緯度ã»çµåº¦ããè·é¢ãæ±ããæ¹æ³ã«åºã¥ãã¦2ç¹ã®è·é¢ãæ±ãã¦ã¿ãã 次ã®2ç¹ãèãã¦ã¿ãã座æ¨ç³»ã¯10é²æ°ã®ä¸ç測å°ç³»ã§ããã é§ å 緯度 çµåº¦ æ±äº¬é§ (1) 35.680737 139.767044 ç¥ç°é§ (2) 35.691569 139.770654 æ±äº¬é§ ã¨ç¥ç°é§ ã¨ã®è·é¢ã¯ï¼ çµåº¦ã®å·® Îλ = (139.770654 - 139.767044) * (3.141592 / 180) = 6.30063728888889e-05 緯度ã®å·® ÎÏ = (35.691569 - 35.680737) * (3.141592 / 180) = 0.000189054025244444 æ±è¥¿ã®å·® Îx = A Îλ cos Ï1 = 6378137 * 6.30063728888889e-05 * Math.cos(35.680737 * (3.141592 / 180)) = 326.42
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