def elm_iter(self):
"""
:return: Yield elements of the sub-mesh.
:rtype: collections.Iterable(afem.smesh.entities.Element)
"""
iter_ = self._ds.GetElements()
while iter_.more():
yield Element(iter_.next())
def faces_iter(self):
"""
:return: Yield faces of the mesh.
:rtype: collections.Iterable(afem.smesh.entities.Element)
"""
iter_ = self._ds.facesIterator(True)
while iter_.more():
yield Element(iter_.next())
def get_element(self, id_):
"""
Get an element.
:param int id_: The id of the element in the shape.
:return: The element.
:rtype: afem.smesh.entities.Element
"""
return Element(self._ds.GetElement(id_))
def add_edge(self, n1, n2, id_=0, force3d=True):
"""
Add an edge.
:param afem.smesh.entities.Node n1: The first node.
:param afem.smesh.entities.Node n2: The second node.
:param int id_: The edge ID. If zero then the ID will be assigned.
:param force3d: Unknown option.
:return: The created edge.
:rtype: afem.smesh.entities.Element
"""
smesh_elm = self._helper.AddEdge(n1.object, n2.object, id_, force3d)
return Element(smesh_elm)
def add_face(self, n1, n2, n3, n4=None, id_=0, force3d=False):
"""
Add a face.
:param afem.smesh.entities.Node n1: The first node.
:param afem.smesh.entities.Node n2: The second node.
:param afem.smesh.entities.Node n3: The third node.
:param afem.smesh.entities.Node n4: The fourth node. If provided then
the face will be a quadrangle, if not provided then the face is
a triangle.
:param int id_: The face ID. If zero then the ID will be assigned.
:param force3d: Unknown option.
:return: The created face.
:rtype: afem.smesh.entities.Element
"""
if n4 is None:
smesh_elm = self._helper.AddFace(n1.object, n2.object, n3.object,
id_, force3d)
else:
smesh_elm = self._helper.AddFace(n1.object, n2.object, n3.object,
n4.object, id_, force3d)
return Element(smesh_elm)