1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17 package org.orekit.gnss.metric.messages.rtcm;
18
19 import java.util.ArrayList;
20
21 import org.hipparchus.util.FastMath;
22 import org.junit.Assert;
23 import org.junit.Before;
24 import org.junit.Test;
25 import org.orekit.Utils;
26 import org.orekit.gnss.SatelliteSystem;
27 import org.orekit.gnss.metric.messages.rtcm.ephemeris.Rtcm1044;
28 import org.orekit.gnss.metric.messages.rtcm.ephemeris.Rtcm1044Data;
29 import org.orekit.gnss.metric.parser.ByteArrayEncodedMessages;
30 import org.orekit.gnss.metric.parser.EncodedMessage;
31 import org.orekit.gnss.metric.parser.RtcmMessagesParser;
32 import org.orekit.propagation.analytical.gnss.GNSSPropagator;
33 import org.orekit.propagation.analytical.gnss.GNSSPropagatorBuilder;
34 import org.orekit.propagation.analytical.gnss.data.QZSSNavigationMessage;
35 import org.orekit.time.GNSSDate;
36
37 public class Rtcm1044Test {
38
39 private double eps = 9.0e-10;
40
41 @Before
42 public void setUp() {
43 Utils.setDataRoot("gnss");
44 }
45
46 @Test
47 public void testParseMessage() {
48
49 final String m = "010000010100" +
50 "1100" +
51 "0000111101101111" +
52 "01111111" +
53 "0000101011111101" +
54 "0100101011111101111111" +
55 "10000100" +
56 "0000000000000000" +
57 "0111111011001111" +
58 "00000110110011111011100110011011" +
59 "0000000000000000" +
60 "00010011111101111000111000011001" +
61 "0000000000000000" +
62 "10100001000011000111111111111111" +
63 "1000100011100011" +
64 "0000000000000000" +
65 "00011100011100000111111000111111" +
66 "0000000000000000" +
67 "00101000001111100011110011110000" +
68 "0000000000000000" +
69 "00001100001111100011110011110000" +
70 "111111111011111111110100" +
71 "01011101111101" +
72 "10" +
73 "0110111001" +
74 "0001" +
75 "000000" +
76 "00000011" +
77 "1010110111" +
78 "0" +
79 "000";
80
81
82 final EncodedMessage message = new ByteArrayEncodedMessages(byteArrayFromBinary(m));
83 message.start();
84
85 ArrayList<Integer> messages = new ArrayList<>();
86 messages.add(1044);
87
88 final Rtcm1044 rtcm1044 = (Rtcm1044) new RtcmMessagesParser(messages).parse(message, false);
89 final Rtcm1044Data ephemerisData = rtcm1044.getEphemerisData();
90 final QZSSNavigationMessage qzssMessage = ephemerisData.getQzssNavigationMessage();
91
92
93 final GNSSPropagator propagator = new GNSSPropagatorBuilder(qzssMessage).build();
94 Assert.assertNotNull(propagator);
95 Assert.assertEquals(0.0, qzssMessage.getDate().
96 durationFrom(new GNSSDate(qzssMessage.getWeek(), 1000.0 * qzssMessage.getTime(), SatelliteSystem.QZSS).getDate()), eps);
97
98
99 Assert.assertEquals(1044, rtcm1044.getTypeCode());
100 Assert.assertEquals(1, rtcm1044.getData().size());
101
102
103 Assert.assertEquals(204, qzssMessage.getPRN());
104 Assert.assertEquals(441, qzssMessage.getWeek());
105 Assert.assertEquals(2.1475894557210572E-9, qzssMessage.getIDot(), eps);
106 Assert.assertEquals(132, qzssMessage.getIODE(), eps);
107 Assert.assertEquals(3.524958E-15, qzssMessage.getAf2(), eps);
108 Assert.assertEquals(3.1980107E-10, qzssMessage.getAf1(), eps);
109 Assert.assertEquals(5.721445195376873E-4, qzssMessage.getAf0(), eps);
110 Assert.assertEquals(695, qzssMessage.getIODC());
111 Assert.assertEquals(0.0, qzssMessage.getCrs(), eps);
112 Assert.assertEquals(1.4587496546628753E-4, qzssMessage.getMeanMotion(), eps);
113 Assert.assertEquals(0.16717753824407455, qzssMessage.getM0(), eps);
114 Assert.assertEquals(0.0, qzssMessage.getCuc(), eps);
115 Assert.assertEquals(0.0389980711042881, qzssMessage.getE(), eps);
116 Assert.assertEquals(0.0, qzssMessage.getCus(), eps);
117 Assert.assertEquals(5153.562498092651, FastMath.sqrt(qzssMessage.getSma()), eps);
118 Assert.assertEquals(560688.0, qzssMessage.getTime(), eps);
119 Assert.assertEquals(0.0, qzssMessage.getCic(), eps);
120 Assert.assertEquals(0.0, qzssMessage.getCis(), eps);
121 Assert.assertEquals(0.9877147247285952, qzssMessage.getI0(), eps);
122 Assert.assertEquals(0.0, qzssMessage.getCrc(), eps);
123 Assert.assertEquals(0.30049130834913723, qzssMessage.getPa(), eps);
124 Assert.assertEquals(-5.855958209879004E-9, qzssMessage.getOmegaDot(), eps);
125 Assert.assertEquals(0.6980085400002902, qzssMessage.getOmega0(), eps);
126 Assert.assertEquals(1.3969839E-9, qzssMessage.getTGD(), eps);
127
128
129 Assert.assertEquals(204, ephemerisData.getSatelliteID());
130 Assert.assertEquals(63216.0, ephemerisData.getQzssToc(), eps);
131 Assert.assertEquals(2, ephemerisData.getQzssCodeOnL2());
132 Assert.assertEquals(0, ephemerisData.getQzssFitInterval());
133 Assert.assertEquals(ephemerisData.getAccuracyProvider().getAccuracy(), qzssMessage.getSvAccuracy(), eps);
134
135 }
136
137 @Test
138 public void testNullMessage() {
139
140 final String m = "010000010100" +
141 "1100" +
142 "0000111101101111" +
143 "01111111" +
144 "0000101011111101" +
145 "0100101011111101111111" +
146 "10000100" +
147 "0000000000000000" +
148 "0111111011001111" +
149 "00000110110011111011100110011011" +
150 "0000000000000000" +
151 "00010011111101111000111000011001" +
152 "0000000000000000" +
153 "10100001000011000111111111111111" +
154 "1000100011100011" +
155 "0000000000000000" +
156 "00011100011100000111111000111111" +
157 "0000000000000000" +
158 "00101000001111100011110011110000" +
159 "0000000000000000" +
160 "00001100001111100011110011110000" +
161 "111111111011111111110100" +
162 "01011101111101" +
163 "10" +
164 "0110111001" +
165 "0001" +
166 "000000" +
167 "00000011" +
168 "1010110111" +
169 "0" +
170 "000";
171
172 final EncodedMessage message = new ByteArrayEncodedMessages(byteArrayFromBinary(m));
173 message.start();
174
175 ArrayList<Integer> messages = new ArrayList<>();
176 messages.add(9999999);
177
178 final Rtcm1044 rtcm1044 = (Rtcm1044) new RtcmMessagesParser(messages).parse(message, false);
179
180 Assert.assertNull(rtcm1044);
181 }
182
183
184 private byte[] byteArrayFromBinary(String radix2Value) {
185 final byte[] array = new byte[radix2Value.length() / 8];
186 for (int i = 0; i < array.length; ++i) {
187 for (int j = 0; j < 8; ++j) {
188 if (radix2Value.charAt(8 * i + j) != '0') {
189 array[i] |= 0x1 << (7 - j);
190 }
191 }
192 }
193 return array;
194 }
195
196 }