def vertex_normals(self):
r"""
Normal at each point.
:type: (`n_points`, 3) ndarray
Compute the per-vertex normals from the current set of points and
triangle list. Only valid for 3D dimensional meshes.
Raises
------
DimensionalityError
If mesh is not 3D
"""
if self.n_dims != 3:
raise ValueError("Normals are only valid for 3D meshes")
return compute_normals(self.points, self.trilist)[0]
def face_normals(self):
r"""
Normal at each face.
:type: (``n_tris``, 3) ndarray
Compute the face normals from the current set of points and
triangle list. Only valid for 3D dimensional meshes.
Raises
------
DimensionalityError
If mesh is not 3D
"""
if self.n_dims != 3:
raise DimensionalityError("Normals are only valid for 3D meshes")
return compute_normals(self.points, self.trilist)[1]
def face_normals(self):
r"""
Normal at each face.
:type: (``n_tris``, 3) ndarray
Compute the face normals from the current set of points and
triangle list. Only valid for 3D dimensional meshes.
Raises
------
DimensionalityError
If mesh is not 3D
"""
if self.n_dims != 3:
raise DimensionalityError("Normals are only valid for 3D meshes")
return compute_normals(self.points, self.trilist)[1]
