[FieldTrip] layout file from beamformer
Tyler Grummett
tyler.grummett at flinders.edu.au
Fri May 23 10:04:12 CEST 2014
Hey Julian,
That sounds good, it would be awesome if you could give me an example.
Also though, what are the steps of using ft_prepare_layout with beamformer data. I am away it gives you permissions, but how do you enter that into ft_prepare_layout.
This is only for using in trentool, otherwise I would be using your method
Tyler
On 23 May 2014, at 4:40 pm, "Julian Keil" <julian.keil at gmail.com<mailto:julian.keil at gmail.com>> wrote:
Dear Tyler,
I recently had a similar problem.
I solved this by plotting the x,y,z-coordinates of all dipoles within the BEM-Model and assign a color value depending on the power value to the dipole markers.
In short: use ft_triplot to plot the mesh of the BEM. Then select the .pos-field of the dipoles inside your volume and plot them with plot3.
In the plot3-step, you can assign each dipole a 'Color'-property based on your power or stats value.
Alternatively, you can use ft_prepare_layout to get a planar projection of your sources, but at least in my case it did not look too good.
Hope that helps, if you want to, I can send you an example of what the plots look like.
Best,
Julian
Am 23.05.2014 um 04:10 schrieb Tyler Grummett:
Hello fieldtrippers,
I am trying to create a layout file that has the positions of the beamformer sources.
The output of my beamformer analysis was 1400 channels and I am trying to create a layout file with certain position which correspond to certain sources.
For example, if I wanted to plot 30 sources and all I had were the x y z position.
I am hoping that this made sense, I cant quite work out what I should be asking for. I have worked out how to plot the power of the sources, but
ft_topoplotIC is asking for a layout file (after I ran an ICA over it), which I cant work out how to make.
Tyler
*************************
Tyler Grummett ( BBSc, BSc(Hons I))
PhD Candidate
Brain Signals Laboratory
Flinders University
Rm 5A301
Ext 66124
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