[Gimp-developer] quadratic conformal mapping

[Ben Thurston <benpaulthurston gmail com>]

This is a formula for doing conformal mappings that the cage transform and
stuff like text on quadratic path would be a special case of... I don't
know if there's been any effort to include stuff like this in Gimp or not...
http://benpaulthurstonblog.blogspot.com/2015/12/parameterized-quadratic-conformal.html