Zero crossings are calculated to derive only P pulse for calculating source spectrum.
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@ -313,7 +313,6 @@ def autopickstation(wfstream, pickparam):
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##############################################################
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# get DC value (w0) and corner frequency (fc) of source spectrum
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# from P pulse
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# restitute streams
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# initialize Data object
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data = Data()
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[corzdat, restflag] = data.restituteWFData(invdir, zdat)
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@ -323,33 +322,45 @@ def autopickstation(wfstream, pickparam):
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# class needs stream object => build it
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z_copy = zdat.copy()
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z_copy[0].data = corintzdat
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# largest detectable period == window length
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# after P pulse for calculating source spectrum
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winzc = (1 / bpz2[0]) * z_copy[0].stats.sampling_rate
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impickP = mpickP * z_copy[0].stats.sampling_rate
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wfzc = z_copy[0].data[impickP : impickP + winzc]
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# calculate spectrum using only first cycles of
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# waveform after P onset!
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zc = crossings_nonzero_all(wfzc)
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if np.size(zc) == 0:
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print ("Something is wrong with the waveform, " \
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"no zero crossings derived!")
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print ("Cannot calculate source spectrum!")
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else:
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calcwin = (zc[3] - zc[0]) * z_copy[0].stats.delta
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# calculate source spectrum and get w0 and fc
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calcwin = 1 / bpz2[0] # largest detectable period == window length
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# around P pulse for calculating source spectrum
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specpara = DCfc(z_copy, mpickP, calcwin, iplot)
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w0 = specpara.getw0()
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fc = specpara.getfc()
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print 'autopickstation: P-weight: %d, SNR: %f, SNR[dB]: %f, ' \
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'Polarity: %s' % (Pweight, SNRP, SNRPdB, FM)
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print ("autopickstation: P-weight: %d, SNR: %f, SNR[dB]: %f, " \
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"Polarity: %s" % (Pweight, SNRP, SNRPdB, FM))
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Sflag = 1
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else:
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print 'Bad initial (AIC) P-pick, skipping this onset!'
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print ("Bad initial (AIC) P-pick, skipping this onset!")
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print 'AIC-SNR=', aicpick.getSNR(), 'AIC-Slope=', aicpick.getSlope(), 'counts/s'
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print '(min. AIC-SNR=', minAICPSNR, ', min. AIC-Slope=', minAICPslope, 'counts/s)'
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Sflag = 0
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else:
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print 'autopickstation: No vertical component data available!, ' \
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'Skipping station!'
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print ("autopickstation: No vertical component data available!, " \
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"Skipping station!")
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if edat is not None and ndat is not None and len(edat) > 0 and len(
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ndat) > 0 and Pweight < 4:
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print 'Go on picking S onset ...'
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print '##################################################'
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print 'Working on S onset of station %s' % edat[0].stats.station
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print 'Filtering horizontal traces ...'
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print ("Go on picking S onset ...")
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print ("##################################################")
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print ("Working on S onset of station %s" % edat[0].stats.station)
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print ("Filtering horizontal traces ...")
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# determine time window for calculating CF after P onset
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cuttimesh = [round(max([mpickP + sstart, 0])),
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