1 /* Copyright 2022-2025 Thales Alenia Space
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.propagation.analytical.gnss.data;
18
19 import org.orekit.frames.Frame;
20 import org.orekit.gnss.SatelliteSystem;
21 import org.orekit.time.TimeScales;
22
23 /**
24 * Factory for {@link BeidouLegacyNavigationMessage}.
25 * @author Luc Maisonobe
26 * @since 14.0
27 */
28 public class BeidouLegacyNavigationMessageFactory
29 extends AbstractNavigationMessageFactory<BeidouLegacyNavigationMessage> {
30
31 /** Indicator for D2 messages. */
32 private final boolean d2;
33
34 /** Age of Data, Ephemeris. */
35 private int aode;
36
37 /** Age of Data, Clock. */
38 private int aodc;
39
40 /** Health identifier. */
41 private int satH1;
42
43 /** B1/B3 Group Delay Differential (s). */
44 private double tgd1;
45
46 /** B2/B3 Group Delay Differential (s). */
47 private double tgd2;
48
49 /** The user SV accuracy (m). */
50 private double svAccuracy;
51
52 /** Simple constructor.
53 * @param timeScales known time scales
54 * @param system satellite system to use for interpreting week number
55 * @param type message type (null if not a navigation message)
56 * @param inertial reference inertial frame
57 * @param bodyFixed body fixed frame (will be frozen at {@code date} to build the orbital elements
58 * @param d2 indicator for D2 messages
59 */
60 public BeidouLegacyNavigationMessageFactory(final TimeScales timeScales, final SatelliteSystem system,
61 final String type, final Frame inertial, final Frame bodyFixed,
62 final boolean d2) {
63 super(GNSSConstants.BEIDOU_AV, timeScales, system,
64 type, inertial, bodyFixed, GNSSConstants.BEIDOU_MU);
65 this.d2 = d2;
66 }
67
68 /** Check if message is a D2 message.
69 * @return true if message is a D2 message
70 */
71 public boolean isD2() {
72 return d2;
73 }
74
75 /** Get the Age Of Data Clock (AODC).
76 * @return the Age Of Data Clock (AODC)
77 */
78 public int getAodc() {
79 return aodc;
80 }
81
82 /** Set the Age Of Data Clock (AODC).
83 * @param aodc the Age Of Data Clock (AODC)
84 */
85 public void setAodc(final int aodc) {
86 this.aodc = aodc;
87 }
88
89 /** Get the Age Of Data Ephemeris (AODE).
90 * @return the Age Of Data Ephemeris (AODE)
91 */
92 public int getAode() {
93 return aode;
94 }
95
96 /** Set the Age Of Data Ephemeris (AODE).
97 * @param aode the Age Of Data Ephemeris (AODE)
98 */
99 public void setAode(final int aode) {
100 this.aode = aode;
101 }
102
103 /** Get the estimated group delay differential TGD1 for B1I signal.
104 * @return the estimated group delay differential TGD1 for B1I signal (s)
105 */
106 public double getTgd1() {
107 return tgd1;
108 }
109
110 /** Set the estimated group delay differential TGD1 for B1I signal.
111 * @param tgd1 the estimated group delay differential TGD1 for B1I signal (s)
112 */
113 public void setTgd1(final double tgd1) {
114 this.tgd1 = tgd1;
115 }
116
117 /** Get the estimated group delay differential TGD for B2I signal.
118 * @return the estimated group delay differential TGD2 for B2I signal (s)
119 */
120 public double getTgd2() {
121 return tgd2;
122 }
123
124 /** Set the estimated group delay differential TGD for B2I signal.
125 * @param tgd2 the estimated group delay differential TGD2 for B2I signal (s)
126 */
127 public void setTgd2(final double tgd2) {
128 this.tgd2 = tgd2;
129 }
130
131 /** Get the user SV accuray (meters).
132 * @return the user SV accuracy
133 */
134 public double getSvAccuracy() {
135 return svAccuracy;
136 }
137
138 /** Set the user SV accuray (meters).
139 * @param svAccuracy the user SV accuracy
140 */
141 public void setSvAccuracy(final double svAccuracy) {
142 this.svAccuracy = svAccuracy;
143 }
144
145 /** Get the health identifier.
146 * @return health identifier
147 */
148 public int getSatH1() {
149 return satH1;
150 }
151
152 /** Set the health identifier.
153 * @param satH1 health identifier
154 */
155 public void setSatH1(final int satH1) {
156 this.satH1 = satH1;
157 }
158
159 /** {@inheritDoc} */
160 @Override
161 public BeidouLegacyNavigationMessage createFromDrivers() {
162 return new BeidouLegacyNavigationMessage(isD2(),
163 getTimeScales(), getType(), getPrn(), getTimeOfEphemeris(),
164 createOrbitFromDrivers(),
165 getADotDriver().getValue(),
166 getDeltaN0Driver().getValue(), getDeltaN0DotDriver().getValue(),
167 getIDotDriver().getValue(), getOmegaDotDriver().getValue(),
168 getCucDriver().getValue(), getCusDriver().getValue(),
169 getCrcDriver().getValue(), getCrsDriver().getValue(),
170 getCicDriver().getValue(), getCisDriver().getValue(),
171 getAf0Driver().getValue(), getAf1Driver().getValue(),
172 getAf2Driver().getValue(),
173 getTgd(), getTimeOfClock(), getTransmissionTime(),
174 getAode(), getAodc(), getSatH1(),
175 getTgd1(), getTgd2(), getSvAccuracy());
176 }
177
178 }