Circular Area Plugin for OpenTabletDriver

Circular mapping for tablet areas.

Quick start guide:

Install Circular Area from the OpenTabletDriver plugin manager.
Enable one of the Circular Area mappings in the filters tab and apply the setting.

Recommended mappings: FG-Squircular Mapping, FG-Squircular Mapping Inverse, Elliptical Grid Mapping, or Elliptical Grid Mapping Inverse.

FAQ

Layman's Guide to Circular Area

Mappings Index

Dev Docs

Huge thanks to X9VoiD for helping majorly with the code, Chamberlain Fong's great research papers: (1, 2) and blog for explaining all these mapping transformations and this post by Marc B. Reynolds for 3 of the mappings.