1 /* Copyright 2022-2025 Romain Serra
2 * Licensed to CS GROUP (CS) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * CS 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 * http://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 package org.orekit.bodies;
18
19 import org.hipparchus.CalculusFieldElement;
20 import org.hipparchus.Field;
21 import org.orekit.time.FieldAbsoluteDate;
22 import org.orekit.time.FieldTimeStamped;
23
24 /**
25 * Implements a time-stamped {@link FieldGeodeticPoint}.
26 * @author Romain Serra
27 * @since 13.1
28 */
29 public class FieldTimeStampedGeodeticPoint<T extends CalculusFieldElement<T>> extends FieldGeodeticPoint<T>
30 implements FieldTimeStamped<T> {
31 /**
32 * Date at which the {@link FieldGeodeticPoint} is set.
33 */
34 private final FieldAbsoluteDate<T> date;
35
36 /**
37 * Build a new instance from geodetic coordinates.
38 *
39 * @param date date of the point
40 * @param latitude geodetic latitude (rad)
41 * @param longitude geodetic longitude (rad)
42 * @param altitude altitude above ellipsoid (m)
43 */
44 public FieldTimeStampedGeodeticPoint(final FieldAbsoluteDate<T> date, final T latitude, final T longitude,
45 final T altitude) {
46 super(latitude, longitude, altitude);
47 this.date = date;
48 }
49
50 /**
51 * Build a new instance from a {@link FieldGeodeticPoint}.
52 *
53 * @param date date of the point
54 * @param point geodetic point
55 */
56 public FieldTimeStampedGeodeticPoint(final FieldAbsoluteDate<T> date, final FieldGeodeticPoint<T> point) {
57 this(date, point.getLatitude(), point.getLongitude(), point.getAltitude());
58 }
59
60 /**
61 * Build a new instance from a {@link TimeStampedGeodeticPoint}.
62 *
63 * @param field field
64 * @param timeStampedGeodeticPoint non-Field point
65 */
66 public FieldTimeStampedGeodeticPoint(final Field<T> field, final TimeStampedGeodeticPoint timeStampedGeodeticPoint) {
67 this(new FieldAbsoluteDate<>(field, timeStampedGeodeticPoint.getDate()), new FieldGeodeticPoint<>(field, timeStampedGeodeticPoint));
68 }
69
70 @Override
71 @SuppressWarnings("unchecked")
72 public boolean equals(final Object object) {
73 if (object instanceof FieldTimeStampedGeodeticPoint<?>) {
74 final FieldTimeStampedGeodeticPoint<T> other = (FieldTimeStampedGeodeticPoint<T>) object;
75 return other.date.isEqualTo(date) && super.equals(other);
76 } else {
77 return false;
78 }
79 }
80
81 @Override
82 public int hashCode() {
83 return date.hashCode() + super.hashCode();
84 }
85
86 @Override
87 public FieldAbsoluteDate<T> getDate() {
88 return date;
89 }
90 }