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Hi Phillip
The flattening preserves vertex correspondence between the flat maps and all
our surfaces (for that hemisphere). So if you can map data onto the flattened
patches, you should be able to look up the vertex index and use that to go
from flat patch to white or pial or inflated (which all have the same number
of vertices)
Cheers
Bruce
From: freesurfer-boun...@nmr.mgh.harvard.edu
<freesurfer-boun...@nmr.mgh.harvard.edu> On Behalf Of Phillip Tran
Sent: Friday, August 4, 2023 11:37 AM
To: freesurfer@nmr.mgh.harvard.edu
Subject: [Freesurfer] Is there an inverse function to mris_flatten?
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Hello FreeSurfer team,
I'm new to FreeSurfer and would greatly appreciate your help. My objective is
to reverse the flattening process of mris_flatten.
I successfully got flatmaps by using mris_flatten on "bert" inflated
hemispheres with manual relaxation cuts (in Freeview/tksurferfv as opposed to
deprecated tksurfer) as directed by these instructions:
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I also have a small 2-D patch of non-MRI image data that's been registered to
and fused with the hemisphere flatmap. Is there an inverse function or
procedure for mris_flatten?
E.g.: I would input a .dcm/.jpg/etc. containing the patch-fused flatmap, then
get in response the original inflated hemisphere with the fused patch
appropriately deformed to fit the 3d shape.
Then, is there potentially a way to return the patch-fused inflated hemisphere
back into the pial surface from which it was inflated?
FreeSurfer version:
freesurfer-linux-ubuntu22_x86_64-7.4.1-20230614-7eb8460
Ubuntu version:
22.04.2 Jammy Jellyfish
Thank you for your time,
Phillip
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