Package org.gavaghan.geodesy

Class Ellipsoid

java.lang.Object

org.gavaghan.geodesy.Ellipsoid

All Implemented Interfaces:

Serializable

public class Ellipsoid
extends Object
implements Serializable

Encapsulation of an ellipsoid, and declaration of common reference ellipsoids.

Author:

Mike Gavaghan

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final Ellipsoid	ANS	The ANS ellipsoid.
static final Ellipsoid	Clarke1858	The Clarke1858 ellipsoid.
static final Ellipsoid	Clarke1880	The Clarke1880 ellipsoid.
static final Ellipsoid	GRS67	The GRS67 ellipsoid.
static final Ellipsoid	GRS80	The GRS80 ellipsoid.
static final Ellipsoid	Sphere	A spherical "ellipsoid".
static final Ellipsoid	WGS72	The WGS72 ellipsoid.
static final Ellipsoid	WGS84	The WGS84 ellipsoid.

Method Summary

Modifier and Type	Method	Description
static Ellipsoid	fromAAndF(double semiMajor, double flattening)	Build an Ellipsoid from the semi major axis measurement and the flattening.
static Ellipsoid	fromAAndInverseF(double semiMajor, double inverseFlattening)	Build an Ellipsoid from the semi major axis measurement and the inverse flattening.
double	getFlattening()	Get flattening
double	getInverseFlattening()	Get inverse flattening.
double	getSemiMajorAxis()	Get semi-major axis.
double	getSemiMinorAxis()	Get semi-minor axis.

Methods inherited from class java.lang.Object

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

Field Details

WGS84

public static final Ellipsoid WGS84

The WGS84 ellipsoid.

GRS80

public static final Ellipsoid GRS80

The GRS80 ellipsoid.

GRS67

public static final Ellipsoid GRS67

The GRS67 ellipsoid.

ANS

public static final Ellipsoid ANS

The ANS ellipsoid.

WGS72

public static final Ellipsoid WGS72

The WGS72 ellipsoid.

Clarke1858

public static final Ellipsoid Clarke1858

The Clarke1858 ellipsoid.

Clarke1880

public static final Ellipsoid Clarke1880

The Clarke1880 ellipsoid.

Sphere

public static final Ellipsoid Sphere

A spherical "ellipsoid".

Method Details

fromAAndInverseF

public static Ellipsoid fromAAndInverseF(double semiMajor,
 double inverseFlattening)

Build an Ellipsoid from the semi major axis measurement and the inverse flattening.

Parameters:

semiMajor - semi major axis (meters)

inverseFlattening -

Returns:

fromAAndF

public static Ellipsoid fromAAndF(double semiMajor,
 double flattening)

Build an Ellipsoid from the semi major axis measurement and the flattening.

Parameters:

semiMajor - semi major axis (meters)

flattening -

Returns:

getSemiMajorAxis

public double getSemiMajorAxis()

Get semi-major axis.

Returns:

semi-major axis (in meters).

getSemiMinorAxis

public double getSemiMinorAxis()

Get semi-minor axis.

Returns:

semi-minor axis (in meters).

getFlattening

public double getFlattening()

Get flattening

Returns:

getInverseFlattening

public double getInverseFlattening()

Get inverse flattening.

Returns: