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Bug workaround: sometimes rotate2zne fails resulting in an permanent

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error
This commit is contained in:
Ludger Küperkoch 2020-07-08 14:57:43 +02:00
parent 9486d7aced
commit 7023bc4ce4
1 changed files with 25 additions and 20 deletions
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45
pylot/core/util/utils.py
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@ -960,26 +960,31 @@ def check4rotated(data, metadata=None, verbosity=1):
return wfstream
# to rotate all traces must have same length, so trim them
wfstream = trim_station_components(wfstream, trim_start=True, trim_end=True)
z, n, e = rotate2zne(wfstream[0], azimuts[0], dips[0],
wfstream[1], azimuts[1], dips[1],
wfstream[2], azimuts[2], dips[2])
print('check4rotated: rotated trace {} to ZNE'.format(trace_id))
# replace old data with rotated data, change the channel code to ZNE
z_index = dips.index(min(
dips)) # get z-trace index, z has minimum dip of -90 (dip is measured from 0 to -90, with -90 being vertical)
wfstream[z_index].data = z
wfstream[z_index].stats.channel = wfstream[z_index].stats.channel[0:-1] + 'Z'
del trace_ids[z_index]
for trace_id in trace_ids:
coordinates = metadata.get_coordinates(trace_id, t_start)
dip, az = coordinates['dip'], coordinates['azimuth']
trace = wfstream.select(id=trace_id)[0]
if az > 315 or az <= 45 or az > 135 and az <= 225:
trace.data = n
trace.stats.channel = trace.stats.channel[0:-1] + 'N'
elif az > 45 and az <= 135 or az > 225 and az <= 315:
trace.data = e
trace.stats.channel = trace.stats.channel[0:-1] + 'E'
try:
z, n, e = rotate2zne(wfstream[0], azimuts[0], dips[0],
wfstream[1], azimuts[1], dips[1],
wfstream[2], azimuts[2], dips[2])
print('check4rotated: rotated trace {} to ZNE'.format(trace_id))
# replace old data with rotated data, change the channel code to ZNE
z_index = dips.index(min(
dips)) # get z-trace index, z has minimum dip of -90 (dip is measured from 0 to -90, with -90 being vertical)
wfstream[z_index].data = z
wfstream[z_index].stats.channel = wfstream[z_index].stats.channel[0:-1] + 'Z'
del trace_ids[z_index]
for trace_id in trace_ids:
coordinates = metadata.get_coordinates(trace_id, t_start)
dip, az = coordinates['dip'], coordinates['azimuth']
trace = wfstream.select(id=trace_id)[0]
if az > 315 or az <= 45 or az > 135 and az <= 225:
trace.data = n
trace.stats.channel = trace.stats.channel[0:-1] + 'N'
elif az > 45 and az <= 135 or az > 225 and az <= 315:
trace.data = e
trace.stats.channel = trace.stats.channel[0:-1] + 'E'
except (ValueError) as e:
print(e)
return wfstream
return wfstream
if metadata is None: