Package skyview.geometry.csys

Class Ecliptic

java.lang.Object

skyview.geometry.CoordinateSystem

skyview.geometry.csys.Ecliptic

All Implemented Interfaces:

Serializable, Component

Direct Known Subclasses:

Helioecliptic

public class Ecliptic
extends CoordinateSystem
implements Component

An ecliptic coordinate system in a Julian frame.

See Also:

Serialized Form

Field Summary

Fields inherited from class skyview.geometry.CoordinateSystem

B1950, Gal, ICRS, J2000

Constructor Summary

Constructors

Modifier	Constructor	Description
	Ecliptic(double epoch)	Get an Ecliptic Coordinate system at a given epoch.
protected	Ecliptic(double epoch, double elon)	Get an Ecliptic coordinate system where the 0 of longitude can be reset.

Method Summary

Modifier and Type	Method	Description
String	getDescription()	Get a description of this component.
String	getName()	Get the name of this component.
Rotater	getRotater()	Get the rotation associated with the projection.

Methods inherited from class skyview.geometry.CoordinateSystem

factory, factory, getSphereDistorter

Methods inherited from class java.lang.Object

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

Constructor Detail

Ecliptic

public Ecliptic(double epoch)

Get an Ecliptic Coordinate system at a given epoch.

Parameters:

epoch - The epoch of the equinox of the coordinate system in calendar years.

Ecliptic

protected Ecliptic(double epoch,
                   double elon)

Get an Ecliptic coordinate system where the 0 of longitude can be reset.

Parameters:

epoch - The epoch of the equinox.

elon - The longitude in a standard coordinate system at which the prime meridian should be placed.

Method Detail

getName

public String getName()

Get the name of this component.

Specified by:

getName in interface Component

getDescription

public String getDescription()

Get a description of this component.

Specified by:

getDescription in interface Component

getRotater

public Rotater getRotater()

Description copied from class: CoordinateSystem

Get the rotation associated with the projection.

Specified by:

getRotater in class CoordinateSystem