Question: How are Moebius degrees of freedom handled

[nikolas-claussen]

Hello,

thank you for this excellent tool. I want to use it as part of a surface-to-surface registration pipeline for biological image analysis (by mapping each surface to a disk or sphere). Could you briefly explain how the residual Moebius transformation degrees of freedom are handled by the code? Are the maps to the sphere/disk automatically centered as described in Möbius Registration, Baden, Crane & Kazhdan 2018?

Thanks,
Nikolas

[rohan-sawhney]

Thanks Nikolas! Yep, BFF implements Algorithm 1 from the 2018 Möbius Registration paper. See here:

boundary-first-flattening/src/project/Bff.cpp

Line 576 in 6924b2f

void BFF::centerMobius()