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[bugfix] fixes and modifications for (inhomogeneous) global datasets, WIP

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Marcel Paffrath
2017-05-30 16:09:48 +02:00
parent ceed165307
commit f493359c26
4 changed files with 66 additions and 30 deletions
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35
pylot/core/pick/utils.py
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@@ -343,6 +343,10 @@ def getSNR(X, TSNR, t1, tracenum=0):
assert isinstance(X, Stream), "%s is not a stream object" % str(X)
SNR = None
SNRdb = None
noiselevel = None
x = X[tracenum].data
npts = X[tracenum].stats.npts
sr = X[tracenum].stats.sampling_rate
@@ -356,10 +360,7 @@ def getSNR(X, TSNR, t1, tracenum=0):
isignal = getsignalwin(t, t1, TSNR[2])
if np.size(inoise) < 1:
print ("getSNR: Empty array inoise, check noise window!")
return
elif np.size(isignal) < 1:
print ("getSNR: Empty array isignal, check signal window!")
return
return SNR, SNRdB, noiselevel
# demean over entire waveform
x = x - np.mean(x[inoise])
@@ -368,6 +369,10 @@ def getSNR(X, TSNR, t1, tracenum=0):
noiselevel = np.sqrt(np.mean(np.square(x[inoise])))
#signallevel = np.sqrt(np.mean(np.square(x[isignal])))
if np.size(isignal) < 1:
print ("getSNR: Empty array isignal, check signal window!")
return SNR, SNRdB, noiselevel
#noiselevel = np.abs(x[inoise]).max()
signallevel = np.abs(x[isignal]).max()
@@ -431,7 +436,7 @@ def getsignalwin(t, t1, tsignal):
return isignal
def getResolutionWindow(snr):
def getResolutionWindow(snr, aperture):
"""
Number -> Float
produce the half of the time resolution window width from given SNR
@@ -453,18 +458,24 @@ def getResolutionWindow(snr):
>>> getResolutionWindow(2)
2.5
"""
res_wins = {'HRW': 2., 'MRW': 5., 'LRW': 10., 'VLRW': 15.}
res_wins = {
'regional': {'HRW': 2., 'MRW': 5., 'LRW': 10., 'VLRW': 15.},
'local': {'HRW': 2., 'MRW': 5., 'LRW': 10., 'VLRW': 15.},
'global': {'HRW': 40., 'MRW': 100., 'LRW': 200., 'VLRW': 300.}
}
if snr < 1.5:
time_resolution = res_wins['VLRW']
time_resolution = res_wins[aperture]['VLRW']
elif snr < 2.:
time_resolution = res_wins['LRW']
time_resolution = res_wins[aperture]['LRW']
elif snr < 3.:
time_resolution = res_wins['MRW']
time_resolution = res_wins[aperture]['MRW']
elif snr >3.:
time_resolution = res_wins[aperture]['HRW']
else:
time_resolution = res_wins['HRW']
time_resolution = res_wins[aperture]['VLRW']
return time_resolution / 2