2009å¹´07æ08æ¥ mysqlã®ç©ºéæ¡å¼µå¯¾å¿ãé²ãã§ãããï¼ï¼C/Wï¼Postgres使ããªãPostGIS使ãããï¼ ååãè¦ã¤ãã¦ããããã¿ããã¯ãæãã§ç³ã訳ãªãã®ã§ãã...ã mysqlã®ç©ºéæ¡å¼µã¨è¨ãã°ã空éã¤ã³ããã¯ã¹ã§MBRï¼æå°å¤æ¥ç©å½¢ï¼ãã¼ã¹ã®çµè¾¼ã¿ãã§ãããããã§ãå¾ã¯æ²é»æ°ãããã¦ã¼ã¶é¢æ°ã§distance_sphereéçºããããã¨ããããããæãã ã£ããã§ãããã©ããè£ã§ã¯ã¾ã ãã¼ã¿çãªããã大åããããªæ©è½ã追å ããã¦ãã¿ããã§ããã Categories: MySQLDevelopment | Software Preview | GIS Functions BUFFER(g1 geometry, d numeric) returns a Geometry defined by buffering a distance d around g1 where
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