[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:

https://secure-web.cisco.com/1A7xoXmR8WDKrZnRfFGHzLvRwUtKyRcCICrInChTpRemfCw...

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