{"id":13110,"date":"2022-11-26T11:05:27","date_gmt":"2022-11-26T02:05:27","guid":{"rendered":"http:\/\/www.gisdeveloper.co.kr\/?p=13110"},"modified":"2022-11-26T12:57:40","modified_gmt":"2022-11-26T03:57:40","slug":"pyqgis%eb%a5%bc-%ec%9d%b4%ec%9a%a9%ed%95%9c-%eb%b2%a1%ed%84%b0-%eb%8d%b0%ec%9d%b4%ed%84%b0-%ec%b2%98%eb%a6%ac-3-%ec%86%8d%ec%84%b1-%eb%b0%8f-%ec%a2%8c%ed%91%9c-%ec%96%bb%ea%b8%b0","status":"publish","type":"post","link":"http:\/\/www.gisdeveloper.co.kr\/?p=13110","title":{"rendered":"pyQGIS\ub97c \uc774\uc6a9\ud55c \ubca1\ud130 \ub370\uc774\ud130 \ucc98\ub9ac 3 : \uc18d\uc131 \ubc0f \uc88c\ud45c \uc5bb\uae30"},"content":{"rendered":"<p><iframe loading=\"lazy\" width=\"1280\" height=\"720\" src=\"https:\/\/www.youtube.com\/embed\/3QqB1MWSkSs\" title=\"pyQGIS\ub97c \uc774\uc6a9\ud55c \ubca1\ud130 \ub370\uc774\ud130 \ucc98\ub9ac: 3) \ub808\uc774\uc5b4\uc758 \uc18d\uc131 \ubc0f \uc88c\ud45c \uc5bb\uae30\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>\ubca1\ud130 \ub370\uc774\ud130\ub294 \ud53c\uccd0(Feature)\ub77c\ub294 \ud56d\ubaa9\ub4e4\ub85c \uad6c\uc131\ub418\uba70 \ud53c\uccd0\ub294 \uc18d\uc131\uacfc \uc88c\ud45c\ub85c \uc815\uc758\ub429\ub2c8\ub2e4. \ubca1\ud130 \ub370\uc774\ud130\ub97c \uad6c\uc131\ud558\ub294 \ud53c\uccd0\uc5d0 \ub300\ud55c \uc18d\uc131\uacfc \uc88c\ud45c\ub97c \uc5bb\ub294 \ucf54\ub4dc\ub97c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uba3c\uc800 \ubca1\ud130 \ub370\uc774\ud130\uc758 \uc18d\uc131\uac12\uc5d0 \ub300\ud55c \ud544\ub4dc \uc815\ubcf4\ub294 \uc5bb\ub294 \ucf54\ub4dc\uc785\ub2c8\ub2e4.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\">\r\nQgsProject.instance().removeAllMapLayers()\r\nlayer = QgsVectorLayer(\"D:\/__Data__\/\uc138\uc885\ud2b9\ubcc4\uc790\uce58\uc2dc_36000\/TL_SPRD_MANAGE.shp\", \"TL_SPRD_MANAGE\", \"ogr\")\r\nQgsProject.instance().addMapLayers([layer])\r\n\r\nfor field in layer.fields():\r\n    print(field.name(), field.typeName(), field.length(), field.precision())\r\n<\/pre>\n<p>\uc2e4\ud589 \uacb0\uacfc\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.gisdeveloper.co.kr\/wp-content\/uploads\/2022\/11\/pgQGIS_attr.jpg\" alt=\"\" width=\"1144\" height=\"566\" class=\"alignnone size-full wp-image-13115\" \/><\/p>\n<p>\uadf8\ub9ac\uace0 \ubaa8\ub4e0 \ud53c\uccd0\uc758 \uac01 \ud544\ub4dc\uc758 \uac12\uc744 \uc5bb\uc5b4\uc624\ub294 \ucf54\ub4dc\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\">\r\nQgsProject.instance().removeAllMapLayers()\r\n\r\nlayer = QgsVectorLayer(\"D:\/__Data__\/\uc138\uc885\ud2b9\ubcc4\uc790\uce58\uc2dc_36000\/TL_SPRD_MANAGE.shp\", \"TL_SPRD_MANAGE\")\r\nQgsProject.instance().addMapLayers([layer])\r\n\r\nfieldNames = []\r\nfor field in layer.fields():\r\n    fieldNames.append(field.name())\r\n\r\nfc = layer.featureCount()\r\nfor i in range(0, fc):\r\n    print(\"\\nFID: \", i)\r\n    feature = layer.getFeature(i)\r\n    for fn in fieldNames:\r\n        print(fn, feature[fn])\r\n    \r\n    if i == 5: break\r\n<\/pre>\n<p>\uba3c\uc800 \ud544\ub4dc\uba85\uc744 \ubc30\uc5f4\uc5d0 \uc800\uc7a5\ud574 \ub450\uace0 \uac01 \ud53c\uccd0\uc5d0 \ub300\ud574 \ud544\ub4dc\uba85\uc73c\ub85c \uadf8 \ud544\ub4dc\uac12\uc744 \uc5bb\uc5b4\uc62c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud544\ub4dc\uba85\uc774 \uc544\ub2cc \ud544\ub4dc\uc758 \uc778\ub371\uc2a4 \ubc88\ud638\ub85c\ub3c4 \ud544\ub4dc\uac12\uc744 \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud544\ub4dc\uc758 \uc778\ub371\uc2a4\uc758 \uc2dc\uc791\uc740 0\uc785\ub2c8\ub2e4. \uc704\uc758 \ucf54\ub4dc\uc5d0 \ub300\ud55c \uc2e4\ud589\uacb0\uacfc\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.gisdeveloper.co.kr\/wp-content\/uploads\/2022\/11\/pgQGIS_attr2.jpg\" alt=\"\" width=\"1144\" height=\"566\" class=\"alignnone size-full wp-image-13120\" \/><\/p>\n<p>\ub2e4\uc74c\uc740 \ud53c\uccd0\uc758 \uc88c\ud45c\ub97c \uc5bb\uc5b4\uc624\ub294 \ucf54\ub4dc\uc785\ub2c8\ub2e4.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\">\r\nQgsProject.instance().removeAllMapLayers()\r\n\r\nlayer = QgsVectorLayer(\"D:\/__Data__\/\uc138\uc885\ud2b9\ubcc4\uc790\uce58\uc2dc_36000\/TL_SPRD_MANAGE.shp\", \"TL_SPRD_MANAGE\")\r\nQgsProject.instance().addMapLayers([layer])\r\n\r\nfc = layer.featureCount()\r\nfor i in range(0, fc):\r\n    feature = layer.getFeature(i)\r\n    geometry = feature.geometry()\r\n    # print(geometry.asWkt())\r\n    geomSingleType = QgsWkbTypes.isSingleType(geometry.wkbType())\r\n    \r\n    if geometry.type() == QgsWkbTypes.LineGeometry:\r\n        if geomSingleType:\r\n            polyline = geometry.asPolyline()\r\n            print(\"line:\", geom)\r\n        else:\r\n            polyline = geometry.asMultiPolyline()\r\n            print(\"multiline:\", geom)\r\n    \r\n    if i == 5: break\r\n<\/pre>\n<p>\uc2e4\ud589\uacb0\uacfc\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.gisdeveloper.co.kr\/wp-content\/uploads\/2022\/11\/pgQGIS_attr3.jpg\" alt=\"\" width=\"1144\" height=\"566\" class=\"alignnone size-full wp-image-13121\" \/><\/p>\n<p>\uc9c0\uc624\uba54\ud2b8\ub9ac\uc758 \uc88c\ud45c\ub97c \ubf51\uc544\ub0b4\uae30 \uc704\ud574\uc11c\ub294 Multi \uc5ec\ubd80\ub97c \ud655\uc778\ud574\uc11c \ud615\ubcc0\ud658(asPolyline, asMultiPolyline \ub4f1)\uc774 \ud544\uc694\ud558\uba70 \ud615\ubcc0\ud658\ub41c \uac1d\uccb4\uc5d0 \uc9c0\uc624\uba54\ud2b8\ub9ac\uc758 \uad6c\uc131 \uc88c\ud45c\uac00 QgsPointXY \ud0c0\uc785\uc758 \uac1d\uccb4\ub4e4\uc774 \ubc30\uc5f4\ub85c \uc800\uc7a5\ub429\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ubca1\ud130 \ub370\uc774\ud130\ub294 \ud53c\uccd0(Feature)\ub77c\ub294 \ud56d\ubaa9\ub4e4\ub85c \uad6c\uc131\ub418\uba70 \ud53c\uccd0\ub294 \uc18d\uc131\uacfc \uc88c\ud45c\ub85c \uc815\uc758\ub429\ub2c8\ub2e4. \ubca1\ud130 \ub370\uc774\ud130\ub97c \uad6c\uc131\ud558\ub294 \ud53c\uccd0\uc5d0 \ub300\ud55c \uc18d\uc131\uacfc \uc88c\ud45c\ub97c \uc5bb\ub294 \ucf54\ub4dc\ub97c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uba3c\uc800 \ubca1\ud130 \ub370\uc774\ud130\uc758 \uc18d\uc131\uac12\uc5d0 \ub300\ud55c \ud544\ub4dc \uc815\ubcf4\ub294 \uc5bb\ub294 \ucf54\ub4dc\uc785\ub2c8\ub2e4. QgsProject.instance().removeAllMapLayers() layer = QgsVectorLayer(&#8220;D:\/__Data__\/\uc138\uc885\ud2b9\ubcc4\uc790\uce58\uc2dc_36000\/TL_SPRD_MANAGE.shp&#8221;, &#8220;TL_SPRD_MANAGE&#8221;, &#8220;ogr&#8221;) QgsProject.instance().addMapLayers([layer]) for field in layer.fields(): print(field.name(), field.typeName(), field.length(), field.precision()) \uc2e4\ud589 \uacb0\uacfc\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \ubaa8\ub4e0 \ud53c\uccd0\uc758 \uac01 \ud544\ub4dc\uc758 \uac12\uc744 \uc5bb\uc5b4\uc624\ub294 \ucf54\ub4dc\ub294 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/www.gisdeveloper.co.kr\/?p=13110\" class=\"more-link\">\ub354 \ubcf4\uae30<span class=\"screen-reader-text\"> &#8220;pyQGIS\ub97c \uc774\uc6a9\ud55c \ubca1\ud130 \ub370\uc774\ud130 \ucc98\ub9ac 3 : \uc18d\uc131 \ubc0f \uc88c\ud45c \uc5bb\uae30&#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":[146],"tags":[],"class_list":["post-13110","post","type-post","status-publish","format-standard","hentry","category-pyqgis"],"_links":{"self":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/13110","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=13110"}],"version-history":[{"count":8,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/13110\/revisions"}],"predecessor-version":[{"id":13119,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/13110\/revisions\/13119"}],"wp:attachment":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13110"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13110"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13110"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}