{"provider_url":"https://hatena.blog","version":"1.0","categories":["mysql","gis","spatial","newfunc"],"blog_title":"sakaik\u306e\u65e5\u3005\u96d1\u611f\uff5e(T)\u7de8","type":"rich","height":"190","provider_name":"Hatena Blog","url":"https://sakaik.hateblo.jp/entry/20260308/STX_DWithin_func","author_name":"sakaik","published":"2026-03-08 23:08:01","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsakaik.hateblo.jp%2Fentry%2F20260308%2FSTX_DWithin_func\" title=\" MySQL GIS\u62e1\u5f35\u95a2\u6570\uff1a STX_Dwithin() - 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>","blog_url":"https://sakaik.hateblo.jp/","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/s/sakaik/20260222/20260222081750.png","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 STX_Dwithin(g1, g2, dist) \u3075\u305f\u3064\u306e\u30b8\u30aa\u30e1\u30c8\u30ea\u306e\u9593\u306e\u8ddd\u96e2\u304c\u3001\u7b2c3\u5f15\u6570\u306e\u7bc4\u56f2\u5185\u304b\u3092\u5224\u5b9a\u3057\u3066 1(\u7bc4\u56f2\u5185)\u304b 0(\u7bc4\u56f2\u5916)\u3092\u8fd4\u3059\u3002 \u52d5\u4f5c\u7d39\u4ecb \u8fba\u304c 3,4,5\u306e\u9577\u3055\u3068\u306a\u308b\u76f4\u89d2\u4e09\u89d2\u5f62\u306e\u659c\u8fba\u306e\u9577\u3055\u306f5 (\u3064\u307e\u308a 5 \u4ee5\u5185\u304b\u3001\u306e\u5224\u5b9a\u306f True(1)\uff09 mysql> SELECT STX_DWithin( -> ST_GeomFromText('POINT(0 0)'), -> ST_GeomFromText('POINT(3 4)'), -> 5 -\u2026","width":"100%","title":" MySQL GIS\u62e1\u5f35\u95a2\u6570\uff1a STX_Dwithin()","author_url":"https://blog.hatena.ne.jp/sakaik/"}