def convert_complexFaultSource(self, node):
"""
Convert the given node into a complex fault object.
:param node: a node with tag areaGeometry
:returns: a :class:`openquake.hazardlib.source.ComplexFaultSource`
instance
"""
geom = node.complexFaultGeometry
edges = self.geo_lines(geom)
mfd = self.convert_mfdist(node)
msr = valid.SCALEREL[~node.magScaleRel]()
with context(self.fname, node):
cmplx = source.ComplexFaultSource(
source_id=node['id'],
name=node['name'],
tectonic_region_type=node.attrib.get('tectonicRegion'),
mfd=mfd,
rupture_mesh_spacing=self.complex_fault_mesh_spacing,
magnitude_scaling_relationship=msr,
rupture_aspect_ratio=~node.ruptAspectRatio,
edges=edges,
rake=~node.rake,
temporal_occurrence_model=self.tom)
return cmplx
def _complex_to_hazardlib(src, mesh_spacing, bin_width):
"""Convert a NRML complex fault source to the HazardLib equivalent.
See :mod:`openquake.nrmllib.models` and :mod:`openquake.hazardlib.source`.
:param src:
:class:`openquake.nrmllib.models.ComplexFaultRuptureModel` instance.
:param float mesh_spacing:
Rupture mesh spacing, in km.
:param float bin_width:
Truncated Gutenberg-Richter MFD (Magnitude Frequency Distribution) bin
width.
:returns:
The HazardLib representation of the input source.
"""
edges_wkt = []
edges_wkt.append(src.geometry.top_edge_wkt)
edges_wkt.extend(src.geometry.int_edges)
edges_wkt.append(src.geometry.bottom_edge_wkt)
edges = []
for edge in edges_wkt:
shapely_line = wkt.loads(edge)
line = geo.Line([geo.Point(*x) for x in shapely_line.coords])
edges.append(line)
mf_dist = _mfd_to_hazardlib(src.mfd, bin_width)
msr = scalerel.get_available_magnitude_scalerel()[src.mag_scale_rel]()
cmplx = source.ComplexFaultSource(
source_id=src.id,
name=src.name,
tectonic_region_type=src.trt,
mfd=mf_dist,
rupture_mesh_spacing=mesh_spacing,
magnitude_scaling_relationship=msr,
rupture_aspect_ratio=src.rupt_aspect_ratio,
edges=edges,
rake=src.rake,
)
return cmplx
def _expected_complex(self):
tgr_mfd = mfd.TruncatedGRMFD(a_val=-3.5,
b_val=1.0,
min_mag=5.0,
max_mag=6.5,
bin_width=1.0)
edges = [
geo.Line([
geo.Point(-124.704, 40.363, 0.5493260E+01),
geo.Point(-124.977, 41.214, 0.4988560E+01),
geo.Point(-125.140, 42.096, 0.4897340E+01),
]),
geo.Line([
geo.Point(-124.704, 40.363, 0.5593260E+01),
geo.Point(-124.977, 41.214, 0.5088560E+01),
geo.Point(-125.140, 42.096, 0.4997340E+01),
]),
geo.Line([
geo.Point(-124.704, 40.363, 0.5693260E+01),
geo.Point(-124.977, 41.214, 0.5188560E+01),
geo.Point(-125.140, 42.096, 0.5097340E+01),
]),
geo.Line([
geo.Point(-123.829, 40.347, 0.2038490E+02),
geo.Point(-124.137, 41.218, 0.1741390E+02),
geo.Point(-124.252, 42.115, 0.1752740E+02),
]),
]
cmplx = source.ComplexFaultSource(
source_id="4",
name="Cascadia Megathrust",
tectonic_region_type="Subduction Interface",
mfd=tgr_mfd,
rupture_mesh_spacing=self.complex_fault_mesh_spacing,
magnitude_scaling_relationship=scalerel.WC1994(),
rupture_aspect_ratio=2.0,
edges=edges,
rake=30.0,
temporal_occurrence_model=PoissonTOM(50.),
)
return cmplx
def _complex_to_hazardlib(self, src):
"""Convert a NRML complex fault source to the HazardLib equivalent.
See :mod:`openquake.nrmllib.models` and
:mod:`openquake.hazardlib.source`.
:param src:
:class:`openquake.nrmllib.models.ComplexFaultRuptureModel` instance
:returns:
The HazardLib representation of the input source.
"""
edges_wkt = []
edges_wkt.append(src.geometry.top_edge_wkt)
edges_wkt.extend(src.geometry.int_edges)
edges_wkt.append(src.geometry.bottom_edge_wkt)
edges = []
for edge in edges_wkt:
shapely_line = wkt.loads(edge)
line = geo.Line([geo.Point(*x) for x in shapely_line.coords])
edges.append(line)
mf_dist = self._mfd_to_hazardlib(src.mfd)
msr = scalerel.get_available_magnitude_scalerel()[src.mag_scale_rel]()
cmplx = source.ComplexFaultSource(
source_id=src.id,
name=src.name,
tectonic_region_type=src.trt,
mfd=mf_dist,
rupture_mesh_spacing=self.rupture_mesh_spacing,
magnitude_scaling_relationship=msr,
rupture_aspect_ratio=src.rupt_aspect_ratio,
edges=edges,
rake=src.rake,
temporal_occurrence_model=self.default_tom,
)
return cmplx
