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Diffstat (limited to 'elki/src/main/java/de/lmu/ifi/dbs/elki/data/uncertain/UncertainObject.java')
-rw-r--r-- | elki/src/main/java/de/lmu/ifi/dbs/elki/data/uncertain/UncertainObject.java | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/elki/src/main/java/de/lmu/ifi/dbs/elki/data/uncertain/UncertainObject.java b/elki/src/main/java/de/lmu/ifi/dbs/elki/data/uncertain/UncertainObject.java new file mode 100644 index 00000000..ea1dfa3d --- /dev/null +++ b/elki/src/main/java/de/lmu/ifi/dbs/elki/data/uncertain/UncertainObject.java @@ -0,0 +1,59 @@ +package de.lmu.ifi.dbs.elki.data.uncertain; + +/* + This file is part of ELKI: + Environment for Developing KDD-Applications Supported by Index-Structures + + Copyright (C) 2015 + 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 java.util.Random; + +import de.lmu.ifi.dbs.elki.data.DoubleVector; +import de.lmu.ifi.dbs.elki.data.FeatureVector; +import de.lmu.ifi.dbs.elki.data.spatial.SpatialComparable; + +/** + * Interface for uncertain objects. + * + * Uncertain objects <em>must</em> provide a bounding box in this model, and + * have an option to randomly sample from the data. + * + * TODO: Eventually allow float precision, too. + * + * @author Erich Schubert + * + * @apiviz.has DoubleVector oneway - «contains/produces» + */ +public interface UncertainObject extends SpatialComparable, FeatureVector<Double> { + /** + * Draw a random sampled instance. + * + * @param rand Random generator + * @return Sampled object. + */ + DoubleVector drawSample(Random rand); + + /** + * Get the center of mass of the uncertain object. + * + * @return Center of mass. + */ + DoubleVector getCenterOfMass(); +}
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