Freeview does support surface-based ROI drawing. There is a Path/Custom Fill tool button on the left pane. Once it is checked, you should see a bunch of tool buttons similar to what tksurfer had for ROI drawing.

Ruopeng

On Sep 10, 2020, at 10:27 AM, Jesse Gomez <jessegomez@princeton.edu> wrote:

External Email - Use Caution

Hello,

I noticed tksurfer disappeared in the new 7.1 version of freesurfer. While it's still present in older versions of course, it no longer runs on 64-bit only operating systems (e.g. OSX Catalina). Is tksurfer going to be updated? It seems to be the only way to draw labels and ROIs on a surface. Is there an alternative? Freeview, as far as I can tell, only has volume-based ROI-drawing methods. This surface label feature in tksurfer was fairly critical for many analyses; I do hope it's on its way back.

All the best,

Jesse

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