Get tris defined for a certain grade.
intGrade of an icosahedral mesh.
str | int | NoneControl verbosity of the logging output. If None, use the default
verbosity level. See the logging documentation and
mne.verbose() for details. Should only be passed as a keyword
argument.
list2-element list containing Nx3 arrays of tris, suitable for use in spatio_temporal_tris_adjacency.