Torben Jansen

@jrus Ah no, I wasn't aware of it. But while I was working on the topic I also implemented Carlson’s elliptic integral of the first kind, RF(x, y, z) after...

@jrus If you want to revisit the Guyou / Peirce quincuncial you might want to take a look here: https://observablehq.com/d/fc1d2db223f7ed90 I've started to implement them following Snyder's _Album of map...

I think the sinucyli would be a nice addition. Here's a notebook with the Lambert azimuthal equa area -> Albers conic equal area blend, that is shown in the video...