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 }