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Thanks Tim.
I'd like a set of points on the surface to compare across subjects,
where there are the same number of points for each subject and they're
roughly in the same "physiological position" on each subject. So again,
if on my atlas I have a point which is at the top of the ctx-rh-fusiform
sulcus, I'd like that point to be registered to the top of the
ctx-rh-fusiform sulcus in my subjects.
On 11/05/2020 13:49, Tim Schäfer wrote:
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The registration registers the meshes, but it does not alter the number of
vertices in them. There is no 1-to-1 correspondence between the vertices of the
2 meshes.
May I ask why you need this? What do you want to achieve?
Tim
On May 11, 2020 at 2:11 PM Ian <ian@mode7.games> wrote:
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I'm just going to try this again, but this time with a different command:
mris_apply_reg --src-xyz
/usr/local/freesurfer/subjects/fsaverage/surf/lh.white --trg
/home/ian/lh_reg.white --streg
/usr/local/freesurfer/subjects/fsaverage/surf/lh.sphere.reg
/obd-fs/proc/my_subject/freesurfer/surf/lh.sphere.reg"
This gives me the same issue - fsaverage/surf/lh.white has 300k+ points
in it, and the output of this command has fewer than half that.
I do not understand what kind of registration would reduce the number of
points. What is the relationship between the first point in --src_xyz
file and the first point in the output registered file? If I halved the
number of points in the input, would I expect the output to be half the
size? Or less?
I'm sure there's a simple explanation that I don't have my head around
just yet - thank you for your patience.
Ian
On 07/05/2020 22:45, Douglas N. Greve wrote:
Isn't that what you got from the mri_surf2surf command?
On 5/7/2020 3:08 PM, Ian Hardingham wrote:
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University Hospital Frankfurt, Goethe University Frankfurt am Main, Germany
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