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.spherical.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 LimitAngle}.
29 * <p>Instances of this class are guaranteed to be immutable.</p>
30 */
31 public class SubLimitAngle extends AbstractSubHyperplane<Sphere1D, Sphere1D> {
32
33 /** Simple constructor.
34 * @param hyperplane underlying hyperplane
35 * @param remainingRegion remaining region of the hyperplane
36 */
37 public SubLimitAngle(final Hyperplane<Sphere1D> hyperplane,
38 final Region<Sphere1D> remainingRegion) {
39 super(hyperplane, remainingRegion);
40 }
41
42 /** {@inheritDoc} */
43 @Override
44 public double getSize() {
45 return 0;
46 }
47
48 /** {@inheritDoc} */
49 @Override
50 public boolean isEmpty() {
51 return false;
52 }
53
54 /** {@inheritDoc} */
55 @Override
56 protected AbstractSubHyperplane<Sphere1D, Sphere1D> buildNew(final Hyperplane<Sphere1D> hyperplane,
57 final Region<Sphere1D> remainingRegion) {
58 return new SubLimitAngle(hyperplane, remainingRegion);
59 }
60
61 /** {@inheritDoc} */
62 @Override
63 public SplitSubHyperplane<Sphere1D> split(final Hyperplane<Sphere1D> hyperplane) {
64 final double global = hyperplane.getOffset(((LimitAngle) getHyperplane()).getLocation());
65 if (global < -hyperplane.getTolerance()) {
66 return new SplitSubHyperplane<Sphere1D>(null, this);
67 } else if (global > hyperplane.getTolerance()) {
68 return new SplitSubHyperplane<Sphere1D>(this, null);
69 } else {
70 return new SplitSubHyperplane<Sphere1D>(null, null);
71 }
72 }
73
74 }