de.lmu.ifi.dbs.elki.distance.distancefunction.geo
Class LngLatDistanceFunction

java.lang.Object
  de.lmu.ifi.dbs.elki.distance.distancefunction.AbstractPrimitiveDistanceFunction<NumberVector<?,?>,DoubleDistance>
      de.lmu.ifi.dbs.elki.distance.distancefunction.AbstractVectorDoubleDistanceFunction
          de.lmu.ifi.dbs.elki.distance.distancefunction.geo.LngLatDistanceFunction

All Implemented Interfaces:

DistanceFunction<NumberVector<?,?>,DoubleDistance>, PrimitiveDistanceFunction<NumberVector<?,?>,DoubleDistance>, PrimitiveDoubleDistanceFunction<NumberVector<?,?>>, InspectionUtilFrequentlyScanned, Parameterizable

public class LngLatDistanceFunction
extends AbstractVectorDoubleDistanceFunction

Distance function for 2D vectors in Longitude, Latitude form.

Nested Class Summary

static class

LngLatDistanceFunction.Parameterizer Parameterization class.

Field Summary

static LngLatDistanceFunction

STATIC Static instance

Constructor Summary

LngLatDistanceFunction()
Deprecated.

Method Summary

double	doubleDistance(NumberVector<?,?> o1, NumberVector<?,?> o2) Computes the distance between two given Objects according to this distance function.
boolean	equals(Object obj)
SimpleTypeInformation<? super NumberVector<?,?>>	getInputTypeRestriction() Get the input data type of the function.

Methods inherited from class de.lmu.ifi.dbs.elki.distance.distancefunction.AbstractVectorDoubleDistanceFunction

distance, getDistanceFactory

Methods inherited from class de.lmu.ifi.dbs.elki.distance.distancefunction.AbstractPrimitiveDistanceFunction

instantiate, isMetric, isSymmetric

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.lmu.ifi.dbs.elki.distance.distancefunction.DistanceFunction

instantiate, isMetric, isSymmetric

Field Detail

STATIC

public static final LngLatDistanceFunction STATIC

Static instance

Constructor Detail

LngLatDistanceFunction

@Deprecated
public LngLatDistanceFunction()

Deprecated.

Constructor. Use static instance instead!

Method Detail

doubleDistance

public double doubleDistance(NumberVector<?,?> o1,
                             NumberVector<?,?> o2)

Description copied from interface: PrimitiveDoubleDistanceFunction

Computes the distance between two given Objects according to this distance function.

Parameters:

o1 - first Object

o2 - second Object

Returns:

the distance between two given Objects according to this distance function

getInputTypeRestriction

public SimpleTypeInformation<? super NumberVector<?,?>> getInputTypeRestriction()

Description copied from interface: DistanceFunction

Get the input data type of the function.

Specified by:

getInputTypeRestriction in interface DistanceFunction<NumberVector<?,?>,DoubleDistance>

Specified by:

getInputTypeRestriction in interface PrimitiveDistanceFunction<NumberVector<?,?>,DoubleDistance>

Overrides:

getInputTypeRestriction in class AbstractVectorDoubleDistanceFunction

Returns:

Type restriction

equals

public boolean equals(Object obj)

Overrides:

equals in class Object