marcel/pylot
3
0
Fork 0
Code Issues 17 Pull Requests 1 Releases Wiki Activity

Implemented new class wapp to calculate Wood-Anderson amplitudes for local magnitude calculation. Before calculating Wood-Anderson amplitude the certain traces are instrument corrected.

Browse Source
This commit is contained in:
Ludger Küperkoch 2015-08-28 11:29:00 +02:00
parent ef8ebc300e
commit 533ccc7b5c
1 changed files with 36 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
pylot/core/pick/autopick.py
View File

@ -15,6 +15,8 @@ from pylot.core.pick.Picker import AICPicker, PragPicker
from pylot.core.pick.CharFuns import HOScf, AICcf, ARZcf, ARHcf, AR3Ccf from pylot.core.pick.CharFuns import HOScf, AICcf, ARZcf, ARHcf, AR3Ccf
from pylot.core.pick.utils import checksignallength, checkZ4S, earllatepicker,\ from pylot.core.pick.utils import checksignallength, checkZ4S, earllatepicker,\
getSNR, fmpicker, checkPonsets, wadaticheck getSNR, fmpicker, checkPonsets, wadaticheck
from pylot.core.read.data import Data
from pylot.core.analysis.magnitude import WApp
def autopickevent(data, param): def autopickevent(data, param):
stations = [] stations = []
@ -109,6 +111,8 @@ def autopickstation(wfstream, pickparam):
nfacsl = pickparam.getParam('noisefactor') nfacsl = pickparam.getParam('noisefactor')
# parameter to check for spuriously picked S onset # parameter to check for spuriously picked S onset
zfac = pickparam.getParam('zfac') zfac = pickparam.getParam('zfac')
# path to inventory-, dataless- or resp-files
invdir = pickparam.getParam('invdir')
# initialize output # initialize output
Pweight = 4 # weight for P onset Pweight = 4 # weight for P onset
@ -132,6 +136,7 @@ def autopickstation(wfstream, pickparam):
Pflag = 0 Pflag = 0
Sflag = 0 Sflag = 0
Pmarker = [] Pmarker = []
Ao = None
# split components # split components
zdat = wfstream.select(component="Z") zdat = wfstream.select(component="Z")
@ -501,6 +506,20 @@ def autopickstation(wfstream, pickparam):
print 'autopickstation: S-weight: %d, SNR: %f, SNR[dB]: %f' % ( print 'autopickstation: S-weight: %d, SNR: %f, SNR[dB]: %f' % (
Sweight, SNRS, SNRSdB) Sweight, SNRS, SNRSdB)
##################################################################
# get Wood-Anderson peak-to-peak amplitude
print "################################################"
# initialize Data object
data = Data()
# re-create stream object including both horizontal components
hdat = edat.copy()
hdat += ndat
h_copy = hdat.copy()
cordat = data.restituteWFData(invdir, h_copy)
# calculate WA-peak-to-peak amplitude
# using subclass WApp of superclass Magnitude
wapp = WApp(cordat, mpickS, 10, iplot)
Ao = wapp.getwapp()
else: else:
print 'Bad initial (AIC) S-pick, skipping this onset!' print 'Bad initial (AIC) S-pick, skipping this onset!'
@ -509,6 +528,21 @@ def autopickstation(wfstream, pickparam):
print '(min. AIC-SNR=', minAICSSNR, ', min. AIC-Slope=', \ print '(min. AIC-SNR=', minAICSSNR, ', min. AIC-Slope=', \
minAICSslope, 'counts/s)' minAICSslope, 'counts/s)'
############################################################
# get Wood-Anderson peak-to-peak amplitude
print "################################################"
# initialize Data object
data = Data()
# re-create stream object including both horizontal components
hdat = edat.copy()
hdat += ndat
h_copy = hdat.copy()
cordat = data.restituteWFData(invdir, h_copy)
# calculate WA-peak-to-peak amplitude
# using subclass WApp of superclass Magnitude
wapp = WApp(cordat, mpickP, 20, iplot)
Ao = wapp.getwapp()
else: else:
print 'autopickstation: No horizontal component data available or ' \ print 'autopickstation: No horizontal component data available or ' \
'bad P onset, skipping S picking!' 'bad P onset, skipping S picking!'
@ -693,5 +727,7 @@ def autopickstation(wfstream, pickparam):
phasepick = {'lpp': lpickS, 'epp': epickS, 'mpp': mpickS, 'spe': Serror, \ phasepick = {'lpp': lpickS, 'epp': epickS, 'mpp': mpickS, 'spe': Serror, \
'snr': SNRS, 'snrdb': SNRSdB, 'weight': Sweight, 'fm': None} 'snr': SNRS, 'snrdb': SNRSdB, 'weight': Sweight, 'fm': None}
picks[phase] = phasepick picks[phase] = phasepick
# add Wood-Anderson amplitude
picks[phase]['Ao'] = Ao
return picks return picks