def __init__(self, nodes, elements, edges, mesh_files):
"""
Test case for a Lagrange mesh. Tries to test an Argyris mesh.
"""
for mesh_file in mesh_files:
self.nodes = nodes
# The mesh classes try to flatten nodes if possible. Do it here too.
if np.all(self.nodes[:, -1] == self.nodes[0, -1]):
self.nodes = self.nodes[:,0:-1]
self.elements = elements
self.edges = edges
mesh = meshes.mesh_factory(*mesh_file)
parsed_mesh = parsers.parser_factory(*mesh_file)
npt.assert_equal(self.nodes, mesh.nodes)
npt.assert_equal(self.elements, mesh.elements)
if parsed_mesh.edges:
assert set(self.edges) == reduce(lambda a, b : a + b,
mesh.edge_collections.values())
npt.assert_almost_equal(meshtools.project_nodes(lambda x : x[0:2],
self.elements, self.nodes),
self.nodes[:,0:2], decimal=10)
if parsed_mesh.edges:
assert set(map(lambda x : x[0:-1], self.edges)) == \
set(map(lambda x : x[0:-1],
meshtools.extract_boundary_edges(self.elements)))
# Test Argyris stuff.
if self.elements.shape[1] == 6:
TestArgyrisCase(mesh_file, parsed_mesh)
def __init__(self, nodes, elements, edges, mesh_files):
"""
Test case for a parsed mesh. Tries to test an Argyris mesh.
"""
for mesh_file in mesh_files:
self.nodes = nodes
self.elements = elements
self.edges = edges
parsed_mesh = parsers.parser_factory(*mesh_file)
npt.assert_almost_equal(self.nodes, parsed_mesh.nodes)
npt.assert_equal(self.elements, parsed_mesh.elements)
if parsed_mesh.edges:
assert np.all(self.edges == parsed_mesh.edges)
npt.assert_almost_equal(meshtools.project_nodes(lambda x : x[0:2],
self.elements, self.nodes),
self.nodes[:, 0:2], decimal=10)
if parsed_mesh.edges:
assert set(map(lambda x : x[0:-1], self.edges)) == \
set(map(lambda x : x[0:-1],
meshtools.extract_boundary_edges(self.elements)))
# Test Argyris stuff.
if self.elements.shape[1] == 6:
TestArgyrisCase(mesh_file, parsed_mesh)
def __init__(self, parsed_mesh, borders=None, default_border="land",
ignore_given_edges=False, projection=None):
if borders is None:
borders = {}
self.elements = parsed_mesh.elements
self.nodes = meshtools.project_nodes(projection, parsed_mesh.elements,
parsed_mesh.nodes,
attempt_flatten=True)
self.edge_collections = \
meshtools.organize_edges(parsed_mesh.edges, borders=borders,
default_border=default_border)
if max(map(len, self.edge_collections.values())) == 0 \
or ignore_given_edges:
self.edge_collections = {default_border:
set(meshtools.extract_boundary_edges(self.elements))}
if len(np.unique(self.elements)) != self.nodes.shape[0]:
self._fix_unused_nodes()
self.boundary_nodes = {}
interior_nodes = set(range(1, len(self.nodes)+1))
for name, edge_collection in self.edge_collections.items():
self.boundary_nodes[name] = \
np.fromiter(set(node for edge in edge_collection
for node in edge[0:-1]), int)
interior_nodes -= set(self.boundary_nodes[name])
self.interior_nodes = np.fromiter(interior_nodes, int)
self.order = _element_order(self.elements.shape[1])
self.mean_stepsize = self._get_stepsize()
def __init__(self, nodes, elements, edges, mesh_files):
"""
Test case for a Lagrange mesh. Tries to test an Argyris mesh.
"""
for mesh_file in mesh_files:
self.nodes = nodes
# The mesh classes try to flatten nodes if possible. Do it here too.
if np.all(self.nodes[:, -1] == self.nodes[0, -1]):
self.nodes = self.nodes[:, 0:-1]
self.elements = elements
self.edges = edges
mesh = meshes.mesh_factory(*mesh_file)
parsed_mesh = parsers.parser_factory(*mesh_file)
npt.assert_equal(self.nodes, mesh.nodes)
npt.assert_equal(self.elements, mesh.elements)
if parsed_mesh.edges:
assert set(self.edges) == reduce(
lambda a, b: a + b, mesh.edge_collections.values())
npt.assert_almost_equal(meshtools.project_nodes(
lambda x: x[0:2], self.elements, self.nodes),
self.nodes[:, 0:2],
decimal=10)
if parsed_mesh.edges:
assert set(map(lambda x : x[0:-1], self.edges)) == \
set(map(lambda x : x[0:-1],
meshtools.extract_boundary_edges(self.elements)))
# Test Argyris stuff.
if self.elements.shape[1] == 6:
TestArgyrisCase(mesh_file, parsed_mesh)
def __init__(self, nodes, elements, edges, mesh_files):
"""
Test case for a parsed mesh. Tries to test an Argyris mesh.
"""
for mesh_file in mesh_files:
self.nodes = nodes
self.elements = elements
self.edges = edges
parsed_mesh = parsers.parser_factory(*mesh_file)
npt.assert_almost_equal(self.nodes, parsed_mesh.nodes)
npt.assert_equal(self.elements, parsed_mesh.elements)
if parsed_mesh.edges:
assert np.all(self.edges == parsed_mesh.edges)
npt.assert_almost_equal(meshtools.project_nodes(
lambda x: x[0:2], self.elements, self.nodes),
self.nodes[:, 0:2],
decimal=10)
if parsed_mesh.edges:
assert set(map(lambda x : x[0:-1], self.edges)) == \
set(map(lambda x : x[0:-1],
meshtools.extract_boundary_edges(self.elements)))
# Test Argyris stuff.
if self.elements.shape[1] == 6:
TestArgyrisCase(mesh_file, parsed_mesh)
def __init__(self,
parsed_mesh,
borders=None,
default_border="land",
ignore_given_edges=False,
projection=None):
if borders is None:
borders = {}
self.elements = parsed_mesh.elements
self.nodes = meshtools.project_nodes(projection,
parsed_mesh.elements,
parsed_mesh.nodes,
attempt_flatten=True)
self.edge_collections = \
meshtools.organize_edges(parsed_mesh.edges, borders=borders,
default_border=default_border)
if max(map(len, self.edge_collections.values())) == 0 \
or ignore_given_edges:
self.edge_collections = {
default_border:
set(meshtools.extract_boundary_edges(self.elements))
}
if len(np.unique(self.elements)) != self.nodes.shape[0]:
self._fix_unused_nodes()
self.boundary_nodes = {}
interior_nodes = set(range(1, len(self.nodes) + 1))
for name, edge_collection in self.edge_collections.items():
self.boundary_nodes[name] = \
np.fromiter(set(node for edge in edge_collection
for node in edge[0:-1]), int)
interior_nodes -= set(self.boundary_nodes[name])
self.interior_nodes = np.fromiter(interior_nodes, int)
self.order = _element_order(self.elements.shape[1])
self.mean_stepsize = self._get_stepsize()