paper forms of this have existed in land surveying ... for a long time. Mind, they didn't follow quadtree, just "useful at the time" scaling. From my vague

paper forms of this have existed in land surveying ... for a long time. Mind, they didn't follow quadtree, just "useful at the time" scaling. From my vague memories of working with this and data in 1992-1993, I think older references often involved polyconic map coordinates. https://en.wikipedia.org/wiki/Rectangular_polyconic_projection https://en.wikipedia.org/wiki/Rectangular_polyconic_projecti...