de.lmu.ifi.dbs.elki.distance.distancefunction

Interface SpatialPrimitiveDistanceFunction<V extends SpatialComparable>

Type Parameters:

V - Vector type

All Superinterfaces:

DistanceFunction<V>, PrimitiveDistanceFunction<V>

All Known Implementing Classes:

ArcCosineDistanceFunction, ArcCosineUnitlengthDistanceFunction, BrayCurtisDistanceFunction, CanberraDistanceFunction, ChiDistanceFunction, ChiSquaredDistanceFunction, ClarkDistanceFunction, CosineDistanceFunction, CosineUnitlengthDistanceFunction, DimensionSelectingLatLngDistanceFunction, EuclideanDistanceFunction, FisherRaoDistanceFunction, HellingerDistanceFunction, HistogramIntersectionDistanceFunction, HistogramMatchDistanceFunction, JeffreyDivergenceDistanceFunction, JensenShannonDivergenceDistanceFunction, Kulczynski1SimilarityFunction, LatLngDistanceFunction, LngLatDistanceFunction, LPIntegerNormDistanceFunction, LPNormDistanceFunction, ManhattanDistanceFunction, MaximumDistanceFunction, MinimumDistanceFunction, OnedimensionalDistanceFunction, SqrtJensenShannonDivergenceDistanceFunction, SquaredEuclideanDistanceFunction, SubspaceEuclideanDistanceFunction, SubspaceLPNormDistanceFunction, SubspaceManhattanDistanceFunction, SubspaceMaximumDistanceFunction, TriangularDiscriminationDistanceFunction, TriangularDistanceFunction, WeightedCanberraDistanceFunction, WeightedEuclideanDistanceFunction, WeightedLPNormDistanceFunction, WeightedManhattanDistanceFunction, WeightedMaximumDistanceFunction, WeightedSquaredEuclideanDistanceFunction

public interface SpatialPrimitiveDistanceFunction<V extends SpatialComparable>
extends PrimitiveDistanceFunction<V>

API for a spatial primitive distance function.

Since:

0.4.0

Author:

Erich Schubert

Method Summary

Modifier and Type	Method and Description
default <T extends V> SpatialPrimitiveDistanceQuery<T>	instantiate(Relation<T> relation) Instantiate with a database to get the actual distance query.
double	minDist(SpatialComparable mbr1, SpatialComparable mbr2) Computes the distance between the two given MBRs according to this distance function.

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

distance, getInputTypeRestriction

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

isMetric, isSquared, isSymmetric

Method Detail

minDist

double minDist(SpatialComparable mbr1,
               SpatialComparable mbr2)

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

Parameters:

mbr1 - the first MBR object

mbr2 - the second MBR object

Returns:

the distance between the two given MBRs according to this distance function

instantiate

default <T extends V> SpatialPrimitiveDistanceQuery<T> instantiate(Relation<T> relation)

Description copied from interface: DistanceFunction

Instantiate with a database to get the actual distance query.

Specified by:

instantiate in interface DistanceFunction<V extends SpatialComparable>

Specified by:

instantiate in interface PrimitiveDistanceFunction<V extends SpatialComparable>

Parameters:

relation - The representation to use

Returns:

Actual distance query.