Examples with AbsoluteDate org.orekit.time.AbsoluteDate used on opensource projects

Example 56 with AbsoluteDate

use of org.orekit.time.AbsoluteDate in project Orekit by CS-SI.

the class TDMParserTest method validateTDMExampleAllKeywords.

/**
 * Validation function for example displaying all keywords.
 * @param file Parsed TDMFile to validate
 * @throws OrekitException if UTC time scale cannot be retrieved
 */
public static void validateTDMExampleAllKeywords(TDMFile file) throws OrekitException {
    final TimeScale utc = TimeScalesFactory.getUTC();
    // Header
    Assert.assertEquals(1.0, file.getFormatVersion(), 0.0);
    Assert.assertEquals(new AbsoluteDate("2017-06-14T10:53:00.000", utc).durationFrom(file.getCreationDate()), 0.0, 0.0);
    Assert.assertEquals("CSSI", file.getOriginator());
    final List<String> headerComment = new ArrayList<String>();
    headerComment.add("TDM example created by CSSI");
    headerComment.add("Testing all TDM known meta-data and data keywords");
    Assert.assertEquals(headerComment, file.getHeaderComment());
    // Meta-Data
    final TDMFile.TDMMetaData metaData = file.getObservationsBlocks().get(0).getMetaData();
    Assert.assertEquals(CcsdsTimeScale.UTC, metaData.getTimeSystem());
    Assert.assertEquals(new AbsoluteDate("2017-06-14T10:53:00.000", utc).durationFrom(metaData.getStartTime()), 0.0, 0.0);
    Assert.assertEquals("2017-06-14T10:53:00.000", metaData.getStartTimeString());
    Assert.assertEquals(new AbsoluteDate("2017-06-15T10:53:00.000", utc).durationFrom(metaData.getStopTime()), 0.0, 0.0);
    Assert.assertEquals("2017-06-15T10:53:00.000", metaData.getStopTimeString());
    Assert.assertEquals("DSS-25", metaData.getParticipants().get(1));
    Assert.assertEquals("YYYY-NNNA", metaData.getParticipants().get(2));
    Assert.assertEquals("P3", metaData.getParticipants().get(3));
    Assert.assertEquals("P4", metaData.getParticipants().get(4));
    Assert.assertEquals("P5", metaData.getParticipants().get(5));
    Assert.assertEquals("SEQUENTIAL", metaData.getMode());
    Assert.assertEquals("2,1", metaData.getPath());
    Assert.assertEquals("4,5", metaData.getPath1());
    Assert.assertEquals("3,2", metaData.getPath2());
    Assert.assertEquals("S", metaData.getTransmitBand());
    Assert.assertEquals("L", metaData.getReceiveBand());
    Assert.assertEquals(240, metaData.getTurnaroundNumerator(), 0);
    Assert.assertEquals(221, metaData.getTurnaroundDenominator(), 0);
    Assert.assertEquals("TRANSMIT", metaData.getTimetagRef());
    Assert.assertEquals(1.0, metaData.getIntegrationInterval(), 0.0);
    Assert.assertEquals("MIDDLE", metaData.getIntegrationRef());
    Assert.assertEquals(32021035200.0, metaData.getFreqOffset(), 0.0);
    Assert.assertEquals("COHERENT", metaData.getRangeMode());
    Assert.assertEquals(32768.0, metaData.getRangeModulus(), 0.0);
    Assert.assertEquals("RU", metaData.getRangeUnits());
    Assert.assertEquals("RADEC", metaData.getAngleType());
    Assert.assertEquals("EME2000", metaData.getReferenceFrameString());
    Assert.assertEquals(true, FramesFactory.getEME2000().equals(metaData.getReferenceFrame()));
    Assert.assertEquals(0.000077, metaData.getTransmitDelays().get(1), 0.0);
    Assert.assertEquals(0.000077, metaData.getTransmitDelays().get(2), 0.0);
    Assert.assertEquals(0.000077, metaData.getTransmitDelays().get(3), 0.0);
    Assert.assertEquals(0.000077, metaData.getTransmitDelays().get(4), 0.0);
    Assert.assertEquals(0.000077, metaData.getTransmitDelays().get(5), 0.0);
    Assert.assertEquals(0.000077, metaData.getReceiveDelays().get(1), 0.0);
    Assert.assertEquals(0.000077, metaData.getReceiveDelays().get(2), 0.0);
    Assert.assertEquals(0.000077, metaData.getReceiveDelays().get(3), 0.0);
    Assert.assertEquals(0.000077, metaData.getReceiveDelays().get(4), 0.0);
    Assert.assertEquals(0.000077, metaData.getReceiveDelays().get(5), 0.0);
    Assert.assertEquals("RAW", metaData.getDataQuality());
    Assert.assertEquals(1.0, metaData.getCorrectionAngle1(), 0.0);
    Assert.assertEquals(2.0, metaData.getCorrectionAngle2(), 0.0);
    Assert.assertEquals(3.0, metaData.getCorrectionDoppler(), 0.0);
    Assert.assertEquals(4.0, metaData.getCorrectionRange(), 0.0);
    Assert.assertEquals(5.0, metaData.getCorrectionReceive(), 0.0);
    Assert.assertEquals(6.0, metaData.getCorrectionTransmit(), 0.0);
    Assert.assertEquals("YES", metaData.getCorrectionsApplied());
    final List<String> metaDataComment = new ArrayList<String>();
    metaDataComment.add("All known meta-data keywords displayed");
    Assert.assertEquals(metaDataComment, metaData.getComment());
    // Data
    final List<TDMFile.Observation> observations = file.getObservationsBlocks().get(0).getObservations();
    // Reference data
    final String[] keywords = { "CARRIER_POWER", "DOPPLER_INSTANTANEOUS", "DOPPLER_INTEGRATED", "PC_N0", "PR_N0", "RANGE", "RECEIVE_FREQ_1", "RECEIVE_FREQ_2", "RECEIVE_FREQ_3", "RECEIVE_FREQ_4", "RECEIVE_FREQ_5", "RECEIVE_FREQ", "TRANSMIT_FREQ_1", "TRANSMIT_FREQ_2", "TRANSMIT_FREQ_3", "TRANSMIT_FREQ_4", "TRANSMIT_FREQ_5", "TRANSMIT_FREQ_RATE_1", "TRANSMIT_FREQ_RATE_2", "TRANSMIT_FREQ_RATE_3", "TRANSMIT_FREQ_RATE_4", "TRANSMIT_FREQ_RATE_5", "DOR", "VLBI_DELAY", "ANGLE_1", "ANGLE_2", "CLOCK_BIAS", "CLOCK_DRIFT", "STEC", "TROPO_DRY", "TROPO_WET", "PRESSURE", "RHUMIDITY", "TEMPERATURE" };
    final AbsoluteDate epoch = new AbsoluteDate("2017-06-14T10:53:00.000", utc);
    // Check consistency
    for (int i = 0; i < keywords.length; i++) {
        Assert.assertEquals(keywords[i], observations.get(i).getKeyword());
        Assert.assertEquals(epoch.shiftedBy((double) (i + 1)).durationFrom(observations.get(i).getEpoch()), 0.0, 0.0);
        Assert.assertEquals((double) (i + 1), observations.get(i).getMeasurement(), 0.0);
    }
    // Comment
    final List<String> dataComment = new ArrayList<String>();
    dataComment.add("Signal related Keywords");
    dataComment.add("VLBI/Delta-DOR Related Keywords");
    dataComment.add("Angle Related Keywords");
    dataComment.add("Time Related Keywords");
    dataComment.add("Media Related Keywords");
    dataComment.add("Meteorological Related Keywords");
    Assert.assertEquals(dataComment, file.getObservationsBlocks().get(0).getObservationsComment());
}

Example 57 with AbsoluteDate

use of org.orekit.time.AbsoluteDate in project Orekit by CS-SI.

the class SP3ParserTest method testParseSP3c2.

@Test
public void testParseSP3c2() throws OrekitException, IOException {
    // simple test for version sp3-c, contains p/v entries and correlations
    final String ex = "/sp3/example-c-2.sp3";
    final SP3Parser parser = new SP3Parser();
    final InputStream inEntry = getClass().getResourceAsStream(ex);
    final SP3File file = parser.parse(inEntry);
    Assert.assertEquals(SP3OrbitType.HLM, file.getOrbitType());
    Assert.assertEquals(TimeSystem.GPS, file.getTimeSystem());
    Assert.assertEquals(26, file.getSatelliteCount());
    final List<SP3Coordinate> coords = file.getSatellites().get("G01").getCoordinates();
    Assert.assertEquals(2, coords.size());
    final SP3Coordinate coord = coords.get(0);
    // 2001  8  8  0  0  0.00000000
    Assert.assertEquals(new AbsoluteDate(2001, 8, 8, 0, 0, 0, TimeScalesFactory.getGPS()), coord.getDate());
    // PG01 -11044.805800 -10475.672350  21929.418200    189.163300 18 18 18 219
    // VG01  20298.880364 -18462.044804   1381.387685     -4.534317 14 14 14 191
    checkPVEntry(new PVCoordinates(new Vector3D(-11044805.8, -10475672.35, 21929418.2), new Vector3D(2029.8880364, -1846.2044804, 138.1387685)), coord);
}

Example 58 with AbsoluteDate

use of org.orekit.time.AbsoluteDate in project Orekit by CS-SI.

the class SP3ParserTest method testSP3Propagator.

@Test
public void testSP3Propagator() throws Exception {
    // setup
    final String ex = "/sp3/example-a-2.sp3";
    final Frame frame = FramesFactory.getITRF(IERSConventions.IERS_2003, true);
    final SP3Parser parser = new SP3Parser(Constants.EIGEN5C_EARTH_MU, 3, s -> frame);
    final InputStream inEntry = getClass().getResourceAsStream(ex);
    TimeScale gps = TimeScalesFactory.getGPS();
    // action
    final SP3File file = parser.parse(inEntry);
    // verify
    SP3Ephemeris ephemeris = file.getSatellites().get("1");
    BoundedPropagator propagator = ephemeris.getPropagator();
    Assert.assertEquals(propagator.getMinDate(), new AbsoluteDate(1994, 12, 17, gps));
    Assert.assertEquals(propagator.getMaxDate(), new AbsoluteDate(1994, 12, 17, 23, 45, 0, gps));
    SP3Coordinate expected = ephemeris.getCoordinates().get(0);
    checkPVEntry(propagator.getPVCoordinates(propagator.getMinDate(), frame), expected);
    expected = ephemeris.getCoordinates().get(1);
    checkPVEntry(propagator.getPVCoordinates(expected.getDate(), frame), expected);
    expected = ephemeris.getCoordinates().get(2);
    checkPVEntry(propagator.getPVCoordinates(propagator.getMaxDate(), frame), expected);
    ephemeris = file.getSatellites().get("31");
    propagator = ephemeris.getPropagator();
    Assert.assertEquals(propagator.getMinDate(), new AbsoluteDate(1994, 12, 17, gps));
    Assert.assertEquals(propagator.getMaxDate(), new AbsoluteDate(1994, 12, 17, 23, 45, 0, gps));
    expected = ephemeris.getCoordinates().get(0);
    checkPVEntry(propagator.propagate(propagator.getMinDate()).getPVCoordinates(frame), expected);
    expected = ephemeris.getCoordinates().get(1);
    checkPVEntry(propagator.propagate(expected.getDate()).getPVCoordinates(frame), expected);
    expected = ephemeris.getCoordinates().get(2);
    checkPVEntry(propagator.propagate(propagator.getMaxDate()).getPVCoordinates(frame), expected);
}

Example 59 with AbsoluteDate

use of org.orekit.time.AbsoluteDate in project Orekit by CS-SI.

the class SP3ParserTest method testParseSP3a1.

@Test
public void testParseSP3a1() throws OrekitException, IOException, URISyntaxException {
    // simple test for version sp3-a, only contains position entries
    final String ex = "/sp3/example-a-1.sp3";
    final SP3Parser parser = new SP3Parser();
    final String fileName = Paths.get(getClass().getResource(ex).toURI()).toString();
    final SP3File file = (SP3File) parser.parse(fileName);
    Assert.assertEquals(SP3OrbitType.FIT, file.getOrbitType());
    Assert.assertEquals(TimeSystem.GPS, file.getTimeSystem());
    Assert.assertSame(Predefined.ITRF_CIO_CONV_2010_ACCURATE_EOP, ((FactoryManagedFrame) file.getSatellites().get("1").getFrame()).getFactoryKey());
    Assert.assertEquals(25, file.getSatelliteCount());
    final List<SP3Coordinate> coords = file.getSatellites().get("1").getCoordinates();
    Assert.assertEquals(3, coords.size());
    final SP3Coordinate coord = coords.get(0);
    // 1994 12 17 0 0 0.00000000
    Assert.assertEquals(new AbsoluteDate(1994, 12, 17, 0, 0, 0, TimeScalesFactory.getGPS()), coord.getDate());
    // P 1 16258.524750 -3529.015750 -20611.427050 -62.540600
    checkPVEntry(new PVCoordinates(new Vector3D(16258524.75, -3529015.75, -20611427.049), Vector3D.ZERO), coord);
    Assert.assertEquals("NGS", file.getAgency());
    Assert.assertEquals("ITR92", file.getCoordinateSystem());
    Assert.assertEquals("d", file.getDataUsed());
    Assert.assertEquals(0.0, file.getDayFraction(), 1.0e-15);
    Assert.assertEquals("1994-12-16T23:59:50.000", file.getEpoch().toString(TimeScalesFactory.getUTC()));
    Assert.assertEquals(49703, file.getJulianDay());
    Assert.assertEquals(3, file.getNumberOfEpochs());
    Assert.assertEquals(900.0, file.getEpochInterval(), 1.0e-15);
    Assert.assertEquals(779, file.getGpsWeek());
    Assert.assertEquals(518400.0, file.getSecondsOfWeek(), 1.0e-10);
    Assert.assertEquals(25, file.getSatellites().size());
    Assert.assertEquals(SP3File.SP3FileType.UNDEFINED, file.getType());
    Assert.assertNull(file.getSatellites().get(null));
}

Example 60 with AbsoluteDate

use of org.orekit.time.AbsoluteDate in project Orekit by CS-SI.

the class SP3ParserTest method testParseSP3c1.

@Test
public void testParseSP3c1() throws OrekitException, IOException {
    // simple test for version sp3-c, contains p entries
    final String ex = "/sp3/example-c-1.sp3";
    final SP3Parser parser = new SP3Parser();
    final InputStream inEntry = getClass().getResourceAsStream(ex);
    final SP3File file = parser.parse(inEntry);
    Assert.assertEquals(SP3OrbitType.HLM, file.getOrbitType());
    Assert.assertEquals(TimeSystem.GPS, file.getTimeSystem());
    Assert.assertEquals(26, file.getSatelliteCount());
    final List<SP3Coordinate> coords = file.getSatellites().get("G01").getCoordinates();
    Assert.assertEquals(2, coords.size());
    final SP3Coordinate coord = coords.get(0);
    // 2001  8  8  0  0  0.00000000
    Assert.assertEquals(new AbsoluteDate(2001, 8, 8, 0, 0, 0, TimeScalesFactory.getGPS()), coord.getDate());
    // PG01 -11044.805800 -10475.672350  21929.418200    189.163300 18 18 18 219
    checkPVEntry(new PVCoordinates(new Vector3D(-11044805.8, -10475672.35, 21929418.2), Vector3D.ZERO), coord);
}