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For those trying to contextualize this, CindyJS is based on Cinderella, a geometry framework developed by Jürgen Richter-Gebert. He also wrote a book called "Pe

For those trying to contextualize this, CindyJS is based on Cinderella, a geometry framework developed by Jürgen Richter-Gebert. He also wrote a book called "Perspectives on Projective Geometry" where he goes into full detail about the mathematics behind this framework. I had previously created a hackernews thread about this (amazing) book, to see if anyone wanted to do a reading group with me on it, but didn't get many takers: https://news.ycombinator.com/item?id=23371641 https://news.ycombinator.com/item?id=23371641

nikpmup 6y ago
Thanks for this link. I wasn't aware of the book, but this "theoretical background" page on the Cinderella website made a big impression on me years ago. Maybe it would work as a taster for your proposed group. https://doc.cinderella.de/tiki-index.php?page=Theoretical+Background https://doc.cinderella.de/tiki-index.php?page=Theoretical+Ba...
vanderZwan 6y ago
> Jürgen Richter-Gebert Ah, that explains the "Adminfiles Zugefügt" commit https://github.com/CindyJS/CindyJS/commit/2ccb3e07b0bde0477782ac550a3849c83609e8fc https://github.com/CindyJS/CindyJS/commit/2ccb3e07b0bde04777...