mne.get_meg_helmet_surf

mne.get_meg_helmet_surf(info, trans=None, verbose=None)[source]

Load the MEG helmet associated with the MEG sensors.

Parameters
infoinstance of Info

Measurement info.

transdict

The head<->MRI transformation, usually obtained using read_trans(). Can be None, in which case the surface will be in head coordinates instead of MRI coordinates.

verbosebool, str, int, or None

If not None, override default verbose level (see mne.verbose() and Logging documentation for more).

Returns
surfdict

The MEG helmet as a surface.

Notes

A built-in helmet is loaded if possible. If not, a helmet surface will be approximated based on the sensor locations.