hep.physics.vec
Class SpacePoint

java.lang.Object
  hep.physics.vec.SpacePoint

All Implemented Interfaces:

Hep3Vector, java.io.Serializable, java.lang.Cloneable

public class SpacePoint
extends java.lang.Object
implements java.io.Serializable, Hep3Vector, java.lang.Cloneable

A Hep3Vector representing a point in space. Derived from work by Norman Graf, Jan Strube and Frank Gaede

Version:

$Id: SpacePoint.java 12630 2007-06-10 16:32:10Z tonyj $

See Also:

Serialized Form

Nested Class Summary

static class

SpacePoint.Representation

Constructor Summary

SpacePoint()
Default constructor.

SpacePoint(Hep3Vector vec)

SpacePoint(SpacePoint spt)
Copy constructor

Method Summary

java.lang.Object	clone() Clone
double	cosPhi() cos(phi)
double	cosTheta() cos(theta)
static double	distance(SpacePoint spt1, SpacePoint spt2) Return the distance between two space points.
boolean	equals(Hep3Vector spt, double precision) Tests for equality within errors
boolean	equals(SpacePoint x) Tests for equality
boolean	equals(SpacePoint spt, double precision) Tests for equality within errors
double[]	getCartesianArray()
SpacePoint.Representation	getRepresentation()
double	magnitude() The length of the 3-vector.
double	magnitudeSquared() The square of the length
boolean	notEquals(SpacePoint spt) Inequality
double	phi() Cylindrical phi
double	rxy() Cylindrical r
double	rxyz() Spherical r
double	sinPhi() sin(phi)
double	sinTheta() sin(theta)
double	theta() Spherical theta
java.lang.String	toString() Output Stream
double[]	v() Returns the space point as a double array in its internal representation
double	x() Cartesian x
double	y() Cartesian y
double	z() Cartesian z

Methods inherited from class java.lang.Object

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

Constructor Detail

SpacePoint

public SpacePoint()

Default constructor. Sets point to be the origin (0,0,0)

SpacePoint

public SpacePoint(SpacePoint spt)

Copy constructor

Parameters:

spt - SpacePoint to copy

SpacePoint

public SpacePoint(Hep3Vector vec)

Method Detail

v

public double[] v()

Returns the space point as a double array in its internal representation

Specified by:

v in interface Hep3Vector

See Also:

getRepresentation()

magnitude

public double magnitude()

Description copied from interface: Hep3Vector

The length of the 3-vector.

Specified by:

magnitude in interface Hep3Vector

magnitudeSquared

public double magnitudeSquared()

Description copied from interface: Hep3Vector

The square of the length

Specified by:

magnitudeSquared in interface Hep3Vector

x

public double x()

Cartesian x

Specified by:

x in interface Hep3Vector

y

public double y()

Cartesian y

Specified by:

y in interface Hep3Vector

z

public double z()

Cartesian z

Specified by:

z in interface Hep3Vector

rxy

public double rxy()

Cylindrical r

Returns:

double

phi

public double phi()

Cylindrical phi

Returns:

double

rxyz

public double rxyz()

Spherical r

Returns:

double

theta

public double theta()

Spherical theta

Returns:

double

cosPhi

public double cosPhi()

cos(phi)

sinPhi

public double sinPhi()

sin(phi)

sinTheta

public double sinTheta()

sin(theta)

Returns:

double

cosTheta

public double cosTheta()

cos(theta)

Returns:

double

toString

public java.lang.String toString()

Output Stream

Overrides:

toString in class java.lang.Object

Returns:

String representation of object

equals

public boolean equals(SpacePoint spt,
                      double precision)

Tests for equality within errors

Parameters:

spt - a SpacePoint to compare against

precision - the precision of the comparison

Returns:

true if each of the components is within precision of the components of spt

equals

public boolean equals(Hep3Vector spt,
                      double precision)

Tests for equality within errors

Parameters:

spt - a Hep3Vector to compare against

precision - the precision of the comparison

Returns:

true if each of the components is within precision of the components of spt

equals

public boolean equals(SpacePoint x)

Tests for equality

Parameters:

x - SpacePoint to compare

Returns:

true if objects are equal

notEquals

public boolean notEquals(SpacePoint spt)

Inequality

Parameters:

spt - SpacePoint to compare

Returns:

true if objects are not equal

distance

public static double distance(SpacePoint spt1,
                              SpacePoint spt2)

Return the distance between two space points.

Parameters:

spt1 - SpacePoint 1

spt2 - SpacePoint 2

Returns:

Euclidean distance between points

clone

public java.lang.Object clone()

Clone

Overrides:

clone in class java.lang.Object

Returns:

a copy of this object

getCartesianArray

public double[] getCartesianArray()

Returns:

array of doubles, cartesian representation

getRepresentation

public SpacePoint.Representation getRepresentation()

Returns:

the representations of the object