math.geom2d

Class PolarVector2D

java.lang.Object

math.geom2d.PolarVector2D

All Implemented Interfaces:

Serializable

public class PolarVector2D
extends Object
implements Serializable

2D vector specified by polar coordinates

Immutable.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected double	rho
protected double	theta

Constructor Summary

Constructors

Constructor and Description
PolarVector2D(double rho, double theta) Construct from polar coordinates

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
double	getRho()
double	getTheta()
static double	normalizeTheta(double theta) Normalize theta, the angle coordinate, so that the representation is unique

Methods inherited from class java.lang.Object

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

Field Detail

rho

protected double rho

theta

protected double theta

Constructor Detail

PolarVector2D

public PolarVector2D(double rho,
                     double theta)

Construct from polar coordinates

Parameters:

rho - the distance from origin

theta - the counter-clockwise angle with to positive part of the X-axis in radians. Normalized to fit within <0,2*Pi).

Method Detail

getRho

public double getRho()

Returns:

rho, the distance from origin

getTheta

public double getTheta()

Returns:

theta, the counter-clockwise angle with to positive part of the X-axis in radians <0,2*Pi)

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

normalizeTheta

public static double normalizeTheta(double theta)

Normalize theta, the angle coordinate, so that the representation is unique

Parameters:

theta - the counter-clockwise angle with to positive part of the X-axis in radians

Returns:

theta normalized to fit within <0,2*Pi).