摘要: var x_pi = 3.14159265358979324 * 3000.0 / 180.0; var pi = 3.1415926535897932384626; var a = 6378245.0; var ee = 0.00669342162296594323; //判断是否在国内,不在国内 阅读全文
posted @ 2020-03-26 16:49 绯颜旧雨 阅读(289) 评论(0) 推荐(0) 编辑
摘要: 转载:https://blog.csdn.net/tiny_zgb/article/details/90084911 阅读全文
posted @ 2020-03-26 15:45 绯颜旧雨 阅读(143) 评论(0) 推荐(0) 编辑