Examples with IERSConventions org.orekit.utils.IERSConventions used on opensource projects

Example 16 with IERSConventions

use of org.orekit.utils.IERSConventions in project Orekit by CS-SI.

the class Utils method buildEOPList.

public static List<EOPEntry> buildEOPList(IERSConventions conventions, ITRFVersion version, double[][] data) throws OrekitException {
    IERSConventions.NutationCorrectionConverter converter = conventions.getNutationCorrectionConverter();
    final List<EOPEntry> list = new ArrayList<EOPEntry>();
    for (double[] row : data) {
        final AbsoluteDate date = new AbsoluteDate(new DateComponents(DateComponents.MODIFIED_JULIAN_EPOCH, (int) row[0]), TimeScalesFactory.getUTC());
        final double[] nro;
        final double[] equinox;
        if (Double.isNaN(row[7])) {
            equinox = new double[] { Constants.ARC_SECONDS_TO_RADIANS * row[5], Constants.ARC_SECONDS_TO_RADIANS * row[6] };
            nro = converter.toNonRotating(date, equinox[0], equinox[1]);
        } else if (Double.isNaN(row[5])) {
            nro = new double[] { Constants.ARC_SECONDS_TO_RADIANS * row[7], Constants.ARC_SECONDS_TO_RADIANS * row[8] };
            equinox = converter.toEquinox(date, nro[0], nro[1]);
        } else {
            equinox = new double[] { Constants.ARC_SECONDS_TO_RADIANS * row[5], Constants.ARC_SECONDS_TO_RADIANS * row[6] };
            nro = new double[] { Constants.ARC_SECONDS_TO_RADIANS * row[7], Constants.ARC_SECONDS_TO_RADIANS * row[8] };
        }
        list.add(new EOPEntry((int) row[0], row[1], row[2], Constants.ARC_SECONDS_TO_RADIANS * row[3], Constants.ARC_SECONDS_TO_RADIANS * row[4], equinox[0], equinox[1], nro[0], nro[1], version));
    }
    return list;
}

Example 17 with IERSConventions

use of org.orekit.utils.IERSConventions in project Orekit by CS-SI.

the class Utils method setLoaders.

public static void setLoaders(final IERSConventions conventions, final List<EOPEntry> eop) {
    clearFactoryMaps(FramesFactory.class);
    clearFactoryMaps(TimeScalesFactory.class);
    FramesFactory.addEOPHistoryLoader(conventions, new EOPHistoryLoader() {

        public void fillHistory(IERSConventions.NutationCorrectionConverter converter, SortedSet<EOPEntry> history) {
            history.addAll(eop);
        }
    });
}

Example 18 with IERSConventions

use of org.orekit.utils.IERSConventions in project Orekit by CS-SI.

the class TidalDisplacementTest method testIERSDisplacementNumbers.

@Test
public void testIERSDisplacementNumbers() throws OrekitException {
    for (final IERSConventions conventions : IERSConventions.values()) {
        // as of Orekit 9.0, supported conventions are
        // IERS conventions 1996, IERS conventions 2003 and IERS conventions 2010
        // and they all share the same values for anelastic Earth model
        double[] hl = conventions.getNominalTidalDisplacement();
        Assert.assertEquals(13, hl.length);
        // h⁽⁰⁾
        Assert.assertEquals(0.6078, hl[0], 1.0e-15);
        // h⁽²⁾
        Assert.assertEquals(-0.0006, hl[1], 1.0e-15);
        // h₃
        Assert.assertEquals(0.292, hl[2], 1.0e-15);
        // hI diurnal
        Assert.assertEquals(-0.0025, hl[3], 1.0e-15);
        // hI semi-diurnal
        Assert.assertEquals(-0.0022, hl[4], 1.0e-15);
        // l⁽⁰⁾
        Assert.assertEquals(0.0847, hl[5], 1.0e-15);
        // l⁽¹⁾ diurnal
        Assert.assertEquals(0.0012, hl[6], 1.0e-15);
        // l⁽¹⁾ semi-diurnal
        Assert.assertEquals(0.0024, hl[7], 1.0e-15);
        // l⁽²⁾
        Assert.assertEquals(0.0002, hl[8], 1.0e-15);
        // l₃
        Assert.assertEquals(0.015, hl[9], 1.0e-15);
        // lI diurnal
        Assert.assertEquals(-0.0007, hl[10], 1.0e-15);
        // lI semi-diurnal
        Assert.assertEquals(-0.0007, hl[11], 1.0e-15);
        // H₀ permanent deformation amplitude
        Assert.assertEquals(-0.31460, hl[12], 1.0e-15);
    }
}

Example 19 with IERSConventions

use of org.orekit.utils.IERSConventions in project Orekit by CS-SI.

the class EarthITU453AtmosphereRefractionTest method setUp.

@Before
public void setUp() throws Exception {
    Utils.setDataRoot("regular-data:potential:tides");
    IERSConventions conventions = IERSConventions.IERS_2010;
    OneAxisEllipsoid earth = new OneAxisEllipsoid(Constants.WGS84_EARTH_EQUATORIAL_RADIUS, Constants.WGS84_EARTH_FLATTENING, FramesFactory.getITRF(conventions, true));
    // Kiruna-2 (Sweden)
    final GeodeticPoint kir = new GeodeticPoint(FastMath.toRadians(67.858428), FastMath.toRadians(20.966880), 385.8);
    // Hartebeesthoek (South Africa)
    final GeodeticPoint har = new GeodeticPoint(FastMath.toRadians(-24.110243), FastMath.toRadians(27.685308), 1415.821);
    // Everest (fake station)
    final GeodeticPoint eve = new GeodeticPoint(FastMath.toRadians(27.988333), FastMath.toRadians(86.991944), 8848.0);
    // Dead Sea (fake station)
    final GeodeticPoint des = new GeodeticPoint(FastMath.toRadians(31.500000), FastMath.toRadians(35.500000), -422.0);
    // Alt0 (fake station)
    final GeodeticPoint alt = new GeodeticPoint(FastMath.toRadians(31.500000), FastMath.toRadians(35.500000), 0.0);
    stationk = new TopocentricFrame(earth, kir, namek);
    stationh = new TopocentricFrame(earth, har, nameh);
    statione = new TopocentricFrame(earth, eve, namee);
    stationd = new TopocentricFrame(earth, des, named);
    stationa = new TopocentricFrame(earth, alt, namea);
}