def from_mesh(cls: 'MeshModel',
mesh: Mesh,
name: str = 'Mesh',
targetlength: float = 1.0) -> None:
model = cls(name)
model.vertex_tag = {}
for vertex in mesh.vertices():
point = mesh.vertex_coordinates(vertex)
model.vertex_tag[vertex] = model.occ.add_point(
*point, targetlength)
for face in mesh.faces():
loop = []
for u, v in mesh.face_halfedges(face):
tag = model.occ.add_line(model.vertex_tag[u],
model.vertex_tag[v])
loop.append(tag)
tag = model.occ.add_curve_loop(loop)
model.occ.add_surface_filling(tag)
return model
