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package de.lmu.ifi.dbs.elki.database.query.distance;
/*
This file is part of ELKI:
Environment for Developing KDD-Applications Supported by Index-Structures
Copyright (C) 2012
Ludwig-Maximilians-Universität München
Lehr- und Forschungseinheit für Datenbanksysteme
ELKI Development Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import de.lmu.ifi.dbs.elki.data.spatial.SpatialComparable;
import de.lmu.ifi.dbs.elki.database.ids.DBID;
import de.lmu.ifi.dbs.elki.distance.distancefunction.SpatialPrimitiveDistanceFunction;
import de.lmu.ifi.dbs.elki.distance.distancevalue.Distance;
/**
* Query interface for spatial distance queries.
*
* @author Erich Schubert
*
* @param <V> Vector type
* @param <D> Distance type
*/
public interface SpatialDistanceQuery<V extends SpatialComparable, D extends Distance<D>> extends DistanceQuery<V, D> {
/**
* Computes the minimum distance between the given MBR and the FeatureVector
* object according to this distance function.
*
* @param mbr the MBR object
* @param v the FeatureVector object
* @return the minimum distance between the given MBR and the FeatureVector
* object according to this distance function
*/
D minDist(SpatialComparable mbr, V v);
/**
* Computes the minimum distance between the given MBR and the FeatureVector
* object according to this distance function.
*
* @param mbr the MBR object
* @param id the query object id
* @return the minimum distance between the given MBR and the FeatureVector
* object according to this distance function
*/
D minDist(SpatialComparable mbr, DBID id);
/**
* Get the inner distance function.
*
* @return Distance function
*/
@Override
SpatialPrimitiveDistanceFunction<? super V, D> getDistanceFunction();
}
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