58 lines
1.7 KiB
Python
58 lines
1.7 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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from obspy.core import read
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from obspy.signal.trigger import coincidenceTrigger
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class CoincidenceTimes(object):
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def __init__(self, st, comp='Z', coinum=4, sta=1., lta=10., on=5., off=1.):
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_type = 'recstalta'
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self.coinclist = self.createCoincTriggerlist(data=st, trigcomp=comp,
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coinum=coinum, sta=sta,
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lta=lta, trigon=on,
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trigoff=off, type=_type)
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def __str__(self):
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n = 1
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out = ''
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for time in self.getCoincTimes():
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out += 'event no. {0}: starttime is {1}\n'.format(n, time)
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n += 1
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return out
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def getCoincTimes(self):
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timelist = []
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for info in self.getCoincList():
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timelist.append(info['time'])
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return timelist
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def getCoincList(self):
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return self.coinclist
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def createCoincTriggerlist(self, data, trigcomp, coinum, sta, lta,
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trigon, trigoff, type):
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'''
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uses a coincidence trigger to detect all events in the given
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dataset
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'''
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triggerlist = coincidenceTrigger(type, trigon, trigoff,
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data.select(component=trigcomp),
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coinum, sta=sta, lta=lta)
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return triggerlist
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def main():
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data = read('/data/SDS/2014/1A/ZV??/?H?.D/*.365')
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data.filter(type='bandpass', freqmin=5., freqmax=30.)
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coincs = CoincidenceTimes(data)
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print(coincs)
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if __name__ == '__main__':
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main()
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