What kind of data does one display in an “OVERLAY” file?

Matt.

From: <freesurfer-bounces@nmr.mgh.harvard.edu> on behalf of "Katsumi, Yuta" <YKATSUMI@mgh.harvard.edu>
Reply-To: Freesurfer support list <freesurfer@nmr.mgh.harvard.edu>
Date: Thursday, June 18, 2020 at 5:43 PM
To: Freesurfer support list <freesurfer@nmr.mgh.harvard.edu>
Subject: [Freesurfer] Visualization of FreeSurfer overlays in the HCP format

Dear FreeSurfer community,

I would like to be able to display OVERLAY files generated in FreeSurfer on a surface in the HCP’s Workbench (e.g., on fs_LR surf.gii). The HCP team states in their documentation (https://wiki.humanconnectome.org/display/PublicData/HCP+Users+FAQ#HCPUsersFAQ-9.HowdoImapdatabetweenFreeSurferandHCP?) that any surfaces to be converted to fs_LR need to be in .gii first, but I know mris_convert doesn’t take overlay files as input. It would be great if you could please let me know how I might be able to achieve this task.

Thanks,

Yuta

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