecDirProp(VTrack trv, Surface srf, PropDir dir)
vecDirProp
in class Propagator
trv
- The VTrack to propagate.srf
- The Surface to which to propagate.dir
- The direction in which to propagate.public PropStat vecDirProp(VTrack trv, Surface srf, PropDir dir, TrackDerivative deriv)
vecDirProp
in class Propagator
trv
- The VTrack to propagate.srf
- The Surface to which to propagate.dir
- The direction in which to propagate.deriv
- The track derivatives to update at the surface srf.public double bField()
public String type()
public String toString()
private PropStat vecTransformCylZ(double B, VTrack trv, PropDir dir, TrackDerivative deriv)
Copyright © 2016 Linear Collider Detector (LCD). All rights reserved.