def translate_shape(shape, vec):
"""
Translate a shape along a vector.
:param afem.topology.entities.Shape shape: The shape.
:param Union[afem.geometry.entitites.Vector, Sequence] vec: The vector.
:return: The translated shape.
:rtype: afem.topology.entities.Shape
:raise RuntimeError: If the translation fails or is not done.
"""
trsf = gce_MakeTranslation(vec.gp_vec).Value()
builder = BRepBuilderAPI_Transform(shape.object, trsf, True)
if not builder.IsDone():
raise RuntimeError('Failed to mirror the shape.')
return Shape.wrap(builder.Shape())
def mirror_shape(shape, pln):
"""
Mirror a shape about a plane.
:param afem.topology.entities.Shape shape: The shape.
:param afem.geometry.entities.Plane pln: The plane.
:return: The mirrored shape.
:rtype: afem.topology.entities.Shape
:raise RuntimeError: If the transformation fails or is not done.
"""
trsf = gce_MakeMirror(pln.gp_pln).Value()
builder = BRepBuilderAPI_Transform(shape.object, trsf, True)
if not builder.IsDone():
raise RuntimeError('Failed to mirror the shape.')
return Shape.wrap(builder.Shape())