Example #1
0
def example3():

    start = GeoCoords(2.4320023, 48.84298, 100).toECEFCoords()
    print(start)

    path = "data/psr.dat"

    track = Track()

    for i in range(47):
        track.addObs(Obs(ECEFCoords(0, 0, 0)))
    track.createAnalyticalFeature("m0", [0] * 47)
    track.createAnalyticalFeature("sx0", [0] * 47)
    track.createAnalyticalFeature("sy0", [0] * 47)
    track.createAnalyticalFeature("sz0", [0] * 47)
    track.createAnalyticalFeature("m1", [0] * 47)
    track.createAnalyticalFeature("sx1", [0] * 47)
    track.createAnalyticalFeature("sy1", [0] * 47)
    track.createAnalyticalFeature("sz1", [0] * 47)
    track.createAnalyticalFeature("m2", [0] * 47)
    track.createAnalyticalFeature("sx2", [0] * 47)
    track.createAnalyticalFeature("sy2", [0] * 47)
    track.createAnalyticalFeature("sz2", [0] * 47)
    track.createAnalyticalFeature("m3", [0] * 47)
    track.createAnalyticalFeature("sx3", [0] * 47)
    track.createAnalyticalFeature("sy3", [0] * 47)
    track.createAnalyticalFeature("sz3", [0] * 47)
    track.createAnalyticalFeature("m4", [0] * 47)
    track.createAnalyticalFeature("sx4", [0] * 47)
    track.createAnalyticalFeature("sy4", [0] * 47)
    track.createAnalyticalFeature("sz4", [0] * 47)

    with open(path) as fp:
        line = True
        for i in range(47):
            for j in range(5):
                line = fp.readline()
                vals = line[:-2].split(",")
                track.setObsAnalyticalFeature("sx" + str(j), i, float(vals[1]))
                track.setObsAnalyticalFeature("sy" + str(j), i, float(vals[2]))
                track.setObsAnalyticalFeature("sz" + str(j), i, float(vals[3]))
                track.setObsAnalyticalFeature("m" + str(j), i, float(vals[4]))
            line = fp.readline()

    def F(x):
        plan = ECEFCoords(x[0, 0], x[1, 0], x[2, 0]).toENUCoords(start)
        plan.E += x[5, 0] * math.sin(x[4, 0])
        plan.N += x[5, 0] * math.cos(x[4, 0])
        xyz = plan.toECEFCoords(start)
        return np.array([[xyz.X], [xyz.Y], [xyz.Z], [x[3, 0] + x[6, 0]],
                         [x[4, 0]], [x[5, 0]], [x[6, 0]]])

    def H(x, k, track):
        return np.array([
            [((x[0, 0] - track["sx0", k])**2 + (x[1, 0] - track["sy0", k])**2 +
              (x[2, 0] - track["sz0", k])**2)**0.5 + x[3, 0]],
            [((x[0, 0] - track["sx1", k])**2 + (x[1, 0] - track["sy1", k])**2 +
              (x[2, 0] - track["sz1", k])**2)**0.5 + x[3, 0]],
            [((x[0, 0] - track["sx2", k])**2 + (x[1, 0] - track["sy2", k])**2 +
              (x[2, 0] - track["sz2", k])**2)**0.5 + x[3, 0]],
            [((x[0, 0] - track["sx3", k])**2 + (x[1, 0] - track["sy3", k])**2 +
              (x[2, 0] - track["sz3", k])**2)**0.5 + x[3, 0]],
            [((x[0, 0] - track["sx4", k])**2 + (x[1, 0] - track["sy4", k])**2 +
              (x[2, 0] - track["sz4", k])**2)**0.5 + x[3, 0]]
        ])

    Q = 1e0 * np.eye(7, 7)
    Q[3, 3] = 0
    Q[4, 4] = 1e-10
    Q[5, 5] = 1e-1
    Q[6, 6] = 1e-1
    R = 1e1 * np.eye(5, 5)

    X0 = np.array([[start.getX()], [start.getY()], [start.getZ()], [0], [0],
                   [0], [0]])
    P0 = 1e5 * np.eye(7, 7)
    P0[3, 3] = 1e6
    P0[4, 4] = 1e1
    P0[5, 5] = 1e1
    P0[6, 6] = 1e3

    UKF = Kalman(spreading=1)
    UKF.setTransition(F, Q)
    UKF.setObservation(H, R)
    UKF.setInitState(X0, P0)
    UKF.summary()

    UKF.estimate(track, ["m0", "m1", "m2", "m3", "m4"],
                 mode=Dynamics.MODE_STATES_AS_3D_POSITIONS)

    track.toGeoCoords()

    track.plot('r-')

    plt.show()

    KmlWriter.writeToKml(track, path="couplage.kml", type="LINE")
Example #2
0
def example4():

    start = GeoCoords(2.4320023, 48.84298, 100).toECEFCoords()

    path = "data/psr_all.dat"

    track = Track()

    Nepochs = 534
    for i in range(Nepochs):
        track.addObs(Obs(ECEFCoords(0, 0, 0)))
    track.createAnalyticalFeature("m0", [0] * Nepochs)
    track.createAnalyticalFeature("sx0", [0] * Nepochs)
    track.createAnalyticalFeature("sy0", [0] * Nepochs)
    track.createAnalyticalFeature("sz0", [0] * Nepochs)
    track.createAnalyticalFeature("m1", [0] * Nepochs)
    track.createAnalyticalFeature("sx1", [0] * Nepochs)
    track.createAnalyticalFeature("sy1", [0] * Nepochs)
    track.createAnalyticalFeature("sz1", [0] * Nepochs)
    track.createAnalyticalFeature("m2", [0] * Nepochs)
    track.createAnalyticalFeature("sx2", [0] * Nepochs)
    track.createAnalyticalFeature("sy2", [0] * Nepochs)
    track.createAnalyticalFeature("sz2", [0] * Nepochs)
    track.createAnalyticalFeature("m3", [0] * Nepochs)
    track.createAnalyticalFeature("sx3", [0] * Nepochs)
    track.createAnalyticalFeature("sy3", [0] * Nepochs)
    track.createAnalyticalFeature("sz3", [0] * Nepochs)
    track.createAnalyticalFeature("m4", [0] * Nepochs)
    track.createAnalyticalFeature("sx4", [0] * Nepochs)
    track.createAnalyticalFeature("sy4", [0] * Nepochs)
    track.createAnalyticalFeature("sz4", [0] * Nepochs)
    track.createAnalyticalFeature("m5", [0] * Nepochs)
    track.createAnalyticalFeature("sx5", [0] * Nepochs)
    track.createAnalyticalFeature("sy5", [0] * Nepochs)
    track.createAnalyticalFeature("sz5", [0] * Nepochs)

    with open(path) as fp:
        line = True
        for i in range(Nepochs):
            for j in range(6):
                line = fp.readline()
                vals = line[:-1].split(",")
                track.setObsAnalyticalFeature("sx" + str(j), i, float(vals[1]))
                track.setObsAnalyticalFeature("sy" + str(j), i, float(vals[2]))
                track.setObsAnalyticalFeature("sz" + str(j), i, float(vals[3]))
                track.setObsAnalyticalFeature("m" + str(j), i, float(vals[4]))
            line = fp.readline()

    track = track % [False, True]

    def F(x):
        return np.array([[x[0, 0]], [x[1, 0]], [x[2, 0]], [x[3, 0] + x[4, 0]],
                         [x[4, 0]]])

    def H(x, k, track):
        return np.array([
            [((x[0, 0] - track["sx0", k])**2 + (x[1, 0] - track["sy0", k])**2 +
              (x[2, 0] - track["sz0", k])**2)**0.5 + x[3, 0]],
            [((x[0, 0] - track["sx1", k])**2 + (x[1, 0] - track["sy1", k])**2 +
              (x[2, 0] - track["sz1", k])**2)**0.5 + x[3, 0]],
            [((x[0, 0] - track["sx2", k])**2 + (x[1, 0] - track["sy2", k])**2 +
              (x[2, 0] - track["sz2", k])**2)**0.5 + x[3, 0]],
            [((x[0, 0] - track["sx3", k])**2 + (x[1, 0] - track["sy3", k])**2 +
              (x[2, 0] - track["sz3", k])**2)**0.5 + x[3, 0]],
            [((x[0, 0] - track["sx4", k])**2 + (x[1, 0] - track["sy4", k])**2 +
              (x[2, 0] - track["sz4", k])**2)**0.5 + x[3, 0]],
            [((x[0, 0] - track["sx5", k])**2 + (x[1, 0] - track["sy5", k])**2 +
              (x[2, 0] - track["sz5", k])**2)**0.5 + x[3, 0]]
        ])

    Q = 1e0 * np.eye(5, 5)
    Q[3, 3] = 0
    Q[4, 4] = 1e0

    def R(k):
        P = 1e1 * np.eye(6, 6)
        if (k >= 70) and (k < 267):
            for i in range(3, 6):
                P[i, i] = 1e16
        return P

    for k in range(70, 267):
        for i in range(3, 6):
            track.setObsAnalyticalFeature("m" + str(i), k, 20000000)

    X0 = np.array([[start.X], [start.Y], [start.Z], [0], [0]])
    P0 = 1e5 * np.eye(5, 5)
    P0[3, 3] = 1e8
    P0[4, 4] = 1e6

    UKF = Kalman(spreading=1)
    UKF.setTransition(F, Q)
    UKF.setObservation(H, R)
    UKF.setInitState(X0, P0)
    UKF.summary()

    UKF.estimate(track, ["m0", "m1", "m2", "m3", "m4", "m5"],
                 mode=Dynamics.MODE_STATES_AS_3D_POSITIONS)
    track.toGeoCoords()

    KmlWriter.writeToKml(track,
                         path="couplage.kml",
                         type="POINT",
                         c1=[0, 1, 0, 1])

    track.plot('r+')
    plt.show()
Example #3
0
class TestAlgoGeometricsMethods(unittest.TestCase):

    __epsilon = 0.001

    def setUp(self):

        #----------------------------------------------------------------------
        #   4 sommets sur axes du cercle trigonométrique
        GPSTime.setReadFormat("4Y-2M-2D 2h:2m:2s")

        self.trace1 = Track()
        c1 = ENUCoords(1, 0, 0)
        p1 = Obs(c1, GPSTime.readTimestamp("2018-01-01 10:00:00"))
        self.trace1.addObs(p1)
        c2 = ENUCoords(0, 1, 0)
        p2 = Obs(c2, GPSTime.readTimestamp("2018-01-01 10:00:12"))
        self.trace1.addObs(p2)
        c3 = ENUCoords(-1, 0, 0)
        p3 = Obs(c3, GPSTime.readTimestamp("2018-01-01 10:00:40"))
        self.trace1.addObs(p3)
        c4 = ENUCoords(0, -1, 0)
        p4 = Obs(c4, GPSTime.readTimestamp("2018-01-01 10:01:50"))
        self.trace1.addObs(p4)
        self.trace1.addObs(p1)

        # ---------------------------------------------------------------------
        # Un escalier
        self.trace2 = Track()
        pm3 = Obs(ENUCoords(-2, -1),
                  GPSTime.readTimestamp('2020-01-01 09:59:44'))
        self.trace2.addObs(pm3)
        pm2 = Obs(ENUCoords(-1, -1),
                  GPSTime.readTimestamp('2020-01-01 09:59:48'))
        self.trace2.addObs(pm2)
        pm1 = Obs(ENUCoords(-1, 0),
                  GPSTime.readTimestamp('2020-01-01 09:59:55'))
        self.trace2.addObs(pm1)
        p1 = Obs(ENUCoords(0, 0), GPSTime.readTimestamp('2020-01-01 10:00:00'))
        self.trace2.addObs(p1)
        p2 = Obs(ENUCoords(0, 2), GPSTime.readTimestamp('2020-01-01 10:00:01'))
        self.trace2.addObs(p2)
        p3 = Obs(ENUCoords(1, 2), GPSTime.readTimestamp('2020-01-01 10:00:02'))
        self.trace2.addObs(p3)
        p4 = Obs(ENUCoords(1, 5), GPSTime.readTimestamp('2020-01-01 10:00:03'))
        self.trace2.addObs(p4)
        p5 = Obs(ENUCoords(2, 5), GPSTime.readTimestamp('2020-01-01 10:00:04'))
        self.trace2.addObs(p5)
        p6 = Obs(ENUCoords(2, 9), GPSTime.readTimestamp('2020-01-01 10:00:06'))
        self.trace2.addObs(p6)
        p7 = Obs(ENUCoords(3, 9), GPSTime.readTimestamp('2020-01-01 10:00:08'))
        self.trace2.addObs(p7)
        p8 = Obs(ENUCoords(3, 14),
                 GPSTime.readTimestamp('2020-01-01 10:00:10'))
        self.trace2.addObs(p8)
        p9 = Obs(ENUCoords(4, 14),
                 GPSTime.readTimestamp('2020-01-01 10:00:12'))
        self.trace2.addObs(p9)
        p10 = Obs(ENUCoords(4, 20),
                  GPSTime.readTimestamp('2020-01-01 10:00:15'))
        self.trace2.addObs(p10)

        # ---------------------------------------------------------------------
        #
        self.trace3 = Track()
        p1 = Obs(ENUCoords(0, 0), GPSTime.readTimestamp('2020-01-01 10:00:00'))
        self.trace3.addObs(p1)
        p2 = Obs(ENUCoords(1.5, 0.5),
                 GPSTime.readTimestamp('2020-01-01 10:00:00'))
        self.trace3.addObs(p2)
        p3 = Obs(ENUCoords(2, 2), GPSTime.readTimestamp('2020-01-01 10:00:00'))
        self.trace3.addObs(p3)
        p4 = Obs(ENUCoords(3.75, 0.6),
                 GPSTime.readTimestamp('2020-01-01 10:00:00'))
        self.trace3.addObs(p4)
        p5 = Obs(ENUCoords(5, 0.5),
                 GPSTime.readTimestamp('2020-01-01 10:00:00'))
        self.trace3.addObs(p5)
        p6 = Obs(ENUCoords(3.55, -0.5),
                 GPSTime.readTimestamp('2020-01-01 10:00:00'))
        self.trace3.addObs(p6)
        p7 = Obs(ENUCoords(1.8, -1.2),
                 GPSTime.readTimestamp('2020-01-01 10:00:00'))
        self.trace3.addObs(p7)
        p8 = Obs(ENUCoords(1, -3),
                 GPSTime.readTimestamp('2020-01-01 10:00:00'))
        self.trace3.addObs(p8)

    def testCircleTrigo(self):

        self.trace1.plot()

        C1 = Geometrics.minCircle(self.trace1)
        C1.plot()
        self.assertLessEqual(abs(1 - C1.radius), self.__epsilon,
                             "Rayon du cercle")
        self.assertIsInstance(C1.center, ENUCoords)
        self.assertLessEqual(abs(0 - C1.center.getX()), self.__epsilon,
                             "coord x du centre cercle")
        self.assertLessEqual(abs(0 - C1.center.getY()), self.__epsilon,
                             "coord y du centre cercle")

        C2 = Geometrics.fitCircle(self.trace1)
        C2.plot()
        self.assertLessEqual(abs(1 - C2.radius), self.__epsilon,
                             "Rayon du cercle")
        self.assertIsInstance(C2.center, ENUCoords)
        self.assertLessEqual(abs(0 - C2.center.getX()), self.__epsilon,
                             "coord x du centre cercle")
        self.assertLessEqual(abs(0 - C2.center.getY()), self.__epsilon,
                             "coord y du centre cercle")

        plt.show()

    def testCircles(self):

        self.trace2.plot()
        #plt.plot(track.getX(), track.getY(), 'b+')

        circle1 = Geometrics.fitCircle(self.trace2)
        self.assertIsInstance(circle1, Geometrics.Circle)
        self.assertLessEqual(abs(28.363 - circle1.radius), self.__epsilon,
                             "Rayon du cercle")
        self.assertIsInstance(circle1.center, ENUCoords)
        self.assertLessEqual(abs(-25.09 - circle1.center.getX()),
                             self.__epsilon, "coord x du centre cercle")
        self.assertLessEqual(abs(14.79 - circle1.center.getY()),
                             self.__epsilon, "coord y du centre cercle")
        circle1.plot()

        circle2 = Geometrics.minCircle(self.trace2)
        self.assertIsInstance(circle2, Geometrics.Circle)
        circle2.plot()

        circle3 = Geometrics.minCircleMatrix(self.trace2)
        self.assertEqual(circle3.size, 169)
        # ??

        plt.show()

    def testDiameter(self):

        D = Geometrics.diameter(self.trace1)
        A = self.trace1.getObs(D[1])
        B = self.trace1.getObs(D[2])
        self.assertEqual(D[0], 2)
        self.assertEqual(A.distanceTo(B), D[0])
        self.assertEqual(A.position.getX(), 1)
        self.assertEqual(A.position.getY(), 0)
        self.assertEqual(B.position.getX(), -1)
        self.assertEqual(B.position.getY(), 0)

        D = Geometrics.diameter(self.trace2)
        A = self.trace2.getObs(D[1])
        B = self.trace2.getObs(D[2])
        self.assertIsInstance(A, Obs)
        self.assertIsInstance(B, Obs)
        self.assertEqual(A.distanceTo(B), D[0])

    def testConvexHull(self):

        self.trace3.plot()
        T = Geometrics.convexHull(self.trace3)
        Geometrics.plotPolygon(T)
        plt.show()
        self.assertEqual(len(T), 2 * 5)
        self.assertEqual(T[0], 0)
        self.assertEqual(T[1], 0)
        self.assertEqual(T[4], 5)
        self.assertEqual(T[5], 0.5)
        self.assertEqual(T[6], 1)
        self.assertEqual(T[7], -3)

        self.trace2.plot()
        T = Geometrics.convexHull(self.trace2)
        Geometrics.plotPolygon(T)
        plt.show()

    def testminimumBoundingRectangle(self):

        self.trace3.plot()
        R = Geometrics.minimumBoundingRectangle(self.trace3)
        T = []
        for coord in R[0]:
            T.append(coord[0])
            T.append(coord[1])
        Geometrics.plotPolygon(T)

        self.assertEqual(R[1], 16.5)
        self.assertLessEqual(abs(3.104 - R[2]), self.__epsilon, "l")
        self.assertLessEqual(abs(5.315 - R[3]), self.__epsilon, "L")