Function is_fixed_orient

mne/forward/forward.py:1066–1086

Check if the forward operator is fixed orientation. Parameters ---------- forward : instance of Forward The forward. orig : bool If True, consider the original source orientation. If False (default), consider the current source orientation. Returns -

(forward, orig=False)

def is_fixed_orient(forward, orig=False):
    """Check if the forward operator is fixed orientation.

    Parameters
    ----------
    forward : instance of Forward
        The forward.
    orig : bool
        If True, consider the original source orientation.
        If False (default), consider the current source orientation.

    Returns
    -------
    fixed_ori : bool
        Whether or not it is fixed orientation.
    """
    if orig:  # if we want to know about the original version
        fixed_ori = forward["_orig_source_ori"] == FIFF.FIFFV_MNE_FIXED_ORI
    else:  # most of the time we want to know about the current version
        fixed_ori = forward["source_ori"] == FIFF.FIFFV_MNE_FIXED_ORI
    return fixed_ori


@fill_doc