Here's a link to an editable copy of one of those maps to get a feel for how it works (changes won't be saved) -- <a href="https://www.plectica.com/maps/embedded/CW8BMJWS3/edit" rel="nofollow">https://www.plectica.com/maps/embedded/CW8BMJWS3/edit</a><p>We've made some tradeoffs between flexibility and constraints/structure here -- any feedback is most welcome!