marcel/pylot
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[add] handling missing traces

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either a missing vertical or missing both vertical traces in the wfstream will fail picking and return None. This is the same behaviour as before refactoring.
This commit is contained in:
Darius Arnold 2018-07-20 10:39:28 +02:00
parent 27f5a0d50c
commit 318ca25ef8
1 changed files with 22 additions and 8 deletions
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26
pylot/core/pick/autopick.py
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@ -264,25 +264,38 @@ class AutopickStation(object):
self.metadata = metadata self.metadata = metadata
self.origin = origin self.origin = origin
# initialize picking results
self.p_results = PickingResults()
self.s_results = PickingResults()
# extract additional information # extract additional information
pickparams = self.extract_pickparams(pickparam) pickparams = self.extract_pickparams(pickparam)
self.p_params, self.s_params, self.first_motion_params, self.signal_length_params = pickparams self.p_params, self.s_params, self.first_motion_params, self.signal_length_params = pickparams
self.results = PickingResults() self.results = PickingResults()
self.channelorder = {'Z': 3, 'N': 1, 'E': 2} # TODO get this from the pylot preferences # TODO get channelorder from the pylot preferences
self.channelorder = {'Z': 3, 'N': 1, 'E': 2}
self.station_name = wfstream[0].stats.station self.station_name = wfstream[0].stats.station
self.network_name = wfstream[0].stats.network self.network_name = wfstream[0].stats.network
self.station_id = '{}.{}'.format(self.network_name, self.station_name) self.station_id = '{}.{}'.format(self.network_name, self.station_name)
# save streams and traces # save streams and traces
# TODO: error handling of missing traces
self.zstream, self.nstream, self.estream = self.get_components_from_waveformstream() self.zstream, self.nstream, self.estream = self.get_components_from_waveformstream()
if len(self.zstream) == 0:
msg = 'No Z-component found for station {}. STOP'.format(self.wfstream[0].stats.station)
raise MissingTraceException(msg)
if len(self.nstream) == len(self.estream) == 0:
#TODO correct handling of missing both horizontal traces
msg = 'No horizontal traces found for station {}. STOP'.format(self.wfstream[0].stats.station)
raise MissingTraceException(msg)
self.ztrace = self.zstream[0] self.ztrace = self.zstream[0]
try: try:
self.ntrace = self.nstream[0] self.ntrace = self.nstream[0]
except IndexError: except IndexError:
# if N trace is misisng, copy E trace
self.nstream = self.estream self.nstream = self.estream
self.ntrace = self.nstream[0] self.ntrace = self.nstream[0]
try: try:
# if E trace is missing, copy N trace
self.etrace = self.estream[0] self.etrace = self.estream[0]
except IndexError: except IndexError:
self.estream = self.nstream self.estream = self.nstream
@ -295,10 +308,6 @@ class AutopickStation(object):
self.taper_max_percentage = 0.05 self.taper_max_percentage = 0.05
self.taper_type = 'hann' self.taper_type = 'hann'
# initialize picking results
self.p_results = PickingResults()
self.s_results = PickingResults()
def vprint(self, s): def vprint(self, s):
"""Only print statement if verbose picking is set to true.""" """Only print statement if verbose picking is set to true."""
if self.verbose: if self.verbose:
@ -1039,8 +1048,13 @@ def get_fig_from_figdict(figdict, figkey):
def autopickstation(wfstream, pickparam, verbose=False, iplot=0, fig_dict=None, metadata=None, origin=None): def autopickstation(wfstream, pickparam, verbose=False, iplot=0, fig_dict=None, metadata=None, origin=None):
try:
station = AutopickStation(wfstream, pickparam, verbose, iplot, fig_dict, metadata, origin) station = AutopickStation(wfstream, pickparam, verbose, iplot, fig_dict, metadata, origin)
return station.autopickstation() return station.autopickstation()
except MissingTraceException as e:
# Either vertical or both horizontal traces are missing, autopickstation() will return default results
print(e)
return None
def nautopickstation(wfstream, pickparam, verbose=False, def nautopickstation(wfstream, pickparam, verbose=False,