{"id":1758,"date":"2025-02-06T19:33:41","date_gmt":"2025-02-06T10:33:41","guid":{"rendered":"https:\/\/rakudaseitai.com\/?p=1758"},"modified":"2025-02-07T21:23:38","modified_gmt":"2025-02-07T12:23:38","slug":"%e9%87%8d%e8%a4%87%e5%9b%b3%e5%bd%a2%e3%82%921%e3%81%a4%e3%81%ab%e3%81%be%e3%81%a8%e3%82%81%e3%81%a6%e3%80%81%e5%b1%9e%e6%80%a7%e3%82%92%e5%8c%ba%e5%88%87%e3%82%8a%e3%81%a7%e4%bf%9d%e5%ad%98%e3%81%99","status":"publish","type":"post","link":"https:\/\/rakudaseitai.com\/?p=1758","title":{"rendered":"\u91cd\u8907\u30dd\u30ea\u30b4\u30f3\u30921\u3064\u306b\u307e\u3068\u3081\u3066\u3001\u5c5e\u6027\u3092,\u533a\u5207\u308a\u3067\u4fdd\u5b58\u3059\u308b\u624b\u9806\uff08PostGIS\u3068QGIS\uff09"},"content":{"rendered":"

\u6982\u8981<\/p>\n

PostGIS\u3068QGIS\u3092\u4f7f\u7528\u3057\u3066\u3001\u91cd\u8907\u30dd\u30ea\u30b4\u30f3\u3092\u4e00\u3064\u306b\u307e\u3068\u3081\u3066\u3001\u5c5e\u6027\u3092,\u533a\u5207\u308a\u3067\u8868\u793a\u3055\u305b\u308b\u624b\u9806\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u5730\u756a\u56f3\u306a\u3069\u306e\u4fee\u6b63\u4f5c\u696d\u3067\u4f7f\u3046\u3053\u3068\u306b\u306a\u308a\u305d\u3046\u3067\u3059\u3002<\/p>\n

\u5143\u3005plugin\u306a\u3069\u3067\u91cd\u8907\u30dd\u30ea\u30b4\u30f3\u3092\u62bd\u51fa\u3057\u3088\u3046\u3068\u3057\u307e\u3057\u305f\u304c\u3001\u4e0a\u624b\u304f\u3044\u304b\u305a\u3001\u65b9\u6cd5\u3092\u6a21\u7d22\u3057\u305f\u7d50\u679c\u3001postgis\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u62bd\u51fa\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n

\u60c5\u5831\u4fdd\u8b77\u306e\u89b3\u70b9\u304b\u3089\u3001\u8aac\u660e\u306e\u753b\u50cf\u3092\u4e00\u90e8\u9ed2\u5857\u308a\u3057\u3066\u304a\u308a\u307e\u3059\u306e\u3067\u3001\u3054\u4e86\u627f\u304f\u3060\u3055\u3044\u3002<\/p>\n

 <\/p>\n

\u624b\u9806\u8a73\u7d30<\/p>\n

postgis<\/h3>\n

postgis\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5\u3084shp\u306e\u53d6\u308a\u8fbc\u307f\u65b9\u306f\u3001\u3053\u3061\u3089\u306e\u30b5\u30a4\u30c8<\/a>\u3092\u53c2\u8003\u306b\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n

localhost\u306b\u4f5c\u696d\u7528\u306eDB\u3092\u4f5c\u6210\u3057\u3066\u304a\u304f\u3068\u3088\u3044\u3067\u3059\u3002\u307e\u305f\u3001\u62e1\u5f35\u6a5f\u80fd\u3067postgis\u3092\u8ffd\u52a0\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n

\u91cd\u8907\u3092\u62bd\u51fa\u3057\u305f\u3044shp\u3092\u4f5c\u696d\u7528\u306eDB\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u306fsagyo\u3068\u3044\u3046DB\u3092\u4f5c\u6210\u3057\u3066\u3001tochi2011\u3068\u3044\u3046\u540d\u524d\u306eshp\u3092\u53d6\u308a\u8fbc\u3093\u3067\u3044\u307e\u3059\u3002<\/p>\n

\"\"<\/p>\n

 <\/p>\n

\u4ee5\u4e0b\u306esql\u3092\u6d41\u3057\u3066\u3001\u91cd\u8907\u30dd\u30ea\u30b4\u30f3\u306e\u62bd\u51fa\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n

tochi_chofuku\u3068\u3044\u3046\u65b0\u305f\u306a\u91cd\u8907\u306e\u3042\u308b\u30c7\u30fc\u30bf\u306e\u307f\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n

geom\u5217\uff08\u5ea7\u6a19\u3092\u6587\u5b57\u5217\u3067\u8868\u3057\u305f\u3082\u306e\uff09\u3067\u3001\u540c\u3058\u30c7\u30fc\u30bf\u3092\u62bd\u51fa\u3057\u307e\u3059\u3002<\/p>\n

\n

CREATE TABLE tochi_chofuku AS<\/p>\n

SELECT t1.*, t2.\u91cd\u8907\u6570<\/p>\n

FROM \u201ctochi2011\u201d AS t1<\/p>\n

INNER JOIN (<\/p>\n

SELECT geom, COUNT(*) AS \u91cd\u8907\u6570<\/p>\n

FROM \u201ctochi2011\u201d<\/p>\n

GROUP BY geom<\/p>\n

HAVING COUNT(*) >= 2<\/p>\n

) AS t2 ON t1.geom = t2.geom;<\/p>\n<\/div>\n

\"\"<\/p>\n

 <\/p>\n

tochi2011\u304b\u3089\u3001tochi_chofuku\u3092\u524a\u9664\u3057\u305f\u30c6\u30fc\u30d6\u30eb\uff08tochi_chofuku_sakujo\uff09\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n

\u307e\u305a\u306f\u3001tochi2011\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u30b3\u30d4\u30fc\u3057\u3066\u3001tochi_chofuku_sakujo\u3068\u3044\u3046\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n

\u4e0b\u8a18\u306esql\u3067\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n

\n

CREATE TABLE tochi_chofuku_sakujo AS<\/p>\n

SELECT * FROM tochi2011;<\/p>\n<\/div>\n

 <\/p>\n

\u6b21\u306b\u3001\u4f5c\u6210\u3057\u305ftochi_chofuku_sakujo\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u5bfe\u3057\u3066\u3001\u4e0b\u8a18\u306esql\u3092\u6d41\u3057\u307e\u3059\u3002<\/p>\n

gid\u306fid\u306e\u3053\u3068\u3067\u3059\u3002\u30e6\u30cb\u30fc\u30af\u306a\u5024\u3067\u3042\u308c\u3070\u3001\u4f55\u3067\u3082\u5927\u4e08\u592b\u3067\u3059\u3002<\/p>\n

\n

DELETE FROM \u201ctochi_chofuku_sakujo\u201d<\/p>\n

WHERE gid IN (<\/p>\n

SELECT gid<\/p>\n

FROM \u201ctochi_chofuku\u201d<\/p>\n

);<\/p>\n<\/div>\n

 <\/p>\n

tochi_chofuku\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u3082\u3068\u306b\u3001\u91cd\u8907\u3057\u3066\u3044\u308b\u30dd\u30ea\u30b4\u30f3\u3054\u3068\u306b\u30d5\u30e9\u30b0\u3092\u4ed8\u3051\u305f\u30c6\u30fc\u30d6\u30eb\uff08tochi_chofuku_group_id\uff09\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n

\u4e0b\u8a18\u306esql\u3092\u6d41\u3057\u307e\u3059\u3002<\/p>\n

\n

\uff08CREATE TABLE tochi_chofuku_group_id AS \uff09<\/p>\n

 <\/p>\n

SELECT<\/p>\n

a.*,<\/p>\n

DENSE_RANK() OVER (ORDER BY a.geom) AS group_id<\/p>\n

FROM \u201ctochi_chofuku\u201d AS a<\/p>\n<\/div>\n

\"\"<\/p>\n

 <\/p>\n

QGIS<\/h3>\n

\u3053\u3053\u304b\u3089QGIS\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n

QGIS\u3092\u8d77\u52d5\u3057\u3066\u3001PostgreSQL\u304b\u3089sagyo\u306eDB\u306b\u63a5\u7d9a\u3057\u3066\u3001tochi_chofuku_group_id\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n

\"\"<\/p>\n

 <\/p>\n

\u30d7\u30ed\u30bb\u30b7\u30f3\u30b0\u30c4\u30fc\u30eb\u30dc\u30c3\u30af\u30b9 \u2192 \u30d9\u30af\u30bf\u30b8\u30aa\u30e1\u30c8\u30ea \u2192 \u96c6\u8a08\u3000\u3092\u9078\u629e\u3057\u307e\u3059<\/p>\n

\"\"<\/p>\n

 <\/p>\n

\u5165\u529b\u30ec\u30a4\u30e4\u3092tochi_chofuku_group_id\u3001\u30b0\u30eb\u30fc\u30d7\u5316\u306e\u305f\u3081\u306e\u5f0f\u3092\u300cgroup_id\u300d\u3068\u3057\u307e\u3059\u3002<\/p>\n

\u96c6\u8a08\u95a2\u6570\u306f\u3001\u4e00\u3064\u3067\u3088\u3044\u3082\u306e\u306fminimum\u3001,\u533a\u5207\u308a\u306b\u3057\u305f\u3044\u3082\u306e\u306f\u3001concatenate\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n

shp\u306b\u540d\u524d\u3092\u4ed8\u3051\u3066\uff08\u4eca\u56de\u306ftochi_chofuku_gattai.shp\uff09\u3001\u5b9f\u884c\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n

\u3059\u308b\u3068\u3001group_id\u3054\u3068\u306b\u307e\u3068\u307e\u3063\u305fshp\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n

\"\"<\/p>\n

 <\/p>\n

\"\"<\/p>\n

 <\/p>\n

\u571f\u5730\u91cd\u8907\u90e8\u5206\u3092\u524a\u9664\u3057\u305f\u30c7\u30fc\u30bf\uff08tochi_chofuku_sakujo\uff09\u3068\u91cd\u8907\u5206\u306e\u30c7\u30fc\u30bf\uff08tochi_chofuku_gattai\uff09\u3092\u30de\u30fc\u30b8\u3057\u307e\u3059\u3002<\/p>\n

PostgreSQL\u304b\u3089sagyo\u306eDB\u306b\u63a5\u7d9a\u3057\u3066\u3001tochi_chofuku_sakujo\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n

\"\"<\/p>\n

 <\/p>\n

\u30d7\u30ed\u30bb\u30b7\u30f3\u30b0\u30c4\u30fc\u30eb\u30dc\u30c3\u30af\u30b9 \u2192 \u30d9\u30af\u30bf\u4e00\u822c \u2192 \u30d9\u30af\u30bf\u30ec\u30a4\u30e4\u3092\u30de\u30fc\u30b8\u3000\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n

\"\"<\/p>\n

 <\/p>\n

\u5165\u529b\u30ec\u30a4\u30e4\u306b\u3001\u571f\u5730\u91cd\u8907\u90e8\u5206\u3092\u524a\u9664\u3057\u305f\u30c7\u30fc\u30bf\uff08tochi_chofuku_sakujo\uff09\u3068\u91cd\u8907\u5206\u306e\u30c7\u30fc\u30bf\uff08tochi_chofuku_gattai\uff09\u3092\u9078\u629e\u3057\u3066\u3001\u51fa\u529b\u30ec\u30a4\u30e4\u306b\u540d\u524d\u3092\u4ed8\u3051\u3066\uff08\u3053\u3053\u3067\u306f\u3001tochi_final\uff09\u3001\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n

\"\"<\/p>\n

 <\/p>\n

\"\"<\/p>\n

 <\/p>\n

1\u3064\u306b\u307e\u3068\u307e\u3063\u305f\u30dd\u30ea\u30b4\u30f3\u304c\u5b8c\u6210\u3057\u307e\u3059\u3002<\/p>\n

\"\"<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6982\u8981 PostGIS\u3068QGIS\u3092\u4f7f\u7528\u3057\u3066\u3001\u91cd\u8907\u30dd\u30ea\u30b4\u30f3\u3092\u4e00\u3064\u306b\u307e\u3068\u3081\u3066\u3001\u5c5e\u6027\u3092,\u533a\u5207\u308a\u3067\u8868\u793a\u3055\u305b\u308b\u624b\u9806\u306b\u306a\u308a\u307e\u3059\u3002 \u5730\u756a\u56f3\u306a\u3069\u306e\u4fee\u6b63\u4f5c\u696d\u3067\u4f7f\u3046\u3053\u3068\u306b\u306a\u308a\u305d\u3046\u3067\u3059\u3002 \u5143\u3005plugin\u306a\u3069\u3067\u91cd\u8907\u30dd\u30ea\u30b4\u30f3\u3092\u62bd\u51fa\u3057\u3088\u3046\u3068\u3057\u307e\u3057\u305f … <\/p>\n","protected":false},"author":1,"featured_media":1773,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16,29],"tags":[],"class_list":{"0":"post-1758","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-gis","8":"category-29"},"_links":{"self":[{"href":"https:\/\/rakudaseitai.com\/index.php?rest_route=\/wp\/v2\/posts\/1758","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rakudaseitai.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rakudaseitai.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rakudaseitai.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rakudaseitai.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1758"}],"version-history":[{"count":5,"href":"https:\/\/rakudaseitai.com\/index.php?rest_route=\/wp\/v2\/posts\/1758\/revisions"}],"predecessor-version":[{"id":1777,"href":"https:\/\/rakudaseitai.com\/index.php?rest_route=\/wp\/v2\/posts\/1758\/revisions\/1777"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rakudaseitai.com\/index.php?rest_route=\/wp\/v2\/media\/1773"}],"wp:attachment":[{"href":"https:\/\/rakudaseitai.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1758"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rakudaseitai.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1758"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rakudaseitai.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1758"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}