[new] module "nll" containing utility function to handle NonLinLoc input and output as well as execution of the external program from python
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pylot/core/loc/nll.py
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60
pylot/core/loc/nll.py
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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import subprocess
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from obspy.core.event import readEvents
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from pylot.core.pick.utils import writephases
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def picksExport(picks, phasefile):
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'''
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Take <picks> dictionary and exports picking data to a NLLOC-obs <phasefile> without creating an ObsPy event object.
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:param picks: picking data dictionary
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:type picks: dict
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:param phasefile: complete path to the exporting obs file
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:type phasefile: str
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'''
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# write phases to NLLoc-phase file
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writephases(picks, 'NLLoc', phasefile)
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def modfiyInputFile(fn, root, outpath, phasefile, tttable):
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'''
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:param fn:
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:param root:
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:param outpath:
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:param phasefile:
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:param tttable:
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:return:
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'''
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# For locating the event we have to modify the NLLoc-control file!
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# create comment line for NLLoc-control file NLLoc-output file
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print ("Modifying NLLoc-control file %s ..." % fn)
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nllocout = '%s/loc/%s_%s' % (root, outpath)
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locfiles = 'LOCFILES %s NLLOC_OBS %s %s 0' % (phasefile, tttable, nllocout)
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# modification of NLLoc-control file
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nllfile = open(fn, 'r')
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filedata = nllfile.read()
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if filedata.find(locfiles) < 0:
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# replace old command
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filedata = filedata.replace('LOCFILES', locfiles)
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nllfile = open(fn, 'w')
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nllfile.write(filedata)
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nllfile.close()
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def locate(call, fnin):
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'''
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Takes paths to NLLoc executable <call> and input parameter file <fnin> and starts the location calculation.
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:param call: full path to NLLoc executable
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:type call: str
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:param fnin: full path to input parameter file
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:type fnin: str
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'''
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# locate the event
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subprocess.call([call, fnin])
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def readLocation(fn):
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pass
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if __name__=='__main__':
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pass
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