Yeah I find this method way easier to understand than scan conversion. Fabian Giesen has a great series of articles from 2011 that explains it well[0].

Also the original 1988 paper by Pineda is a surprisingly easy read, and it's only 4 pages![1]

[0]: https://fgiesen.wordpress.com/2011/07/06/a-trip-through-the-...

[1]: https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.15...