305 lines
15 KiB
Python
Executable File
305 lines
15 KiB
Python
Executable File
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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from __future__ import print_function
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import argparse
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import glob
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import os
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from obspy import read_events
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import pylot.core.loc.hyposat as hyposat
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import pylot.core.loc.hypo71 as hypo71
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import pylot.core.loc.velest as velest
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import pylot.core.loc.hypodd as hypodd
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import pylot.core.loc.focmec as focmec
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import pylot.core.loc.hash as hash
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import pylot.core.loc.nll as nll
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from pylot.core.analysis.magnitude import MomentMagnitude, RichterMagnitude
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from pylot.core.io.data import Data
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from pylot.core.io.inputs import AutoPickParameter
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from pylot.core.pick.autopick import autopickevent, iteratepicker
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from pylot.core.util.dataprocessing import restitute_data, read_metadata, \
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remove_underscores
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from pylot.core.util.structure import DATASTRUCTURE
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from pylot.core.util.version import get_git_version as _getVersionString
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__version__ = _getVersionString()
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def autoPyLoT(inputfile):
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"""
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Determine phase onsets automatically utilizing the automatic picking
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algorithms by Kueperkoch et al. 2010/2012.
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:param inputfile: path to the input file containing all parameter
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information for automatic picking (for formatting details, see.
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`~pylot.core.io.inputs.AutoPickParameter`
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:type inputfile: str
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:return:
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.. rubric:: Example
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"""
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splash = '''************************************\n
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*********autoPyLoT starting*********\n
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The Python picking and Location Tool\n
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Version {version} 2015\n
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\n
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Authors:\n
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S. Wehling-Benatelli (Ruhr-Universität Bochum)\n
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L. Küperkoch (BESTEC GmbH, Landau i. d. Pfalz)\n
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K. Olbert (Christian-Albrechts Universität zu Kiel)\n
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***********************************'''.format(version=_getVersionString())
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print(splash)
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# reading parameter file
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parameter = AutoPickParameter(inputfile)
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data = Data()
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evt = None
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# getting information on data structure
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if parameter.hasParam('datastructure'):
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datastructure = DATASTRUCTURE[parameter.get('datastructure')]()
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dsfields = {'root': parameter.get('rootpath'),
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'dpath': parameter.get('datapath'),
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'dbase': parameter.get('database')}
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exf = ['root', 'dpath', 'dbase']
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if parameter.hasParam('eventID'):
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dsfields['eventID'] = parameter.get('eventID')
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exf.append('eventID')
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datastructure.modifyFields(**dsfields)
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datastructure.setExpandFields(exf)
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# check if default location routine NLLoc is available
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if parameter.hasParam('nllocbin'):
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locflag = 1
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# get NLLoc-root path
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nllocroot = parameter.get('nllocroot')
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# get path to NLLoc executable
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nllocbin = parameter.get('nllocbin')
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nlloccall = '%s/NLLoc' % nllocbin
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# get name of phase file
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phasef = parameter.get('phasefile')
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phasefile = '%s/obs/%s' % (nllocroot, phasef)
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# get name of NLLoc-control file
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ctrf = parameter.get('ctrfile')
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ctrfile = '%s/run/%s' % (nllocroot, ctrf)
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# pattern of NLLoc ttimes from location grid
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ttpat = parameter.get('ttpatter')
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# pattern of NLLoc-output file
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nllocoutpatter = parameter.get('outpatter')
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maxnumit = 3 # maximum number of iterations for re-picking
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else:
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locflag = 0
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print(" !!! ")
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print("!!No location routine available, autoPyLoT is running in non-location mode!!")
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print("!!No source parameter estimation possible!!")
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print(" !!! ")
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datapath = datastructure.expandDataPath()
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if not parameter.hasParam('eventID'):
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# multiple event processing
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# read each event in database
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events = [events for events in glob.glob(os.path.join(datapath, '*')) if os.path.isdir(events)]
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else:
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# single event processing
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events = glob.glob(os.path.join(datapath, parameter.get('eventID')))
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for event in events:
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data.setWFData(glob.glob(os.path.join(datapath, event, '*')))
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evID = os.path.split(event)[-1]
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# the following is necessary because within
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# multiple event processing no event ID is provided
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# in autopylot.in
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try:
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parameter.get('eventID')
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except:
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parameter.setParam(eventID=event)
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print('Working on event %s' % event)
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print(data)
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wfdat = data.getWFData() # all available streams
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wfdat = remove_underscores(wfdat)
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metadata = read_metadata(parameter.get('invdir'))
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corr_dat, rest_flag = restitute_data(wfdat.copy(), *metadata)
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##########################################################
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# !automated picking starts here!
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picks = autopickevent(wfdat, parameter)
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##########################################################
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# locating
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if locflag == 1:
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# write phases to NLLoc-phase file
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nll.export(picks, phasefile, parameter)
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# For locating the event the NLLoc-control file has to be modified!
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nllocout = '%s_%s' % (evID, nllocoutpatter)
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# create comment line for NLLoc-control file
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nll.modify_inputs(ctrf, nllocroot, nllocout, phasef,
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ttpat)
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# locate the event
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nll.locate(ctrfile, inputfile)
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# !iterative picking if traces remained unpicked or occupied with bad picks!
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# get theoretical onset times for picks with weights >= 4
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# in order to reprocess them using smaller time windows around theoretical onset
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# get stations with bad onsets
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badpicks = []
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for key in picks:
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if picks[key]['P']['weight'] >= 4 or picks[key]['S']['weight'] >= 4:
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badpicks.append([key, picks[key]['P']['mpp']])
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# TODO keep code DRY (Don't Repeat Yourself) the following part is written twice
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# suggestion: delete block and modify the later similar block to work properly
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if len(badpicks) == 0:
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print("autoPyLoT: No bad onsets found, thus no iterative picking necessary!")
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# get NLLoc-location file
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locsearch = '%s/loc/%s.????????.??????.grid?.loc.hyp' % (nllocroot, nllocout)
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if len(glob.glob(locsearch)) > 0:
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# get latest NLLoc-location file if several are available
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nllocfile = max(glob.glob(locsearch), key=os.path.getctime)
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evt = read_events(nllocfile)[0]
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# calculating seismic moment Mo and moment magnitude Mw
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moment_mag = MomentMagnitude(corr_dat, evt, parameter.get('vp'),
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parameter.get('Qp'),
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parameter.get('rho'), True, \
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parameter.get('iplot'))
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# update pick with moment property values (w0, fc, Mo)
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for station, props in moment_mag.moment_props.items():
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picks[station]['P'].update(props)
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evt = moment_mag.updated_event()
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local_mag = RichterMagnitude(corr_dat, evt,
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parameter.get('sstop'), True,\
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parameter.get('iplot'))
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for station, amplitude in local_mag.amplitudes.items():
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picks[station]['S']['Ao'] = amplitude.generic_amplitude
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evt = local_mag.updated_event()
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else:
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print("autoPyLoT: No NLLoc-location file available!")
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print("No source parameter estimation possible!")
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else:
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# get theoretical P-onset times from NLLoc-location file
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locsearch = '%s/loc/%s.????????.??????.grid?.loc.hyp' % (nllocroot, nllocout)
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if len(glob.glob(locsearch)) > 0:
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# get latest file if several are available
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nllocfile = max(glob.glob(locsearch), key=os.path.getctime)
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nlloccounter = 0
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while len(badpicks) > 0 and nlloccounter <= maxnumit:
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nlloccounter += 1
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if nlloccounter > maxnumit:
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print("autoPyLoT: Number of maximum iterations reached, stop iterative picking!")
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break
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print("autoPyLoT: Starting with iteration No. %d ..." % nlloccounter)
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picks = iteratepicker(wfdat, nllocfile, picks, badpicks, parameter)
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# write phases to NLLoc-phase file
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nll.export(picks, phasefile, parameter)
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# remove actual NLLoc-location file to keep only the last
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os.remove(nllocfile)
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# locate the event
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nll.locate(ctrfile, inputfile)
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print("autoPyLoT: Iteration No. %d finished." % nlloccounter)
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# get updated NLLoc-location file
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nllocfile = max(glob.glob(locsearch), key=os.path.getctime)
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# check for bad picks
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badpicks = []
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for key in picks:
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if picks[key]['P']['weight'] >= 4 or picks[key]['S']['weight'] >= 4:
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badpicks.append([key, picks[key]['P']['mpp']])
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print("autoPyLoT: After iteration No. %d: %d bad onsets found ..." % (nlloccounter, \
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len(badpicks)))
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if len(badpicks) == 0:
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print("autoPyLoT: No more bad onsets found, stop iterative picking!")
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nlloccounter = maxnumit
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evt = read_events(nllocfile)[0]
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# calculating seismic moment Mo and moment magnitude Mw
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moment_mag = MomentMagnitude(corr_dat, evt, parameter.get('vp'),
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parameter.get('Qp'),
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parameter.get('rho'), True, \
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parameter.get('iplot'))
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# update pick with moment property values (w0, fc, Mo)
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for station, props in moment_mag.moment_props.items():
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picks[station]['P'].update(props)
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evt = moment_mag.updated_event()
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local_mag = RichterMagnitude(corr_dat, evt,
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parameter.get('sstop'), True, \
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parameter.get('iplot'))
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for station, amplitude in local_mag.amplitudes.items():
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picks[station]['S']['Ao'] = amplitude.generic_amplitude
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evt = local_mag.updated_event()
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net_mw = moment_mag.net_magnitude()
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print("Network moment magnitude: %4.1f" % net_mw.mag)
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else:
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print("autoPyLoT: No NLLoc-location file available! Stop iteration!")
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locflag = 9
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##########################################################
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# write phase files for various location
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# and fault mechanism calculation routines
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# ObsPy event object
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data.applyEVTData(picks)
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if evt is not None:
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data.applyEVTData(evt, 'event')
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fnqml = '%s/autoPyLoT' % event
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data.exportEvent(fnqml)
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# HYPO71
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hypo71file = '%s/autoPyLoT_HYPO71_phases' % event
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hypo71.export(picks, hypo71file, parameter)
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# HYPOSAT
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hyposatfile = '%s/autoPyLoT_HYPOSAT_phases' % event
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hyposat.export(picks, hyposatfile, parameter)
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if locflag == 1:
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# VELEST
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velestfile = '%s/autoPyLoT_VELEST_phases.cnv' % event
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velest.export(picks, velestfile, parameter, evt)
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# hypoDD
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hypoddfile = '%s/autoPyLoT_hypoDD_phases.pha' % event
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hypodd.export(picks, hypoddfile, parameter, evt)
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# FOCMEC
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focmecfile = '%s/autoPyLoT_FOCMEC.in' % event
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focmec.export(picks, focmecfile, parameter, evt)
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# HASH
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hashfile = '%s/autoPyLoT_HASH' % event
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hash.export(picks, hashfile, parameter, evt)
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endsplash = '''------------------------------------------\n'
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-----Finished event %s!-----\n'
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------------------------------------------'''.format \
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(version=_getVersionString()) % evID
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print(endsplash)
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if locflag == 0:
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print("autoPyLoT was running in non-location mode!")
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endsp = '''####################################\n
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************************************\n
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*********autoPyLoT terminates*******\n
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The Python picking and Location Tool\n
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************************************'''.format(version=_getVersionString())
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print(endsp)
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if __name__ == "__main__":
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from pylot.core.util.defaults import AUTOMATIC_DEFAULTS
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# parse arguments
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parser = argparse.ArgumentParser(
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description='''autoPyLoT automatically picks phase onset times using higher order statistics,
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autoregressive prediction and AIC''')
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parser.add_argument('-i', '-I', '--inputfile', type=str,
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action='store',
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help='''full path to the file containing the input
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parameters for autoPyLoT''',
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default=AUTOMATIC_DEFAULTS
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)
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parser.add_argument('-v', '-V', '--version', action='version',
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version='autoPyLoT ' + __version__,
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help='show version information and exit')
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cla = parser.parse_args()
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autoPyLoT(str(cla.inputfile))
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