org.esa.snap.core.util.math

Class SphericalDistance

java.lang.Object

org.esa.snap.core.util.math.SphericalDistance

All Implemented Interfaces:

DistanceMeasure

public final class SphericalDistance
extends Object
implements DistanceMeasure

This class computes the spherical distance (in Radian) between two (lon, lat) points.

Constructor Summary

Constructors

Constructor and Description
SphericalDistance(double lon, double lat) Creates a new instance of this class.

Method Summary

Modifier and Type	Method and Description
double	distance(double lon, double lat) Returns the spherical distance (in Radian) of a given (lon, lat) point to the reference (lon, lat) point.

Methods inherited from class java.lang.Object

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

Constructor Detail

SphericalDistance

public SphericalDistance(double lon,
                         double lat)

Creates a new instance of this class.

Parameters:

lon - The reference longitude of this distance calculator.

lat - The reference latitude of this distance calculator.

Method Detail

distance

public double distance(double lon,
                       double lat)

Returns the spherical distance (in Radian) of a given (lon, lat) point to the reference (lon, lat) point.

Specified by:

distance in interface DistanceMeasure

Parameters:

lon - The longitude.

lat - The latitude.

Returns:

the spherical distance (in Radian) of the given (lon, lat) point to the reference (lon, lat) point.