hep.lcd.vertexing.zvtop
Class ZvHelixVec

java.lang.Object
  |
  +--hep.lcd.vertexing.zvtop.ZvHelixVec

public class ZvHelixVec

extends Object

implements Serializable

ZvBHelixVec -- ZvTopVertexer helper: calculate unit vectors from ZvTrack

Version:

$Id: ZvHelixVec.java,v 1.2 2001/06/05 18:20:56 walkowia Exp $

Author:

W.Walkowiak, 09/16/00

See Also:

Serialized Form

Source Code:

ZvHelixVec.java

Constructor Summary

protected	ZvHelixVec(double[] hlxPar)
	ZvHelixVec(ZvTrack track)

Method Summary

protected double	getCosLInv() get 1/cos(lambda)
protected double[]	getUnitMagnet() get magnetic field unit vector
protected double[]	getUnitNormal() get normal unit vector
protected double[]	getUnitTangent() get tangent unit vector

Methods inherited from class java.lang.Object

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

Constructor Detail

ZvHelixVec

public ZvHelixVec(ZvTrack track)

ZvHelixVec

protected ZvHelixVec(double[] hlxPar)

Method Detail

getUnitTangent

protected double[] getUnitTangent()

get tangent unit vector

getUnitNormal

protected double[] getUnitNormal()

get normal unit vector

getUnitMagnet

protected double[] getUnitMagnet()

get magnetic field unit vector

getCosLInv

protected double getCosLInv()

get 1/cos(lambda)