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Additional phases output for further VELEST processing.

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This commit is contained in:
Ludger Küperkoch 2017-03-02 09:20:17 +01:00
parent 008d730609
commit cf1ed748d2
1 changed files with 64 additions and 2 deletions
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66
pylot/core/io/phases.py
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@ -1,6 +1,7 @@
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import pdb
import glob
import obspy.core.event as ope
import os
@ -383,7 +384,7 @@ def reassess_pilot_event(root_dir, db_dir, event_id, out_dir=None, fn_param=None
#evt.write(fnout_prefix + 'cnv', format='VELEST')
def writephases(arrivals, fformat, filename, parameter):
def writephases(arrivals, fformat, filename, parameter, eventinfo=None):
"""
Function of methods to write phases to the following standard file
formats used for locating earthquakes:
@ -405,6 +406,9 @@ def writephases(arrivals, fformat, filename, parameter):
:param: parameter, all input information
:type: object
:param: eventinfo, optional, source time needed for VELEST-cnv format
:type: list object
"""
if fformat == 'NLLoc':
@ -485,7 +489,7 @@ def writephases(arrivals, fformat, filename, parameter):
for key in arrivals:
if arrivals[key]['P']['weight'] < 4:
stat = key
if len(stat) > 4:
if len(stat) > 4: # HYPO71 handles only 4-string station IDs
stat = stat[1:5]
Ponset = arrivals[key]['P']['mpp']
Sonset = arrivals[key]['S']['mpp']
@ -595,6 +599,64 @@ def writephases(arrivals, fformat, filename, parameter):
% (key, syear, smonth, sday, shh, smm, Sss, sstd))
fid.close()
elif fformat == 'VELEST':
print ("Writing phases to %s for VELEST" % filename)
fid = open("%s" % filename, 'w')
# get informations needed in cnv-file
# check, whether latitude is N or S and longitude is E or W
eventsource = eventinfo.origins[0]
if eventsource['latitude'] < 0:
cns = 'S'
else:
cns = 'N'
if eventsource['longitude'] < 0:
cew = 'W'
else:
cew = 'E'
# get last two integers of origin year
stime = eventsource['time']
if stime.year - 2000 >= 0:
syear = stime.year - 2000
else:
syear = stime.year - 1900
ifx = 0 # default value, see VELEST manual, pp. 22-23
# write header
fid.write('%s%02d%02d %02d%02d %05.2f %7.4f%c %8.4f%c %7.2f %6.2f %02.0f 0.0 0.03 1.0 1.0\n' % (
syear, stime.month, stime.day, stime.hour, stime.minute, stime.second, eventsource['latitude'],
cns, eventsource['longitude'], cew, eventsource['depth'],eventinfo.magnitudes[0]['mag'], ifx))
n = 0
for key in arrivals:
# P onsets
if arrivals[key].has_key('P'):
if arrivals[key]['P']['weight'] < 4:
n += 1
stat = key
if len(stat) > 4: # VELEST handles only 4-string station IDs
stat = stat[1:5]
Ponset = arrivals[key]['P']['mpp']
Pweight = arrivals[key]['P']['weight']
Prt = Ponset - stime # onset time relative to source time
if n % 6 is not 0:
fid.write('%-4sP%d%6.2f' % (stat, Pweight, Prt))
else:
fid.write('%-4sP%d%6.2f\n' % (stat, Pweight, Prt))
# S onsets
if arrivals[key].has_key('S'):
if arrivals[key]['S']['weight'] < 4:
n += 1
stat = key
if len(stat) > 4: # VELEST handles only 4-string station IDs
stat = stat[1:5]
Sonset = arrivals[key]['S']['mpp']
Sweight = arrivals[key]['S']['weight']
Srt = Ponset - stime # onset time relative to source time
if n % 6 is not 0:
fid.write('%-4sS%d%6.2f' % (stat, Sweight, Srt))
else:
fid.write('%-4sS%d%6.2f\n' % (stat, Sweight, Srt))
fid.close()
def merge_picks(event, picks):
"""
takes an event object and a list of picks and searches for matching