org.lcsim.recon.cat

Class CircleFromPoints

java.lang.Object

org.lcsim.recon.cat.CircleFromPoints

public final class CircleFromPoints
extends Object

Simple circle from 2D point calculation for helix estimates.

Version:

$Id: CircleFromPoints.java,v 1.1 2007/04/06 21:48:14 onoprien Exp $

Author:

E. von Toerne

Field Summary

Fields

Modifier and Type	Field and Description
double[]	a
private double[]	ab
private double[]	ac
double[]	b
double[]	c
private double[]	caperp
private double[]	cb
double[]	center
double[]	dirAtC
double	kappa
private double	sin_a
private double	sin_ab

Constructor Summary

Constructors

Constructor and Description
CircleFromPoints() empty constructor

Method Summary

Methods

Modifier and Type	Method and Description
void	calculate(double ax, double ay, double bx, double by, double cx, double cy)
private double	cdot(double[] a1, double[] b1)
void	debug()
double	getCenter(int i)
double	getDirAtC(int i)
double	getKappa()
private double	leng(double[] a1)
private double	sqr(double x)

Methods inherited from class java.lang.Object

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

Field Detail

a

public double[] a

b

public double[] b

c

public double[] c

ab

private double[] ab

ac

private double[] ac

cb

private double[] cb

caperp

private double[] caperp

sin_a

private double sin_a

sin_ab

private double sin_ab

center

public double[] center

kappa

public double kappa

dirAtC

public double[] dirAtC

Constructor Detail

CircleFromPoints

CircleFromPoints()

empty constructor

Method Detail

calculate

public void calculate(double ax,
             double ay,
             double bx,
             double by,
             double cx,
             double cy)

sqr

private double sqr(double x)

cdot

private double cdot(double[] a1,
          double[] b1)

leng

private double leng(double[] a1)

getCenter

public double getCenter(int i)

getKappa

public double getKappa()

getDirAtC

public double getDirAtC(int i)

debug

public void debug()