[FieldTrip] convert mri headmodel from ctf to mni

jan-mathijs schoffelen jan.schoffelen at donders.ru.nl
Tue Jun 3 09:19:07 CEST 2014


Hi Tyler,

Try using ft_volumenormalise on your variabl mri.

JM

On Jun 3, 2014, at 3:04 AM, Tyler Grummett <tyler.grummett at flinders.edu.au> wrote:

> hello fieldtrippers,
> 
> I recently worked out how to create virtual channels using beamformer and an atlas.
> 
> However, now i have the problem of plotting the data using ft_sourceplot.
> 
> The atlas has mni coordinates, but the mri headmodel has ctf coordinates.
> 
> atlas = 
> 
>             dim: [91 109 91]
>             hdr: [1x1 struct]
>       transform: [4x4 double]
>            unit: 'mm'
>          tissue: [91x109x91 double]
>     tissuelabel: {116x1 cell}
>        coordsys: 'mni'
> 
> mri = 
> 
>       anatomy: [256x256x256 double]
>           dim: [256 256 256]
>     transform: [4x4 double]
>      coordsys: 'ctf'
>          unit: 'mm'
>           cfg: [1x1 struct]
> 
> 
> Is there a way to change either so that I can plot the data?
> 
> Tyler
> 
> *************************
> 
> Tyler Grummett ( BBSc, BSc(Hons I))
> PhD Candidate
> Brain Signals Laboratory
> Flinders University
> Rm 5A301
> Ext 66124
> _______________________________________________
> fieldtrip mailing list
> fieldtrip at donders.ru.nl
> http://mailman.science.ru.nl/mailman/listinfo/fieldtrip

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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