d3 turf great circle code example
Example: turf greatcircle example
var start = turf.point([-122, 48]);
var end = turf.point([-77, 39]);
var greatCircle = turf.greatCircle(start, end, {'name': 'Seattle to DC'});
var start = turf.point([-122, 48]);
var end = turf.point([-77, 39]);
var greatCircle = turf.greatCircle(start, end, {'name': 'Seattle to DC'});