Class VincentyUtils

java.lang.Object

org.episteme.natural.earth.geophysics.VincentyUtils

public class VincentyUtils
extends Object

High-precision geodesy calculations on the WGS-84 ellipsoid using Vincenty's formulae.

Based on: T. Vincenty, "Direct and Inverse Solutions of Geodesics on the Ellipsoid with Application of Nested Equations", Survey Review, Vol. 23, No. 176, pp. 88-93, April 1975. DOI: 10.1179/sre.1975.23.176.88

Since:

1.0

Author:

Silvere Martin-Michiellot, Gemini AI (Google DeepMind)

Method Summary

Modifier and Type	Method	Description
static double[]	destination(double lat1, double lon1, double brng, double dist)	Calculates the destination point given start point, initial bearing and distance.
static double	distance(Quantity<Angle> lat1, Quantity<Angle> lon1, Quantity<Angle> lat2, Quantity<Angle> lon2)	Calculates the distance between two points on the ellipsoid.

Methods inherited from class Object

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

Method Details

distance

public static double distance(Quantity<Angle> lat1,
 Quantity<Angle> lon1,
 Quantity<Angle> lat2,
 Quantity<Angle> lon2)

Calculates the distance between two points on the ellipsoid.

Parameters:

lat1 - Latitude 1

lon1 - Longitude 1

lat2 - Latitude 2

lon2 - Longitude 2

Returns:

Distance in meters

destination

public static double[] destination(double lat1,
 double lon1,
 double brng,
 double dist)

Calculates the destination point given start point, initial bearing and distance.

Returns:

double[] {lat, lon} in Radians