def Get_bw_windows(self,
stream,
UNKNOWN_1,
UNKNOWN_2,
or_time,
Full_P_shift=None,
Full_S_shift=None,
MANUAL=False):
## YOU can do EITHER MANUAL or not:
""" if MANUAL = False:
UNKNOWN_1 = EPI
UNKNOWN_2 = DEPTH
if MANUAL = True:
UNKNOWN_1 = tt_P
UNKNOWN_2 = tt_S
Full_P_shift = extra shift applied to synthetic, so should be None if Observed
Full_S_shift = extra shift applied to synthetic, so should be None if Observed
"""
self.dt = stream.traces[0].stats.delta
self.original = stream.copy()
or_time_sec = or_time.timestamp
if MANUAL == False:
epi = UNKNOWN_1
depth = UNKNOWN_2
tt_P = self.get_P(epi, depth)
tt_S = self.get_S(epi, depth)
self.start_P = obspy.UTCDateTime(or_time_sec + tt_P - self.Pre_P)
self.or_P_len = int(
(self.start_P - or_time) / stream.traces[0].stats.delta)
self.start_S = obspy.UTCDateTime(or_time_sec + tt_S - self.Pre_S)
self.or_S_len = int(
(self.start_S - or_time) / stream.traces[0].stats.delta)
# print(self.start_P)
# print(self.start_S)
end_P = obspy.UTCDateTime(or_time_sec + tt_P + self.Post_P)
end_S = obspy.UTCDateTime(or_time_sec + tt_S + self.Post_S)
else:
tt_P = UNKNOWN_1
tt_S = UNKNOWN_2
self.start_P = obspy.UTCDateTime(tt_P.timestamp - self.Pre_P)
self.or_P_len = int(
(self.start_P - or_time) / stream.traces[0].stats.delta)
self.start_S = obspy.UTCDateTime(tt_S.timestamp - self.Pre_S)
self.or_S_len = int(
(self.start_S - or_time) / stream.traces[0].stats.delta)
end_P = obspy.UTCDateTime(tt_P.timestamp + self.Post_P)
end_S = obspy.UTCDateTime(tt_S.timestamp + self.Post_S)
if Full_P_shift == None:
Full_P_shift = 0
else:
Full_P_shift = Full_P_shift * self.dt
if Full_S_shift == None:
Full_S_shift = 0
else:
Full_S_shift = Full_S_shift * self.dt
self.S_original = self.original.copy()
self.P_original = self.original.copy()
if self.Taper == True:
self.P_original.taper(
0.025, 'hann', self.start_P - or_time -
10) # Making sure the P and S wave are not effected
self.S_original.taper(0.025, 'hann', self.start_P - or_time - 10)
# CHECK IN OBSPY FUNCTION IF TAPER IS GOOD:
# import matplotlib.pylab as plt
# plt.close()
# x = np.arange(len(taper))
# plt.plot(x, taper, 'r', label='Hann Taper')
# plt.plot(3606, 1, 'bx', label='P-arrival')
# plt.plot(6806, 1, 'kx', label='S-arrival')
# plt.legend()
# plt.show()
if self.zero_phase:
self.P_original.filter('highpass',
freq=1. / (end_P - self.start_P),
zerophase=True,
corners=self.Order)
self.P_original.filter('highpass',
freq=1. / (end_S - self.start_S),
zerophase=True,
corners=self.Order)
self.S_original.filter('highpass',
freq=1. / (end_P - self.start_P),
zerophase=True,
corners=self.Order)
self.S_original.filter('highpass',
freq=1. / (end_S - self.start_S),
zerophase=True,
corners=self.Order)
else:
self.P_original.filter('highpass',
freq=1. / (end_P - self.start_P),
corners=self.Order)
self.P_original.filter('highpass',
freq=1. / (end_S - self.start_S),
corners=self.Order)
self.S_original.filter('highpass',
freq=1. / (end_P - self.start_P),
corners=self.Order)
self.S_original.filter('highpass',
freq=1. / (end_S - self.start_S),
corners=self.Order)
self.P_original = self.Filter(self.P_original,
HP=self.P_HP,
LP=self.P_LP)
self.S_original = self.Filter(self.S_original,
HP=self.S_HP,
LP=self.S_LP)
wlen_seconds = self.Taper_Len
zero_len = self.Zero_len
# wlen = int(wlen_seconds / self.dt)
P_stream = Stream()
S_stream = Stream()
for i in range(0, len(stream.traces)):
trace_P = self.P_original.traces[i].copy()
trace_S = self.S_original.traces[i].copy()
dt = trace_P.meta.delta
P_trace = Trace.slice(trace_P,
self.start_P - wlen_seconds + Full_P_shift,
end_P + wlen_seconds + Full_P_shift)
self.P_len = len(P_trace)
npts_p = self.P_len + 2 * zero_len
start_p = dt * zero_len
S_trace = Trace.slice(trace_S,
self.start_S - wlen_seconds + Full_S_shift,
end_S + wlen_seconds + Full_S_shift)
self.S_len = len(S_trace)
npts_s = self.S_len + 2 * zero_len
start_s = dt * zero_len
if i == 2:
total_s_trace = Trace(np.zeros(npts_s),
header={
"starttime":
self.start_S - start_s -
wlen_seconds + Full_S_shift,
'delta':
trace_S.stats.delta,
"station":
trace_S.stats.station,
"network":
trace_S.stats.network,
"location":
trace_S.stats.location,
"channel":
trace_S.stats.channel
}).__add__(S_trace,
method=0,
interpolation_samples=0,
fill_value=S_trace.data,
sanity_checks=True)
else:
total_p_trace = Trace(np.zeros(npts_p),
header={
"starttime":
self.start_P - start_p -
wlen_seconds + Full_P_shift,
'delta':
trace_P.stats.delta,
"station":
trace_P.stats.station,
"network":
trace_P.stats.network,
"location":
trace_P.stats.location,
"channel":
trace_P.stats.channel
}).__add__(P_trace,
method=0,
interpolation_samples=0,
fill_value=P_trace.data,
sanity_checks=True)
total_s_trace = Trace(np.zeros(npts_s),
header={
"starttime":
self.start_S - start_s -
wlen_seconds + Full_S_shift,
'delta':
trace_S.stats.delta,
"station":
trace_S.stats.station,
"network":
trace_S.stats.network,
"location":
trace_S.stats.location,
"channel":
trace_S.stats.channel
}).__add__(S_trace,
method=0,
interpolation_samples=0,
fill_value=S_trace.data,
sanity_checks=True)
P_stream.append(total_p_trace)
S_stream.append(total_s_trace)
self.S_stream = S_stream
self.P_stream = P_stream
def get_window_obspy(self, seis_traces, epi, depth, time, npts):
tt_P = self.get_P(
epi, depth
) # Estimated P-wave arrival, based on the known velocity model
tt_S = self.get_S(
epi, depth
) # Estimated S-wave arrival, based on the known velocity model
sec_per_sample = 1 / (seis_traces[0].meta.sampling_rate)
#
total_stream = Stream()
s_stream = Stream()
p_stream = Stream()
p_time = time.timestamp + tt_P
s_time = time.timestamp + tt_S
start_time_p = obspy.UTCDateTime(p_time - 5)
start_time_s = obspy.UTCDateTime(s_time - 15)
end_time_p = obspy.UTCDateTime(p_time + 20)
end_time_s = obspy.UTCDateTime(s_time + 35)
#
for i, trace in enumerate(seis_traces.traces):
P_trace = Trace.slice(trace, start_time_p, end_time_p)
S_trace = Trace.slice(trace, start_time_s, end_time_s)
#
# params = {'legend.fontsize': 'x-large',
# 'figure.figsize': (15, 15),
# 'axes.labelsize': 25,
# 'axes.titlesize': 'x-large',
# 'xtick.labelsize': 25,
# 'ytick.labelsize': 25}
# pylab.rcParams.update(params)
# fig = plt.figure(figsize=(10, 10))
# time_array = np.arange(len(trace)) * trace.meta.delta
# Axes = plt.subplot()
# Axes.plot(time_array, trace, c='k', label = 'Z-component')
# ymin, ymax = Axes.get_ylim()
# x_cor = [start_time_p.timestamp - trace.meta.starttime.timestamp,
# end_time_p.timestamp - trace.meta.starttime.timestamp,
# end_time_p.timestamp - trace.meta.starttime.timestamp,
# start_time_p.timestamp - trace.meta.starttime.timestamp,
# start_time_p.timestamp - trace.meta.starttime.timestamp]
# y_cor = [ymax / 10.0, ymax / 10.0, ymin / 10.0, ymin / 10.0, ymax / 10.0]
# plt.plot(x_cor,y_cor,c='r')
# x_cor_s = [start_time_s.timestamp - trace.meta.starttime.timestamp,
# end_time_s.timestamp - trace.meta.starttime.timestamp,
# end_time_s.timestamp - trace.meta.starttime.timestamp,
# start_time_s.timestamp - trace.meta.starttime.timestamp,
# start_time_s.timestamp - trace.meta.starttime.timestamp]
# y_cor_s = [ymax / 10.0, ymax / 10.0, ymin / 10.0, ymin / 10.0, ymax / 10.0]
# plt.plot(x_cor_s,y_cor_s,c='r')
# # Axes.axhline(y=ymin, color='r')
# # Axes.axhline(y=ymax, color='r')
# # plt.vlines(start_time_p,ymin=ymin,ymax=ymax,colors='r',label='P pick')
# # plt.vlines(end_time_p,ymin=ymin,ymax=ymax,colors='r')
#
#
# phases = (dict(starttime=lambda dist, depth: time + dist / 2.8,
# endtime=lambda dist, depth: time + dist / 2.6,
# comp='Z',
# fmin=1. / 20.,
# fmax=1. / 10.,
# dt=5.0,
# name='R1_10_20'))
# # trace.detrend(type="demean")
# # trace.filter('highpass', freq=phases['fmin'], zerophase=True)
# # trace.filter('lowpass', freq=phases['fmax'], zerophase=True)
# # trace.detrend()
# start = phases['starttime'](2716.72921884, 10000)
# end = phases['endtime'](2716.72921884, 10000)
# start_vline = int(
# (phases['starttime'](2716.72921884, 10000).timestamp- time.timestamp))
# end_vline = int(
# (phases['endtime'](2716.72921884, 10000).timestamp - time.timestamp))
#
# y_cor_R = [ymin,ymin,ymax,ymax,ymin]
# x_cor_R = [start_vline,end_vline,end_vline,start_vline,start_vline]
#
# plt.plot(x_cor_R, y_cor_R, c='g')
# Axes.legend()
# Axes.ticklabel_format(style="sci", axis='y', scilimits=(-2, 2))
# Axes.set_xlabel(trace.meta.starttime.strftime('Time : %Y-%m-%dT%H:%M:%S + [sec]'))
# Axes.set_ylabel("Displacement [m]")
# plt.tight_layout()
# # plt.show()
# plt.savefig('/home/nienke/Documents/Applied_geophysics/Thesis/anaconda/Final/check_waveforms' + '/picks.pdf')
# plt.close()
#
# # v_p_start = start_time_p
stream_add = P_trace.__add__(S_trace,
fill_value=0,
sanity_checks=True)
zero_trace = Trace(np.zeros(npts),
header={
"starttime": start_time_p,
'delta': trace.meta.delta,
"station": trace.meta.station,
"network": trace.meta.network,
"location": trace.meta.location,
"channel": trace.meta.channel
})
if 'T' in trace.meta.channel:
total_trace = zero_trace.__add__(S_trace,
method=0,
interpolation_samples=0,
fill_value=S_trace.data,
sanity_checks=True)
total_s_trace = total_trace.copy()
else:
total_trace = zero_trace.__add__(stream_add,
method=0,
interpolation_samples=0,
fill_value=stream_add.data,
sanity_checks=True)
total_s_trace = zero_trace.__add__(S_trace,
method=0,
interpolation_samples=0,
fill_value=S_trace.data,
sanity_checks=True)
total_p_trace = zero_trace.__add__(P_trace,
method=0,
interpolation_samples=0,
fill_value=P_trace.data,
sanity_checks=True)
p_stream.append(total_p_trace)
s_stream.append(total_s_trace)
total_stream.append(total_trace)
s_stream = self.BW_filter(s_stream)
p_stream = self.BW_filter(p_stream)
total_stream = self.BW_filter(total_stream)
return total_stream, p_stream, s_stream, start_time_p, start_time_s
def get_window_split_syn(self, splitted_syn, epi, depth, time_at_receiver,
npts):
tt_P = self.get_P(
epi, depth
) # Estimated P-wave arrival, based on the known velocity model
tt_S = self.get_S(
epi, depth
) # Estimated S-wave arrival, based on the known velocity model
diff = tt_S - tt_P
P_start = time_at_receiver
P_end = obspy.UTCDateTime(P_start + 5 + 20)
S_start = obspy.UTCDateTime(time_at_receiver.timestamp + diff)
S_end = obspy.UTCDateTime(S_start + 5 + 20)
p_stream = Stream()
s_stream = Stream()
total_stream = Stream()
for i, trace in enumerate(splitted_syn.traces):
P_trace = Trace.slice(trace, P_start, P_end)
S_trace = Trace.slice(trace, S_start, S_end)
stream_add = P_trace.__add__(S_trace,
fill_value=0,
sanity_checks=True)
zero_trace = Trace(np.zeros(npts),
header={
"starttime": P_start,
'delta': trace.meta.delta,
"station": trace.meta.station,
"network": trace.meta.network,
"location": trace.meta.location,
"channel": trace.meta.channel,
"instaseis": trace.meta.instaseis
})
if 'T' in trace.meta.channel:
total_trace = zero_trace.__add__(S_trace,
method=0,
interpolation_samples=0,
fill_value=S_trace.data,
sanity_checks=True)
total_s_trace = total_trace.copy()
else:
total_trace = zero_trace.__add__(stream_add,
method=0,
interpolation_samples=0,
fill_value=stream_add.data,
sanity_checks=True)
total_s_trace = zero_trace.__add__(S_trace,
method=0,
interpolation_samples=0,
fill_value=S_trace.data,
sanity_checks=True)
total_p_trace = zero_trace.__add__(P_trace,
method=0,
interpolation_samples=0,
fill_value=P_trace.data,
sanity_checks=True)
p_stream.append(total_p_trace)
s_stream.append(total_s_trace)
total_stream.append(total_trace)
return total_stream, p_stream, s_stream
def get_bw(self, time_at_rec, epi, depth, npts_trace):
gf = self.db.get_greens_function(epicentral_distance_in_degree=epi,
source_depth_in_m=depth,
origin_time=time_at_rec,
kind=self.par['kind'],
kernelwidth=self.par['kernelwidth'],
definition=self.par['definition'])
tt_P = self.window.get_P(epi, depth)
tt_S = self.window.get_S(epi, depth)
p_time = time_at_rec.timestamp + tt_P
s_time = time_at_rec.timestamp + tt_S
start_time_p = obspy.UTCDateTime(p_time - 10)
start_time_s = obspy.UTCDateTime(s_time - 10)
end_time_p = obspy.UTCDateTime(p_time + 44.2)
end_time_s = obspy.UTCDateTime(s_time + 44.2)
format_gf = Stream()
for i in range(len(gf.traces)):
if i == 0 or i == 3:
stream_add = Trace.slice(gf.traces[i], start_time_s,
end_time_s)
else:
P_trace = Trace.slice(gf.traces[i], start_time_p, end_time_p)
S_trace = Trace.slice(gf.traces[i], start_time_s, end_time_s)
stream_add = P_trace.__add__(S_trace,
fill_value=0,
sanity_checks=True)
zero_trace = Trace(np.zeros(npts_trace),
header={
"starttime": start_time_p,
'delta': gf.traces[0].meta.delta,
'definition': self.par['definition'],
'kernelwidth': self.par['kernelwidth'],
'kind': self.par['kind'],
"instaseis": gf.traces[0].meta.instaseis,
'channel': gf.traces[i].id
})
filled_trace = zero_trace.__add__(stream_add,
method=0,
interpolation_samples=0,
fill_value=stream_add.data,
sanity_checks=False)
format_gf.append(filled_trace)
tss = format_gf.traces[0].data
zss = format_gf.traces[1].data
rss = format_gf.traces[2].data
tds = format_gf.traces[3].data
zds = format_gf.traces[4].data
rds = format_gf.traces[5].data
zdd = format_gf.traces[6].data
rdd = format_gf.traces[7].data
zep = format_gf.traces[8].data
rep = format_gf.traces[9].data
G_z = np.ones((npts_trace, 5))
G_r = np.ones((npts_trace, 5))
G_t = np.ones((npts_trace, 5))
G_z[:, 0] = zss * (0.5) * np.cos(
2 * np.deg2rad(self.par['az'])) - zdd * 0.5
G_z[:, 1] = -zdd * 0.5 - zss * (0.5) * np.cos(
2 * np.deg2rad(self.par['az']))
# _z G[0:G_z, 1] = zdd * (1/3) + zep * (1/3)
G_z[:, 2] = zss * np.sin(2 * np.deg2rad(self.par['az']))
G_z[:, 3] = -zds * np.cos(np.deg2rad(self.par['az']))
G_z[:, 4] = -zds * np.sin(np.deg2rad(self.par['az']))
G_r[:, 0] = rss * (0.5) * np.cos(
2 * np.deg2rad(self.par['az'])) - rdd * 0.5
G_r[:, 1] = -0.5 * rdd - rss * (0.5) * np.cos(
2 * np.deg2rad(self.par['az']))
# _r G[G_z:G_r, 1] = rdd * (1/3) + rep * (1/3)
G_r[:, 2] = rss * np.sin(2 * np.deg2rad(self.par['az']))
G_r[:, 3] = -rds * np.cos(np.deg2rad(self.par['az']))
G_r[:, 4] = -rds * np.sin(np.deg2rad(self.par['az']))
G_t[:, 0] = -tss * (0.5) * np.sin(2 * np.deg2rad(self.par['az']))
G_t[:, 1] = tss * (0.5) * np.sin(2 * np.deg2rad(self.par['az']))
# _t G[G_r:G_t, 1] = 0
G_t[:, 2] = tss * np.cos(2 * np.deg2rad(self.par['az']))
G_t[:, 3] = tds * np.sin(np.deg2rad(self.par['az']))
G_t[:, 4] = -tds * np.cos(np.deg2rad(self.par['az']))
G_tot = np.vstack((np.vstack((G_z, G_r)), G_t))
return G_tot, G_z, G_r, G_t
def get_window_obspy(self, seis_traces, epi, depth, time, npts):
self.origin = seis_traces
tt_P = self.get_P(
epi, depth
) # Estimated P-wave arrival, based on the known velocity model
tt_S = self.get_S(
epi, depth
) # Estimated S-wave arrival, based on the known velocity model
sec_per_sample = 1 / (seis_traces[0].meta.sampling_rate)
#
self.BW_stream = Stream()
self.S_stream = Stream()
self.P_stream = Stream()
p_time = time.timestamp + tt_P
s_time = time.timestamp + tt_S
self.start_P = obspy.UTCDateTime(p_time - 5)
self.start_S = obspy.UTCDateTime(s_time - 15)
self.or_S_len = int(
(self.start_S - time) / seis_traces.traces[0].stats.delta)
self.or_P_len = int(
(self.start_P - time) / seis_traces.traces[0].stats.delta)
end_time_p = obspy.UTCDateTime(p_time + 20)
end_time_s = obspy.UTCDateTime(s_time + 35)
for i, trace in enumerate(seis_traces.traces):
P_trace = Trace.slice(trace, self.start_P, end_time_p)
self.P_len = len(P_trace)
S_trace = Trace.slice(trace, self.start_S, end_time_s)
self.S_len = len(S_trace)
stream_add = P_trace.__add__(S_trace,
fill_value=0,
sanity_checks=True)
zero_trace = Trace(np.zeros(npts),
header={
"starttime": self.start_P,
'delta': trace.meta.delta,
"station": trace.meta.station,
"network": trace.meta.network,
"location": trace.meta.location,
"channel": trace.meta.channel
})
if 'T' in trace.meta.channel:
total_trace = zero_trace.__add__(S_trace,
method=0,
interpolation_samples=0,
fill_value=S_trace.data,
sanity_checks=True)
total_s_trace = total_trace.copy()
else:
total_trace = zero_trace.__add__(stream_add,
method=0,
interpolation_samples=0,
fill_value=stream_add.data,
sanity_checks=True)
total_s_trace = zero_trace.__add__(S_trace,
method=0,
interpolation_samples=0,
fill_value=S_trace.data,
sanity_checks=True)
total_p_trace = zero_trace.__add__(P_trace,
method=0,
interpolation_samples=0,
fill_value=P_trace.data,
sanity_checks=True)
self.P_stream.append(total_p_trace)
self.S_stream.append(total_s_trace)
self.BW_stream.append(total_trace)
self.S_stream = self.BW_filter(self.S_stream)
self.P_stream = self.BW_filter(self.P_stream)
self.BW_stream = self.BW_filter(self.BW_stream)
def get_window_obspy(self, seis_traces, epi, depth, or_time, npts):
tt_P = self.get_P(
epi, depth
) # Estimated P-wave arrival, based on the known velocity model
tt_S = self.get_S(
epi, depth
) # Estimated S-wave arrival, based on the known velocity model
sec_per_sample = 1 / (seis_traces[0].meta.sampling_rate)
total_stream = Stream()
s_stream = Stream()
p_stream = Stream()
p_time = or_time.timestamp + tt_P
s_time = or_time.timestamp + tt_S
start_time_p = obspy.UTCDateTime(
p_time - 5) # -10 , + 44.2 --> PAPER: STAHLER & SIGLOCH
end_time_p = obspy.UTCDateTime(p_time + 20)
start_time_s = obspy.UTCDateTime(s_time - 15)
end_time_s = obspy.UTCDateTime(s_time + 35)
for i, trace in enumerate(seis_traces.traces):
P_trace = Trace.slice(trace, start_time_p, end_time_p)
# P_trace.detrend(type='demean')
S_trace = Trace.slice(trace, start_time_s, end_time_s)
# S_trace.detrend(type='demean')
stream_add = P_trace.__add__(S_trace,
fill_value=0,
sanity_checks=True)
zero_trace = Trace(np.zeros(npts),
header={
"starttime": start_time_p,
'delta': trace.meta.delta,
"station": trace.meta.station,
"network": trace.meta.network,
"location": trace.meta.location,
"channel": trace.meta.channel
})
if 'T' in trace.meta.channel:
total_trace = zero_trace.__add__(S_trace,
method=0,
interpolation_samples=0,
fill_value=S_trace.data,
sanity_checks=True)
total_s_trace = total_trace.copy()
else:
total_trace = zero_trace.__add__(stream_add,
method=0,
interpolation_samples=0,
fill_value=stream_add.data,
sanity_checks=True)
total_s_trace = zero_trace.__add__(S_trace,
method=0,
interpolation_samples=0,
fill_value=S_trace.data,
sanity_checks=True)
total_p_trace = zero_trace.__add__(P_trace,
method=0,
interpolation_samples=0,
fill_value=P_trace.data,
sanity_checks=True)
p_stream.append(total_p_trace)
s_stream.append(total_s_trace)
total_stream.append(total_trace)
s_stream = self.BW_filter(s_stream)
p_stream = self.BW_filter(p_stream)
total_stream = self.BW_filter(total_stream)
return total_stream, p_stream, s_stream, start_time_p, start_time_s