[update] tau-p usage for s-picking
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@ -429,7 +429,7 @@ class AutopickStation(object):
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if station_coords is None:
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exit_taupy()
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raise AttributeError('Warning: Could not find station in metadata')
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# TODO raise when metadata.get_coordinates returns None
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# TODO: raise when metadata.get_coordinates returns None
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source_origin = origin[0]
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model = TauPyModel(taup_model)
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taup_phases = self.pickparams['taup_phases']
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@ -471,11 +471,13 @@ class AutopickStation(object):
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"""If taupy failed to calculate theoretical starttimes, picking continues.
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For this a clean exit is required, since the P starttime is no longer relative to the theoretic onset but
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to the vertical trace starttime, eg. it can't be < 0."""
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# TODO here the pickparams is modified, instead of a copy
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if self.pickparams["pstart"] < 0:
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# TODO here the pickparams is modified, instead of a copy
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self.pickparams["pstart"] = 0
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if self.pickparams["sstart"] < 0:
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self.pickparams["sstart"] = 0
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if self.pickparams["use_taup"] is False:
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if get_Bool(self.pickparams["use_taup"]) is False:
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# correct user mistake where a relative cuttime is selected (pstart < 0) but use of taupy is disabled/ has
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# not the required parameters
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exit_taupy()
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@ -499,6 +501,20 @@ class AutopickStation(object):
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self.pickparams["pstart"] = max(self.pickparams["pstart"], 0)
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self.pickparams["pstop"] = min(self.pickparams["pstop"], len(self.ztrace) * self.ztrace.stats.delta)
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if self.horizontal_traces_exist():
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# for the two horizontal components take earliest and latest time to make sure that the s onset is not clipped
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# if start and endtime of horizontal traces differ, the s windowsize will automatically increase
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trace_s_start = min([self.etrace.stats.starttime, self.ntrace.stats.starttime])
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# modifiy sstart and sstop relative to estimated first S arrival (relative to station time axis)
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self.pickparams["sstart"] += (self.origin[0].time + estFirstS) - trace_s_start
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self.pickparams["sstop"] += (self.origin[0].time + estFirstS) - trace_s_start
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print('autopick: CF calculation times respectively:'
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' sstart: {} s, sstop: {} s'.format(self.pickparams["sstart"], self.pickparams["sstop"]))
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# make sure pstart and pstop are inside the starttime/endtime of horizontal traces
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self.pickparams["sstart"] = max(self.pickparams["sstart"], 0)
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self.pickparams["sstop"] = min(self.pickparams["sstop"], len(self.ntrace) * self.ntrace.stats.delta,
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len(self.etrace) * self.etrace.stats.delta)
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def autopickstation(self):
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"""
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Main function of autopickstation, which calculates P and S picks and returns them in a dictionary.
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@ -508,6 +524,17 @@ class AutopickStation(object):
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station's value is the station name on which the picks were calculated.
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:rtype: dict
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"""
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if get_Bool(self.pickparams['use_taup']) is True and self.origin is not None:
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try:
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# modify pstart, pstop, sstart, sstop to be around theoretical onset if taupy should be used,
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# else do nothing
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self.modify_starttimes_taupy()
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except AttributeError as ae:
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print(ae)
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except MissingTraceException as mte:
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print(mte)
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try:
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self.pick_p_phase()
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except MissingTraceException as mte:
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@ -515,13 +542,15 @@ class AutopickStation(object):
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except PickingFailedException as pfe:
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print(pfe)
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if self.horizontal_traces_exist() and self.p_results.weight is not None and self.p_results.weight < 4:
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try:
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self.pick_s_phase()
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except MissingTraceException as mte:
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print(mte)
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except PickingFailedException as pfe:
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print(pfe)
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if self.horizontal_traces_exist():
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if (self.p_results.weight is not None and self.p_results.weight < 4) or \
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get_Bool(self.pickparams.get('use_taup')):
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try:
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self.pick_s_phase()
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except MissingTraceException as mte:
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print(mte)
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except PickingFailedException as pfe:
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print(pfe)
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self.plot_pick_results()
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self.finish_picking()
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@ -796,15 +825,6 @@ class AutopickStation(object):
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# save filtered trace in instance for later plotting
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self.tr_filt_z_bpz2 = tr_filt
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if get_Bool(self.pickparams['use_taup']) is True and self.origin is not None:
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try:
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# modify pstart, pstop to be around theoretical onset if taupy should be used, else does nothing
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self.modify_starttimes_taupy()
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except AttributeError as ae:
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print(ae)
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except MissingTraceException as mte:
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print(mte)
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Lc = self.pickparams['pstop'] - self.pickparams['pstart']
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Lwf = self.ztrace.stats.endtime - self.ztrace.stats.starttime
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@ -1128,9 +1148,11 @@ class AutopickStation(object):
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''.format(self.s_results.weight, self.s_results.snr, self.s_results.snrdb))
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def pick_s_phase(self):
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# determine time window for calculating CF after P onset
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cuttimesh = self._calculate_cuttimes(type='S', iteration=1)
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if get_Bool(self.pickparams.get('use_taup')) is True:
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cuttimesh = (self.pickparams.get('sstart'), self.pickparams.get('sstop'))
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else:
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# determine time window for calculating CF after P onset
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cuttimesh = self._calculate_cuttimes(type='S', iteration=1)
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# calculate autoregressive CF
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self.arhcf1 = self._calculate_autoregressive_cf_s_pick(cuttimesh)
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