class atacr_monthly_sta(object):
def __init__(self, inv, datadir, outdir, year, month, overlap = 0.5, window = 21000., chan_rank = ['L', 'H', 'B'], sps = 1.):
network = inv.networks[0]
station = network[0]
channel = station[0]
self.stdb_inv = stdb.StDbElement(network = network.code, station = station.code, channel = channel.code[:2],\
location = channel.location_code, latitude = station.latitude, longitude = station.longitude,\
elevation = station.elevation, polarity=1., azcorr=0., startdate = station.start_date,\
enddate = station.end_date, restricted_status = station.restricted_status)
self.datadir = datadir
self.outdir = outdir
self.year = year
self.month = month
self.overlap = overlap
self.window = window
self.staid = network.code+'.'+station.code
self.chan_rank = chan_rank
self.stanoise = StaNoise()
self.stlo = station.longitude
self.stla = station.latitude
self.monthdir = self.datadir + '/%04d.%s' %(self.year, monthdict[self.month])
self.sps = sps
return
def transfer_func(self):
"""compute monthly transfer function
"""
targetdt = 1./self.sps
stime = obspy.UTCDateTime('%04d%02d01' %(self.year, self.month))
monthdir = self.monthdir
if not os.path.isdir(monthdir):
return False
chan_type = None
Nday = 0
while( (stime.year == self.year) and (stime.month == self.month)):
daydir = monthdir+'/%d.%s.%d' %(self.year, monthdict[self.month], stime.day)
if not os.path.isdir(daydir):
stime += 86400.
continue
fpattern= daydir+'/ft_%d.%s.%d.%s' %(self.year, monthdict[self.month], stime.day, self.staid)
if chan_type is None:
for chtype in self.chan_rank:
fname1 = fpattern+'.%sH1.SAC' %chtype
fname2 = fpattern+'.%sH2.SAC' %chtype
fnamez = fpattern+'.%sHZ.SAC' %chtype
fnamep = fpattern+'.%sDH.SAC' %chtype
if os.path.isfile(fname1) and os.path.isfile(fname1) and \
os.path.isfile(fnamez) and os.path.isfile(fnamep):
chan_type = chtype
break
if chan_type is None:
stime += 86400.
continue
fname1 = fpattern+'.%sH1.SAC' %chan_type
fname2 = fpattern+'.%sH2.SAC' %chan_type
fnamez = fpattern+'.%sHZ.SAC' %chan_type
fnamep = fpattern+'.%sDH.SAC' %chan_type
if not (os.path.isfile(fname1) and os.path.isfile(fname1) and \
os.path.isfile(fnamez) and os.path.isfile(fnamep)):
stime += 86400.
continue
tr1 = obspy.read(fname1)[0]
stimetr = tr1.stats.starttime
tr2 = obspy.read(fname2)[0]
trZ = obspy.read(fnamez)[0]
trP = obspy.read(fnamep)[0]
if abs(tr1.stats.delta - targetdt) > 1e-3 or abs(tr2.stats.delta - targetdt) > 1e-3 or \
abs(trZ.stats.delta - targetdt) > 1e-3 or abs(trP.stats.delta - targetdt) > 1e-3:
raise ValueError('!!! CHECK fs :'+ self.staid)
else:
tr1.stats.delta = targetdt
tr2.stats.delta = targetdt
trP.stats.delta = targetdt
trZ.stats.delta = targetdt
# # # if np.all(tr1.data == 0.) or np.all(tr2.data == 0.) or np.all(trZ.data == 0.) or np.all(trP.data == 0.):
# # # stime += 86400.
# # # continue
tr1.trim(starttime = stimetr, endtime = stimetr + 8400.*10-1)
tr2.trim(starttime = stimetr, endtime = stimetr + 8400.*10-1)
trZ.trim(starttime = stimetr, endtime = stimetr + 8400.*10-1)
trP.trim(starttime = stimetr, endtime = stimetr + 8400.*10-1)
# # # print (self.staid)
if np.all(trP.data == 0.) and not (np.all(tr1.data == 0.) or np.all(tr2.data == 0.)):
self.stanoise += DayNoise(tr1=tr1, tr2=tr2, trZ=trZ, trP=obspy.Trace(), overlap=self.overlap, window = self.window)
self.out_dtype = 'Z2-1'
elif (np.all(tr1.data == 0.) or np.all(tr2.data == 0.)) and (not np.all(trP.data == 0.)):
self.stanoise += DayNoise(tr1=obspy.Trace(), tr2=obspy.Trace(), trZ=trZ, trP=trP, overlap=self.overlap, window = self.window)
self.out_dtype = 'ZP'
elif (not (np.all(tr1.data == 0.) or np.all(tr2.data == 0.))) and (not np.all(trP.data == 0.)):
self.stanoise += DayNoise(tr1=tr1, tr2=tr2, trZ=trZ, trP=trP, overlap=self.overlap, window = self.window)
self.out_dtype = 'ZP-21'
else:
stime += 86400.
continue
stime += 86400.
Nday += 1
if Nday <= 1:
return False
self.stanoise.QC_sta_spectra()
self.stanoise.average_sta_spectra()
self.tfnoise= TFNoise(self.stanoise)
self.tfnoise.transfer_func()
return True
def correct(self):
"""compute monthly transfer function
"""
targetdt = 1./self.sps
stime = obspy.UTCDateTime('%04d%02d01' %(self.year, self.month))
monthdir = self.monthdir
omonthdir = self.outdir + '/%04d.%s' %(self.year, monthdict[self.month])
if not os.path.isdir(monthdir):
return False
chan_type = None
while( (stime.year == self.year) and (stime.month == self.month)):
daydir = monthdir+'/%d.%s.%d' %(self.year, monthdict[self.month], stime.day)
fpattern = daydir+'/ft_%d.%s.%d.%s' %(self.year, monthdict[self.month], stime.day, self.staid)
odaydir = omonthdir+'/%d.%s.%d' %(self.year, monthdict[self.month], stime.day)
if not os.path.isdir(odaydir):
os.makedirs(odaydir)
if chan_type is None:
for chtype in self.chan_rank:
fname1 = fpattern+'.%sH1.SAC' %chtype
fname2 = fpattern+'.%sH2.SAC' %chtype
fnamez = fpattern+'.%sHZ.SAC' %chtype
fnamep = fpattern+'.%sDH.SAC' %chtype
if os.path.isfile(fname1) and os.path.isfile(fname2) and \
os.path.isfile(fnamez) and os.path.isfile(fnamep):
chan_type = chtype
break
if chan_type is None:
stime += 86400.
continue
fname1 = fpattern+'.%sH1.SAC' %chan_type
fname2 = fpattern+'.%sH2.SAC' %chan_type
fnamez = fpattern+'.%sHZ.SAC' %chan_type
fnamep = fpattern+'.%sDH.SAC' %chan_type
if not (os.path.isfile(fname1) and os.path.isfile(fname2) and \
os.path.isfile(fnamez) and os.path.isfile(fnamep)):
stime += 86400.
continue
tr1 = obspy.read(fname1)[0]
stimetr = tr1.stats.starttime
tr2 = obspy.read(fname2)[0]
trZ = obspy.read(fnamez)[0]
trP = obspy.read(fnamep)[0]
if (np.all(tr1.data == 0.) or np.all(tr2.data == 0.)) and np.all(trP.data == 0.):
stime += 86400.
continue
if abs(tr1.stats.delta - targetdt) > 1e-3 or abs(tr2.stats.delta - targetdt) > 1e-3 or \
abs(trZ.stats.delta - targetdt) > 1e-3 or abs(trP.stats.delta - targetdt) > 1e-3:
raise ValueError('!!! CHECK fs :'+ self.staid)
else:
tr1.stats.delta = targetdt
tr2.stats.delta = targetdt
trP.stats.delta = targetdt
trZ.stats.delta = targetdt
outfnameZ = odaydir+'/ft_%d.%s.%d.%s.%sHZ.SAC' %(self.year, monthdict[self.month], stime.day, self.staid, chan_type)
# sliding window raw data
StreamZ = obspy.Stream()
overlap = 0.99
for tmptr in trZ.slide(window_length = self.window-1, step = int((self.window-1)*overlap)):
# print (tmptr.stats.npts)
StreamZ += tmptr.copy()
Stream1 = obspy.Stream()
for tmptr in tr1.slide(window_length = self.window-1, step = int((self.window-1)*overlap)):
Stream1 += tmptr.copy()
Stream2 = obspy.Stream()
for tmptr in tr2.slide(window_length = self.window-1, step = int((self.window-1)*overlap)):
Stream2 += tmptr.copy()
StreamP = obspy.Stream()
for tmptr in trP.slide(window_length = self.window-1, step = int((self.window-1)*overlap)):
StreamP += tmptr.copy()
# remove tilt and compliance
outStreamZ = obspy.Stream()
Ntraces = len(StreamZ)
for itr in range(Ntraces):
sth = obspy.Stream()
if not (np.all(Stream1[itr].data == 0.) or np.all(Stream1[itr].data == 0.)):
sth += Stream1[itr]
sth += Stream2[itr]
sth += StreamZ[itr]
stp = obspy.Stream()
if not np.all(StreamP[itr].data == 0.):
stp += StreamP[itr]
tmptime = StreamZ[itr].stats.starttime
tstamp = str(tmptime.year).zfill(4)+'.' + \
str(tmptime.julday).zfill(3)+'.'
tstamp = tstamp + str(tmptime.hour).zfill(2) + \
'.'+str(tmptime.minute).zfill(2)
if self.out_dtype == 'ZP':
ncomp = 2
elif self.out_dtype == 'Z2-1':
ncomp = 3
elif self.out_dtype == 'ZP-21':
ncomp = 4
eventstream = EventStream( sta = self.stdb_inv, sth = sth, stp = stp,\
tstamp = tstamp, lat = self.stla, lon = self.stlo, time = tmptime,\
window = self.window,
sampling_rate = 1., ncomp = ncomp)
eventstream.correct_data(self.tfnoise)
tmptr = StreamZ[itr].copy()
tmptr.data = eventstream.correct[self.out_dtype].copy()
outStreamZ += tmptr
# outStreamZ.data =
# merge data
outStreamZ.merge(method = 1, fill_value = 'interpolate', interpolation_samples=2)
outTrZ = outStreamZ[0]
if os.path.isfile(outfnameZ):
shutil.copyfile(src = outfnameZ, dst = outfnameZ+'_old')
os.remove(outfnameZ)
outTrZ.write(outfnameZ, format = 'SAC')
stime += 86400.