http://u.qdnx.org/file/rozzin-20170721T172349-4l4pwf4.html
@solariiknight, areal vs. linear vs. angular distortion is a standard #tradeoff in #cartography, similarly to #photography trade-off of `ultrawide lenses that preserve straight lines' vs. `fisheye lenses that preserve the shape of people's heads'. !osm