对跖

计算地球上表面与指定点直径相对的点。

...可能是最简单的crate？;-)

示例

use antipode::antipode;

let coord = (60.394306,  5.325919); // Bergen, Norway
let expected = (-60.394306, -174.674081);  // Somewhere off the coast of New Zealand
assert_eq!(expected, antipode(coord));

lib.rs:

计算地理点的对跖点。