[Neuroimaging] [nipy/PySurfer] - add_foci in single-subject geometry

[Alexandre Gramfort]

hi,

you might want to look at this example:

https://martinos.org/mne/dev/auto_tutorials/plot_ecog.html

Alex


On Tue, May 8, 2018 at 6:34 PM, Gabriele Arnulfo <tartuz at gmail.com> wrote:
> Dear List,
>
> I have been trying to plot channel positions for intracerebral recordings in
> respect to single subject anatomy - i.e. pial surface.
> Following the tutorial at
> https://pysurfer.github.io/auto_examples/plot_foci.html#sphx-glr-auto-examples-plot-foci-py
> I was able to plot foci in locations but those look far from being correct.
>
> My contact positions are referenced to MRI-space but I know the
> transformation to map tkRAS to scannerRAS based on Freesurfer documentation.
> After applying that to my points, still those look in the wrong place.  From
> the tutorial, points are expressed as MNI coordinates.
>
> Can someone explain me which geometrical space the surfaces are rendered in
> PySurfer with respect to original Freesurfer surface-space?
>
> Thanks a lot for your time.
>
> All the best,
>
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