def PS_AR_Picker(st, flag, lower_F, upper_F):
upper_F = float(upper_F)
group_size = int(len(st)/6) #amount of stations in each group ...
#(EW1, EW2 etc..)
half_group = int(len(st)/2)
st.taper(max_percentage=0.1)
st.filter(
'bandpass', freqmin = lower_F, freqmax=upper_F, corners=2, zerophase=True)
if flag == 'Downhole':
for i in range(0, group_size):
tr1 = st[i]
tr2 = st[i+group_size]
tr3 = st[i+group_size*2]
df = tr1.stats.sampling_rate
p_pick, s_pick = ar_pick(
tr1.data, tr2.data, tr3.data, df, 1.0, 20.0, 1.0, 0.1, 4.0, 1.0, 2, 8, 0.1, 0.2)
print('{}s {}s from station {}' .format(p_pick, s_pick, i+1))
if flag == 'Surface':
for i in range(0, group_size):
tr1 = st[i]
tr2 = st[half_group+i+group_size]
tr3 = st[half_group+i+group_size*2]
df = tr1.stats.sampling_rate
p_pick, s_pick = ar_pick(
tr1.data, tr2.data, tr3.data, df, 1.0, 20.0, 1.0, 0.1, 4.0, 1.0, 2, 8, 0.1, 0.2)
print('{} s {} s from {}' .format(p_pick, s_pick, i+half_group+1))
def test_ar_pick(self):
"""
Test ar_pick against implementation for UNESCO short course
"""
data = []
for channel in ['z', 'n', 'e']:
file = os.path.join(self.path,
'loc_RJOB20050801145719850.' + channel)
data.append(np.loadtxt(file, dtype=np.float32))
# some default arguments
samp_rate, f1, f2, lta_p, sta_p, lta_s, sta_s, m_p, m_s, l_p, l_s = \
200.0, 1.0, 20.0, 1.0, 0.1, 4.0, 1.0, 2, 8, 0.1, 0.2
ptime, stime = ar_pick(data[0], data[1], data[2], samp_rate, f1, f2,
lta_p, sta_p, lta_s, sta_s, m_p, m_s, l_p, l_s)
self.assertAlmostEqual(ptime, 30.6350002289)
# seems to be strongly machine dependent, go for int for 64 bit
# self.assertEqual(int(stime + 0.5), 31)
self.assertAlmostEqual(stime, 31.165, delta=0.05)
# All three arrays must have the same length, otherwise an error is
# raised.
with self.assertRaises(ValueError) as err:
ar_pick(data[0], data[1], np.zeros(1), samp_rate, f1, f2, lta_p,
sta_p, lta_s, sta_s, m_p, m_s, l_p, l_s)
self.assertEqual(err.exception.args[0],
"All three data arrays must have the same length.")
def test_ar_pick(self):
"""
Test ar_pick against implementation for UNESCO short course
"""
data = []
for channel in ['z', 'n', 'e']:
file = os.path.join(self.path,
'loc_RJOB20050801145719850.' + channel)
data.append(np.loadtxt(file, dtype=np.float32))
# some default arguments
samp_rate, f1, f2, lta_p, sta_p, lta_s, sta_s, m_p, m_s, l_p, l_s = \
200.0, 1.0, 20.0, 1.0, 0.1, 4.0, 1.0, 2, 8, 0.1, 0.2
ptime, stime = ar_pick(data[0], data[1], data[2], samp_rate, f1, f2,
lta_p, sta_p, lta_s, sta_s, m_p, m_s, l_p, l_s)
self.assertAlmostEqual(ptime, 30.6350002289)
# seems to be strongly machine dependent, go for int for 64 bit
# self.assertEqual(int(stime + 0.5), 31)
self.assertAlmostEqual(stime, 31.165, delta=0.05)
# All three arrays must have the same length, otherwise an error is
# raised.
with self.assertRaises(ValueError) as err:
ar_pick(data[0], data[1], np.zeros(1), samp_rate, f1, f2, lta_p,
sta_p, lta_s, sta_s, m_p, m_s, l_p, l_s)
self.assertEqual(err.exception.args[0],
"All three data arrays must have the same length.")
def predictinput(sacfile, algo):
#print(input_path)
bhnfile = read("/home/shilpa/Desktop/earthquakeproject/files/" + sacfile)
bhn_tr = bhnfile[0]
df = bhn_tr.stats.sampling_rate
bhn_trigger = recursive_sta_lta(bhn_tr.data, int(5 * df), int(10 * df))
bhnonoff = trigger_onset(bhn_trigger, 1.2, 0.5)
p_pick, s_pick = ar_pick(bhnfile[0].data, bhnfile[0].data, bhnfile[0].data,
df, 1.0, 20.0, 1.0, 0.1, 4.0, 1.0, 2, 8, 0.1, 0.2)
data = []
temp = []
temp.append(200)
temp.append(p_pick)
temp.append(s_pick)
temp.append(int(bhnonoff[0][1]) - int(bhnonoff[0][0]))
data.append(temp)
print(data)
if algo == "decisiontree":
prediction = d_model.predict(data)
elif algo == "randomforest":
prediction = r_model.predict(data)
elif algo == "svm":
prediction = r_model.predict(data)
result = " "
if (prediction[0] == 1):
result = "an Earthquake"
else:
result = "No Earthquake"
return result
def save_velocity_data(inflie):
try:
st = unpack(inflie)
my_st = st.copy()
my_st.integrate()
my_st.filter("highpass", freq=0.075)
p_pick, s_pick = ar_pick(my_st[0].data, my_st[1].data, my_st[2].data,
my_st[0].stats.sampling_rate, 1.0, 20.0, 1.0,
0.1, 4.0, 1.0, 2, 8, 0.1, 0.2)
p_arrival = int(p_pick * 100)
# print(p_arrival)
snr = get_snr(my_st, p_arrival)
pgv, intensity = calc_pgv_intensity(my_st)
inflie = inflie.split('/')[-1]
outname = "_".join([
inflie[:-4], my_st[0].stats.station,
str(intensity),
str(pgv),
str(snr)
])
plot_vel_waveform(my_st, p_arrival, outname)
sample = 100
E, N, Z = get_p_arrival_data(my_st, p_arrival, sample, outname)
if not os.path.exists("vel_joblib"):
os.makedirs("vel_joblib")
outname = "vel_joblib/" + outname + ".joblib"
joblib.dump([snr, pgv, intensity, E, N, Z], outname)
except Exception as e:
print(e)
def predict(dtfl, ev_list, dataOperator):
for c, evi in enumerate(ev_list):
try:
if c % 1000 == 0:
print(c)
dataset = dtfl.get('data/'+str(evi))
data = np.array(dataset)
pre_E = trigger_onset(recursive_sta_lta(
data[:, 0], config['sta_window'], config['lta_window']), config['on_trigger'], config['off_trigger'])
pre_N = trigger_onset(recursive_sta_lta(
data[:, 1], config['sta_window'], config['lta_window']), config['on_trigger'], config['off_trigger'])
# pre_Z = trigger_onset(recursive_sta_lta(
# data[:, 2], config['sta_window'], config['lta_window']), config['on_trigger'], config['off_trigger'])
N_end_time, E_end_time = 6000, 6000
if len(pre_E) == 0 and len(pre_N) == 0:
dataOperator.data_writer(dataset.attrs['trace_name'], dataset.attrs['p_arrival_sample'],
dataset.attrs['s_arrival_sample'], dataset.attrs['coda_end_sample'],
-1, -1, -1, dataset.attrs['trace_category'], "noise")
continue
if dataset.attrs['trace_category'] == 'noise':
dataOperator.data_writer(dataset.attrs['trace_name'], dataset.attrs['p_arrival_sample'],
dataset.attrs['s_arrival_sample'], dataset.attrs['coda_end_sample'],
-1, -1, -1, dataset.attrs['trace_category'], "earthquake_local")
continue
if len(pre_E):
E_end_time = pre_E[-1][1]
if len(pre_N):
N_end_time = pre_N[-1][1]
end_time = (E_end_time + N_end_time) / 2
p_pick, s_pick = ar_pick(data[:, 0], data[:, 1], data[:, 2], 100,
1.0, 20.0, 1.0, 0.1, 4.0, 1.0, 2, 8, 0.1, 0.2)
p_pick, s_pick = p_pick*100, s_pick*100
# y_true = [float(dataset.attrs['p_arrival_sample']),
# float(dataset.attrs['s_arrival_sample']), float(dataset.attrs['coda_end_sample'][0][0])]
# y_pred = [p_pick, s_pick, end_time]
# p_true = np.zeros(shape=(6000,))
# p_true[p_pick-20:p_pick+21] = 1
# a = np.array(y_true)
# b = np.array(y_pred)
# print(a * b)
# break
dataOperator.data_writer(dataset.attrs['trace_name'], dataset.attrs['p_arrival_sample'],
dataset.attrs['s_arrival_sample'], dataset.attrs['coda_end_sample'],
int(p_pick), int(s_pick), int(end_time), dataset.attrs['trace_category'], "earthquake_local")
except:
continue
return
def _doubleChecking(station_list, detections, preprocessed_dir, moving_window, thr_on=3.7, thr_of=0.5):
'this function perform traditional detection (STA/LTA) and picker (AIC) to double check for events on the remaining stations when an event has been detected on more than two stations'
for stt in station_list:
sttt = stt.split('_')[0]
# print(sttt)
if sttt not in detections['station'].to_list():
new_picks = {}
if platform.system() == 'Windows':
file_name = preprocessed_dir+"\\"+sttt+".hdf5"
file_csv = preprocessed_dir+"\\"+sttt+".csv"
else:
file_name = preprocessed_dir+"/"+sttt+".hdf5"
file_csv = preprocessed_dir+"/"+sttt+".csv"
df = pd.read_csv(file_csv)
df['start_time'] = pd.to_datetime(df['start_time'])
mask = (df['start_time'] > detections.iloc[0]['event_start_time']-timedelta(seconds = moving_window)) & (df['start_time'] < detections.iloc[0]['event_start_time']+timedelta(seconds = moving_window))
df = df.loc[mask]
dtfl = h5py.File(file_name, 'r')
dataset = dtfl.get('data/'+df['trace_name'].to_list()[0])
data = np.array(dataset)
cft = recursive_sta_lta(data[:,2], int(2.5 * 100), int(10. * 100))
on_of = trigger_onset(cft, thr_on, thr_of)
if len(on_of) >= 1:
p_pick, s_pick = ar_pick(data[:,2], data[:,1], data[:,0], 100, 1.0, 20.0, 1.0, 0.1, 4.0, 1.0, 2, 8, 0.1, 0.2)
if (on_of[0][1]+100)/100 > p_pick > (on_of[0][0]-100)/100:
# print('got one')
new_picks['traceID'] = df['trace_name'].to_list()[0]
new_picks['network'] = dataset.attrs["network_code"]
new_picks['station'] = sttt
new_picks['instrument_type'] = df['trace_name'].to_list()[0].split('_')[2]
new_picks['stlat'] = round(dataset.attrs["receiver_latitude"], 4)
new_picks['stlon'] = round(dataset.attrs["receiver_longitude"], 4)
new_picks['stelv'] = round(dataset.attrs["receiver_elevation_m"], 2)
new_picks['event_start_time'] = datetime.strptime(str(UTCDateTime(dataset.attrs['trace_start_time'].replace(' ', 'T')+'Z')+(on_of[0][0]/100)).replace('T', ' ').replace('Z', ''), '%Y-%m-%d %H:%M:%S.%f')
new_picks['event_end_time'] = datetime.strptime(str(UTCDateTime(dataset.attrs['trace_start_time'].replace(' ', 'T')+'Z')+(on_of[0][1]/100)).replace('T', ' ').replace('Z', ''), '%Y-%m-%d %H:%M:%S.%f')
new_picks['detection_prob'] = 0.3
new_picks['detection_unc'] = 0.6
new_picks['p_arrival_time'] = datetime.strptime(str(UTCDateTime(dataset.attrs['trace_start_time'].replace(' ', 'T')+'Z')+p_pick).replace('T', ' ').replace('Z', ''), '%Y-%m-%d %H:%M:%S.%f')
new_picks['p_prob'] = 0.3
new_picks['p_unc'] = 0.6
new_picks['p_snr'] = None
new_picks['s_arrival_time'] = None
new_picks['s_prob'] = 0.0
new_picks['s_unc'] = None
new_picks['s_snr'] = None
new_picks['amp'] = None
detections = detections.append(new_picks , ignore_index=True)
return detections
def test_ar_pick(self):
"""
Test ar_pick against implementation for UNESCO short course
"""
data = []
for channel in ['z', 'n', 'e']:
file = os.path.join(self.path,
'loc_RJOB20050801145719850.' + channel)
data.append(np.loadtxt(file, dtype=np.float32))
# some default arguments
samp_rate, f1, f2, lta_p, sta_p, lta_s, sta_s, m_p, m_s, l_p, l_s = \
200.0, 1.0, 20.0, 1.0, 0.1, 4.0, 1.0, 2, 8, 0.1, 0.2
ptime, stime = ar_pick(data[0], data[1], data[2], samp_rate, f1, f2,
lta_p, sta_p, lta_s, sta_s, m_p, m_s, l_p, l_s)
self.assertAlmostEqual(ptime, 30.6350002289)
# seems to be strongly machine dependent, go for int for 64 bit
# self.assertAlmostEqual(stime, 31.2800006866)
self.assertEqual(int(stime + 0.5), 31)
def pick_ar(stream, picker_config=None, config=None):
"""Wrapper around the AR P-phase picker.
Args:
stream (StationStream):
Stream containing waveforms that need to be picked.
picker_config (dict):
Dictionary with parameters for AR P-phase picker. See picker.yml.
config (dict):
Configuration dictionary. Key value here is:
windows:
window_checks:
min_noise_duration
Returns:
tuple:
- Best estimate for p-wave arrival time (s since start of trace).
- Mean signal to noise ratio based on the pick.
"""
if picker_config is None:
picker_config = get_config(section='pickers')
if config is None:
config = get_config()
min_noise_dur = config['windows']['window_checks']['min_noise_duration']
params = picker_config['ar']
# Get the east, north, and vertical components from the stream
st_e = stream.select(channel='??[E1]')
st_n = stream.select(channel='??[N2]')
st_z = stream.select(channel='??[Z3]')
# Check if we found one of each component
# If not, use the next picker in the order of preference
if len(st_e) != 1 or len(st_n) != 1 or len(st_z) != 1:
raise BaseException('Unable to perform AR picker.')
minloc = ar_pick(st_z[0].data, st_n[0].data, st_e[0].data,
st_z[0].stats.sampling_rate,
**params)[0]
if minloc < min_noise_dur:
fmt = 'Noise window (%.1f s) less than minimum (%.1f)'
tpl = (minloc, min_noise_dur)
raise ValueError(fmt % tpl)
mean_snr = calc_snr(stream, minloc)
return (minloc, mean_snr)
def pick_ar(stream, picker_config=None, config=None):
"""Wrapper around the AR P-phase picker.
Args:
stream (StationStream):
Stream containing waveforms that need to be picked.
picker_config (dict):
Dictionary with parameters for AR P-phase picker. See picker.yml.
config (dict):
Configuration dictionary. Key value here is:
windows:
window_checks:
min_noise_duration
Returns:
tuple:
- Best estimate for p-wave arrival time (s since start of trace).
- Mean signal to noise ratio based on the pick.
"""
if picker_config is None:
picker_config = get_config(section='pickers')
if config is None:
config = get_config()
min_noise_dur = config['windows']['window_checks']['min_noise_duration']
params = picker_config['ar']
# Get the east, north, and vertical components from the stream
st_e = stream.select(channel='??[E1]')
st_n = stream.select(channel='??[N2]')
st_z = stream.select(channel='??[Z3]')
# Check if we found one of each component
# If not, use the next picker in the order of preference
if len(st_e) != 1 or len(st_n) != 1 or len(st_z) != 1:
raise GMProcessException('Unable to perform AR picker.')
minloc = ar_pick(st_z[0].data, st_n[0].data, st_e[0].data,
st_z[0].stats.sampling_rate,
**params)[0]
if minloc < min_noise_dur:
fmt = 'Noise window (%.1f s) less than minimum (%.1f)'
tpl = (minloc, min_noise_dur)
raise GMProcessException(fmt % tpl)
mean_snr = calc_snr(stream, minloc)
return (minloc, mean_snr)
def test_ar_pick_low_amplitude(self):
"""
Test ar_pick with low amplitude data
"""
data = []
for channel in ['z', 'n', 'e']:
file = os.path.join(self.path,
'loc_RJOB20050801145719850.' + channel)
data.append(np.loadtxt(file, dtype=np.float32))
# articially reduce signal amplitude
for d in data:
d /= 10.0 * d.max()
# some default arguments
samp_rate, f1, f2, lta_p, sta_p, lta_s, sta_s, m_p, m_s, l_p, l_s = \
200.0, 1.0, 20.0, 1.0, 0.1, 4.0, 1.0, 2, 8, 0.1, 0.2
ptime, stime = ar_pick(data[0], data[1], data[2], samp_rate, f1, f2,
lta_p, sta_p, lta_s, sta_s, m_p, m_s, l_p, l_s)
self.assertAlmostEqual(ptime, 30.6350002289)
# seems to be strongly machine dependent, go for int for 64 bit
# self.assertAlmostEqual(stime, 31.2800006866)
self.assertEqual(int(stime + 0.5), 31)
def test_ar_pick_low_amplitude(self):
"""
Test ar_pick with low amplitude data
"""
data = []
for channel in ['z', 'n', 'e']:
file = os.path.join(self.path,
'loc_RJOB20050801145719850.' + channel)
data.append(np.loadtxt(file, dtype=np.float32))
# articially reduce signal amplitude
for d in data:
d /= 10.0 * d.max()
# some default arguments
samp_rate, f1, f2, lta_p, sta_p, lta_s, sta_s, m_p, m_s, l_p, l_s = \
200.0, 1.0, 20.0, 1.0, 0.1, 4.0, 1.0, 2, 8, 0.1, 0.2
ptime, stime = ar_pick(data[0], data[1], data[2], samp_rate, f1, f2,
lta_p, sta_p, lta_s, sta_s, m_p, m_s, l_p, l_s)
self.assertAlmostEqual(ptime, 30.6350002289)
# seems to be strongly machine dependent, go for int for 64 bit
# self.assertAlmostEqual(stime, 31.2800006866)
self.assertEqual(int(stime + 0.5), 31)
def AR_AIC(self, dataset, batch_size=100):
"""
AR_AIC method
:param dataset: Dataset name.
:param batch_size: Model directory name.
:return:
"""
dataset_path, eval_path = self.get_eval_dir(dataset)
dataset = seisnn.io.read_dataset(dataset)
data_len = self.get_dataset_length(self.database)
progbar = tf.keras.utils.Progbar(data_len)
df = 100
n = 0
for val in dataset.prefetch(100).batch(batch_size):
progbar.add(batch_size)
title = f"eval_{n:0>5}"
trace_len = val['trace'].shape[2]
batch_len = val['trace'].shape[0]
for i in range(batch_len):
x_z = val['trace'].numpy()[i, :, :, 0]
x_n = val['trace'].numpy()[i, :, :, 1]
x_e = val['trace'].numpy()[i, :, :, 2]
p_pick, s_pick = ar_pick(a=x_z,
b=x_n,
c=x_e,
samp_rate=df,
f1=1.0,
f2=45,
lta_p=2,
sta_p=0.3,
lta_s=2,
sta_s=0.3,
m_p=2,
m_s=8,
l_p=0.1,
l_s=0.2)
for sta in trigger['stations']:
st_trig = st_cp.select(station=sta).copy()
# Limiting time span for picking
st_trig = st_trig.trim(t-30, t+120)
for trc in st_trig:
start = trc.stats.starttime
sta = trc.stats.station
loc = trc.stats.location
chn = trc.stats.channel
inst = trc.stats.sac.kinst.replace(" ", "_")
createFolder('../event/%s'%(start.strftime('%Y.%m.%d.%H.%M.%S')))
trc.write('../event/%s/%s.%s.%s.%s.R.sac'%(start.strftime('%Y.%m.%d.%H.%M.%S'),start.strftime('%Y.%m.%d.%H.%M.%S'),sta,loc,chn), format='SAC')
st_trig.detrend(type='demean')
pick = ar_pick(st_trig[2], st_trig[1], st_trig[0], df, 1, 20, 1, 0.1, 4, 1, 2, 8, 0.1, 0.35)
# Frequency of the lower bandpass window = 1
# Frequency of the upper bandpass window = 20
# Length of LTA for the P arrival in seconds = 1s
# Length of STA for the P arrival in seconds = 0.1s
# Length of LTA for the S arrival in seconds = 4s
# Length of STA for the S arrival in seconds = 1 s
# Number of AR coefficients for the P arrival = 2
# Number of AR coefficients for the S arrival = 8
# Length of variance window for the P arrival in seconds = 0.1
# Length of variance window for the S arrival in seconds = 0.2
pick_P = st_trig[2].stats.starttime + pick[0]
pick_S = st_trig[2].stats.starttime + pick[1]
# Calculate maximum amplitude for P phase from Z component only, trim waveform from pick P and next 0.5 second
ampl_P = max(abs(st_trig[2].copy().trim(pick_P, pick_P + 0.5).data))
def signal_split(st,
event_time=None,
event_lon=None,
event_lat=None,
method='velocity',
vsplit=7.0,
picker_config=None):
"""
This method tries to identifies the boundary between the noise and signal
for the waveform. The split time is placed inside the
'processing_parameters' key of the trace stats.
If split_method is 'velocity', then the split between the noise and signal
window is approximated as the arrival time of a phase with velocity equal
to vsplit.
If split_method is equal to 'p_arrival', then the P-wave arrival is
used as the split between the noise and signal windows. Multiple picker
methods are suppored and can be configured in the config file
'~/.gmprocess/picker.yml
Args:
st (StationStream):
Stream of data.
event_time (UTCDateTime):
Event origin time.
event_lon (float):
Event longitude.
event_lat (float):
Event latitude.
method (str):
Method for splitting noise and signal windows. Either 'p_arrival'
or 'velocity'.
vsplit (float):
Velocity (km/s) for splitting noise and signal.
Returns:
trace with stats dict updated to include a
stats['processing_parameters']['signal_split'] dictionary.
"""
if picker_config is None:
picker_config = get_config(picker=True)
if method == 'p_arrival':
preferred_picker = picker_config['order_of_preference'][0]
if preferred_picker == 'ar':
# Get the east, north, and vertical components from the stream
st_e = st.select(channel='??[E1]')
st_n = st.select(channel='??[N2]')
st_z = st.select(channel='??[Z3]')
# Check if we found one of each component
# If not, use the next picker in the order of preference
if len(st_e) != 1 or len(st_n) != 1 or len(st_z) != 1:
logging.warning('Unable to perform AR picker.')
logging.warning('Using next available phase picker.')
preferred_picker = picker_config['order_of_preference'][1]
else:
tdiff = ar_pick(st_z[0].data, st_n[0].data, st_e[0].data,
st_z[0].stats.sampling_rate,
**picker_config['ar'])[0]
tsplit = st[0].stats.starttime + tdiff
if preferred_picker in ['baer', 'cwb']:
tdiffs = []
for tr in st:
if preferred_picker == 'baer':
pick_sample = pk_baer(tr.data, tr.stats.sampling_rate,
**picker_config['baer'])[0]
tr_tdiff = pick_sample * tr.stats.delta
else:
tr_tdiff = PowerPicker(tr)[0] - tr.stats.starttime
tdiffs.append(tr_tdiff)
tdiff = min(tdiffs)
tsplit = st[0].stats.starttime + tdiff
if preferred_picker not in ['ar', 'baer', 'cwb']:
raise ValueError('Not a valid picker.')
elif method == 'velocity':
epi_dist = gps2dist_azimuth(
lat1=event_lat,
lon1=event_lon,
lat2=st[0].stats['coordinates']['latitude'],
lon2=st[0].stats['coordinates']['longitude'])[0] * M_TO_KM
tsplit = event_time + epi_dist / vsplit
preferred_picker = None
else:
raise ValueError('Split method must be "p_arrival" or "velocity"')
if tsplit >= st[0].times('utcdatetime')[0]:
# Update trace params
split_params = {
'split_time': tsplit,
'method': method,
'vsplit': vsplit,
'picker_type': preferred_picker
}
for tr in st:
tr.setParameter('signal_split', split_params)
return st
#print(file[0:-4]+" Starttime:"+onofftime[i]+" endtime:"+onofftime[i+1])
tr_bhe = read(BHEfile,
starttime=UTCDateTime(onofftime[i]),
endtime=UTCDateTime(onofftime[i + 1]))
tr_bhz = read(BHZfile,
starttime=UTCDateTime(onofftime[i]),
endtime=UTCDateTime(onofftime[i + 1]))
#print("finished reading")
station = tr_bhz[0].stats.station
df = tr_bhz[0].stats.sampling_rate
#print("finished reading df")
p_pick, s_pick = ar_pick(tr_bhz[0].data, tr_bhn[0].data,
tr_bhe[0].data, df, 1.0, 20.0, 1.0,
0.1, 4.0, 1.0, 2, 8, 0.1, 0.2, True)
#print("finished reading ar piicker")
print(file[0:-4] + "p_pick: " + str(p_pick) + " s_pick: " +
str(s_pick) + " Of slice: " + str(j))
#tr_bhz.plot()
del tr_bhz
del tr_bhn
del tr_bhe
p_pick_actual = convertformat(p_pick,
UTCDateTime(onofftime[i]))
s_pick_actual = convertformat(s_pick,
UTCDateTime(onofftime[i]))
except IndexError:
import numpy as np
import datetime
from obspy.core import read
from obspy.signal.trigger import ar_pick
from obspy.taup import TauPyModel
for i in range(1, 31):
tr1 = read('/Users/Nishita/Documents/Research/example30/*' + str(i) +
'*BHZ.SAC')[0]
tr2 = read('/Users/Nishita/Documents/Research/example30/*' + str(i) +
'*BHN.SAC')[0]
tr3 = read('/Users/Nishita/Documents/Research/example30/*' + str(i) +
'*BHE.SAC')[0]
df = tr1.stats.sampling_rate
p_pick, s_pick = ar_pick(tr1.data, tr2.data, tr3.data, df, 1.0, 20.0, 1.0,
0.1, 4.0, 1.0, 2, 8, 0.1, 0.2)
data = read('/Users/Nishita/Documents/Research/example30/*' + str(i) +
'*BHZ.SAC')
ti = data[
0].stats.starttime #The result is UTC Date Time(2008, 7, 30, 16, 0, 1, 320000)
#Transfer UTC time to Unix timestamp (second)
ti_unix = float(ti.strftime("%s.%f")) #The result is 1217404801.32
# for example, if you find the aftershock at the 67321th data point, then the standard format should be :
p_pick_time = float(
datetime.datetime.fromtimestamp(ti_unix + 8 * 3600 +
p_pick).strftime('%Y%m%d%H%M%S.%f'))
s_pick_time = float(
datetime.datetime.fromtimestamp(ti_unix + 8 * 3600 +
s_pick).strftime('%Y%m%d%H%M%S.%f'))
p_time = round(p_pick_time, 2)
s_time = round(s_pick_time, 2)
#print(file[0:-4]+" Starttime:"+onofftime[i]+" endtime:"+onofftime[i+1])
tr_bhe = read(BHEfile,
starttime=UTCDateTime(onofftime[i]),
endtime=UTCDateTime(onofftime[i + 1]))
tr_bhz = read(BHZfile,
starttime=UTCDateTime(onofftime[i]),
endtime=UTCDateTime(onofftime[i + 1]))
#print("finished reading")
station = tr_bhz[0].stats.station
df = tr_bhz[0].stats.sampling_rate
#print("finished reading df")
p_pick, s_pick = ar_pick(tr_bhz[0].data, tr_bhn[0].data,
tr_bhe[0].data, df, 1.0, 20.0, 0.2,
0.05, 0.4, 0.1, 3, 8, 0.1, 0.2, True)
#print("finished reading ar piicker")
print(file[0:-4] + "p_pick: " + str(p_pick) + " s_pick: " +
str(s_pick) + " Of slice: " + str(j))
tr_bhz.plot()
del tr_bhz
del tr_bhn
del tr_bhe
p_pick_actual = convertformat(p_pick,
UTCDateTime(onofftime[i]))
s_pick_actual = convertformat(s_pick,
UTCDateTime(onofftime[i]))
except IndexError:
starttime=(dtn + onsettime[0] / 100 - 10),
endtime=(dtn + onsettime[1] / 100 + 10))[0]
#print("aahhh2"+str(onsettime[0])+str(onsettime[1]))
tr_bhe = read('/Volumes/Seagate Expansion Drive/after/*' + '.2008' +
str(i) + '*.BHE*',
starttime=(dte + onsettime[0] / 100 - 10),
endtime=(dte + onsettime[1] / 100 + 10))[0]
#print("aahhh3"+str(onsettime[0])+str(onsettime[1]))
tr_bhz = read('/Volumes/Seagate Expansion Drive/after/*' + '.2008' +
str(i) + '*.BHZ*',
starttime=(dtz + onsettime[0] / 100 - 10),
endtime=(dtz + onsettime[1] / 100 + 10))[0]
#print("aahhh4"+str(onsettime[0])+str(onsettime[1]))
onsettime[:] = []
df = tr_bhz.stats.sampling_rate
p_pick, s_pick = ar_pick(tr_bhz.data, tr_bhn.data, tr_bhe.data, df,
1.0, 20.0, 1.0, 0.1, 4.0, 1.0, 2, 8, 0.1, 0.2)
print("p_pick: " + str(p_pick) + " s_pick: " + str(s_pick) +
" Of slice: " + str(j))
tr_bhz.plot(type='relative')
del tr_bhn
del tr_bhe
del tr_bhz
#tr.plot(type='relative')
#plt.plot(cft, 'k')
#plt.show()
#plot_trigger(tr_n, cftn, 2, 0.5)
#------------------BHE------------------------------------
dfe = tr_e.stats.sampling_rate
if len(pstimes) <= 1:
continue
if pstimes[1] - pstimes[0] > 0:
Samp = pswaves[0]
else :
Samp = pswaves[1]
# ------------------------------------------------------------------------------------------------------------------------
df = tr.stats.sampling_rate
BAp_pick, phase_info = pk_baer(tr.data[startwave:endwave], df,
20, 60, 7.0, 12.0, 100, 100)
df = tr.stats.sampling_rate
ARp_pick, S_pick = ar_pick(tr.data[startwave:endwave], tr.data[startwave:endwave], tr.data[startwave:endwave],df,
1.0, 20.0, 1.0, 0.1, 4.0, 1.0, 2, 8, 0.1, 0.2, s_pick=True )
Bap = int((startwave + BAp_pick))
Arp = int((startwave) + (ARp_pick*100))
Pwave = round((Bap+Arp)/2)
Swave = int((startwave) + (S_pick*100))
# P-wave Amplitude
Pamp = abs(trdata[Arp])
plt.figure(figNumber)
plt.plot(trdata[startwave:endwave],'b',trdata[startwave:Swave],'y',trdata[startwave:Pwave],'r')
plt.xlabel('Centiseconds of Event ')
plt.ylabel('Count')
EventName = "Event " + str(figNumber)
