Class Swim

java.lang.Object

org.jlab.clas.swimtools.Swim

Direct Known Subclasses:

DoubleSwim

public class Swim
extends Object

Author:

ziegler

Field Summary

Fields

Modifier and Type	Field	Description
double	distanceBetweenSaves
double	stepSize

Constructor Summary

Constructors

Constructor	Description
Swim()	Class for swimming to various surfaces.

Method Summary

Modifier and Type	Method	Description
double[]	AdaptiveSwimCylinder(double a1x, double a1y, double a1z, double a2x, double a2y, double a2z, double radius, double accuracy)
double[]	AdaptiveSwimPlane(double px, double py, double pz, double nx, double ny, double nz, double accuracy)
double[]	AdaptiveSwimRho(double radius, double accuracy)
void	Bfield(int sector, double x_cm, double y_cm, double z_cm, float[] result)
void	BfieldLab(double x_cm, double y_cm, double z_cm, float[] result)
SwimTrajectory	getSwimTraj()
void	SetSwimParameters(double x0, double y0, double z0, double px, double py, double pz, int charge)	Sets the parameters used by swimmer based on the input track parameters
void	SetSwimParameters(double xcm, double ycm, double zcm, double phiDeg, double thetaDeg, double p, int charge, double maxPathLength)
void	SetSwimParameters(double xcm, double ycm, double zcm, double phiDeg, double thetaDeg, double p, int charge, double maxPathLength, double Accuracy, double StepSize)
void	SetSwimParameters(int direction, double x0, double y0, double z0, double thx, double thy, double p, int charge)
void	SetSwimParameters(int superlayerIdx, int layerIdx, double x0, double y0, double z0, double thx, double thy, double p, int charge)	Sets the parameters used by swimmer based on the input track state vector parameters swimming outwards
void	setSwimTraj(SwimTrajectory swimTraj)
double[]	SwimGenCylinder(Point3D axisPoint1, Point3D axisPoint2, double radius)
double[]	SwimGenCylinder(Point3D axisPoint1, Point3D axisPoint2, double radius, double accuracy)
double[]	SwimPlane(Vector3D n, Point3D p, double accuracy)
double[]	SwimRho(double radius)
double[]	SwimRho(double radius, double accuracy)
double[]	SwimToBeamLine(double xB, double yB)
double[]	SwimToCylinder(double Rad)
double[]	SwimToDCA(SwimTrajectory trk2)
double[]	SwimToLine(Line3D l)
double[]	SwimToPlaneBoundary(double d_cm, Vector3D n, int dir)
double[]	SwimToPlaneLab(double z_cm)
double[]	SwimToPlaneTiltSecSys(int sector, double z_cm)
double[]	SwimToPlaneTiltSecSysBdlXZPlane(int sector, double z_cm)
double[]	SwimToSphere(double Rad)
double[]	SwimToZ(double Z, int dir)

Methods inherited from class java.lang.Object

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

Field Details

stepSize

public double stepSize

distanceBetweenSaves

public double distanceBetweenSaves

Constructor Details

Swim

public Swim()

Class for swimming to various surfaces. The input and output units are cm and GeV/c

Method Details

SetSwimParameters

public void SetSwimParameters(int direction,
 double x0,
 double y0,
 double z0,
 double thx,
 double thy,
 double p,
 int charge)

Parameters:

direction - +1 for out -1 for in

x0 -

y0 -

z0 -

thx -

thy -

p -

charge -

SetSwimParameters

public void SetSwimParameters(int superlayerIdx,
 int layerIdx,
 double x0,
 double y0,
 double z0,
 double thx,
 double thy,
 double p,
 int charge)

Sets the parameters used by swimmer based on the input track state vector parameters swimming outwards

Parameters:

superlayerIdx -

layerIdx -

x0 -

y0 -

thx -

thy -

p -

charge -

SetSwimParameters

public void SetSwimParameters(double x0,
 double y0,
 double z0,
 double px,
 double py,
 double pz,
 int charge)

Sets the parameters used by swimmer based on the input track parameters

Parameters:

x0 -

y0 -

z0 -

px -

py -

pz -

charge -

SetSwimParameters

public void SetSwimParameters(double xcm,
 double ycm,
 double zcm,
 double phiDeg,
 double thetaDeg,
 double p,
 int charge,
 double maxPathLength)

Parameters:

xcm -

ycm -

zcm -

phiDeg -

thetaDeg -

p -

charge -

maxPathLength -

SetSwimParameters

public void SetSwimParameters(double xcm,
 double ycm,
 double zcm,
 double phiDeg,
 double thetaDeg,
 double p,
 int charge,
 double maxPathLength,
 double Accuracy,
 double StepSize)

Parameters:

xcm -

ycm -

zcm -

phiDeg -

thetaDeg -

p -

charge -

maxPathLength -

Accuracy -

StepSize -

SwimToPlaneTiltSecSys

public double[] SwimToPlaneTiltSecSys(int sector,
 double z_cm)

SwimToPlaneTiltSecSysBdlXZPlane

public double[] SwimToPlaneTiltSecSysBdlXZPlane(int sector,
 double z_cm)

SwimToPlaneLab

public double[] SwimToPlaneLab(double z_cm)

Parameters:

z_cm -

Returns:

state x,y,z,px,py,pz, pathlength, iBdl at the plane surface

SwimToCylinder

public double[] SwimToCylinder(double Rad)

Parameters:

Rad -

Returns:

state x,y,z,px,py,pz, pathlength, iBdl at the surface

SwimRho

public double[] SwimRho(double radius)

Parameters:

radius - in cm

Returns:

state x,y,z,px,py,pz, pathlength, iBdl at the surface

SwimRho

public double[] SwimRho(double radius,
 double accuracy)

Parameters:

radius - in cm

accuracy - in cm

Returns:

state x,y,z,px,py,pz, pathlength, iBdl at the surface

SwimGenCylinder

public double[] SwimGenCylinder(Point3D axisPoint1,
 Point3D axisPoint2,
 double radius)

Parameters:

axisPoint1 - in cm

axisPoint2 - in cm

radius - in cm

Returns:

swam trajectory to the cylinder

SwimGenCylinder

public double[] SwimGenCylinder(Point3D axisPoint1,
 Point3D axisPoint2,
 double radius,
 double accuracy)

Parameters:

axisPoint1 - in cm

axisPoint2 - in cm

radius - in cm

accuracy - in cm

Returns:

swam trajectory to the cylinder

SwimPlane

public double[] SwimPlane(Vector3D n,
 Point3D p,
 double accuracy)

SwimToSphere

public double[] SwimToSphere(double Rad)

Parameters:

Rad -

Returns:

state x,y,z,px,py,pz, pathlength, iBdl at the surface

SwimToPlaneBoundary

public double[] SwimToPlaneBoundary(double d_cm,
 Vector3D n,
 int dir)

Parameters:

d_cm -

n -

dir -

Returns:

return state x,y,z,px,py,pz, pathlength, iBdl at the plane surface in the lab frame

SwimToBeamLine

public double[] SwimToBeamLine(double xB,
 double yB)

SwimToLine

public double[] SwimToLine(Line3D l)

Bfield

public void Bfield(int sector,
 double x_cm,
 double y_cm,
 double z_cm,
 float[] result)

Parameters:

sector -

x_cm -

y_cm -

z_cm -

result - B field components in T in the tilted sector system

BfieldLab

public void BfieldLab(double x_cm,
 double y_cm,
 double z_cm,
 float[] result)

Parameters:

x_cm -

y_cm -

z_cm -

result - B field components in T in the lab frame

AdaptiveSwimPlane

public double[] AdaptiveSwimPlane(double px,
 double py,
 double pz,
 double nx,
 double ny,
 double nz,
 double accuracy)

AdaptiveSwimCylinder

public double[] AdaptiveSwimCylinder(double a1x,
 double a1y,
 double a1z,
 double a2x,
 double a2y,
 double a2z,
 double radius,
 double accuracy)

AdaptiveSwimRho

public double[] AdaptiveSwimRho(double radius,
 double accuracy)

SwimToZ

public double[] SwimToZ(double Z,
 int dir)

Parameters:

Z -

Returns:

state x,y,z,px,py,pz, pathlength, iBdl at the surface

getSwimTraj

public SwimTrajectory getSwimTraj()

Returns:

the swimTraj

setSwimTraj

public void setSwimTraj(SwimTrajectory swimTraj)

Parameters:

swimTraj - the swimTraj to set

SwimToDCA

public double[] SwimToDCA(SwimTrajectory trk2)