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Hello!
The documentation on the info object states that 'loc' stores "position
plus the normal given by a 3x3 rotation matrix". Is this the normal to the
sensor's position?
Thanks in advance,
Karin
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hi Karin,
for EEG you only have locations. But for MEG you have location and
orientation that is
expressed as rotation matrix. It's how you orient the MEG "squares" in an
image like this:
https://mne.tools/stable/_images/sphx_glr_plot_source_alignment_001.png
HTH
Alex
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