コード例 #1
0
ファイル: bayless2013_test.py プロジェクト: usgs/shakemap
def test_ss3_move_hypo1():
    magnitude = 7.2
    dip = np.array([90])
    rake = 180.0
    width = np.array([15])
    rupx = np.array([0, 0])
    rupy = np.array([0, 80])
    zp = np.array([0.0])
    epix = np.array([1.0])
    epiy = np.array([-1.0])

    # Convert to lat/lon
    proj = geo.utils.get_orthographic_projection(-122, -120, 39, 37)
    tlon, tlat = proj(rupx, rupy, reverse=True)
    epilon, epilat = proj(epix, epiy, reverse=True)

    # Origin
    origin = Origin({'lat':epilat[0],
                     'lon':epilon[0],
                     'depth':-1,
                     'mag':magnitude,
                     'id':'ss3',
                     'rake':rake})

    rup = rupture.QuadRupture.fromTrace(
        np.array([tlon[0]]), np.array([tlat[0]]),
        np.array([tlon[1]]), np.array([tlat[1]]),
        zp, width, dip, origin, reference='ss3')

    x = np.linspace(0, 20, 6)
    y = np.linspace(0, 90, 11)
    site_x, site_y = np.meshgrid(x, y)
    slon, slat = proj(site_x, site_y, reverse=True)
    deps = np.zeros_like(slon)

    test1 = Bayless2013(origin, rup, slat, slon, deps, T=1.0)
    phyp = copy.deepcopy(test1.phyp[0])
    plat, plon, pdep = ecef2latlon(phyp.x, phyp.y, phyp.z)

    px, py = proj(plon, plat, reverse=False)

    np.testing.assert_allclose(plat, 38.004233219183604, rtol=1e-4)
    np.testing.assert_allclose(plon, -120.98636122402166, rtol=1e-4)
    np.testing.assert_allclose(pdep, 7.4999999989205968, rtol=1e-4)

    #---------------------------------------------------------------------------
    # Also for multiple segments
    #---------------------------------------------------------------------------
    dip = np.array([90., 90., 90.])
    rake = 180.0
    width = np.array([15., 15., 10.])
    rupx = np.array([0., 0., 10., 20.])
    rupy = np.array([0., 20., 60., 80.])
    zp = np.array([0., 0., 0.])
    epix = np.array([0.])
    epiy = np.array([0.])

    # Convert to lat/lon
    proj = geo.utils.get_orthographic_projection(-122, -120, 39, 37)
    tlon, tlat = proj(rupx, rupy, reverse=True)
    epilon, epilat = proj(epix, epiy, reverse=True)

    rup = rupture.QuadRupture.fromTrace(
        np.array(tlon[0:3]), np.array(tlat[0:3]),
        np.array(tlon[1:4]), np.array(tlat[1:4]),
        zp, width, dip, origin, reference='')

    event = {'lat': epilat[0],
             'lon': epilon[0],
             'depth': 1.0,
             'mag': magnitude,
             'id': '',
             'locstring': 'test',
             'type': 'SS',
             'timezone': 'UTC'}
    event['time'] = ShakeDateTime.utcfromtimestamp(int(time.time()))
    event['created'] = ShakeDateTime.utcfromtimestamp(int(time.time()))
    x = np.linspace(0, 20, 6)
    y = np.linspace(0, 90, 11)
    site_x, site_y = np.meshgrid(x, y)
    slon, slat = proj(site_x, site_y, reverse=True)
    deps = np.zeros_like(slon)
    origin = Origin(event)
    origin.rake = rake
    test1 = Bayless2013(origin, rup, slat, slon, deps, T=1.0)

    # 1st pseudo-hyp
    phyp = copy.deepcopy(test1.phyp[0])
    plat, plon, pdep = ecef2latlon(phyp.x, phyp.y, phyp.z)
    px, py = proj(plon, plat, reverse=False)
    np.testing.assert_allclose(plat, 38.004233219183604, rtol=1e-4)
    np.testing.assert_allclose(plon, -120.98636122402166, rtol=1e-4)
    np.testing.assert_allclose(pdep, 7.4999999989205968, rtol=1e-4)

    # 2nd pseudo-hyp
    phyp = copy.deepcopy(test1.phyp[1])
    plat, plon, pdep = ecef2latlon(phyp.x, phyp.y, phyp.z)
    px, py = proj(plon, plat, reverse=False)
    np.testing.assert_allclose(plat, 38.184097835787796, rtol=1e-4)
    np.testing.assert_allclose(plon, -120.98636122402166, rtol=1e-4)
    np.testing.assert_allclose(pdep, 7.4999999989103525, rtol=1e-4)

    # 3rd pseudo-hyp
    phyp = copy.deepcopy(test1.phyp[2])
    plat, plon, pdep = ecef2latlon(phyp.x, phyp.y, phyp.z)
    px, py = proj(plon, plat, reverse=False)
    np.testing.assert_allclose(plat, 38.543778594535752, rtol=1e-4)
    np.testing.assert_allclose(plon, -120.87137783362499, rtol=1e-4)
    np.testing.assert_allclose(pdep, 4.9999999995063993, rtol=1e-4)