[FieldTrip] EEG cap layout question

[Konstantinos Tsilimparis]

Hi Tanmoy,

Based on the layout tutorial at https://www.fieldtriptoolbox.org/tutorial/layout/#creating-a-layout-from-3d-electrode-positions and a similar example for MEG (https://www.fieldtriptoolbox.org/tutorial/layout/#creating-a-layout-from-sensor-positions), along with help documentation of ft_prepare_layout, I suggest the following:

elec = ft_read_sens(<your EEG file>);

cfg                    = [];
cfg.elec            = elec;
cfg.projection = 'polar';
layout              = ft_prepare_layout(cfg);

Hope that helps!

Best,
Konstantinos


-----Original Message-----
From: fieldtrip <fieldtrip-bounces at science.ru.nl> On Behalf Of Sil, Tanmoy via fieldtrip
Sent: Friday, August 16, 2024 2:27 PM
To: fieldtrip at science.ru.nl
Cc: Sil, Tanmoy <Sil_T at ukw.de>
Subject: [FieldTrip] EEG cap layout question

Dear FieldTripers


I am trying to make EEG layout for a 281 channel cap we have at our center. I have the layout in XYZ coordinate format. The file starts with the fiducials FidNz, FidT9, FidT10, E1, E2... and so on with their respective x, y, z coordinates.


How do I create a layout from these coordinates that I can use? I got very confused while reading the tutorials.

Thanks so much!


Best

Tanmoy


_________________________
Regards
Tanmoy Sil
Ph.D. candidate
Universitätsklinikum Würzburg
Department of Neurology
Josef-Schneider-Straße 11
97080 Würzburg, Germany

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