def iter_event_names(self,
time_range=None,
nmax=1000,
magmin=None,
latmin=-90.,
latmax=90.,
lonmin=-180.,
lonmax=180.):
logger.debug('In Geofon.iter_event_names(...)')
dmin = time.strftime('%Y-%m-%d', time.gmtime(time_range[0]))
dmax = time.strftime('%Y-%m-%d',
time.gmtime(time_range[1] + 24 * 60 * 60))
if magmin is None:
magmin = ''
else:
magmin = '%g' % magmin
ipage = 1
while True:
url = ('http://geofon.gfz-potsdam.de/eqinfo/list.php?' + '&'.join([
'page=%i' % ipage,
'datemin=%s' % dmin,
'datemax=%s' % dmax,
'latmin=%g' % latmin,
'latmax=%g' % latmax,
'lonmin=%g' % lonmin,
'lonmax=%g' % lonmax,
'magmin=%s' % magmin, 'fmt=geojson',
'nmax=%i' % nmax
]))
logger.debug('Opening URL: %s' % url)
page = urlopen(url).read()
logger.debug('Received page (%i bytes)' % len(page))
events = self._parse_events_page(page)
for ev in events:
if ev.moment_tensor is True:
ev.moment_tensor = self.get_mt(ev)
if not events:
break
for ev in events:
if time_range[0] <= ev.time and ev.time <= time_range[1]:
self.events[ev.name] = ev
yield ev.name
ipage += 1
def iter_event_names(self,
time_range=None,
magmin=0.,
magmax=10.,
latmin=-90.,
latmax=90.,
lonmin=-180.,
lonmax=180.,
depthmin=0.,
depthmax=1000 * km):
yearbeg, monbeg, daybeg = time.gmtime(time_range[0])[:3]
yearend, monend, dayend = time.gmtime(time_range[1])[:3]
url = 'http://www.globalcmt.org/cgi-bin/globalcmt-cgi-bin/CMT5/form?' \
+ '&'.join([
'itype=ymd',
'yr=%i' % yearbeg, 'mo=%i' % monbeg, 'day=%i' % daybeg,
'otype=ymd',
'oyr=%i' % yearend, 'omo=%i' % monend, 'oday=%i' % dayend,
'jyr=1976', 'jday=1', 'ojyr=1976', 'ojday=1', 'nday=1',
'lmw=%g' % magmin, 'umw=%g' % magmax,
'lms=0', 'ums=10',
'lmb=0', 'umb=10',
'llat=%g' % latmin, 'ulat=%g' % latmax,
'llon=%g' % lonmin, 'ulon=%g' % lonmax,
'lhd=%g' % (depthmin/km), 'uhd=%g' % (depthmax/km),
'lts=-9999', 'uts=9999',
'lpe1=0', 'upe1=90',
'lpe2=0', 'upe2=90',
'list=5'])
while True:
logger.debug('Opening URL: %s' % url)
req = Request(url)
page = urlopen(req).read()
logger.debug('Received page (%i bytes)' % len(page))
events, more = self._parse_events_page(page)
for ev in events:
self.events[ev.name] = ev
for ev in events:
if time_range[0] <= ev.time and ev.time <= time_range[1]:
yield ev.name
if more:
url = more.decode('ascii')
else:
break
def get_mt(self, ev):
syear = time.strftime('%Y', time.gmtime(ev.time))
url = 'http://geofon.gfz-potsdam.de/data/alerts/%s/%s/mt.txt' % (
syear, ev.name)
try:
logger.debug('Opening URL: %s' % url)
page = urlopen(url).read()
logger.debug('Received page (%i bytes)' % len(page))
except util.HTTPError:
logger.warning('No MT found for event "%s".' % ev.name)
return None
return self._parse_mt_page(page)
def iter_event_names(self,
time_range=None,
magmin=None,
magmax=None,
latmin=-90.,
latmax=90.,
lonmin=-180.,
lonmax=180.):
p = []
a = p.append
a('out_format=CATQuakeML')
a('request=REVIEWED')
a('searchshape=RECT')
self.append_time_params(a, time_range)
if magmin:
a('min_mag=%g' % magmin)
if magmax:
a('max_mag=%g' % magmax)
a('bot_lat=%g' % latmin)
a('top_lat=%g' % latmax)
a('left_lon=%g' % lonmin)
a('right_lon=%g' % lonmax)
url = 'http://www.isc.ac.uk/cgi-bin/web-db-v4?' + '&'.join(p)
logger.debug('Opening URL: %s' % url)
page = urlopen(url).read().decode()
logger.debug('Received page (%i bytes)' % len(page))
if 'The search could not be run due to problems' in page:
logger.warn('%s\nurl: %s' % (page, url))
return
elif 'No events were found.' in page:
logger.info('No events were found.')
events = []
else:
data = quakeml.QuakeML.load_xml(string=page)
events = data.get_pyrocko_events()
for ev in events:
self.events[ev.name] = ev
for ev in events:
if time_range[0] <= ev.time and ev.time <= time_range[1]:
yield ev.name
def get_phase_markers(self, time_range, station_codes, phases):
'''Download phase picks from ISC catalog and return them as a list
of `pyrocko.gui.PhaseMarker` instances.
:param time_range: Tuple with (tmin tmax)
:param station_codes: List with ISC station codes
(see http://www.isc.ac.uk/cgi-bin/stations?lista).
If `station_codes` is 'global', query all ISC stations.
:param phases: List of seismic phases. (e.g. ['P', 'PcP']
'''
p = []
a = p.append
a('out_format=QuakeML')
a('request=STNARRIVALS')
if station_codes == 'global':
a('stnsearch=GLOBAL')
else:
a('stnsearch=STN')
a('sta_list=%s' % ','.join(station_codes))
a('phaselist=%s' % ','.join(phases))
self.append_time_params(a, time_range)
url = 'http://www.isc.ac.uk/cgi-bin/web-db-v4?' + '&'.join(p)
logger.debug('Opening URL: %s' % url)
page = urlopen(url)
page = page.read().decode()
if 'No stations were found.' in page:
logger.info('No stations were found.')
return []
logger.debug('Received page (%i bytes)' % len(page))
data = quakeml.QuakeML.load_xml(string=page)
markers = data.get_pyrocko_phase_markers()
markers = self.replace_isc_codes(markers)
return markers
def ws_request(url, post=False, **kwargs):
url_values = urlencode(kwargs)
url = url + '?' + url_values
logger.debug('Accessing URL %s' % url)
req = Request(url)
if post:
req.add_data(post)
req.add_header('Accept', '*/*')
try:
return urlopen(req)
except HTTPError as e:
if e.code == 404:
raise NotFound(url)
else:
raise e
def download_file(fn, dirpath):
url = base_url + '/' + fn
fpath = op.join(dirpath, fn)
logger.info('starting download of %s' % url)
util.ensuredirs(fpath)
f = urlopen(url)
fpath_tmp = fpath + '.%i.temp' % os.getpid()
g = open(fpath_tmp, 'wb')
while True:
data = f.read(1024)
if not data:
break
g.write(data)
g.close()
f.close()
os.rename(fpath_tmp, fpath)
logger.info('finished download of %s' % url)
def get_event(self, name):
logger.debug('In Geofon.get_event("%s")' % name)
if name not in self.events:
url = 'http://geofon.gfz-potsdam.de/eqinfo/event.php' \
'?id=%s&fmt=geojson' % name
logger.debug('Opening URL: %s' % url)
page = urlopen(url).read()
logger.debug('Received page (%i bytes)' % len(page))
try:
ev = self._parse_event_page(page)
self.events[name] = ev
except NotFound:
raise NotFound(url) # reraise with url
ev = self.events[name]
if ev.moment_tensor is True:
ev.moment_tensor = self.get_mt(ev)
return ev
def test_url_alive(self):
# Test urls which are used as references in pyrocko if they still
# exist.
to_check = [
('http://nappe.wustl.edu/antelope/css-formats/wfdisc.htm',
'pyrocko.css'),
('http://www.ietf.org/timezones/data/leap-seconds.list',
'pyrocko.config'),
('http://stackoverflow.com/questions/2417794/', 'cake_plot'),
('http://igppweb.ucsd.edu/~gabi/rem.html', 'crust2x2_data'),
('https://mirror.pyrocko.org/gsc20130501.txt', 'crustdb'),
('https://mirror.pyrocko.org/download.geonames.org/export/dump/',
'geonames'), # noqa
('http://emolch.github.io/gmtpy/', 'gmtpy'),
('http://www.apache.org/licenses/LICENSE-2.0', 'kagan.py'),
('http://www.opengis.net/kml/2.2', 'model'),
('http://maps.google.com/mapfiles/kml/paddle/S.png', 'model'),
('http://de.wikipedia.org/wiki/Orthodrome', 'orthodrome'),
('https://mirror.pyrocko.org/peterbird.name/oldFTP/PB2002',
'tectonics'), # noqa
('https://mirror.pyrocko.org/gsrm.unavco.org/model', 'tectonics'),
('http://stackoverflow.com/questions/19332902/', 'util'),
]
for url, label in to_check:
try:
try:
req = Request(url, method='HEAD')
except TypeError:
req = Request(url)
f = urlopen(req)
f.close()
except Exception as e:
logger.warn('%s - %s referenced in pyrocko.%s' %
(e, url, label))
def retrieve(self):
url = 'http://home.uni-leipzig.de/collm/auswertung_temp.html'
f = urlopen(url)
text = f.read()
sec = 0
events = {}
for line in text.splitlines():
line = line.strip()
if line == '<PRE>':
sec += 1
continue
if sec == 1 and not line:
sec += 1
continue
if sec == 1:
t = line.split(' ', 1)
name = t[0]
sdate = t[1][0:11]
stime = t[1][12:22]
sloc = t[1][23:36]
sdepth = t[1][37:42]
smag = t[1][51:55]
region = t[1][60:]
sday, smon, syear = sdate.split('-')
smon = {
'Jan': '01',
'Feb': '02',
'Mar': '03',
'Apr': '04',
'Mai': '05',
'Jun': '06',
'Jul': '07',
'Aug': '08',
'Sep': '09',
'Okt': '10',
'Nov': '11',
'Dez': '12'
}[smon]
time = util.str_to_time('%s-%s-%s %s' %
(syear, smon, sday, stime))
slat, slon = sloc.split(';')
ev = model.event.Event(time=time,
lat=float(slat),
lon=float(slon),
depth=float(sdepth) * 1000.,
magnitude=float(smag),
magnitude_type='Ml',
name=name,
region=region,
catalog='Saxony')
events[name] = ev
self._events = events
