def test_get_paz(self):
"""
Test for the Client.get_paz function.
As reference the EHZ channel of MANZ is taken, the result is compared
to the entries of the local response file of the Bavarian network.
"""
# reference values
zeros = [0j, 0j]
poles = [
-3.700400e-02 + 3.701600e-02j, -3.700400e-02 - 3.701600e-02j,
-2.513300e+02 + 0.000000e+00j, -1.310400e+02 - 4.672900e+02j,
-1.310400e+02 + 4.672900e+02j
]
normalization_factor = 6.0077e+07
sensitivity = 2.5168e+09
# initialize client
client = Client('*****@*****.**',
host='erde.geophysik.uni-muenchen.de',
port=18001)
# fetch poles and zeros
dt = UTCDateTime(2009, 1, 1)
paz = client.get_paz('BW', 'MANZ', '', 'EHZ', dt)
# compare instrument
self.assertEqual(normalization_factor, paz.normalization_factor)
self.assertEqual(poles, paz.poles)
self.assertEqual(zeros, paz.zeros)
self.assertAlmostEqual(sensitivity / 1e9, paz.sensitivity / 1e9, 4)
# PAZ over multiple channels should raise an exception
self.assertRaises(ArcLinkException, client.get_paz, 'BW', 'MANZ', '',
'EH*', dt)
def test_getPAZ(self):
"""
Test for the Client.get_paz function.
As reference the EHZ channel of MANZ is taken, the result is compared
to the entries of the local response file of the Bavarian network.
"""
# reference values
zeros = [0j, 0j]
poles = [
-3.700400e-02 + 3.701600e-02j,
-3.700400e-02 - 3.701600e-02j,
-2.513300e02 + 0.000000e00j,
-1.310400e02 - 4.672900e02j,
-1.310400e02 + 4.672900e02j,
]
normalization_factor = 6.0077e07
sensitivity = 2.5168e09
# initialize client
client = Client("erde.geophysik.uni-muenchen.de", 18001, user="******")
# fetch poles and zeros
dt = UTCDateTime(2009, 1, 1)
paz = client.get_paz("BW", "MANZ", "", "EHZ", dt)
# compare instrument
self.assertEqual(normalization_factor, paz.normalization_factor)
self.assertEqual(poles, paz.poles)
self.assertEqual(zeros, paz.zeros)
self.assertAlmostEqual(sensitivity / 1e9, paz.sensitivity / 1e9, 4)
# PAZ over multiple channels should raise an exception
self.assertRaises(ArcLinkException, client.get_paz, "BW", "MANZ", "", "EH*", dt)
def test_getPAZ2(self):
"""
Test for the Client.get_paz function for
erde.geophysik.uni-muenchen.de.
"""
poles = [-3.700400e-02 + 3.701600e-02j, -3.700400e-02 - 3.701600e-02j]
dt = UTCDateTime(2009, 1, 1)
client = Client("erde.geophysik.uni-muenchen.de", 18001, user="******")
# fetch poles and zeros
paz = client.get_paz("BW", "MANZ", "", "EHZ", dt)
self.assertEqual(len(poles), 2)
self.assertEqual(poles, paz["poles"][:2])
def test_get_paz2(self):
"""
Test for the Client.get_paz function for
erde.geophysik.uni-muenchen.de.
"""
poles = [-3.700400e-02 + 3.701600e-02j, -3.700400e-02 - 3.701600e-02j]
dt = UTCDateTime(2009, 1, 1)
client = Client('*****@*****.**',
host='erde.geophysik.uni-muenchen.de', port=18001)
# fetch poles and zeros
paz = client.get_paz('BW', 'MANZ', '', 'EHZ', dt)
self.assertEqual(len(poles), 2)
self.assertEqual(poles, paz['poles'][:2])
def test_get_paz2(self):
"""
Test for the Client.get_paz function for
erde.geophysik.uni-muenchen.de.
"""
poles = [-3.700400e-02 + 3.701600e-02j, -3.700400e-02 - 3.701600e-02j]
dt = UTCDateTime(2009, 1, 1)
client = Client('*****@*****.**',
host='erde.geophysik.uni-muenchen.de', port=18001)
# fetch poles and zeros
paz = client.get_paz('BW', 'MANZ', '', 'EHZ', dt)
self.assertEqual(len(poles), 2)
self.assertEqual(poles, paz['poles'][:2])
def test_srl(self):
"""
Tests if example in ObsPy paper submitted to the Electronic
Seismologist section of SRL is still working. The test shouldn't be
changed because the reference gets wrong.
"""
paz = {
'gain':
60077000.0,
'poles': [(-0.037004000000000002 + 0.037016j),
(-0.037004000000000002 - 0.037016j),
(-251.33000000000001 + 0j),
(-131.03999999999999 - 467.29000000000002j),
(-131.03999999999999 + 467.29000000000002j)],
'sensitivity':
2516800000.0,
'zeros': [0j, 0j]
}
dat1 = np.array([288, 300, 292, 285, 265, 287, 279, 250, 278, 278])
dat2 = np.array([445, 432, 425, 400, 397, 471, 426, 390, 450, 442])
# Retrieve data via ArcLink
client = Client('*****@*****.**', host='webdc.eu', port=18001)
t = UTCDateTime("2009-08-24 00:20:03")
st = client.get_waveforms("BW", "RJOB", "", "EHZ", t, t + 30)
# original but deprecated call
# poles_zeros = list(client.get_paz("BW", "RJOB", "", "EHZ",
# t, t+30).values())[0]
poles_zeros = client.get_paz("BW", "RJOB", "", "EHZ", t)
self.assertEqual(paz['gain'], poles_zeros['gain'])
self.assertEqual(paz['poles'], poles_zeros['poles'])
self.assertEqual(paz['sensitivity'], poles_zeros['sensitivity'])
self.assertEqual(paz['zeros'], poles_zeros['zeros'])
self.assertEqual('BW', st[0].stats['network'])
self.assertEqual('RJOB', st[0].stats['station'])
self.assertEqual(200.0, st[0].stats['sampling_rate'])
self.assertEqual(6001, st[0].stats['npts'])
self.assertEqual('2009-08-24T00:20:03.000000Z',
str(st[0].stats['starttime']))
np.testing.assert_array_equal(dat1, st[0].data[:10])
np.testing.assert_array_equal(dat2, st[0].data[-10:])
def test_SRL(self):
"""
Tests if example in ObsPy paper submitted to the Electronic
Seismologist section of SRL is still working. The test shouldn't be
changed because the reference gets wrong.
"""
paz = {
"gain": 60077000.0,
"poles": [
(-0.037004000000000002 + 0.037016j),
(-0.037004000000000002 - 0.037016j),
(-251.33000000000001 + 0j),
(-131.03999999999999 - 467.29000000000002j),
(-131.03999999999999 + 467.29000000000002j),
],
"sensitivity": 2516800000.0,
"zeros": [0j, 0j],
}
dat1 = np.array([288, 300, 292, 285, 265, 287, 279, 250, 278, 278])
dat2 = np.array([445, 432, 425, 400, 397, 471, 426, 390, 450, 442])
# Retrieve data via ArcLink
client = Client(host="webdc.eu", port=18001, user="******")
t = UTCDateTime("2009-08-24 00:20:03")
st = client.get_waveforms("BW", "RJOB", "", "EHZ", t, t + 30)
# original but deprecated call
# poles_zeros = list(client.get_paz("BW", "RJOB", "", "EHZ",
# t, t+30).values())[0]
poles_zeros = client.get_paz("BW", "RJOB", "", "EHZ", t)
self.assertEqual(paz["gain"], poles_zeros["gain"])
self.assertEqual(paz["poles"], poles_zeros["poles"])
self.assertEqual(paz["sensitivity"], poles_zeros["sensitivity"])
self.assertEqual(paz["zeros"], poles_zeros["zeros"])
self.assertEqual("BW", st[0].stats["network"])
self.assertEqual("RJOB", st[0].stats["station"])
self.assertEqual(200.0, st[0].stats["sampling_rate"])
self.assertEqual(6001, st[0].stats["npts"])
self.assertEqual("2009-08-24T00:20:03.000000Z", str(st[0].stats["starttime"]))
np.testing.assert_array_equal(dat1, st[0].data[:10])
np.testing.assert_array_equal(dat2, st[0].data[-10:])
import numpy as np
import matplotlib.pyplot as plt
import obspy
from obspy.clients.arclink import Client
from obspy.signal.invsim import corn_freq_2_paz, simulate_seismometer
# Retrieve data via ArcLink
# please provide a valid email address for the keyword user
client = Client(user="******")
t = obspy.UTCDateTime("2009-08-24 00:20:03")
st = client.get_waveforms('BW', 'RJOB', '', 'EHZ', t, t + 30)
paz = client.get_paz('BW', 'RJOB', '', 'EHZ', t)
# 1Hz instrument
one_hertz = corn_freq_2_paz(1.0)
# Correct for frequency response of the instrument
res = simulate_seismometer(st[0].data.astype('float32'),
st[0].stats.sampling_rate, paz, inst_sim=one_hertz)
# Correct for overall sensitivity
res = res / paz['sensitivity']
# Plot the seismograms
sec = np.arange(len(res)) / st[0].stats.sampling_rate
plt.subplot(211)
plt.plot(sec, st[0].data, 'k')
plt.title("%s %s" % (st[0].stats.station, t))
plt.ylabel('STS-2')
plt.subplot(212)
plt.plot(sec, res, 'k')
from math import log10
from obspy.clients.arclink import Client
from obspy import UTCDateTime, read
from obspy.geodetics import gps2dist_azimuth
st = read("../data/LKBD.MSEED")
paz_wa = {'sensitivity': 2800, 'zeros': [0j], 'gain': 1,
'poles': [-6.2832 - 4.7124j, -6.2832 + 4.7124j]}
client = Client(user="******")
t = st[0].stats.starttime
paz_le3d5s = client.get_paz("CH", "LKBD", "", "EHZ", t)
st.simulate(paz_remove=paz_le3d5s, paz_simulate=paz_wa, water_level=10)
t = UTCDateTime("2012-04-03T02:45:03")
st.trim(t, t + 50)
tr_n = st.select(component="N")[0]
ampl_n = max(abs(tr_n.data))
tr_e = st.select(component="E")[0]
ampl_e = max(abs(tr_e.data))
ampl = max(ampl_n, ampl_e)
sta_lat = 46.38703
sta_lon = 7.62714
event_lat = 46.218
from obspy.clients.arclink import Client
from obspy import UTCDateTime, read
from obspy.geodetics import gps2dist_azimuth
st = read("../data/LKBD.MSEED")
paz_wa = {
'sensitivity': 2800,
'zeros': [0j],
'gain': 1,
'poles': [-6.2832 - 4.7124j, -6.2832 + 4.7124j]
}
client = Client(user="******")
t = st[0].stats.starttime
paz_le3d5s = client.get_paz("CH", "LKBD", "", "EHZ", t)
st.simulate(paz_remove=paz_le3d5s, paz_simulate=paz_wa, water_level=10)
t = UTCDateTime("2012-04-03T02:45:03")
st.trim(t, t + 50)
tr_n = st.select(component="N")[0]
ampl_n = max(abs(tr_n.data))
tr_e = st.select(component="E")[0]
ampl_e = max(abs(tr_e.data))
ampl = max(ampl_n, ampl_e)
sta_lat = 46.38703
sta_lon = 7.62714
event_lat = 46.218
import numpy as np
import matplotlib.pyplot as plt
import obspy
from obspy.clients.arclink import Client
from obspy.signal.invsim import corn_freq_2_paz, simulate_seismometer
# Retrieve data via ArcLink
# please provide a valid email address for the keyword user
client = Client(user="******")
t = obspy.UTCDateTime("2009-08-24 00:20:03")
st = client.get_waveforms('BW', 'RJOB', '', 'EHZ', t, t + 30)
paz = client.get_paz('BW', 'RJOB', '', 'EHZ', t)
# 1Hz instrument
one_hertz = corn_freq_2_paz(1.0)
# Correct for frequency response of the instrument
res = simulate_seismometer(st[0].data.astype('float32'),
st[0].stats.sampling_rate,
paz,
inst_sim=one_hertz)
# Correct for overall sensitivity
res = res / paz['sensitivity']
# Plot the seismograms
sec = np.arange(len(res)) / st[0].stats.sampling_rate
plt.subplot(211)
plt.plot(sec, st[0].data, 'k')
plt.title("%s %s" % (st[0].stats.station, t))
plt.ylabel('STS-2')
plt.subplot(212)
