MongoDBã®åœ°ç†ç©ºé–“ã®ã‚¤ãƒ³ãƒ‡ãƒƒã‚¯ã‚¹ã‚’試ã—ã¦ã¿ã‚‹ - 今日もé©å½“ダイアリー
MongoDBé¢ç™½ã„ã§ã™ã。 ドã‚ュメントãŒè¦ªåˆ‡ãªã®ã§ã‚ã‚ŠãŒãŸã„ã®ã§ã™ãŒã€ãªã‹ãªã‹æ—¥æœ¬èªžã®è¨˜äº‹ãŒç„¡ã‹ã£ãŸã‚Šã™ã‚‹ã®ã§ã€Geospatial Indexingã«ã¤ã„ã¦è©¦ã—ã¦ã¿ãŸäº‹ã‚’投稿ã—ã¾ã™ã‚ˆï¼ マニュアル：MongoDB internal corp site Geospatial Indexing 㯠MongoDB ver1.3.3以上ã§ä½¿ãˆã¾ã™ã€‚ 地ç†ç©ºé–“ã®ã‚¤ãƒ³ãƒ‡ãƒƒã‚¯ã‚¹ã¨ã¯ èªã‚“ã§å—ã®ã”ã¨ããªã®ã§ã™ãŒã€MongoDBã§ã¯äºŒæ¬¡å…ƒåœ°ç†ç©ºé–“æƒ…å ±ï¼ˆå¤šãã®å ´åˆã€ç·¯åº¦çµŒåº¦æƒ…å ±ï¼‰ã‚’ã‚¤ãƒ³ãƒ‡ãƒƒã‚¯ã‚¹ã¨ã—ã¦æ¤œç´¢ã‚’ã‹ã‘ã‚‹ã“ã¨ãŒå‡ºæ¥ã¾ã™ã€‚ 最近ã®ã‚¬ãƒ©ã‚±ãƒ¼ã‚„スマートフォンã‹ã‚‰ã¯ç°¡å˜ã«GPS機能を利用ã™ã‚‹ã“ã¨ã‚‚ã§ãã¾ã™ã—ã€PCブラウザãªã©ã§ã‚‚ä½ç½®æƒ…å ±ã‚’å–得出æ¥ã‚‹ã‚ˆã†ã«ãªã£ãŸã‚Šã€html5ã®Geolocation API（厳密ã«ã¯HTML5ã«å«ã¾ã‚Œã¦ã¯ã„ãªã„）ã®ç™»å ´ãªã©ã§ã€ä»Šå¾Œã€ã¾ã™ã¾ã™ä½ç½®æƒ…å ±ã®åˆ©ç”¨é »åº¦ã¯é«˜ããªã‚‹ã‚“ã˜
MongoDBã¨ä½ç½®æƒ…å ± ～地ç†ç©ºé–“インデックスã®ç´¹ä»‹
The document demonstrates various geospatial queries in MongoDB including indexing locations, saving a document with a location, and queries to find documents within a distance, box, or circle of a point. It shows how to find the nearest document to a point, limit the maximum distance, and use spherical geometry for more accurate distance calculations over large areas.Read less
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Using Geokit with Searchlogic - Binary Logic
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