[FieldTrip] missing anatomy in source plot of ft_sourcegrandaverage

["Jörn M. Horschig"]

Hi Joram,

this might be a stupid question, but is there a grandavg{1}.anatomy 
field at all?

Best,
Jörn

On 1/31/2014 12:44 PM, Joram van Driel wrote:
> Hi all,
>
> I'm trying to plot the grand average of a source analysis. However no 
> matter what I try, the result of ft_sourcegrandaverage keeps giving me 
> only the functional data, no anatomy.
>
> My cfg for ft_sourceplot is:
>
> cfg = [];
> cfg.method        = 'ortho';
> cfg.interactive   = 'no';
> cfg.funparameter  = 'avg.pow';
> cfg.maskparameter = cfg.funparameter;
> cfg.funcolorlim   = [0 0.2];
> cfg.opacitylim    = [0 0.2];
> cfg.opacitymap    = 'rampup';
>
> ft_sourceplot(cfg,grandavg{1})
>
> I thus created my own grandaverage, like this (where 
> sourceDiffAll{:,:} is a subject-by-condition cell structure):
>
> temp = zeros([length(nsubjects) size(sourceDiffAll{1,1}.avg.pow)]);
> for s=1:length(nsubjects)
>     temp(s,:,:,:) = sourceDiffAll{s,2}.avg.pow - 
> sourceDiffAll{s,1}.avg.pow; % create condition contrast
> end
> customavg = sourceDiffAll{1,1}; % just copy one subject one condition
> customavg.avg.pow = squeeze(mean(temp,1)); % and replace power with 
> the grand average power condition-contrast
>
> Now using ft_sourceplot on customavg works just fine.
> Any idea of what's going wrong with ft_sourceplot on 
> ft_sourcegrandaverage?
> Thanks!
>
> - Joram
>
>
> -- 
> Joram van Driel, MSc.
> PhD student @ University of Amsterdam
> Brain & Cognition @ Department of Psychology
>
>
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-- 
Jörn M. Horschig
PhD Student
Donders Institute for Brain, Cognition and Behaviour
Centre for Cognitive Neuroimaging
Radboud University Nijmegen
Neuronal Oscillations Group
FieldTrip Development Team

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