WGS84SpheroidEarthModel (ELKI: Environment for DeveLoping KDD-Applications Supported by Index-Structures)

java.lang.Object
- elki.math.geodesy.AbstractEarthModel
- - elki.math.geodesy.WGS84SpheroidEarthModel

All Implemented Interfaces:

EarthModel
```
@Alias({"WGS-84","WGS84"})
public class WGS84SpheroidEarthModel
extends AbstractEarthModel
```
The WGS84 spheroid earth model, without height model (so not a geoid, just a spheroid!)
Note that EGM96 uses the same spheroid, but what really makes the difference is its geoid expansion.
Radius: 6378137.0 m
Flattening: 1 / 298.257223563

Since:

0.6.0

Author:

Erich Schubert

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class WGS84SpheroidEarthModel.Par
Parameterization class.

Field Summary

Fields
Modifier and Type	Field	Description
`static WGS84SpheroidEarthModel`	`STATIC`	Static instance.
`static double`	`WGS84_FLATTENING`	Flattening f of the WGS84 Ellipsoid.
`static double`	`WGS84_INV_FLATTENING`	Inverse flattening 1/f of the WGS84 Ellipsoid.
`static double`	`WGS84_RADIUS`	Radius of the WGS84 Ellipsoid in m (a).

Fields inherited from class elki.math.geodesy.AbstractEarthModel
a, b, e, esq, f, invf

Fields inherited from interface elki.math.geodesy.EarthModel
MODEL_ID

Constructor Summary

Constructors
Modifier Constructor Description

protected WGS84SpheroidEarthModel()
Constructor.

Method Summary
- Methods inherited from class elki.math.geodesy.AbstractEarthModel
  distanceDeg, distanceRad, ecefToLatDeg, ecefToLatLngDegHeight, ecefToLatLngRadHeight, ecefToLatRad, ecefToLngDeg, ecefToLngRad, getEquatorialRadius, getPolarDistance, latLngDegToECEF, latLngDegToECEF, latLngRadToECEF, latLngRadToECEF, minDistDeg, minDistRad, toString
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - STATIC
```
public static final WGS84SpheroidEarthModel STATIC
```
    Static instance.
  - WGS84_RADIUS
```
public static final double WGS84_RADIUS
```
    Radius of the WGS84 Ellipsoid in m (a).
    
    See Also:
    
    Constant Field Values
  - WGS84_INV_FLATTENING
```
public static final double WGS84_INV_FLATTENING
```
    Inverse flattening 1/f of the WGS84 Ellipsoid.
    
    See Also:
    
    Constant Field Values
  - WGS84_FLATTENING
```
public static final double WGS84_FLATTENING
```
    Flattening f of the WGS84 Ellipsoid.
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - WGS84SpheroidEarthModel
```
protected WGS84SpheroidEarthModel()
```
    Constructor.