de.lmu.ifi.dbs.elki.database.query.distance

Interface SpatialDistanceQuery<V extends SpatialComparable>

Type Parameters:

V - Vector type

All Superinterfaces:

DatabaseQuery, DistanceQuery<V>

All Known Implementing Classes:

SpatialPrimitiveDistanceQuery, SpatialPrimitiveDistanceSimilarityQuery

public interface SpatialDistanceQuery<V extends SpatialComparable>
extends DistanceQuery<V>

Query interface for spatial distance queries.

Since:

0.4.0

Author:

Erich Schubert

Field Summary

Fields inherited from interface de.lmu.ifi.dbs.elki.database.query.DatabaseQuery

HINT_BULK, HINT_EXACT, HINT_HEAVY_USE, HINT_NO_CACHE, HINT_OPTIMIZED_ONLY, HINT_SINGLE

Method Summary

Modifier and Type	Method and Description
SpatialPrimitiveDistanceFunction<? super V>	getDistanceFunction() Get the inner distance function.
double	minDist(SpatialComparable mbr, DBIDRef id) Computes the minimum distance between the given MBR and the FeatureVector object according to this distance function.
double	minDist(SpatialComparable mbr, V v) Computes the minimum distance between the given MBR and the FeatureVector object according to this distance function.

Methods inherited from interface de.lmu.ifi.dbs.elki.database.query.distance.DistanceQuery

distance, distance, distance, distance, getRelation

Method Detail

minDist

double minDist(SpatialComparable mbr,
               V v)

Computes the minimum distance between the given MBR and the FeatureVector object according to this distance function.

Parameters:

mbr - the MBR object

v - the FeatureVector object

Returns:

the minimum distance between the given MBR and the FeatureVector object according to this distance function

minDist

double minDist(SpatialComparable mbr,
               DBIDRef id)

Computes the minimum distance between the given MBR and the FeatureVector object according to this distance function.

Parameters:

mbr - the MBR object

id - the query object id

Returns:

the minimum distance between the given MBR and the FeatureVector object according to this distance function

getDistanceFunction

SpatialPrimitiveDistanceFunction<? super V> getDistanceFunction()

Get the inner distance function.

Specified by:

getDistanceFunction in interface DistanceQuery<V extends SpatialComparable>

Returns:

Distance function