it's the ?h.sphere so that folding isn't an issue
On Tue, 4 Feb 2014,
Martin Luessi wrote:
Hi Bruce,
Thanks for your reply. This makes sense. One remaining question is which
surface is used to compute the eigen-axis, is it the white surface?
Best,
Martin
On 02/03/14 15:27, Bruce Fischl wrote:
Hi Christian and Martin
mris_divide_parcellation finds the primary eigen-axis of the
parcellation along the cortical surface, then splits it up into as many
units as specified (either enough to get it under the area threshold, or
explicitly specifed in a split file)
cheers
Bruce
p.s. the code is open source so you are always welcome to grab it and
take a look
On Mon, 3 Feb 2014, Martin Luessi wrote:
I'm wondering about this as well. It would be great if someone who is
familiar with the FreeSurfer code could explain the split algorithm.
Best,
Martin
On 01/29/14 14:36, Christian Brodbeck wrote:
Dear Freesurfer developers,
I am trying to replicate mris_divide_parcellation for mne-python
(https://github.com/mne-tools/mne-python/pull/1085). I think I am
doing the same as the MRISdivideAnnotationUnit function
(https://github.com/neurodebian/freesurfer/blob/master/utils/annotation.c#L473),
but the result still looks different. Could someone point out how
exactly the split is done, and if there are any steps in addition to
the function? Are there any measures that are taken when the split
would result in two disconnected regions belonging to the same label?
And what surface is the split performed on (I would assume that would
be “white”)?
Thank you!
Christian
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