Package org.onebusaway.gtfs_transformer.impl

Class SphericalGeometryLibrary

java.lang.Object

org.onebusaway.gtfs_transformer.impl.SphericalGeometryLibrary

public class SphericalGeometryLibrary
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final double	COS_MAX_LAT
static final double	METERS_PER_DEGREE_AT_EQUATOR
static final double	RADIUS_OF_EARTH_IN_KM

Constructor Summary

Constructors

Constructor	Description
SphericalGeometryLibrary()

Method Summary

Modifier and Type	Method	Description
static final double	distance(double lat1, double lon1, double lat2, double lon2)
static final double	distance(double lat1, double lon1, double lat2, double lon2, double radius)
static double	distanceFaster(double lat1, double lon1, double lat2, double lon2)	This method is fast but not very accurate

Methods inherited from class java.lang.Object

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

Field Details

RADIUS_OF_EARTH_IN_KM

public static final double RADIUS_OF_EARTH_IN_KM

See Also:

• Constant Field Values

COS_MAX_LAT

public static final double COS_MAX_LAT

METERS_PER_DEGREE_AT_EQUATOR

public static final double METERS_PER_DEGREE_AT_EQUATOR

See Also:

• Constant Field Values

Constructor Details

SphericalGeometryLibrary

public SphericalGeometryLibrary()

Method Details

distanceFaster

public static double distanceFaster(double lat1,
 double lon1,
 double lat2,
 double lon2)

This method is fast but not very accurate

Parameters:

lat1 -

lon1 -

lat2 -

lon2 -

Returns:

distance

public static final double distance(double lat1,
 double lon1,
 double lat2,
 double lon2)

distance

public static final double distance(double lat1,
 double lon1,
 double lat2,
 double lon2,
 double radius)