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.