001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.commons.math3.geometry.euclidean.threed;
018    
019    
020    /** Simple container for a two-points segment.
021     * @version $Id: Segment.java 1416643 2012-12-03 19:37:14Z tn $
022     * @since 3.0
023     */
024    public class Segment {
025    
026        /** Start point of the segment. */
027        private final Vector3D start;
028    
029        /** End point of the segments. */
030        private final Vector3D end;
031    
032        /** Line containing the segment. */
033        private final Line     line;
034    
035        /** Build a segment.
036         * @param start start point of the segment
037         * @param end end point of the segment
038         * @param line line containing the segment
039         */
040        public Segment(final Vector3D start, final Vector3D end, final Line line) {
041            this.start  = start;
042            this.end    = end;
043            this.line   = line;
044        }
045    
046        /** Get the start point of the segment.
047         * @return start point of the segment
048         */
049        public Vector3D getStart() {
050            return start;
051        }
052    
053        /** Get the end point of the segment.
054         * @return end point of the segment
055         */
056        public Vector3D getEnd() {
057            return end;
058        }
059    
060        /** Get the line containing the segment.
061         * @return line containing the segment
062         */
063        public Line getLine() {
064            return line;
065        }
066    
067    }