org.esa.beam.util.math

Class SinusoidalDistance

java.lang.Object

org.esa.beam.util.math.SinusoidalDistance

All Implemented Interfaces:

DistanceMeasure

public final class SinusoidalDistance
extends Object
implements DistanceMeasure

Distance measure that takes into account the decrease of the Euclidean distance with increasing latitude of the reference point.

Author:

Ralf Quast

Constructor Summary

Constructors

Constructor and Description
SinusoidalDistance(double lon0, double lat0)

Method Summary

Methods

Modifier and Type	Method and Description
double	distance(double lon, double lat) Returns the distance 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

SinusoidalDistance

public SinusoidalDistance(double lon0,
                  double lat0)

Method Detail

distance

public double distance(double lon,
              double lat)

Description copied from interface: DistanceMeasure

Returns the distance 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 distance.