{"id":1054,"date":"2010-01-05T07:16:19","date_gmt":"2010-01-05T07:16:19","guid":{"rendered":"http:\/\/www.gisdeveloper.co.kr\/?p=1054"},"modified":"2017-01-29T09:44:26","modified_gmt":"2017-01-29T00:44:26","slug":"sutherland-hodgman-polygon-clipping-%ec%95%8c%ea%b3%a0%eb%a6%ac%ec%a6%98","status":"publish","type":"post","link":"http:\/\/www.gisdeveloper.co.kr\/?p=1054","title":{"rendered":"[GIS] Sutherland-Hodgman Polygon Clipping \uc54c\uace0\ub9ac\uc998"},"content":{"rendered":"<p>\ud558\ub098\uc758 \ub9e4\uc6b0 \ud070 \ud3f4\ub9ac\uace4\uc758 \uc77c\ubd80\ub97c \ud654\uba74\uc0c1\uc5d0\uc11c \ud655\ub300\ud560 \uacbd\uc6b0\uc5d0 \ub80c\ub354\ub9c1 \uc18d\ub3c4\uac00 \ub9e4\uc6b0 \ub290\ub824\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \ud55c\ubc18\ub3c4 \uc804\uc5ed\uc744 \uc544\uc6b0\ub974\ub294 \ud070 \ud558\ucc9c \uc218\uacc4\ub97c \ud558\ub098\uc758 \ud3f4\ub9ac\uace4\uc73c\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\uc744 \uacbd\uc6b0\uc5d0.. \uc774 \ud3f4\ub9ac\uace4\uc744 \ud654\uba74\uc0c1\uc5d0 \ubaa8\ub450 \uadf8\ub824\uc9c0\ub3c4\ub85d \ud560 \uacbd\uc6b0 \ub80c\ub354\ub9c1 \uc18d\ub3c4\uc5d0\ub294 \ud070 \ubb38\uc81c\uac00 \uc5c6\uc73c\ub098 \uc774\ub97c \uc810\ucc28\uc801\uc73c\ub85c \ud655\ub300\ud574 \uac08\uc218\ub85d \uadf8\ub9ac\uae30 \uc18d\ub3c4\ub294 \uc810\uc810 \ub354&#8230; \uadf8\ub9ac\uace0 \ud6e8\uc52c \ub290\ub824\uc9c0\uac8c \ub429\ub2c8\ub2e4.<\/p>\n<p>\uc774\ub7f0 \ud604\uc0c1\uc744 \ub9c9\uae30 \uc704\ud55c \uac00\uc7a5 \uc88b\uc740 \ubc29\ubc95\uc740 \ud654\uba74 \ubc16\uc73c\ub85c \ubc97\uc5b4\ub098\ub294 \ub300\ubd80\ubd84\uc758 \ud3f4\ub9ac\uace4 \uc601\uc5ed\uc744 \ub0a0\ub824 \ubc84\ub9ac\ub294 \uac83\uc785\ub2c8\ub2e4. \ubc14\ub85c \uc774\ub54c \uc801\uc6a9\ud560 \uc218 \uc788\ub294 \ud6a8\uc728\uc801\uc778 \uc54c\uace0\ub9ac\uc998\uc774 Sutherland-Hodgman Polygon Clipping \uc54c\uace0\ub9ac\uc998\uc785\ub2c8\ub2e4.<\/p>\n<p>\uc544\ub798\uc758 \uadf8\ub9bc\uc744 \uc0b4\ud3b4\ubcf4\uba74 \uc0ac\uac01\ud615 \uc601\uc5ed\uc758 \ud3f4\ub9ac\uace4\uacfc \uc798\ub824\ub098\uac08 \ud3f4\ub9ac\uace4\uc774 \uc874\uc7ac\ud569\ub2c8\ub2e4. \uc0ac\uac01\ud615 \uc601\uc5ed\uc758 \ud3f4\ub9ac\uace4\uc740 \ubaa8\ub2c8\ud130 \uc601\uc5ed\uc774\ub77c\uace0 \uc0dd\uac01\ud558\uba74 \uc774 \uc54c\uace0\ub9ac\uc998\uc744 \uc2e4\uc81c \uc9c0\ub3c4 \uc5d4\uc9c4\ub2e8\uc5d0 \uc801\uc6a9\ud560 \ub54c \uc774\ud574\uac00 \uc27d\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/www.gisdeveloper.co.kr\/wp-content\/uploads\/1\/1131721308.png\" alt=\"\uc0ac\uc6a9\uc790 \uc0bd\uc785 \uc774\ubbf8\uc9c0\" width=\"425\" height=\"376\" \/><br \/>\n\uc704\uc758 \uc0c1\ud669\uc5d0\uc11c Sutherland-Hodgman Polygon Clipping\uc744 \uc801\uc6a9\ud55c \uacb0\uacfc\ub294 \uc544\ub798\uc640 \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/www.gisdeveloper.co.kr\/wp-content\/uploads\/1\/1098896022.png\" alt=\"\uc0ac\uc6a9\uc790 \uc0bd\uc785 \uc774\ubbf8\uc9c0\" width=\"425\" height=\"376\" \/><br \/>\n\uc5ec\uae30\uc11c \uc8fc\uc758\ud560 \uc810\uc740.. \uc774 \uc54c\uace0\ub9ac\uc998\uc740 \ub2e8\uc9c0 \ud3f4\ub9ac\uace4 \ub80c\ub354\ub9c1\uc5d0 \uc801\uc6a9\ud560\ub9cc\ud558\ub2e4 \ub77c\ub294 \uc810\uc785\ub2c8\ub2e4. \uc774\uc678\uc758 \ubd80\ubd84\uc5d0 \ub300\ud574\uc11c\ub294 \ub2e4\ub978 \uc54c\uace0\ub9ac\uc998\uc744 \uc801\uc6a9\ud558\uae30 \ubc14\ub78d\ub2c8\ub2e4. \uadf8 \uc774\uc720\ub97c \uac04\ub2e8\ud788 \uc0b4\ud3b4\ubcf4\uba74 \ud558\ub098\uc758 \ud3f4\ub9ac\uace4\uc744 \ud654\uba74 \uc0ac\uac01\ud615\uc5d0 \ub300\ud574 \ud074\ub9ac\ud551\ud560\ub54c \ub2e4\uc218\uc758 \ud3f4\ub9ac\uace4\uc73c\ub85c \ubd84\ud560\ub418\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc740\ub370 Sutherland-Hodgman Polygon Clipping \uc54c\uace0\ub9ac\uc998\uc740 \ub2e4\uc218\uc758 \ud3f4\ub9ac\uace4\uc73c\ub85c \ubd84\ud560\ud558\uc9c0 \ubabb\ud558\uace0 \uadf8 \uacb0\uacfc \uc5ed\uc2dc \uc624\uc9c1 \ud558\ub098\uc758 \ud3f4\ub9ac\uace4\uc73c\ub85c \ud074\ub9ac\ud551\ud558\uac8c \ub429\ub2c8\ub2e4. \ud558\uc9c0\ub9cc&#8230; \uadf8\ub9ac\uae30 \uc704\ud55c \uae30\ub2a5\uc5d0\uc11c\ub9cc\ud07c\uc740 \uadf8 \uc5b4\ub5a0\ud55c \ud074\ub9ac\ud551 \uc54c\uace0\ub9ac\uc998\ubcf4\ub2e4 \ube60\ub978 \ud37c\ud3ec\uba3c\uc2a4\ub97c \uc81c\uacf5\ud558\ubbc0\ub85c \uc2e4\uc81c \uc801\uc6a9\ud560\ub9cc\ud55c \uc54c\uace0\ub9ac\uc998\uc785\ub2c8\ub2e4.<\/p>\n<p>\uc774 \uc54c\uace0\ub9ac\uc998\uc5d0 \ub300\ud55c \uc18c\uc2a4 \ucf54\ub4dc\ub97c \ud074\ub798\uc2a4\ud654\ud558\uc5ec \uc81c\uacf5\ud569\ub2c8\ub2e4. \uac04\ub2e8\ud788 \uc544\ub798\ucc98\ub7fc \uc801\uc6a9\ud558\uba74 \uc6d0\ud558\ub294 \uacb0\uacfc\ub97c \uc5bb\uc744 \uc218 \uc788\uc73c\ub9ac\ub77c \uc0dd\uac01\ub429\ub2c8\ub2e4. \uc0ac\uc6a9\ud558\ub294 \uc88c\ud45c\ub294 \ud654\uba74 \uc88c\ud45c\uacc4\uc785\ub2c8\ub2e4.<\/p>\n<pre>\r\nPolygonSHClipping clip;\r\n\r\n\/\/ \ud3f4\ub9ac\uace4 \uad6c\uc131(\uc2dc\uc791\uc810\uacfc \ub05d\uc810\uc740 \uac19\uc544\uc57c \ud568)\r\nclip.AddPoint(100, 100);\r\nclip.AddPoint(200, 100);\r\nclip.AddPoint(200, 200);\r\nclip.AddPoint(100, 200);\r\nclip.AddPoint(100, 100);\r\n\r\n\/\/ \ud074\ub9ac\ud551 \uc0ac\uac01\uc601\uc5ed \uc9c0\uc815\r\nclip.SetClippingWindow(0, 0, 150, 150);\r\n\r\n\/\/ \ud074\ub9ac\ud551\r\nclip.Clip();\r\n\r\n\/\/ \uc774\ud6c4 \ud074\ub9ac\ud551\ub41c \uc601\uc5ed\uc744 \uadf8\ub9ac\uae30 \uc704\ud574\uc11c \ub2e4\uc74c \ucf54\ub4dc\ub97c \ud638\ucd9c\ud560 \uc218 \uc788\ub2e4.\r\nclip.DrawOutput(hdc);<\/pre>\n<p>\uc774 \uc18c\uc2a4 \ucf54\ub4dc\uc758 \ud65c\uc6a9\uacfc \uc704\uc758 \uc774\ubbf8\uc9c0\uc5d0 \ub300\ud55c \ub300\ud55c \ub370\ubaa8\uc5d0 \ub300\ud55c \uc804\uccb4 \ucf54\ub4dc\ub294 \uc544\ub798\ub97c \ud1b5\ud574 \ub2e4\uc6b4\ub85c\ub4dc \ubc1b\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub9c8\uc6b0\uc2a4 \uc67c\ucabd \ubc84\ud2bc\uc73c\ub85c \ud3f4\ub9ac\uace4\uc744 \uad6c\uc131\ud558\uace0 \uc624\ub978\ucabd \ubc84\ud2bc\uc744 \ub204\ub974\uba74 \ud074\ub9ac\ud551\ub41c \ud3f4\ub9ac\uace4\uc774 \ud654\uba74\uc0c1\uc5d0 \ud45c\uc2dc\ub429\ub2c8\ub2e4.<\/p>\n<p style='text-align:center'><a href=\"http:\/\/www.gisdeveloper.co.kr\/wp-content\/uploads\/1\/1289798537.zip\"><img width='64' src='\/images\/download.svg' \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud558\ub098\uc758 \ub9e4\uc6b0 \ud070 \ud3f4\ub9ac\uace4\uc758 \uc77c\ubd80\ub97c \ud654\uba74\uc0c1\uc5d0\uc11c \ud655\ub300\ud560 \uacbd\uc6b0\uc5d0 \ub80c\ub354\ub9c1 \uc18d\ub3c4\uac00 \ub9e4\uc6b0 \ub290\ub824\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \ud55c\ubc18\ub3c4 \uc804\uc5ed\uc744 \uc544\uc6b0\ub974\ub294 \ud070 \ud558\ucc9c \uc218\uacc4\ub97c \ud558\ub098\uc758 \ud3f4\ub9ac\uace4\uc73c\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\uc744 \uacbd\uc6b0\uc5d0.. \uc774 \ud3f4\ub9ac\uace4\uc744 \ud654\uba74\uc0c1\uc5d0 \ubaa8\ub450 \uadf8\ub824\uc9c0\ub3c4\ub85d \ud560 \uacbd\uc6b0 \ub80c\ub354\ub9c1 \uc18d\ub3c4\uc5d0\ub294 \ud070 \ubb38\uc81c\uac00 \uc5c6\uc73c\ub098 \uc774\ub97c \uc810\ucc28\uc801\uc73c\ub85c \ud655\ub300\ud574 \uac08\uc218\ub85d \uadf8\ub9ac\uae30 \uc18d\ub3c4\ub294 \uc810\uc810 \ub354&#8230; \uadf8\ub9ac\uace0 \ud6e8\uc52c \ub290\ub824\uc9c0\uac8c \ub429\ub2c8\ub2e4. \uc774\ub7f0 \ud604\uc0c1\uc744 \ub9c9\uae30 \uc704\ud55c &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/www.gisdeveloper.co.kr\/?p=1054\" class=\"more-link\">\ub354 \ubcf4\uae30<span class=\"screen-reader-text\"> &#8220;[GIS] Sutherland-Hodgman Polygon Clipping \uc54c\uace0\ub9ac\uc998&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[39,5],"class_list":["post-1054","post","type-post","status-publish","format-standard","hentry","category-algorithms","tag-algorithm","tag-gis"],"_links":{"self":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/1054","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1054"}],"version-history":[{"count":1,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/1054\/revisions"}],"predecessor-version":[{"id":3394,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/1054\/revisions\/3394"}],"wp:attachment":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1054"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1054"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1054"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}