xal.extension.orbit

Class OrbitMatcher

java.lang.Object

xal.extension.orbit.OrbitMatcher

public class OrbitMatcher
extends java.lang.Object

using the online model (ignoring coupling), determines a beam position and momentum at an element which best matches the measured positions at a series of specified elements

Field Summary

Fields

Modifier and Type	Field and Description
protected Trajectory<TransferMapState>	_trajectory trajectory from which to get the transfer matrices
protected xal.extension.orbit.BeamPositionTransform	_xBeamPositionTransform horizontal beam position transform
protected xal.extension.orbit.BeamPositionTransform	_yBeamPositionTransform vertical beam position transform

Constructor Summary

Constructors

Constructor and Description
OrbitMatcher(AcceleratorNode targetNode, java.util.List<? extends AcceleratorNode> measuredNodes, Trajectory<TransferMapState> trajectory) Constructor

Method Summary

Modifier and Type	Method and Description
protected static xal.extension.orbit.TransferRow	extractHorizontalSubMatrix(PhaseMatrix transferMatrix) extract the horizontal sub matrix
protected static xal.extension.orbit.TransferRow	extractVerticalSubMatrix(PhaseMatrix transferMatrix) extract the vertical sub matrix
double	getHorizontalTargetBeamPosition(double[] measuredBeamPositions) get the best matching horizontal beam position in mm at the target node based on the beam position measurements in mm at the measurement nodes
protected PhaseMatrix	getTransferMatrix(AcceleratorNode fromNode, AcceleratorNode toNode) get the transfer matrix from the transfer map trajectory
double	getVerticalTargetBeamPosition(double[] measuredBeamPositions) get the best matching vertical beam position in mm at the target node based on the beam position measurements in mm at the measurement nodes
void	setTrajectory(Trajectory<TransferMapState> trajectory) set the trajectory

Methods inherited from class java.lang.Object

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

Field Detail

_trajectory

protected Trajectory<TransferMapState> _trajectory

trajectory from which to get the transfer matrices

_xBeamPositionTransform

protected xal.extension.orbit.BeamPositionTransform _xBeamPositionTransform

horizontal beam position transform

_yBeamPositionTransform

protected xal.extension.orbit.BeamPositionTransform _yBeamPositionTransform

vertical beam position transform

Constructor Detail

OrbitMatcher

public OrbitMatcher(AcceleratorNode targetNode,
                    java.util.List<? extends AcceleratorNode> measuredNodes,
                    Trajectory<TransferMapState> trajectory)

Constructor

Method Detail

getHorizontalTargetBeamPosition

public double getHorizontalTargetBeamPosition(double[] measuredBeamPositions)

get the best matching horizontal beam position in mm at the target node based on the beam position measurements in mm at the measurement nodes

getVerticalTargetBeamPosition

public double getVerticalTargetBeamPosition(double[] measuredBeamPositions)

get the best matching vertical beam position in mm at the target node based on the beam position measurements in mm at the measurement nodes

setTrajectory

public void setTrajectory(Trajectory<TransferMapState> trajectory)

set the trajectory

extractHorizontalSubMatrix

protected static xal.extension.orbit.TransferRow extractHorizontalSubMatrix(PhaseMatrix transferMatrix)

extract the horizontal sub matrix

extractVerticalSubMatrix

protected static xal.extension.orbit.TransferRow extractVerticalSubMatrix(PhaseMatrix transferMatrix)

extract the vertical sub matrix

getTransferMatrix

protected PhaseMatrix getTransferMatrix(AcceleratorNode fromNode,
                                        AcceleratorNode toNode)

get the transfer matrix from the transfer map trajectory