PolyData.cell_normals

property PolyData.cell_normals: pyvista_ndarray

Return the cell normals.

The active cell normals are returned if they exist. Otherwise, they are computed with compute_normals() using the default options.

Returns:

pyvista.pyvista_ndarray

Array of cell normals.

Examples

Download Python source code | Download Jupyter notebook

>>> import pyvista as pv
>>> sphere = pv.Sphere()
>>> sphere.cell_normals
pyvista_ndarray([[ 0.05413816,  0.00569015,  0.9985172 ],
                 [ 0.05177207,  0.01682176,  0.9985172 ],
                 [ 0.04714328,  0.02721819,  0.9985172 ],
                 ...,
                 [ 0.26742265, -0.02810723, -0.96316934],
                 [ 0.1617585 , -0.01700151, -0.9866839 ],
                 [ 0.1617585 , -0.01700151, -0.9866839 ]],
                shape=(1680, 3), dtype=float32)