[FieldTrip] Still about channel repair

[jan-mathijs schoffelen]

Hi Ivano,
Please have a look at the link attached.

http://fieldtrip.fcdonders.nl/faq/how_are_electrodes_magnetometers_or_gradiometers_described

Best,
Jan-Mathijs

On Feb 4, 2014, at 6:01 PM, Ivano Triggiani wrote:

> Hi Fieldtrippers,
> 
> I read many answers about problems on channel repair, but still something miss me to understand hot to fix a channel. I tried with:
> cfg                = [];
> replace_channels   = ft_channelselection('gui',hdr.label);
> cfg.badchannel     = replace_channels;
> cfg.layout         = 'EEG_layout.lay';
> cfg.method         = 'triangulation';
> cfg.elecfile       = 'EEG_cap.sfp';
> cfg.neighbours     = neighbours;
> cfg.trials         = 'all';
> elec.label         = hdr.label;
> data.elec          = ft_prepare_layout(cfg);
> repaired_data      = ft_channelrepair(cfg,rawdataout);
>  
> but it returns:
> ??? Error using ==> ft_channelrepair at 92
> the data should contain either an electrode or a gradiometer definition
> 
> I cannot find into documentation what it means.
> I guess I have to specify the kind of measurement (EEG/MEG), but where?
> Furthermore I read the docs about electrode position , channel position and so on, but can we get some example?
> 
> Thanks a lot,
> 
> Ivano
> ------------------------------------------------------------------------
> 
> 
> 
> 
> "No man can wear one face to himself 
> and another to the multitude,
> without finally getting bewildered 
> as to which one is true."
> 
> 
> Nathaniel Hawthorne
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Jan-Mathijs Schoffelen, MD PhD 

Donders Institute for Brain, Cognition and Behaviour, 
Centre for Cognitive Neuroimaging,
Radboud University Nijmegen, The Netherlands

Max Planck Institute for Psycholinguistics,
Nijmegen, The Netherlands

J.Schoffelen at donders.ru.nl
Telephone: +31-24-3614793

http://www.hettaligebrein.nl

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