摘要: var GPS = { PI : 3.14159265358979324, x_pi : 3.14159265358979324 * 3000.0 / 180.0, delta : function (lat, lon) { // Krasovsky 1940 // // a = 6378245.0 阅读全文
posted @ 2020-12-05 09:37 dcrenl 阅读(3497) 评论(0) 推荐(0)