def test_read_fas_model(self):
"""
"""
fass = read_fas_model(
os.path.join(DATA_DIR, 'ab06_bc.m7.50r0030.0_fs.col'))
fas = fass[0]
self.assertEqual(len(fass), 3)
self.assertEqual(fas.frequencies[0], 1.000E-02)
self.assertEqual(fas.frequencies[1], 1.207E-02)
self.assertEqual(fas.frequencies[-2], 8.286E+01)
self.assertEqual(fas.frequencies[-1], 1.000E+02)
self.assertEqual(fas.amplitudes[0], 1.03981E+02)
self.assertEqual(fas.amplitudes[1], 1.03546E+02)
self.assertEqual(fas.amplitudes[-2], 9.67976E-07)
self.assertEqual(fas.amplitudes[-1], 2.09392E-07)
self.assertEqual(fas.unit, 'cm')
def test(self):
"""
"""
tgt_fas = read_fas_model(os.path.join(DATA_DIR, 'ab06_bc.m7.50r0030.0_fs.col'))[0]
frequencies = tgt_fas.frequencies
mag = 7.5
sd = 250 * 10**5 ## magnitude independent stress drop (Pa)
rp = 0.55 ## radiation patttern
pf = 1 / np.sqrt(2) ## partition factor
fsf = 2 ## free surface factor
rho = 2800 ## density (kg/m3)
vel = 3700 ## shear wave velocity (m/s)
source_model = OmegaSquareSourceModel(mag, sd, rp, pf, fsf, rho, vel)
source_model_fas = source_model.get_fas(frequencies)
gs_segments = [
(1, -1.3),
(70, 0.2),
(140, -0.5)
]
gs_model = GeometricalSpreadingModel(gs_segments)
qr1 = 1000
ft1 = 0.2
fr1 = 0.02
s1 = 0.0
qr2 = 1272
ft2 = 1.4242
fr2 = 3.02
s2 = 0.32
q_model = QModel(fr1, qr1, s1, ft1, ft2, fr2, qr2, s2)
c_q = 3.7
kappa = 0.02 ## fm is zero and kappa is magnitude independent
att_model = AttenuationModel(q_model, c_q, kappa)
distance = 30
se = np.array([
(0.0001, 1.000),
(0.1014, 1.073),
(0.2402, 1.145),
(0.4468, 1.237),
(0.7865, 1.394),
(1.3840, 1.672),
(1.9260, 1.884),
(2.8530, 2.079),
(4.0260, 2.202),
(6.3410, 2.313),
(12.540, 2.411),
(21.230, 2.452),
(33.390, 2.474),
(82.000, 2.497),
])
site = Site(se)
cal_fas = source_model_fas * gs_model(distance) * att_model(distance, frequencies) * site(frequencies)
unit = 'm'
self.assertListEqual(
[round_to_significant(float(x), 2) for x in tgt_fas.get_amplitudes(unit=unit)],
[round_to_significant(float(x), 2) for x in cal_fas.get_amplitudes(unit=unit)])
