|
# http://pyrocko.org - GPLv3
#
# The Pyrocko Developers, 21st Century
# ---|P------/S----------~Lg----------
from __future__ import absolute_import, print_function
import time
from pyrocko.io.io_common import get_stats, touch # noqa
from ... import model
Y = 60*60*24*365
def provided_formats():
return ['stationxml']
def detect(first512):
if first512.find(b'<FDSNStationXML') != -1:
return 'stationxml'
return None
def iload(format, file_path, segment, content):
assert format == 'stationxml'
far_future = time.time() + 20*Y
from pyrocko.fdsn import station as fdsn_station
value_or_none = fdsn_station.value_or_none
sx = fdsn_station.load_xml(filename=file_path)
inut = 0
for network in sx.network_list:
for station in network.station_list:
net = network.code
sta = station.code
agn = ''
tmin = station.start_date
tmax = station.end_date
if tmax is not None and tmax > far_future:
tmax = None
station_nut = model.make_station_nut(
file_segment=0,
file_element=inut,
agency=agn,
network=net,
station=sta,
location='*',
tmin=tmin,
tmax=tmax)
if 'station' in content:
station_nut.content = model.Station(
lat=station.latitude.value,
lon=station.longitude.value,
elevation=value_or_none(station.elevation),
**station_nut.station_kwargs)
yield station_nut
inut += 1
for channel in station.channel_list:
cha = channel.code
loc = channel.location_code.strip()
tmin = channel.start_date
tmax = channel.end_date
if tmax is not None and tmax > far_future:
tmax = None
deltat = None
if channel.sample_rate is not None \
and channel.sample_rate.value != 0.0:
deltat = 1.0 / channel.sample_rate.value
nut = model.make_channel_nut(
file_segment=0,
file_element=inut,
agency=agn,
network=net,
station=sta,
location=loc,
channel=cha,
tmin=tmin,
tmax=tmax,
deltat=deltat)
if 'channel' in content:
nut.content = model.Channel(
lat=channel.latitude.value,
lon=channel.longitude.value,
elevation=value_or_none(channel.elevation),
depth=value_or_none(channel.depth),
azimuth=value_or_none(channel.azimuth),
dip=value_or_none(channel.dip),
**nut.channel_kwargs)
yield nut
inut += 1
|