[Mne_analysis] mne_make_eeg_layout

[Matti Hamalainen]

Hi Santosh,

You said earlier that the EEG electrode positions have been scanned with a laser scanner. Are they in the Neuromag head coordinate system?

- Matti


On Sep 27, 2011, at 4:15 PM, Vema Krishnamurthy, Santosh wrote:

> Hello,
>  
> I was trying to use the mne_make_eeg_layout to make a layout file of EEG electrodes, but when I opened the file I see few of the electrodes have same values, So I was thinking of doing the calculations manually.
>  
> I have 3-d co-ordinates of EEG electrodes read into Matlab  from the raw fiff file and I'm trying to solve the projections of these locations into 2-d plane using the equations given under Creating a custom EEG layouthttp://www.martinos.org/mne/manual/utilities.html#chddgdja. when I plot the uk and vk in matlab, it doesn't look these are the projections. So I was wondering if someone could help regarding this. All I'm trying to do is calculate the projections of 3-d EEG electrodes into a 2-d plane.
>  
> Thanks and Regards,
> ---------------------------------------------------
> Santosh Vema KrishnaMurthy, M.A.Sc
> Medical Devices Engineer
> NRC Institute for Biodiagnostics (Atlantic)
> Elekta/IWK MEG Research office
> Ph: (902) 470-3984
> ---------------------------------------------------
> _______________________________________________
> Mne_analysis mailing list
> Mne_analysis at nmr.mgh.harvard.edu
> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/mne_analysis

-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mail.nmr.mgh.harvard.edu/pipermail/mne_analysis/attachments/20110927/4e2075b3/attachment.html