给定一个中心点和一组点,是否有一个宝石/函数,我可以看到哪些点离原点最远,彼此相距最小距离?
def find_furthest origin, set, min_distance
#
end
http://www.esawdust.com/blog/gps/files/HaversineFormulaInRuby.html
{"lat"=>43.643326, "lng"=>-79.3831843}
[{"lat"=>43.64506, "lng"=>-79.384136},
{"lat"=>43.642806, "lng"=>-79.380683},
{"lat"=>43.645062, "lng"=>-79.384126},
{"lat"=>43.644701, "lng"=>-79.384699},
{"lat"=>43.644987, "lng"=>-79.383204},
{"lat"=>43.64506, "lng"=>-79.384136},
{"lat"=>43.644537, "lng"=>-79.385584},
{"lat"=>43.643393, "lng"=>-79.380678},
{"lat"=>43.642736, "lng"=>-79.381281},
{"lat"=>43.642487, "lng"=>-79.382914},
{"lat"=>43.642426, "lng"=>-79.383248},
{"lat"=>43.642415, "lng"=>-79.383254},
{"lat"=>43.645099, "lng"=>-79.383252},
{"lat"=>43.642425, "lng"=>-79.383374},
{"lat"=>43.64482, "lng"=>-79.385219},
{"lat"=>43.64482, "lng"=>-79.385219},
{"lat"=>43.645082, "lng"=>-79.38379},
{"lat"=>43.64333, "lng"=>-79.380654},
{"lat"=>43.644535, "lng"=>-79.385171},
{"lat"=>43.64482, "lng"=>-79.385219}]