Removed calculation of source spectrum from autopick, as azimuth and angle of incidence are necessary and thus a location is needed for a reliable calculation of the source spectrum. Source spectrum is now calculated after locating the event.
This commit is contained in:
parent
30970b8451
commit
40f38ebf84
@ -15,10 +15,10 @@ from scipy import integrate
|
||||
from pylot.core.pick.Picker import AICPicker, PragPicker
|
||||
from pylot.core.pick.CharFuns import HOScf, AICcf, ARZcf, ARHcf, AR3Ccf
|
||||
from pylot.core.pick.utils import checksignallength, checkZ4S, earllatepicker,\
|
||||
getSNR, fmpicker, checkPonsets, wadaticheck, crossings_nonzero_all
|
||||
getSNR, fmpicker, checkPonsets, wadaticheck
|
||||
from pylot.core.util.utils import getPatternLine
|
||||
from pylot.core.read.data import Data
|
||||
from pylot.core.analysis.magnitude import WApp, w0fc
|
||||
from pylot.core.analysis.magnitude import WApp
|
||||
|
||||
def autopickevent(data, param):
|
||||
stations = []
|
||||
@ -138,8 +138,6 @@ def autopickstation(wfstream, pickparam):
|
||||
Sflag = 0
|
||||
Pmarker = []
|
||||
Ao = None # Wood-Anderson peak-to-peak amplitude
|
||||
w0 = None # plateau of source spectrum
|
||||
fc = None # corner frequancy of source spectrum
|
||||
|
||||
# split components
|
||||
zdat = wfstream.select(component="Z")
|
||||
@ -314,37 +312,6 @@ def autopickstation(wfstream, pickparam):
|
||||
else:
|
||||
FM = 'N'
|
||||
|
||||
##############################################################
|
||||
# get DC value and corner frequency (fc) of source spectrum
|
||||
# from P pulse
|
||||
# initialize Data object
|
||||
data = Data()
|
||||
z_copy = zdat.copy()
|
||||
[corzdat, restflag] = data.restituteWFData(invdir, z_copy)
|
||||
if restflag == 1:
|
||||
# integrate to displacement
|
||||
corintzdat = integrate.cumtrapz(corzdat[0], None, corzdat[0].stats.delta)
|
||||
z_copy[0].data = corintzdat
|
||||
# largest detectable period == window length
|
||||
# after P pulse for calculating source spectrum
|
||||
winzc = (1 / bpz2[0]) * z_copy[0].stats.sampling_rate
|
||||
impickP = mpickP * z_copy[0].stats.sampling_rate
|
||||
wfzc = z_copy[0].data[impickP : impickP + winzc]
|
||||
# calculate spectrum using only first cycles of
|
||||
# waveform after P onset!
|
||||
zc = crossings_nonzero_all(wfzc)
|
||||
if np.size(zc) == 0 or len(zc) <= 3:
|
||||
print ("Something is wrong with the waveform, "
|
||||
"no zero crossings derived!")
|
||||
print ("Cannot calculate source spectrum!")
|
||||
else:
|
||||
index = min([3, len(zc) - 1])
|
||||
calcwin = (zc[index] - zc[0]) * z_copy[0].stats.delta
|
||||
# calculate source spectrum and get w0 and fc
|
||||
specpara = w0fc(z_copy, mpickP, calcwin, iplot)
|
||||
w0 = specpara.getw0()
|
||||
fc = specpara.getfc()
|
||||
|
||||
print ("autopickstation: P-weight: %d, SNR: %f, SNR[dB]: %f, "
|
||||
"Polarity: %s" % (Pweight, SNRP, SNRPdB, FM))
|
||||
Sflag = 1
|
||||
@ -790,8 +757,7 @@ def autopickstation(wfstream, pickparam):
|
||||
# for P phase
|
||||
phase = 'P'
|
||||
phasepick = {'lpp': lpickP, 'epp': epickP, 'mpp': mpickP, 'spe': Perror,
|
||||
'snr': SNRP, 'snrdb': SNRPdB, 'weight': Pweight, 'fm': FM,
|
||||
'w0': w0, 'fc': fc}
|
||||
'snr': SNRP, 'snrdb': SNRPdB, 'weight': Pweight, 'fm': FM}
|
||||
picks = {phase: phasepick}
|
||||
# add P marker
|
||||
picks[phase]['marked'] = Pmarker
|
||||
|
Loading…
Reference in New Issue
Block a user