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# http://pyrocko.org - GPLv3
#
# The Pyrocko Developers, 21st Century
# ---|P------/S----------~Lg----------
from __future__ import absolute_import, print_function
from pyrocko.io.io_common import get_stats, touch # noqa
from ... import model
SEGMENT_SIZE = 1024*1024
def provided_formats():
return ['mseed']
def detect(first512):
from pyrocko import mseed
if mseed.detect(first512):
return 'mseed'
else:
return None
def iload(format, file_path, segment, content):
assert format == 'mseed'
from pyrocko import mseed
load_data = 'waveform' in content
if segment is None:
offset = 0
nsegments = 0
else:
offset = segment
nsegments = 1
file_segment = None
itr = 0
for tr in mseed.iload(
file_path, load_data=load_data,
offset=offset, segment_size=SEGMENT_SIZE, nsegments=nsegments):
if file_segment != tr.meta['offset_start']:
itr = 0
file_segment = tr.meta['offset_start']
nsamples = int(round((tr.tmax - tr.tmin) / tr.deltat)) + 1
nut = model.make_waveform_nut(
file_segment=file_segment,
file_element=itr,
agency='',
network=tr.network,
station=tr.station,
location=tr.location,
channel=tr.channel,
tmin=tr.tmin,
tmax=tr.tmin + tr.deltat * nsamples,
deltat=tr.deltat)
if 'waveform' in content:
nut.content = tr
yield nut
itr += 1
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