fixed that, argh, just another index+1—ok, maybe not, still a bunch of missing arcs
removed +1’s where necessary because 3rd column should now represent 3 index, not topojson
oh fuck, why isn’t that last change to topojson resulting in plots of the shared borders?
conflict w/rtopojson package of “remove(maptools)"
ok, env was dirty. bitflipper2 doing the right indexing. but still some 15-odd shared boundaries not showing up as shared, regardless of length. problem with as.factor() method for dropping?
using higher quantization (less precision) to simplify arcs somewhat