Class CoordinateConverter

java.lang.Object

org.episteme.natural.physics.astronomy.coordinates.CoordinateConverter

public class CoordinateConverter
extends Object

Utility for coordinate transformations. Centralizes conversion logic between systems.

Since:

1.0

Author:

Silvere Martin-Michiellot, Gemini AI (Google DeepMind)

Constructor Summary

Constructors

Constructor	Description
CoordinateConverter()

Method Summary

Modifier and Type	Method	Description
static EquatorialCoordinate	eclipticToEquatorial(double eclipticLon, double eclipticLat)	Ecliptic to Equatorial (J2000).
static double[]	equatorialToEcliptic(EquatorialCoordinate eq)	Equatorial to Ecliptic.
static GalacticCoordinate	equatorialToGalactic(EquatorialCoordinate eq)	Equatorial (J2000) to Galactic.
static HorizontalCoordinate	equatorialToHorizontal(EquatorialCoordinate eq, double latitude, double lmst)	Equatorial to Horizontal (Alt/Az).
static EquatorialCoordinate	galacticToEquatorial(GalacticCoordinate gal)	Galactic to Equatorial (J2000).
static EquatorialCoordinate	horizontalToEquatorial(HorizontalCoordinate hor, double latitude, double lmst)	Horizontal to Equatorial.

Methods inherited from class Object

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

Constructor Details

CoordinateConverter

public CoordinateConverter()

Method Details

equatorialToGalactic

public static GalacticCoordinate equatorialToGalactic(EquatorialCoordinate eq)

Equatorial (J2000) to Galactic.

galacticToEquatorial

public static EquatorialCoordinate galacticToEquatorial(GalacticCoordinate gal)

Galactic to Equatorial (J2000).

equatorialToHorizontal

public static HorizontalCoordinate equatorialToHorizontal(EquatorialCoordinate eq,
 double latitude,
 double lmst)

Equatorial to Horizontal (Alt/Az). Requires observer location and time.

horizontalToEquatorial

public static EquatorialCoordinate horizontalToEquatorial(HorizontalCoordinate hor,
 double latitude,
 double lmst)

Horizontal to Equatorial. Requires observer location and time.

eclipticToEquatorial

public static EquatorialCoordinate eclipticToEquatorial(double eclipticLon,
 double eclipticLat)

Ecliptic to Equatorial (J2000). Standard obliquity ε = 23.4392911°

equatorialToEcliptic

public static double[] equatorialToEcliptic(EquatorialCoordinate eq)

Equatorial to Ecliptic. Returns [Longitude, Latitude] in degrees.