def test_parse_obspy_objects():
"""
Tests parsing from ObsPy objects.
"""
cat = obspy.read_events(EVENT_FILE)
ev = cat[0]
_assert_src(Source.parse(cat))
_assert_src(Source.parse(ev))
def test_parse_obspy_objects():
"""
Tests parsing from ObsPy objects.
"""
cat = obspy.read_events(EVENT_FILE)
ev = cat[0]
_assert_src(Source.parse(cat))
_assert_src(Source.parse(ev))
def test_parse_CMTSOLUTIONS_file(tmpdir):
"""
Tests parsing from a CMTSOLUTIONS file.
"""
filename = os.path.join(str(tmpdir), "CMTSOLUTIONS")
lines = (
"PDEW2011 8 23 17 51 4.60 37.9400 -77.9300 6.0 5.9 5.8 VIRGINIA",
"event name: 201108231751A",
"time shift: 1.1100",
"half duration: 1.8000",
"latitude: 37.9100",
"longitude: -77.9300",
"depth: 12.0000",
"Mrr: 4.710000e+24",
"Mtt: 3.810000e+22",
"Mpp: -4.740000e+24",
"Mrt: 3.990000e+23",
"Mrp: -8.050000e+23",
"Mtp: -1.230000e+24")
with open(filename, "wt") as fh:
fh.write("\n".join(lines))
origin_time = obspy.UTCDateTime(2011, 8, 23, 17, 51, 4.6)
src = Source.parse(filename)
src_params = np.array([src.latitude, src.longitude, src.depth_in_m,
src.m_rr, src.m_tt, src.m_pp, src.m_rt, src.m_rp,
src.m_tp], dtype="float64")
# Latitude will have assumed to be WGS84 and converted to geocentric
# latitude.
np.testing.assert_allclose(src_params, np.array(
(elliptic_to_geocentric_latitude(37.91), -77.93, 12000, 4.71E17,
3.81E15, -4.74E17, 3.99E16, -8.05E16,
-1.23E17), dtype="float64"))
assert src.origin_time == origin_time
# Write again. Reset latitude beforehand.
filename = os.path.join(str(tmpdir), "CMTSOLUTIONS2")
src.latitude = 37.91
src.write_CMTSOLUTION_file(filename)
# This time there is no need to convert latitudes. Writing will convert
# to WGS84 and reading will convert back.
src = Source.parse(filename)
src_params = np.array([src.latitude, src.longitude, src.depth_in_m,
src.m_rr, src.m_tt, src.m_pp, src.m_rt, src.m_rp,
src.m_tp], dtype="float64")
np.testing.assert_allclose(src_params, np.array(
(37.91, -77.93, 12000, 4.71E17, 3.81E15, -4.74E17, 3.99E16, -8.05E16,
-1.23E17), dtype="float64"), rtol=1E-5)
assert src.origin_time == origin_time
def test_parse_cmtsolutions_file(tmpdir):
"""
Tests parsing from a CMTSOLUTIONS file.
"""
filename = os.path.join(str(tmpdir), "CMTSOLUTIONS")
lines = (" PDE 2011 8 23 17 51 4.60 37.9400 -77.9300 6.0 5.9 5.8 "
"VIRGINIA", "event name: 201108231751A",
"time shift: 1.00", "half duration: 1.8000",
"latitude: 37.9100", "longitude: -77.9300",
"depth: 12.0000", "Mrr: 4.710000e+24",
"Mtt: 3.810000e+22", "Mpp: -4.740000e+24",
"Mrt: 3.990000e+23", "Mrp: -8.050000e+23",
"Mtp: -1.230000e+24")
with open(filename, "wt") as fh:
fh.write("\n".join(lines))
# This is the hypocentral time + 1 seconds (the time shift in the
# CMTSOLUTION file).
origin_time = obspy.UTCDateTime(2011, 8, 23, 17, 51, 5.6)
src = Source.parse(filename)
src_params = np.array([
src.latitude, src.longitude, src.depth_in_m, src.m_rr, src.m_tt,
src.m_pp, src.m_rt, src.m_rp, src.m_tp
],
dtype="float64")
# Latitude will have assumed to be WGS84 and converted to geocentric
# latitude. The import machinery should do that.
np.testing.assert_allclose(
src_params,
np.array((elliptic_to_geocentric_latitude(37.91), -77.93, 12000,
4.71E17, 3.81E15, -4.74E17, 3.99E16, -8.05E16, -1.23E17),
dtype="float64"))
assert src.origin_time == origin_time
def on_load_source_button_released(self):
pwd = os.getcwd()
self.source_file = str(QtGui.QFileDialog.getOpenFileName(self, "Choose Source File", pwd))
if not self.source_file:
return
s = Source.parse(self.source_file)
self.ui.m_rr.setValue(s.m_rr)
self.ui.m_pp.setValue(s.m_pp)
self.ui.m_rp.setValue(s.m_rp)
self.ui.m_tt.setValue(s.m_tt)
self.ui.m_rt.setValue(s.m_rt)
self.ui.m_tp.setValue(s.m_tp)
self.ui.source_longitude.setValue(s.longitude)
self.ui.source_latitude.setValue(s.latitude)
self.ui.depth_slider.setValue(-s.depth_in_m / 1e3)
self.set_info()
def on_load_source_button_released(self):
pwd = os.getcwd()
self.source_file = str(
QtGui.QFileDialog.getOpenFileName(self, "Choose Source File", pwd))
if not self.source_file:
return
s = Source.parse(self.source_file)
self.ui.m_rr.setValue(s.m_rr)
self.ui.m_pp.setValue(s.m_pp)
self.ui.m_rp.setValue(s.m_rp)
self.ui.m_tt.setValue(s.m_tt)
self.ui.m_rt.setValue(s.m_rt)
self.ui.m_tp.setValue(s.m_tp)
self.ui.source_longitude.setValue(s.longitude)
self.ui.source_latitude.setValue(s.latitude)
self.ui.depth_slider.setValue(-s.depth_in_m / 1e3)
self.set_info()
def test_parse_cmtsolutions_file(tmpdir):
"""
Tests parsing from a CMTSOLUTIONS file.
"""
filename = os.path.join(str(tmpdir), "CMTSOLUTIONS")
lines = (
" PDE 2011 8 23 17 51 4.60 37.9400 -77.9300 6.0 5.9 5.8 "
"VIRGINIA",
"event name: 201108231751A",
"time shift: 1.00",
"half duration: 1.8000",
"latitude: 37.9100",
"longitude: -77.9300",
"depth: 12.0000",
"Mrr: 4.710000e+24",
"Mtt: 3.810000e+22",
"Mpp: -4.740000e+24",
"Mrt: 3.990000e+23",
"Mrp: -8.050000e+23",
"Mtp: -1.230000e+24")
with open(filename, "wt") as fh:
fh.write("\n".join(lines))
# This is the hypocentral time + 1 seconds (the time shift in the
# CMTSOLUTION file).
origin_time = obspy.UTCDateTime(2011, 8, 23, 17, 51, 5.6)
src = Source.parse(filename)
src_params = np.array([src.latitude, src.longitude, src.depth_in_m,
src.m_rr, src.m_tt, src.m_pp, src.m_rt, src.m_rp,
src.m_tp], dtype="float64")
# Latitude will have assumed to be WGS84 and converted to geocentric
# latitude. The import machinery should do that.
np.testing.assert_allclose(src_params, np.array(
(elliptic_to_geocentric_latitude(37.91), -77.93, 12000, 4.71E17,
3.81E15, -4.74E17, 3.99E16, -8.05E16,
-1.23E17), dtype="float64"))
assert src.origin_time == origin_time
def test_parse_quakeml():
"""
Tests parsing from a QuakeML file.
"""
src = Source.parse(EVENT_FILE)
_assert_src(src)
def test_event_parsing_failure_states():
"""
Tests the failures when parsing an event.
"""
# Random string.
with pytest.raises(SourceParseError) as err:
Source.parse("random strings")
assert err.value.args[0] == "Could not parse the given source."
# Empty catalog.
cat = obspy.read_events()
cat.events = []
with pytest.raises(SourceParseError) as err:
Source.parse(cat)
assert err.value.args[0] == "Event catalog contains zero events."
# Catalog with lots of events.
cat = obspy.read_events()
with pytest.raises(SourceParseError) as err:
Source.parse(cat)
assert err.value.args[0].startswith("Event catalog contains 3 events")
event = obspy.read_events(EVENT_FILE)[0]
# Event with no origin.
ev = event.copy()
ev.origins = []
with pytest.raises(SourceParseError) as err:
Source.parse(ev)
assert err.value.args[0] == "Event must contain an origin."
# Event with no focmec.
ev = event.copy()
ev.focal_mechanisms = []
with pytest.raises(SourceParseError) as err:
Source.parse(ev)
assert err.value.args[0] == "Event must contain a focal mechanism."
# Event with no moment tensor.
ev = event.copy()
ev.focal_mechanisms[0].moment_tensor = None
# Force this to None to prevent the resource id mechanism to "resurrect"
# the focal mechanism.
ev.preferred_focal_mechanism_id = None
with pytest.raises(SourceParseError) as err:
Source.parse(ev)
assert err.value.args[0] == "Event must contain a moment tensor."
def test_parse_QuakeML():
"""
Tests parsing from a QuakeML file.
"""
src = Source.parse(EVENT_FILE)
_assert_src(src)
def test_event_parsing_failure_states():
"""
Tests the failures when parsing an event.
"""
# Random string.
with pytest.raises(SourceParseError) as err:
Source.parse("random strings")
assert err.value.args[0] == "Could not parse the given source."
# Empty catalog.
cat = obspy.read_events()
cat.events = []
with pytest.raises(SourceParseError) as err:
Source.parse(cat)
assert err.value.args[0] == "Event catalog contains zero events."
# Catalog with lots of events.
cat = obspy.read_events()
with pytest.raises(SourceParseError) as err:
Source.parse(cat)
assert err.value.args[0].startswith("Event catalog contains 3 events")
event = obspy.read_events(EVENT_FILE)[0]
# Event with no origin.
ev = event.copy()
ev.origins = []
with pytest.raises(SourceParseError) as err:
Source.parse(ev)
assert err.value.args[0] == "Event must contain an origin."
# Event with no focmec.
ev = event.copy()
ev.focal_mechanisms = []
with pytest.raises(SourceParseError) as err:
Source.parse(ev)
assert err.value.args[0] == "Event must contain a focal mechanism."
# Event with no moment tensor.
ev = event.copy()
ev.focal_mechanisms[0].moment_tensor = None
# Force this to None to prevent the resource id mechanism to "resurrect"
# the focal mechanism.
ev.preferred_focal_mechanism_id = None
with pytest.raises(SourceParseError) as err:
Source.parse(ev)
assert err.value.args[0] == "Event must contain a moment tensor."
