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94 lines
2.8 KiB
94 lines
2.8 KiB
import sys
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from pyrocko import util, io
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from pyrocko.gui.snuffling import Snuffling, load_markers, Param, NoViewerSet
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default_output_filename = '%(eventname)s_%(network)s.%(station)s.%(location)s.%(channel)s.mseed'
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class ExtractEvents(Snuffling):
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'''
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<html>
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<head>
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<style type="text/css">
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body { margin-left:10px };
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</style>
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</head>
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<body>
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<h2 align="center">Extract Waveforms of Events</h2>
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<p>
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Select all event markers for which you want to extract waveforms. Set the
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<b>Start time rel. to event</b> and <b>End time rel. to event</b> and hit
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<b>Run</b>. You can modify the filename template to store
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chopped trace segments in the opening file dialog. Click <b>Save</b>.
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</p>
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</body>
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</html>
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'''
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def setup(self):
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self.set_name('Extract Events')
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self.add_parameter(Param('Start time rel. to event [s]', 'tbeg', 0., -3600., 0.))
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self.add_parameter(Param('End time rel. to event [s]', 'tend', 1200., 0., 3*3600.))
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self.set_live_update(False)
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def call(self):
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p = self.get_pile()
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try:
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markers = self.get_selected_event_markers()
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except NoViewerSet:
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markers = load_markers(self.markers_filename)
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try:
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out_filename = self.output_filename('Template for output files',
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default_output_filename)
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except NoViewerSet:
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out_filename = self.out_filename
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for m in markers:
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event = m.get_event()
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eventname = event.name
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if not eventname:
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eventname = util.time_to_str(event.time, format='%Y-%m-%d_%H-%M-%S')
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traces = p.all(tmin=event.time + self.tbeg,
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tmax=event.time + self.tend)
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io.save(traces, out_filename, additional=dict(
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eventname=eventname))
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def configure_cli_parser(self, parser):
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parser.add_option(
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'--markers',
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dest='markers_filename',
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metavar='FILENAME',
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help='Read markers from FILENAME')
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parser.add_option(
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'--output',
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dest='out_filename',
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default=default_output_filename,
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metavar='FILENAME',
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help='set output filename template (default="%s")' % default_output_filename)
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def __snufflings__():
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return [ExtractEvents()]
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if __name__ == '__main__':
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import logging
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logger = logging.getLogger()
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util.setup_logging('extract_events.py', 'info')
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s = ExtractEvents()
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options, args, parser = s.setup_cli()
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s.markers_filename = options.markers_filename
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s.out_filename = options.out_filename
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if not options.markers_filename:
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logger.critical('no markers file given; use the --markers=FILENAME option')
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sys.exit(1)
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s.call()
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