def create_oqnrml_source(self, use_defaults=False):
'''
Converts the complex source into an instance of the :class:
openquake.nrmllib.models.ComplexFaultSource
:param bool use_defaults:
If set to True, will input default values of rupture aspect
ratio and magnitude scaling relation where missing. If false,
value errors will be raised if information is missing.
'''
if not isinstance(self.rake, float):
raise ValueError('Cannot create complex source - rake is missing!')
# Render complex geometry to linestrings
complex_geometry = conv.complex_trace_to_wkt_linestring(
self.fault_edges)
return models.ComplexFaultSource(
self.id,
self.name,
self.trt,
complex_geometry,
conv.render_mag_scale_rel(self.mag_scale_rel, use_defaults),
conv.render_aspect_ratio(self.rupt_aspect_ratio, use_defaults),
conv.render_mfd(self.mfd),
self.rake)
def test_create_oqnmrl_complex_fault_source(self):
'''
Tests the conversion of a point source to an instance of the :class:
oqnrmllib.models.AreaSource
'''
# Define a complete source
complex_edges = [
line.Line([point.Point(10., 10., 0.),
point.Point(11., 10., 0.)]),
line.Line(
[point.Point(10., 10., 20.),
point.Point(11.5, 10., 21.)])
]
self.fault_source = mtkComplexFaultSource('001',
'A Fault Source',
trt='Active Shallow Crust',
geometry=None,
mag_scale_rel=None,
rupt_aspect_ratio=1.0,
mfd=models.TGRMFD(
a_val=3.,
b_val=1.0,
min_mag=5.0,
max_mag=8.0),
rake=0.)
self.fault_source.create_geometry(complex_edges, 2.0)
expected_geometry = models.ComplexFaultGeometry(
top_edge_wkt='LINESTRING (10.0 10.0 0.0, 11.0 10.0 0.0)',
bottom_edge_wkt='LINESTRING (10.0 10.0 20.0, 11.5 10.0 21.0)')
expected_source = models.ComplexFaultSource('001',
'A Fault Source',
trt='Active Shallow Crust',
geometry=expected_geometry,
mag_scale_rel='WC1994',
rupt_aspect_ratio=1.0,
mfd=models.TGRMFD(
a_val=3.,
b_val=1.0,
min_mag=5.0,
max_mag=8.0),
rake=90.)
test_source = self.fault_source.create_oqnrml_source(use_defaults=True)
self.assertTrue(isinstance(test_source, models.ComplexFaultSource))
self.assertEqual(test_source.id, expected_source.id)
self.assertEqual(test_source.name, expected_source.name)
self.assertAlmostEqual(test_source.mfd.b_val,
expected_source.mfd.b_val)
def _parse_complex(cls, src_elem):
"""
:param src_elem:
:class:`lxml.etree._Element` instance representing a source.
:returns:
Fully populated
:class:`openquake.nrmllib.models.ComplexFaultSource` object.
"""
complx = models.ComplexFaultSource()
cls._set_common_attrs(complx, src_elem)
complex_geom = cls._parse_complex_geometry(src_elem)
complx.geometry = complex_geom
complx.mfd = cls._parse_mfd(src_elem)
complx.rake = float(_xpath(src_elem, './/nrml:rake')[0].text)
return complx
def _expected_source_model(cls):
# Area:
area_geom = models.AreaGeometry(
wkt=('POLYGON((-122.5 37.5, -121.5 37.5, -121.5 38.5, -122.5 38.5,'
' -122.5 37.5))'),
upper_seismo_depth=0.0,
lower_seismo_depth=10.0,
)
area_mfd = models.IncrementalMFD(
min_mag=6.55,
bin_width=0.1,
occur_rates=[
0.0010614989, 8.8291627E-4, 7.3437777E-4, 6.108288E-4,
5.080653E-4
],
)
area_npd = [
models.NodalPlane(probability=decimal.Decimal("0.3"),
strike=0.0,
dip=90.0,
rake=0.0),
models.NodalPlane(probability=decimal.Decimal("0.7"),
strike=90.0,
dip=45.0,
rake=90.0),
]
area_hdd = [
models.HypocentralDepth(probability=decimal.Decimal("0.5"),
depth=4.0),
models.HypocentralDepth(probability=decimal.Decimal("0.5"),
depth=8.0),
]
area_src = models.AreaSource(
id='1',
name='Quito',
trt='Active Shallow Crust',
geometry=area_geom,
mag_scale_rel='PeerMSR',
rupt_aspect_ratio=1.5,
mfd=area_mfd,
nodal_plane_dist=area_npd,
hypo_depth_dist=area_hdd,
)
# Point:
point_geom = models.PointGeometry(
wkt='POINT(-122.0 38.0)',
upper_seismo_depth=0.0,
lower_seismo_depth=10.0,
)
point_mfd = models.TGRMFD(
a_val=-3.5,
b_val=1.0,
min_mag=5.0,
max_mag=6.5,
)
point_npd = [
models.NodalPlane(probability=decimal.Decimal("0.3"),
strike=0.0,
dip=90.0,
rake=0.0),
models.NodalPlane(probability=decimal.Decimal("0.7"),
strike=90.0,
dip=45.0,
rake=90.0),
]
point_hdd = [
models.HypocentralDepth(probability=decimal.Decimal("0.5"),
depth=4.0),
models.HypocentralDepth(probability=decimal.Decimal("0.5"),
depth=8.0),
]
point_src = models.PointSource(
id='2',
name='point',
trt='Stable Continental Crust',
geometry=point_geom,
mag_scale_rel='WC1994',
rupt_aspect_ratio=0.5,
mfd=point_mfd,
nodal_plane_dist=point_npd,
hypo_depth_dist=point_hdd,
)
# Simple:
simple_geom = models.SimpleFaultGeometry(
wkt='LINESTRING(-121.82290 37.73010, -122.03880 37.87710)',
dip=45.0,
upper_seismo_depth=10.0,
lower_seismo_depth=20.0,
)
simple_mfd = models.IncrementalMFD(
min_mag=5.0,
bin_width=0.1,
occur_rates=[
0.0010614989, 8.8291627E-4, 7.3437777E-4, 6.108288E-4,
5.080653E-4
],
)
simple_src = models.SimpleFaultSource(
id='3',
name='Mount Diablo Thrust',
trt='Active Shallow Crust',
geometry=simple_geom,
mag_scale_rel='WC1994',
rupt_aspect_ratio=1.5,
mfd=simple_mfd,
rake=30.0,
)
# Complex:
complex_geom = models.ComplexFaultGeometry(
top_edge_wkt=('LINESTRING(-124.704 40.363 0.5493260E+01, '
'-124.977 41.214 0.4988560E+01, '
'-125.140 42.096 0.4897340E+01)'),
bottom_edge_wkt=('LINESTRING(-123.829 40.347 0.2038490E+02, '
'-124.137 41.218 0.1741390E+02, '
'-124.252 42.115 0.1752740E+02)'),
int_edges=[
('LINESTRING(-124.704 40.363 0.5593260E+01, '
'-124.977 41.214 0.5088560E+01, '
'-125.140 42.096 0.4997340E+01)'),
('LINESTRING(-124.704 40.363 0.5693260E+01, '
'-124.977 41.214 0.5188560E+01, '
'-125.140 42.096 0.5097340E+01)'),
])
complex_mfd = models.TGRMFD(a_val=-3.5,
b_val=1.0,
min_mag=5.0,
max_mag=6.5)
complex_src = models.ComplexFaultSource(
id='4',
name='Cascadia Megathrust',
trt='Subduction Interface',
geometry=complex_geom,
mag_scale_rel='WC1994',
rupt_aspect_ratio=2.0,
mfd=complex_mfd,
rake=30.0,
)
# 3 Characteristic Sources:
char_src_simple = models.CharacteristicSource(
id='5',
name='characteristic source, simple fault',
trt='Volcanic',
mfd=models.TGRMFD(a_val=-3.5, b_val=1.0, min_mag=5.0, max_mag=6.5),
rake=30.0,
surface=simple_geom)
char_src_complex = models.CharacteristicSource(
id='6',
name='characteristic source, complex fault',
trt='Volcanic',
mfd=models.IncrementalMFD(
min_mag=5.0,
bin_width=0.1,
occur_rates=[
0.0010614989, 8.8291627E-4, 7.3437777E-4, 6.108288E-4,
5.080653E-4
],
),
rake=60.0,
surface=complex_geom)
char_src_multi = models.CharacteristicSource(
id='7',
name='characteristic source, multi surface',
trt='Volcanic',
mfd=models.TGRMFD(a_val=-3.6, b_val=1.0, min_mag=5.2, max_mag=6.4),
rake=90.0)
psurface_1 = models.PlanarSurface(
strike=0.0,
dip=90.0,
top_left=models.Point(longitude=-1.0, latitude=1.0, depth=21.0),
top_right=models.Point(longitude=1.0, latitude=1.0, depth=21.0),
bottom_left=models.Point(longitude=-1.0, latitude=-1.0,
depth=59.0),
bottom_right=models.Point(longitude=1.0, latitude=-1.0,
depth=59.0),
)
psurface_2 = models.PlanarSurface(
strike=20.0,
dip=45.0,
top_left=models.Point(longitude=1.0, latitude=1.0, depth=20.0),
top_right=models.Point(longitude=3.0, latitude=1.0, depth=20.0),
bottom_left=models.Point(longitude=1.0, latitude=-1.0, depth=80.0),
bottom_right=models.Point(longitude=3.0, latitude=-1.0,
depth=80.0),
)
char_src_multi.surface = [psurface_1, psurface_2]
source_model = models.SourceModel()
source_model.name = 'Some Source Model'
# Generator:
source_model.sources = (x for x in [
area_src, point_src, simple_src, complex_src, char_src_simple,
char_src_complex, char_src_multi
])
return source_model
