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package de.lmu.ifi.dbs.elki.visualization.opticsplot;
/*
This file is part of ELKI:
Environment for Developing KDD-Applications Supported by Index-Structures
Copyright (C) 2011
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.distance.distancevalue.NumberDistance;
import de.lmu.ifi.dbs.elki.result.optics.ClusterOrderEntry;
/**
* Adapter that will map a regular number distance to its double value.
*
* @author Erich Schubert
*/
public class OPTICSNumberDistance<D extends NumberDistance<D,?>> implements OPTICSDistanceAdapter<D> {
/**
* Default constructor.
*/
public OPTICSNumberDistance() {
super();
}
@Override
public double getDoubleForEntry(ClusterOrderEntry<D> coe) {
if (coe.getReachability() == null) {
return Double.POSITIVE_INFINITY;
}
return coe.getReachability().doubleValue();
}
}
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