org.apache.commons.math3.geometry.hull.ConvexHull Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of cf4j-recsys Show documentation

A Java's Collaborative Filtering library to carry out experiments in research of Collaborative Filtering based Recommender Systems. The library has been designed from researchers to researchers.

The newest version!

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.commons.math3.geometry.hull;

import java.io.Serializable;

import org.apache.commons.math3.exception.InsufficientDataException;
import org.apache.commons.math3.geometry.Point;
import org.apache.commons.math3.geometry.Space;
import org.apache.commons.math3.geometry.partitioning.Region;

/**
 * This class represents a convex hull.
 *
 * @param  Space type.
 * @param  Point type.
 * @since 3.3
 */
public interface ConvexHull> extends Serializable {

    /**
     * Get the vertices of the convex hull.
     * @return vertices of the convex hull
     */
    P[] getVertices();

    /**
     * Returns a new region that is enclosed by the convex hull.
     * @return the region enclosed by the convex hull
     * @throws InsufficientDataException if the number of vertices is not enough to
     * build a region in the respective space
     */
    Region createRegion() throws InsufficientDataException;
}