View Javadoc
1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      https://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  /*
19   * This is not the original file distributed by the Apache Software Foundation
20   * It has been modified by the Hipparchus project
21   */
22  package org.hipparchus.geometry.euclidean.oned;
23  
24  import org.hipparchus.geometry.partitioning.AbstractSubHyperplane;
25  import org.hipparchus.geometry.partitioning.Hyperplane;
26  import org.hipparchus.geometry.partitioning.Region;
27  
28  /** This class represents sub-hyperplane for {@link OrientedPoint}.
29   * <p>An hyperplane in 1D is a simple point, its orientation being a
30   * boolean.</p>
31   * <p>Instances of this class are guaranteed to be immutable.</p>
32   */
33  public class SubOrientedPoint extends AbstractSubHyperplane<Euclidean1D, Euclidean1D> {
34  
35      /** Simple constructor.
36       * @param hyperplane underlying hyperplane
37       * @param remainingRegion remaining region of the hyperplane
38       */
39      public SubOrientedPoint(final Hyperplane<Euclidean1D> hyperplane,
40                              final Region<Euclidean1D> remainingRegion) {
41          super(hyperplane, remainingRegion);
42      }
43  
44      /** {@inheritDoc} */
45      @Override
46      public double getSize() {
47          return 0;
48      }
49  
50      /** {@inheritDoc} */
51      @Override
52      public boolean isEmpty() {
53          return false;
54      }
55  
56      /** {@inheritDoc} */
57      @Override
58      protected AbstractSubHyperplane<Euclidean1D, Euclidean1D> buildNew(final Hyperplane<Euclidean1D> hyperplane,
59                                                                         final Region<Euclidean1D> remainingRegion) {
60          return new SubOrientedPoint(hyperplane, remainingRegion);
61      }
62  
63      /** {@inheritDoc} */
64      @Override
65      public SplitSubHyperplane<Euclidean1D> split(final Hyperplane<Euclidean1D> hyperplane) {
66          final double global = hyperplane.getOffset(((OrientedPoint) getHyperplane()).getLocation());
67          if (global < -hyperplane.getTolerance()) {
68              return new SplitSubHyperplane<Euclidean1D>(null, this);
69          } else if (global > hyperplane.getTolerance()) {
70              return new SplitSubHyperplane<Euclidean1D>(this, null);
71          } else {
72              return new SplitSubHyperplane<Euclidean1D>(null, null);
73          }
74      }
75  
76  }