We usually create nifti or mgz files to use as overlays both for the volume or the surface. Is this what you mean?

Dear Freesurfer Experts,

I am a student at the technical university of Delft and currently working on a project to automatically visualize the cortical thickness data of children. To automatically visualize the data I want to use Freeview, to use Freeview as visualization tool I have to write brain specific layout files. To do this automatically I want to know what the layout for the overlay files is, so Freeview can read them automatically. The data for the layout files should be different per brain, I have already acquired the data and I am ready to write it to a layout file, but I can't figure out what the standard way of writing a layout file is, without having to manually do anything. The language in which I want to write the code is Python.

Kind regards,

Eloy Geenjaar 

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