{"height":"190","author_name":"sakaik","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/s/sakaik/20260328/20260328183200.png","title":" MySQL GIS\u62e1\u5f35\u95a2\u6570\uff1a STX_MinimumBoundingCircle()","type":"rich","blog_title":"sakaik\u306e\u65e5\u3005\u96d1\u611f\uff5e(T)\u7de8","version":"1.0","url":"https://sakaik.hateblo.jp/entry/20260328/STX_MinimumBoundingCircle_func","published":"2026-03-28 19:02:06","author_url":"https://blog.hatena.ne.jp/sakaik/","categories":["mysql","gis","spatial","newfunc"],"width":"100%","blog_url":"https://sakaik.hateblo.jp/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsakaik.hateblo.jp%2Fentry%2F20260328%2FSTX_MinimumBoundingCircle_func\" title=\" MySQL GIS\u62e1\u5f35\u95a2\u6570\uff1a STX_MinimumBoundingCircle() - sakaik\u306e\u65e5\u3005\u96d1\u611f\uff5e(T)\u7de8\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"\u81ea\u4f5c\u306e\u3001Spatial(GIS)\u95a2\u9023\u306e\u95a2\u6570\u3092MySQL\u306b\u8ffd\u52a0\u3059\u308b\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u95a2\u6570\u3092\u3072\u3068\u3064\u3072\u3068\u3064\u52d5\u4f5c\u78ba\u8a8d\u3057\u306a\u304c\u3089\u7d39\u4ecb\u3059\u308b\u30b7\u30ea\u30fc\u30ba\u3002 https://sakaik.hateblo.jp/entry/20260215/mysql_spatial_functions_plugin STX_MinimumBoundingCircle(geom [, segs]) \u6700\u5c0f\u5916\u63a5\u5186\u3092\u6c42\u3081\u3066\u3001Polygon \u3068\u3057\u3066\u8fd4\u3059\u95a2\u6570\u3002 \u52d5\u4f5c\u7d39\u4ecb \u6b63\u65b9\u5f62\u306e\u6700\u5c0f\u5916\u63a5\u5186\u3002\u5927\u91cf\u306ePOINT\u306b\u3088\u308a\u64ec\u4f3c\u7684\u306b\u5186\u3092\u8868\u73fe\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308b mysql> SET @g=ST_GeomFromText('POLYGON((0 0, 10 0,\u2026","provider_url":"https://hatena.blog","provider_name":"Hatena Blog"}