Test bed for projection.clipPolygon()
(Russia in orange because as the country that crosses the antimeridian line and seems to make things explode in some cases.)
forked from espinielli's block: Icosahedron
forked from Fil's block: Icosahedron
https://d3js.org/d3.v4.min.js
https://d3js.org/topojson.v2.min.js
https://unpkg.com/d3-geo
https://d3js.org/d3-geo-projection.v2.min.js
https://unpkg.com/d3-geo-polygon
https://recifs.neocities.org/d3-geo-projection-clip-polyhedral.js