Write a head surface to a fiff file.
Filename to write.
array, shape (n_vertices, 3)
Coordinate points in the MRI coordinate system.
int, shape (n_tris, 3)
Triangulation (each line contains indices for three points which together form a face).
What to do if the surface is found to have topological defects.
'raise' (default) to raise an error,
'warn' to emit a
'ignore' to ignore when one or more defects are found.
Note that a lot of computations in MNE-Python assume the surfaces to be
topologically correct, topological defects may still make other
fail irrespective of this parameter.
If True (default False), overwrite the destination file if it exists.