com.mhuss.AstroLib

Class Astro

java.lang.Object

com.mhuss.AstroLib.Astro

public final class Astro
extends java.lang.Object

Useful constants

Field Summary

Fields

Modifier and Type	Field and Description
static double	DAYS_PER_HOUR The fraction of one day equivalent to one hour = 1/24.
static double	DEG_PER_CIRCLE Degrees in a circle = 360
static double	HOURS_PER_DAY Hours in one day as a double
static int	IHOURS_PER_DAY Hours in one day as an integer
static int	IMINUTES_PER_HOUR Minutes in one hour as an integer
static double	INVALID Our generic "invalid" double value.
static double	J2000 Our default epoch.
static int	MILLISECONDS_PER_HOUR Milliseconds in one hour
static int	MILLISECONDS_PER_SECOND Milliseconds in one second
static double	MINUTES_PER_DEGREE Arc minutes in one degree = 60
static double	MINUTES_PER_HOUR Minutes in one hour as a double
static double	PI_OVER_TWO Pi divided by two
static double	ROUND_UP A convenient rounding value
static int	SECONDS_PER_DAY Seconds in one day
static double	SECONDS_PER_DEGREE Arc seconds in one degree = 360
static int	SECONDS_PER_HOUR Seconds in one hour
static int	SECONDS_PER_MINUTE Seconds in one minute
static double	TO_CENTURIES Julian millenia conversion constant = 100 * days per year
static double	TWO_OVER_PI Two divided by Pi
static double	TWO_PI Two times Pi

Constructor Summary

Constructors

Constructor and Description
Astro()

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

TWO_PI

public static final double TWO_PI

Two times Pi

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Constant Field Values

PI_OVER_TWO

public static final double PI_OVER_TWO

Pi divided by two

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Constant Field Values

TWO_OVER_PI

public static final double TWO_OVER_PI

Two divided by Pi

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Constant Field Values

DEG_PER_CIRCLE

public static final double DEG_PER_CIRCLE

Degrees in a circle = 360

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Constant Field Values

MINUTES_PER_DEGREE

public static final double MINUTES_PER_DEGREE

Arc minutes in one degree = 60

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Constant Field Values

SECONDS_PER_DEGREE

public static final double SECONDS_PER_DEGREE

Arc seconds in one degree = 360

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Constant Field Values

TO_CENTURIES

public static final double TO_CENTURIES

Julian millenia conversion constant = 100 * days per year

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Constant Field Values

HOURS_PER_DAY

public static final double HOURS_PER_DAY

Hours in one day as a double

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Constant Field Values

IHOURS_PER_DAY

public static final int IHOURS_PER_DAY

Hours in one day as an integer

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Constant Field Values

DAYS_PER_HOUR

public static final double DAYS_PER_HOUR

The fraction of one day equivalent to one hour = 1/24.

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Constant Field Values

MINUTES_PER_HOUR

public static final double MINUTES_PER_HOUR

Minutes in one hour as a double

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Constant Field Values

IMINUTES_PER_HOUR

public static final int IMINUTES_PER_HOUR

Minutes in one hour as an integer

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Constant Field Values

SECONDS_PER_MINUTE

public static final int SECONDS_PER_MINUTE

Seconds in one minute

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Constant Field Values

SECONDS_PER_HOUR

public static final int SECONDS_PER_HOUR

Seconds in one hour

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Constant Field Values

SECONDS_PER_DAY

public static final int SECONDS_PER_DAY

Seconds in one day

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Constant Field Values

MILLISECONDS_PER_SECOND

public static final int MILLISECONDS_PER_SECOND

Milliseconds in one second

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Constant Field Values

MILLISECONDS_PER_HOUR

public static final int MILLISECONDS_PER_HOUR

Milliseconds in one hour

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Constant Field Values

J2000

public static final double J2000

Our default epoch.
The Julian Day which represents noon on 2001-01-01.

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Constant Field Values

INVALID

public static final double INVALID

Our generic "invalid" double value.

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Constant Field Values

ROUND_UP

public static final double ROUND_UP

A convenient rounding value

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Constant Field Values

Constructor Detail

Astro

public Astro()