[GIS] DE-9IMã®ã¾ã¨ã‚ã£ã½ã„ã‚‚ã®ã€€2008-01-19 - ã“ã“ã®ã“ã¨ã¯ãªã‹ã£ãŸã“ã¨ã«ã™ã‚‹ã‹ã‚‚id:yellow_73:20080117#p2 (ã©ã¡ã‚‰ã‹ã¨ã„ã†ã¨é ‚ã„ãŸã‚³ãƒ¡ãƒ³ãƒˆ)ã®ä¸€éƒ¨ç¶šã。 OGS仕様ã¯ä¿ç•™ä¸â€¦ã€‚ DE-9IMã«ã¤ã„ã¦ã®ã¾ã¨ã‚ã£ã½ã„ã‚‚ã®ã¨ã„ã†ã‹ http://edndoc.esri.com/arcsde/9.1/general_topics/understand_spatial_relations.htm ã®å®Ÿè³ªã‚³ãƒ”ーをメモ。 ジオメトリã®å¤–ã€ã‚¸ã‚ªãƒ¡ãƒˆãƒªã®å¢ƒç•Œã€ã‚¸ã‚ªãƒ¡ãƒˆãƒªã®å†…部 ã«é ˜åŸŸã‚’分ã‘ã¦è€ƒãˆã¾ã™ã€‚ aã®å¤–ã€å¢ƒã€å†…を縦ã«ã€bã®å¤–ã€å¢ƒã€å†…を横ã«ã—ãŸã€3*3ã®ãƒžãƒˆãƒªã‚¯ã‚¹ã‚’作りã¾ã™ã€‚ マトリクスã®äº¤å·®(å…¨ã¦ã§3*3=9ã‚ã‚Šã¾ã™)ã«ã¤ã„ã¦ã€ãã‚Œãžã‚Œã§å…±é€šé ˜åŸŸã‚’抽出ã—ã€ãã®æ¬¡å…ƒã‚’交差ã«è¨˜éŒ²ã—ã¾ã™ã€‚空集åˆã«ãªã‚‹å ´åˆã¯-1ã¨ã—ã¾ã™ã€‚ å…¨ã¦ã®äº¤å·®ã«ã¤ã„ã¦ãƒ¢ãƒ‡ãƒ«ã¨æ¯”較ã—ã¦ã€True/False を記録ã—ã¾ã™ã€‚ モデルマトリクスã§Tã«ãªã£ã¦ã„る交差ã¯ã€è¨ˆç®—ã•ã‚ŒãŸãƒžãƒˆãƒªã‚¯ã‚¹ã§ã¯-1
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DE-9IM predicates inspector r(geom1, geom2) - Relevant, Timely, and Accurate
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