{"id":3511,"date":"2014-12-17T15:38:13","date_gmt":"2014-12-17T06:38:13","guid":{"rendered":"http:\/\/blog.bitmeister.jp\/?p=3511"},"modified":"2014-12-17T15:38:13","modified_gmt":"2014-12-17T06:38:13","slug":"postgis%e3%81%a8geodjango%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6leaflet%e3%81%a7geojson-tile-layer%e3%82%92%e8%a1%a8%e7%a4%ba%e3%81%97%e3%81%a6%e3%81%bf%e3%82%8b5-geodjango%e3%81%a7tiled-geoj","status":"publish","type":"post","link":"https:\/\/blog.bitmeister.jp\/?p=3511","title":{"rendered":"PostGIS\u3068GeoDjango\u3092\u4f7f\u3063\u3066Leaflet\u3067GeoJSON Tile Layer\u3092\u8868\u793a\u3057\u3066\u307f\u308b(5) \u2013 GeoDjango\u3067Tiled GeoJSON\u3092\u51fa\u529b\u3059\u308b –"},"content":{"rendered":"

\u524d\u56de<\/a>\u3067\u3088\u3046\u3084\u304f\u3001PostGIS\u306b\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u30c7\u30fc\u30bf\u3092GeoDjango\u7d4c\u7531\u3067GeoJSON\u306b\u51fa\u529b\u3057\u3066\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067Leaflet\u3092\u4f7f\u3063\u3066\u5730\u56f3\u4e0a\u306b\u8868\u793a\u3055\u308c\u308b\u3068\u3053\u308d\u307e\u3067\u3067\u304d\u307e\u3057\u305f\u3002\u3068\u3053\u308d\u304c\u3069\u3063\u3053\u3044\u30c7\u30fc\u30bf\u91cf\u304c\u591a\u3044\u3068\u30e2\u30c3\u30b5\u30ea\u3057\u3059\u304e\u3066\u4f7f\u3044\u3082\u306e\u306b\u306a\u3089\u306a\u3044\u3068\u304d\u305f\u3082\u3093\u3060\u3002\u3042\u3042\u56f0\u3063\u3066\u3057\u307e\u3063\u305f\u3002\u3068\u3044\u3046\u3053\u3068\u3067\u300c\u305d\u308c\u3001Tiled GeoJSON\u306b\u3059\u308c\u3070\u3044\u3044\u3058\u3083\u3093?\u300d\u3068\u3044\u3046\u6700\u7d42\u56de\u3067\u3059\u3002<\/p>\n

GeoDjango\u3067Tiled\u306aGeoJSON\u3092\u51fa\u529b\u3059\u308b<\/h1>\n

\u5b9f\u306f\u3067\u3059\u306d\u3001django-geojson\u306b\u306fTiledGeoJSONLayerView\u304c\u3044\u308b\u3093\u3067\u3059\u3088\u3002\u3048?\u3000\u77e5\u3063\u3066\u305f?\u3000\u305d\u3093\u306a\u30ad\u30df\u306e\u90fd\u5408\u306f\u77e5\u3089\u3093\u304c\u306a\u3001\u3053\u308c\u4f7f\u3046\u3088\u3046\u306b\u3059\u308b\u306e\u306b\u3069\u3093\u3060\u3051\u82e6\u52b4\u3057\u305f\u3068\u601d\u3063\u3066\u3093\u3060\u3002\u3044\u3084\u3001\u3042\u3093\u307e\u308a\u3057\u3066\u306a\u3044\u3051\u3069\u306d\u3002<\/p>\n

URL\u30de\u30c3\u30d4\u30f3\u30b0\u306e\u5b9a\u7fa9\u5909\u66f4<\/h2>\n

Tile\u7528\u306eURL\u30de\u30c3\u30d4\u30f3\u30b0\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u3061\u306a\u307f\u306b\u3053\u306e\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u3067\u306e\u6307\u5b9a\u3001\u516c\u5f0f\u306e\u30b5\u30f3\u30d7\u30eb\u306e\u5f62\u5f0f\u3060\u3068\u52d5\u304d\u307e\u305b\u3093\u3002<\/p>\n

\r\nvi api\/urls.py\r\n<\/pre>\n
\r\n# -*- coding: utf-8 -*-\r\nfrom django.conf.urls import patterns, url\r\nfrom djgeojson.views import GeoJSONLayerView\r\nfrom demo.models import Border\r\nfrom api import views\r\n\r\nurlpatterns = patterns('',\r\n    url(r'^v1\/borders.geojson$',GeoJSONLayerView.as_view(model=Border), name='borders'),\r\n    url(r'^v2\/borders\/(\\d+)\/(\\d+)\/(\\d+).geojson$',\r\n        views.BorderTiledLayer.as_view(model=Border), name='tiledborders'),\r\n)\r\n<\/pre>\n
\u7d9a\u3044\u3066TiledGeoJSONLayerView\u3092\u7d99\u627f\u3057\u305fBorderTiledLayer\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n
\r\nvi api\/view.py\r\n<\/pre>\n
\r\n# -*- coding: utf-8 -*-\r\nfrom django.http import HttpResponse\r\nfrom demo.models import Border\r\nfrom djgeojson.views import TiledGeoJSONLayerView\r\n\r\nclass BorderTiledLayer(TiledGeoJSONLayerView):\r\n    # Options\r\n    srid=4612\r\n    trim_to_boundary=False\r\n    properties=('n03_001','n03_003','n03_004','n03_007')\r\n<\/pre>\n
\u76f4\u63a5\u547c\u3093\u3067\u3082\u3044\u3044\u306e\u3067\u3059\u304c\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u591a\u3044\u306e\u3067\u7d99\u627f\u3057\u305f\u65b9\u304c\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002\u56e0\u307f\u306b\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u300ctrim_to_boundary\u300d\u3092False\u306b\u3057\u306a\u3044\u3068\u52d5\u304b\u306a\u304b\u3063\u305f\u306e\u3067\u3059\u3001\u3053\u308c\u3082\u7f60\u3067\u3059\u3002<\/p>\n
\u3055\u3066\u3001\u4eca\u5ea6\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306eTile\u5bfe\u5fdc\u3067\u3059\u3002<\/p>\n
Leaflet GeoJSON Tile Layer\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/h2>\n
Django\u3060\u3051\u3067\u306a\u304f\u3001Leaflet\u3082\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u5b58\u5728\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u3057\u3066\u4eca\u56de\u306f\u300cLeaflet GeoJSON Tile Layer\u300d\u3068\u3044\u3046\u305d\u306e\u540d\u306e\u901a\u308a\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n
Leaflet GeoJSON Tile Layer<\/a><\/p>\n
\u4e0a\u8a18\u30b5\u30a4\u30c8\u304b\u3089\u300cTileLayer.GeoJSON.js\u300d\u3092\u53d6\u5f97\u3057\u3066\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u914d\u7f6e\u3057\u307e\u3059(\u4f55\u5ea6\u3082\u8a00\u3044\u307e\u3059\u304c\u304a\u597d\u307f\u3067\u3088\u3044\u306e\u3067\u3059\u304c)\u3002<\/p>\n
\r\n$ tree -c leaflet-demo\/\r\nleaflet-demo\/\r\n\u251c\u2500\u2500 js\r\n\u2502\u00a0\u00a0 \u251c\u2500\u2500 jquery-2.1.1.min.js\r\n\u2502\u00a0\u00a0 \u251c\u2500\u2500 TileLayer.GeoJSON.js\r\n\u2502\u00a0\u00a0 \u251c\u2500\u2500 leaflet.js\r\n\u2502\u00a0\u00a0 \u2514\u2500\u2500 leaflet-src.js\r\n\u251c\u2500\u2500 index.html\r\n\u251c\u2500\u2500 css\r\n\u2502\u00a0\u00a0 \u2514\u2500\u2500 leaflet.css\r\n\u2514\u2500\u2500 images\r\n    \u251c\u2500\u2500 layers-2x.png\r\n    \u251c\u2500\u2500 layers.png\r\n    \u251c\u2500\u2500 marker-icon-2x.png\r\n    \u251c\u2500\u2500 marker-icon.png\r\n    \u2514\u2500\u2500 marker-shadow.png\r\n<\/pre>\n
index.html\u3092\u3053\u3093\u306a\u5185\u5bb9\u3067\u6539\u9020(\u300cTileLayer.GeoJSON.js\u300d\u306eREADME.md\u306e\u307e\u307e)<\/p>\n
\r\n<!DOCTYPE html>\r\n<html>\r\n<head lang="ja">\r\n    <meta charset="UTF-8">\r\n    <title>Leaflet\u30c6\u30b9\u30c8<\/title>\r\n    <meta name="viewport" content="width=device-width, initial-scale=1.0">\r\n    <link rel="stylesheet" href="css\/leaflet.css" \/>\r\n<\/head>\r\n<body>\r\n<div id="map" style="width: 960px; height: 600px"><\/div>\r\n<script src="js\/leaflet.js"><\/script>\r\n<script src="js\/jquery-2.1.1.min.js"><\/script>\r\n<script src="js\/TileLayer.GeoJSON.js"><\/script>\r\n<script>\r\n\r\n    var map = L.map('map');\r\n    L.tileLayer('https:\/\/{s}.tiles.mapbox.com\/v3\/{id}\/{z}\/{x}\/{y}.png', {\r\n        maxZoom: 30,\r\n        attribution: 'Map data &copy; ' +\r\n        '<a href="http:\/\/openstreetmap.org">OpenStreetMap<\/a> contributors, ' +\r\n        '<a href="http:\/\/creativecommons.org\/licenses\/by-sa\/2.0\/">CC-BY-SA<\/a>, ' +\r\n        'Imagery \u00a9 <a href="http:\/\/mapbox.com">Mapbox<\/a>',\r\n        id: 'examples.map-i875mjb7'\r\n    }).addTo(map);\r\n    map.setView([35.85556, 139.65117], 15);\r\n\r\n    var style = {\r\n        "clickable": true,\r\n        "color": "#00D",\r\n        "fillColor": "#00D",\r\n        "weight": 1.0,\r\n        "opacity": 0.3,\r\n        "fillOpacity": 0.2\r\n    };\r\n    var hoverStyle = {\r\n        "fillOpacity": 0.5\r\n    };\r\n\r\n    var geojsonURL = 'http:\/\/192.168.1.15:8000\/api\/v2\/borders\/{z}\/{x}\/{y}.geojson';\r\n    var geojsonTileLayer = new L.TileLayer.GeoJSON(geojsonURL, {\r\n            clipTiles: true,\r\n            unique: function (feature) {\r\n                return feature.id; \r\n            }\r\n        }, {\r\n            style: style,\r\n            onEachFeature: function (feature, layer) {\r\n                if (feature.properties) {\r\n                    var popupString = '<div class="popup">';\r\n                    for (var k in feature.properties) {\r\n                        var v = feature.properties[k];\r\n                        popupString += k + ': ' + v + '<br \/>';\r\n                    }\r\n                    popupString += '<\/div>';\r\n                    layer.bindPopup(popupString);\r\n                }\r\n                if (!(layer instanceof L.Point)) {\r\n                    layer.on('mouseover', function () {\r\n                        layer.setStyle(hoverStyle);\r\n                    });\r\n                    layer.on('mouseout', function () {\r\n                        layer.setStyle(style);\r\n                    });\r\n                }\r\n            }\r\n        }\r\n    );\r\n    map.addLayer(geojsonTileLayer);\r\n<\/script>\r\n<\/body>\r\n<\/html>\r\n<\/body>\r\n<\/html>\r\n<\/pre>\n
\u305d\u308c\u3067\u306f\u30d6\u30e9\u30a6\u30b6\u3067\u958b\u3044\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\"Leaflet_3\"<\/a><\/p>\n
\u306f\u3044\uff77\uff80\u2501(\uff9f\u2200\uff9f)\u2501! \u3082\u3046\u30b5\u30c3\u30af\u30b5\u30af\u3058\u3083\u306a\u3044\u3067\u3059\u304b\u30fc\u3002\u3064\u3044\u3067\u306b\u30de\u30a6\u30b9\u30aa\u30fc\u30d0\u30fc\u30b9\u30bf\u30a4\u30eb\u3068\u304b\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\u307e\u3067\u3067\u304d\u3061\u3083\u3063\u3066\u307e\u3059\u3088\u30fc\u3002\u3059\u3054\u3044\u3002\u3082\u3046\u611f\u52d5\u3057\u307e\u3059\u308f\u3002\u30de\u30b8\u3067\u3002
\n\u3068\u306f\u3044\u3048\u3001\u6d41\u77f3\u306b\u30ba\u30fc\u30e0\u3092\u5f15\u3044\u3066\u3044\u304f\u3068\u53d6\u5f97\u3059\u308bTile\u6570\u304c\u5897\u3048\u308b\u306e\u3067\u30b5\u30fc\u30d0\u5074\u304c\u60b2\u9cf4\u3092\u4e0a\u3052\u308b\u3068\u601d\u3044\u307e\u3059\u3057\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306e\u63cf\u753b\u3082\u8f9b\u304f\u306a\u3063\u3066\u3044\u304f\u3068\u601d\u3044\u307e\u3059\u3002\u305d\u306e\u8fba\u308a\u306f\u307e\u3060\u307e\u3060\u6539\u5584\u306e\u4f59\u5730\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001GeoDjango\u306f\u5f53\u7136\u7a7a\u9593\u691c\u7d22\u304c\u3067\u304d\u308b\u306e\u3067\u305d\u3046\u3044\u3046\u3063\u305f\u6a5f\u80fd\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u3044\u304f\u3068\u697d\u3057\u3044\u304b\u306a\u3068\u601d\u3044\u307e\u3059\u3002\u305d\u308c\u3067\u306f\u307f\u306a\u3055\u3093\u3088\u3044\u30af\u30ea\u30b9\u30de\u30b9\u3092\u304a\u904e\u3054\u3057\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u524d\u56de\u3067\u3088\u3046\u3084\u304f\u3001PostGIS\u306b\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u30c7\u30fc\u30bf\u3092GeoDjango\u7d4c\u7531\u3067GeoJSON\u306b\u51fa\u529b\u3057\u3066\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067Leaflet\u3092\u4f7f\u3063\u3066\u5730\u56f3\u4e0a\u306b\u8868\u793a\u3055\u308c\u308b\u3068\u3053\u308d\u307e\u3067\u3067\u304d\u307e\u3057\u305f\u3002\u3068\u3053\u308d\u304c\u3069\u3063\u3053\u3044\u30c7\u30fc\u30bf\u91cf\u304c\u591a\u3044\u3068\u30e2\u30c3\u30b5\u30ea\u3057\u3059 […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[109,80],"class_list":["post-3511","post","type-post","status-publish","format-standard","hentry","category-tech","tag-geo","tag-python"],"_links":{"self":[{"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=\/wp\/v2\/posts\/3511","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3511"}],"version-history":[{"count":4,"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=\/wp\/v2\/posts\/3511\/revisions"}],"predecessor-version":[{"id":3532,"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=\/wp\/v2\/posts\/3511\/revisions\/3532"}],"wp:attachment":[{"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3511"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3511"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.bitmeister.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3511"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}