[Mne_analysis] mne_make_eeg_layout ? for maxfilter

Matti Hamalainen msh at nmr.mgh.harvard.edu
Tue Feb 14 15:34:55 EST 2012
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The MEG head coordinate frame.

- Matti


On Feb 14, 2012, at 3:28 PM, dgw wrote:

> Hello,
> 
> Does anyone know what coordinate frame mne_make_eeg_layout uses when
> calculating the sphere? I am trying to use this as an automated way of
> providing an origin to maxfilter (which doesn't handle digitized
> points of the nose and face well). My output is below. I am using MNE
> 2.7.3. Judging from the values it suggests that it is in the Head
> coordinate frame, but if anyone knows that would help.
> 
> Thanks,
> D
> 
> 
> mne_make_eeg_layout version 1.3 compiled at Dec 15 2009 08:56:04
> 
> input  file     : nap_01_raw.fif
> layout file     : eeg.lout
> Fit sphere to electrodes first
> prad            : 20.0
> viewport width  : 5.0
> viewport height : 4.0
> 
> 70 EEG channels found for layout.
> best fitting sphere:
>        origin :    1.2    1.9   50.0 mm
>        radius :   90.2 mm
> Wrote 70 viewports to eeg.lout
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> 




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