def _parse_complex(cls, src_elem):
"""
:param src_elem:
:class:`lxml.etree._Element` instance representing a source.
:returns:
Fully populated :class:`nrml.models.ComplexFaultSource` object.
"""
complx = models.ComplexFaultSource()
cls._set_common_attrs(complx, src_elem)
complex_geom = models.ComplexFaultGeometry()
complx.geometry = complex_geom
[top_edge] = _xpath(src_elem, ".//nrml:faultTopEdge//gml:posList")
top_coords = top_edge.text.split()
complex_geom.top_edge_wkt = utils.coords_to_linestr_wkt(top_coords, 3)
[bottom_edge] = _xpath(src_elem, ".//nrml:faultBottomEdge//gml:posList")
bottom_coords = bottom_edge.text.split()
complex_geom.bottom_edge_wkt = utils.coords_to_linestr_wkt(bottom_coords, 3)
# Optional itermediate edges:
int_edges = _xpath(src_elem, ".//nrml:intermediateEdge//gml:posList")
for edge in int_edges:
coords = edge.text.split()
complex_geom.int_edges.append(utils.coords_to_linestr_wkt(coords, 3))
complx.mfd = cls._parse_mfd(src_elem)
complx.rake = float(_xpath(src_elem, ".//nrml:rake")[0].text)
return complx
def _parse_complex_geometry(cls, src_elem):
"""
:param src_elem:
:class:`lxml.etree._Element` instance representing a geometry.
:returns:
Fully populated :class:`nrml.models.ComplexFaultGeometry` object.
"""
complex_geom = models.ComplexFaultGeometry()
[top_edge] = _xpath(src_elem, './/nrml:faultTopEdge//gml:posList')
top_coords = top_edge.text.split()
complex_geom.top_edge_wkt = utils.coords_to_linestr_wkt(top_coords, 3)
[bottom_edge] = _xpath(
src_elem, './/nrml:faultBottomEdge//gml:posList')
bottom_coords = bottom_edge.text.split()
complex_geom.bottom_edge_wkt = utils.coords_to_linestr_wkt(
bottom_coords, 3)
# Optional itermediate edges:
int_edges = _xpath(src_elem, './/nrml:intermediateEdge//gml:posList')
for edge in int_edges:
coords = edge.text.split()
complex_geom.int_edges.append(
utils.coords_to_linestr_wkt(coords, 3))
return complex_geom
def _parse_simple(cls, src_elem):
"""
:param src_elem:
:class:`lxml.etree._Element` instance representing a source.
:returns:
Fully populated :class:`nrml.models.SimpleFaultSource` object.
"""
simple = models.SimpleFaultSource()
cls._set_common_attrs(simple, src_elem)
simple_geom = models.SimpleFaultGeometry()
simple.geometry = simple_geom
[gml_pos_list] = _xpath(src_elem, ".//gml:posList")
coords = gml_pos_list.text.split()
simple_geom.wkt = utils.coords_to_linestr_wkt(coords, 2)
simple_geom.dip = float(_xpath(src_elem, ".//nrml:dip")[0].text)
simple_geom.upper_seismo_depth = float(_xpath(src_elem, ".//nrml:upperSeismoDepth")[0].text)
simple_geom.lower_seismo_depth = float(_xpath(src_elem, ".//nrml:lowerSeismoDepth")[0].text)
simple.mfd = cls._parse_mfd(src_elem)
simple.rake = float(_xpath(src_elem, ".//nrml:rake")[0].text)
return simple
def test_coords_to_linestr_wkt_3d(self):
expected = 'LINESTRING(1.0 1.0 2.0, 2.0 3.0 3.0)'
coords = [1.0, '1.0', '2.0', 2.0, 3.0, '3.0']
actual = utils.coords_to_linestr_wkt(coords, 3)
self.assertEqual(expected, actual)
def test_coords_to_linestr_wkt_2d(self):
expected = 'LINESTRING(1.0 1.0, 2.0 2.0, 3.0 3.0)'
# Mixed input types for robustness testing
coords = [1.0, '1.0', '2.0', 2.0, 3.0, '3.0']
actual = utils.coords_to_linestr_wkt(coords, 2)
self.assertEqual(expected, actual)
def _parse_simple_geometry(cls, src_elem):
"""
:param src_elem:
:class:`lxml.etree._Element` instance representing a geometry.
:returns:
Fully populated :class:`nrml.models.SimpleFaultGeometry` object.
"""
simple_geom = models.SimpleFaultGeometry()
[gml_pos_list] = _xpath(src_elem, './/gml:posList')
coords = gml_pos_list.text.split()
simple_geom.wkt = utils.coords_to_linestr_wkt(coords, 2)
simple_geom.dip = float(
_xpath(src_elem, './/nrml:dip')[0].text)
simple_geom.upper_seismo_depth = float(
_xpath(src_elem, './/nrml:upperSeismoDepth')[0].text)
simple_geom.lower_seismo_depth = float(
_xpath(src_elem, './/nrml:lowerSeismoDepth')[0].text)
return simple_geom
