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package de.lmu.ifi.dbs.elki.distance.distancefunction;
/*
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.query.distance.SpatialDistanceQuery;
import de.lmu.ifi.dbs.elki.database.relation.Relation;
import de.lmu.ifi.dbs.elki.distance.distancevalue.Distance;
/**
* API for a spatial primitive distance function.
*
* @author Erich Schubert
*
* @param <V> Vector type
* @param <D> Distance type
*/
public interface SpatialPrimitiveDistanceFunction<V extends SpatialComparable, D extends Distance<D>> extends PrimitiveDistanceFunction<V, D> {
/**
* Computes the distance between the two given MBRs according to this distance
* function.
*
* @param mbr1 the first MBR object
* @param mbr2 the second MBR object
* @return the distance between the two given MBRs according to this distance
* function
*/
D minDist(SpatialComparable mbr1, SpatialComparable mbr2);
@Override
public <T extends V> SpatialDistanceQuery<T, D> instantiate(Relation<T> relation);
}
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