GRS80SpheroidEarthModel (ELKI: Environment for DeveLoping KDD-Applications Supported by Index-Structures)

java.lang.Object
- elki.math.geodesy.AbstractEarthModel
- - elki.math.geodesy.GRS80SpheroidEarthModel

All Implemented Interfaces:

EarthModel
```
@Alias({"GRS-80","GRS80"})
public class GRS80SpheroidEarthModel
extends AbstractEarthModel
```
The GRS 80 spheroid earth model, without height model (so not a geoid, just a spheroid!)
Radius: 6378137.0 m
Flattening: 1 / 298.257222101

Since:

0.6.0

Author:

Erich Schubert

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class GRS80SpheroidEarthModel.Par
Parameterization class.

Field Summary

Fields
Modifier and Type	Field	Description
`static double`	`GRS80_FLATTENING`	Flattening f of the GRS80 Ellipsoid.
`static double`	`GRS80_INV_FLATTENING`	Inverse flattening 1/f of the GRS80 Ellipsoid.
`static double`	`GRS80_RADIUS`	Radius of the GRS80 Ellipsoid in m (a).
`static GRS80SpheroidEarthModel`	`STATIC`	Static instance.

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 GRS80SpheroidEarthModel()
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 GRS80SpheroidEarthModel STATIC
```
    Static instance.
  - GRS80_RADIUS
```
public static final double GRS80_RADIUS
```
    Radius of the GRS80 Ellipsoid in m (a).
    
    See Also:
    
    Constant Field Values
  - GRS80_INV_FLATTENING
```
public static final double GRS80_INV_FLATTENING
```
    Inverse flattening 1/f of the GRS80 Ellipsoid.
    
    See Also:
    
    Constant Field Values
  - GRS80_FLATTENING
```
public static final double GRS80_FLATTENING
```
    Flattening f of the GRS80 Ellipsoid.
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - GRS80SpheroidEarthModel
```
protected GRS80SpheroidEarthModel()
```
    Constructor.