Esempio n. 1
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 def test(self):
     e = gpstk.EngAlmanac()
     suframe = [023222245L, 14111111324L, 4623626L, 33333531536L,
                4126166634L, 17845L, 6317L, 736162361L, 83163L, 91471L]
     e.addSubframe(suframe, 1)
     g = gpstk.GPSAlmanacStore()
     g.addAlmanac(e)
def yuma_data(filename, prn):
    header, data = gpstk.readYuma(filename)
    sat = gpstk.SatID(prn, gpstk.SatID.systemGPS)
    almanac = gpstk.GPSAlmanacStore()
    for d in data:
        if prn == d.PRN:
            orbit = d.toAlmOrbit()
            almanac.addAlmanac(orbit)

    class yuma_holder:
        def __init__(self, almanacStore, satStore):
            self.almanacStore = almanacStore
            self.satStore = satStore

        def first_time(self):
            return self.almanacStore.getInitialTime()

        def last_time(self):
            return self.almanacStore.getFinalTime()

        def position(self, t):
            triple = self.almanacStore.getXvt(self.satStore, t).getPos()
            return triple2Position(triple)

    return yuma_holder(almanac, sat)
Esempio n. 3
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    def test_almanac(self):
        isblock62 = (lambda x: x.blockNum == 62)
        header, data = gpstk.readFIC('fic_data.txt', filterfunction=isblock62, strict=True)
        self.assertEqual(96, len(data))
        g = gpstk.GPSAlmanacStore()
        for d in data:
            orbit = d.toAlmOrbit()
            g.addAlmanac(orbit)

        sat = gpstk.SatID(4, gpstk.SatID.systemGPS)
        sys = gpstk.TimeSystem(gpstk.TimeSystem.GPS)
        t = gpstk.CivilTime(2012, 11, 10, 2, 0, 0, sys)
        t = t.toCommonTime()
        xvt= g.getXvt(sat, t)
        self.assertAlmostEqual(6888490.4337890595, xvt.x[0])
        self.assertAlmostEqual(1036.1894772036476, xvt.v[1])