location
Class Longitude

java.lang.Object
  location.Longitude

All Implemented Interfaces:

java.lang.Cloneable, java.io.Serializable

public class Longitude

extends java.lang.Object

implements java.io.Serializable, java.lang.Cloneable

The longitude value in a physical coordinate system.

Version:

3.0

Author:

Chien-Liang Fok

See Also:

Serialized Form

Field Summary

static int	EAST
private double	log This is the Longitude in sexagesimal units.
(package private) static double	MAX_LOG
(package private) static double	MIN_LOG
static int	WEST

Constructor Summary

Longitude(double log)
Creates a Longitude based on its sexagesimal notation.

Longitude(int degrees, double minutes, int hemisphere)
Creates a Longitude with the specified degrees, minutes, and direction.

Longitude(Longitude log)
The copy constructor.

Method Summary

void	changeBy(double delta) Changes this Longitude by the specifiec amount.
java.lang.Object	clone() This method returns a deep copy of this object.
boolean	equals(java.lang.Object o) Determines if another object is equal to this one.
int	getDegrees() Accessor method to get the degrees Longitude
int	getHemisphere() Accessor method to get the direction of the Longitude
double	getMinutes() Accessor method to get the minutes Longitude
double	toSexagesimal() Returns the sexagesimal notation of this Longitude.
java.lang.String	toString() This method returns a string representation of this Longitude.

Methods inherited from class java.lang.Object

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

Field Detail

EAST

public static final int EAST

See Also:

Constant Field Values

WEST

public static final int WEST

See Also:

Constant Field Values

MAX_LOG

static final double MAX_LOG

See Also:

Constant Field Values

MIN_LOG

static final double MIN_LOG

See Also:

Constant Field Values

log

private double log

This is the Longitude in sexagesimal units.

Constructor Detail

Longitude

public Longitude(int degrees,
                 double minutes,
                 int hemisphere)

Creates a Longitude with the specified degrees, minutes, and direction.

Parameters:

degrees - the degrees Longitude

minutes - the minutes Longitude

hemisphere - the Longitude's hemisphere, either Longitude.EAST or Longitude.WEST.

Longitude

public Longitude(Longitude log)

The copy constructor.

Longitude

public Longitude(double log)

Creates a Longitude based on its sexagesimal notation.

Parameters:

log - the longitude in sexagesimal units

Method Detail

toSexagesimal

public double toSexagesimal()

Returns the sexagesimal notation of this Longitude.

Returns:

the sexagesimal notation of this Longitude.

equals

public boolean equals(java.lang.Object o)

Determines if another object is equal to this one. An object is equal to this one if it is of type Longitude and has the same sexagesimal value.

getDegrees

public int getDegrees()

Accessor method to get the degrees Longitude

Returns:

degrees Longitude

getMinutes

public double getMinutes()

Accessor method to get the minutes Longitude

Returns:

minutes Longitude as a double

getHemisphere

public int getHemisphere()

Accessor method to get the direction of the Longitude

Returns:

the direction, either Longitude.EAST or Longitude.WEST.

changeBy

public void changeBy(double delta)

Changes this Longitude by the specifiec amount.

Parameters:

delta - the amount in sexagesimal units by which to change this Longitude.

toString

public java.lang.String toString()

This method returns a string representation of this Longitude.

Returns:

string representation of the Longitude.

clone

public java.lang.Object clone()

This method returns a deep copy of this object.

Returns:

an object