{"id":2831,"date":"2013-05-10T12:04:05","date_gmt":"2013-05-10T03:04:05","guid":{"rendered":"https:\/\/gunmagisgeek.com\/wordpress\/?p=2831"},"modified":"2016-05-27T16:56:37","modified_gmt":"2016-05-27T07:56:37","slug":"post-2831","status":"publish","type":"post","link":"https:\/\/gunmagisgeek.com\/blog\/d3-js\/2831","title":{"rendered":"\u3010D3.js\u3011OpenLayers\u4e0a\u306bD3.js\u3067\u4f5c\u6210\u3057\u305fSVG\u3092\u30aa\u30fc\u30d0\u30fc\u30ec\u30a4"},"content":{"rendered":"<p><a href=\"http:\/\/shimz.me\/example\/d3js\/geo_example\/geo12\/\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2013\/05\/d3.jsopenlayers.jpg\" alt=\"D3.js Openlayers\" width=\"590\" height=\"306\" class=\"alignnone size-full wp-image-2833\" srcset=\"https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2013\/05\/d3.jsopenlayers.jpg 590w, https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2013\/05\/d3.jsopenlayers-289x150.jpg 289w\" sizes=\"auto, (max-width: 590px) 100vw, 590px\" \/><\/a><\/p>\n<p>\u51fa\u6765\u305f\u2026\u2026\u3051\u3069\u3001\u7406\u89e3\u3067\u304d\u3066\u306a\u3044 orz<br \/>\n<a href=\"http:\/\/openlayers.org\/\">OpenLayers<\/a>\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u3063\u3066<a href=\"http:\/\/www.openstreetmap.org\/\">OpenStreetMap<\/a>\u3092\u8868\u793a\u3057\u3001\u305d\u306e\u4e0a\u306bD3.js\u3067\u4f5c\u6210\u3057\u305fSVG(\u30b0\u30f3\u30de\u30fc)\u3092\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u6b63\u76f4\u3001\u300c\u8868\u793a\u3067\u304d\u305f\uff01\u300d\u3068\u3044\u3046\u3060\u3051\u3067\u3061\u3083\u3093\u3068\u7406\u89e3\u3067\u304d\u3066\u3044\u307e\u305b\u3093\u3002<br \/>\n\u7279\u306bextent\u306e\u5024\u304c\u4f55\u3092\u793a\u3057\u3066\u3044\u308b\u306e\u304b\u304c\u2026\u2026\u5206\u304b\u3089\u3093\u3002<\/p>\n<p><a href=\"http:\/\/shimz.me\/example\/d3js\/geo_example\/geo12\/\">example<\/a><\/p>\n<h2>\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9<\/h2>\n<pre class=\"lang:js decode:true \" >d3.json(&quot;gunma.geojson&quot;, function (geoData) {\r\n    main(geoData);\r\n});\r\n\r\n\r\nfunction main(geoData) {\r\n\r\n    \/\/\u8868\u793a\u3059\u308b\u5730\u56f3\u306e\u6700\u5927\u7a7a\u9593\u7bc4\u56f2\u3068\u5730\u56f3\u30b9\u30af\u30ed\u30fc\u30eb\u7bc4\u56f2\uff1f\r\n    var extent = [\r\n        -20037508.34, -20037508.34,\r\n        20037508.34, 20037508.34\r\n    ];\r\n\r\n    \r\n   \r\n    \r\n    var map = new OpenLayers.Map('map', {\r\n        numZoomLevels: 20,\r\n\/\/      projection: new OpenLayers.Projection(&quot;EPSG:900913&quot;), \/\/ \u5730\u56f3\u306e\u6295\u5f71(\u771f\u7403\u30e1\u30eb\u30ab\u30c8\u30eb\u6295\u5f71)\r\n        projection: new OpenLayers.Projection(&quot;EPSG:3857&quot;), \/\/ \u5730\u56f3\u306e\u6295\u5f71(\u771f\u7403\u30e1\u30eb\u30ab\u30c8\u30eb\u6295\u5f71)\r\n        displayProjection: new OpenLayers.Projection(&quot;EPSG: 4326&quot;),  \/\/ \u7b49\u7d4c\u7def\u5ea6\u6295\u5f71\u3092\u5b9a\u7fa9\r\n        maxExtent: extent, \/\/\u6700\u5927\u306e\u7a7a\u9593\u7bc4\u56f2\r\n        restrictedExtent: extent,\u3000\/\/\u5730\u56f3\u30b9\u30af\u30ed\u30fc\u30eb\u7bc4\u56f2\r\n        controls: [\r\n            new OpenLayers.Control.Navigation(),\r\n            new OpenLayers.Control.Zoom(),\r\n            new OpenLayers.Control.ScaleLine(),\r\n            new OpenLayers.Control.LayerSwitcher(),\r\n            new OpenLayers.Control.MousePosition(),\r\n            new OpenLayers.Control.KeyboardDefaults()\r\n        ]\r\n    });\r\n\r\n\r\n    \/\/open streat map \u30ec\u30a4\u30e4\u3092\u6307\u5b9a\r\n    var ol_wms = new OpenLayers.Layer.OSM();\r\n\r\n    \/\/OpenStreetMap\u30ec\u30a4\u30e4\u30fc\u3092\u8ffd\u52a0\r\n    map.addLayers([ol_wms]);\r\n\r\n    \/\/\u521d\u671f\u4f4d\u7f6e\u6307\u5b9a\r\n    map.setCenter(new OpenLayers.LonLat(139.0032936, 36.3219088).transform(&quot;EPSG:4326&quot;, &quot;EPSG:900913&quot;), 8);\r\n\r\n    \/\/svg\u3092\u8868\u793a\u3059\u308b\u30aa\u30fc\u30d0\u30fc\u30ec\u30a4\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\r\n    var overlay = new OpenLayers.Layer.Vector(&quot;states&quot;);\r\n\r\n    \/\/ \u5730\u56f3\u306b\u30aa\u30fc\u30d0\u30fc\u30ec\u30a4\u3092\u8ffd\u52a0\u3059\u308b\u969b\u306e\u30b3\u30f3\u30c6\u30ca\u3092\u4f5c\u6210\r\n    overlay.afterAdd = function () {\r\n        \/\/\u30d9\u30af\u30bf\u30fc\u30ec\u30a4\u30e4\u30fc\u306ediv\u30a8\u30ec\u30e1\u30f3\u30c8\u3092\u53d6\u5f97\r\n        var div = d3.selectAll(&quot;#&quot; + overlay.div.id);\r\n        \/\/\u65e2\u5b58\u306esvg\u30ec\u30a4\u30e4\u3092\u524a\u9664\u3057\u3066\u65b0\u305f\u306asvg\u8981\u7d20\u3092\u8ffd\u52a0\r\n        div.selectAll(&quot;svg&quot;).remove();\r\n        var svg = div.append(&quot;svg&quot;);\r\n\r\n        g = svg.append(&quot;g&quot;);\r\n\r\n         \/\/\u5730\u56f3\u306e\u5de6\u4e0b\u3068\u53f3\u4e0a\u306e\u7def\u5ea6\u7d4c\u5ea6\u53d6\u5f97\r\n        var bounds = d3.geo.bounds(geoData);\r\n\r\n         \/\/\u7def\u5ea6\u7d4c\u5ea6-&gt;\u30d1\u30b9\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u30fc\u95a2\u6570\u4f5c\u6210\r\n        var path = d3.geo.path().projection(project);\r\n\r\n        \/\/geojson\u30c7\u30fc\u30bf\u304b\u3089path\u3092\u4f5c\u6210\r\n        var feature = g.selectAll(&quot;path&quot;)\r\n                .data(geoData.features)\r\n                .enter()\r\n                .append(&quot;path&quot;);\r\n                \r\n        \/\/Map\u306bMove Event\u767b\u9332\r\n        map.events.register(&quot;moveend&quot;, map, update); \r\n\r\n        update();\r\n\r\n        function update() {\r\n            var bottomLeft = project(bounds[0]); \/\/\u5730\u56f3\u5de6\u4e0b\u7def\u5ea6\u7d4c\u5ea6\u2192\u30d4\u30af\u30bb\u30eb\r\n            var topRight = project(bounds[1]);\/\/\u5730\u56f3\u53f3\u4e0a\u7def\u5ea6\u7d4c\u5ea6\u2192\u30d4\u30af\u30bb\u30eb\r\n            console.log(topRight)\r\n\r\n            \/\/svg\u306e\u30b5\u30a4\u30ba\u3092\u66f4\u65b0\r\n            svg.attr(&quot;width&quot;, topRight[0] - bottomLeft[0])\r\n                .attr(&quot;height&quot;, bottomLeft[1] - topRight[1])\r\n                .style(&quot;margin-left&quot;, bottomLeft[0] + &quot;px&quot;)\r\n                .style(&quot;margin-top&quot;, topRight[1] + &quot;px&quot;);\r\n\r\n            g.attr(&quot;transform&quot;, &quot;translate(&quot; + -bottomLeft[0] + &quot;,&quot; + -topRight[1] + &quot;)&quot;);\r\n\r\n            \/\/\u63cf\u753b\u3057\u305fsvg\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\r\n            feature.attr(&quot;d&quot;, path);\r\n        }\r\n\r\n        \/\/\u4f4d\u7f6e\u60c5\u5831\u2192\u30d4\u30af\u30bb\u30eb\u5909\u63db\r\n        function project(x) {\r\n                var point = map.getViewPortPxFromLonLat(new OpenLayers.LonLat(x[0], x[1]).transform(&quot;EPSG:4326&quot;, &quot;EPSG:900913&quot;));\r\n                return [point.x, point.y];\r\n        }\r\n    }\r\n\r\n    map.addLayer(overlay);\r\n \r\n}\r\n<\/pre>\n<p><a href=\"http:\/\/shimz.me\/example\/d3js\/geo_example\/geo12\/\">example<\/a><\/p>\n<p>\u3010\u8ffd\u8a18\u3011<br \/>\n\u300cEPSG:900913\u300d\u306f\u306a\u3057\u5d29\u3057\u306b\u4f7f\u308f\u308c\u3066\u3044\u3066\u6b63\u5f0f\u306b\u306f\u300cEPSG:3857\u300d\u3092\u4f7f\u3063\u305f\u65b9\u304c\u3088\u3044\u3068\u3044\u3046\u3053\u3068\u3092\u6559\u3048\u3066\u3044\u305f\u3060\u3044\u305f\u306e\u3067\u4fee\u6b63\u3002<br \/>\n\uff08\u8abf\u3079\u3066\u307f\u305f\u3068\u3053\u308d\u3001<a href=\"http:\/\/wiki.openstreetmap.org\/wiki\/EPSG:3857#Codes\">\u3044\u308d\u3044\u308d\u306a\u7d4c\u7def<\/a>\u3092\u7d4c\u3066\u300cEPSG:3857\u300d\u306b\u53ce\u307e\u3063\u305f\u3088\u3046\u3067\u3059)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u51fa\u6765\u305f\u2026\u2026\u3051\u3069\u3001\u7406\u89e3\u3067\u304d\u3066\u306a\u3044 orz OpenL&hellip;<\/p>\n","protected":false},"author":1,"featured_media":2833,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18,34],"tags":[],"class_list":["post-2831","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-d3-js","category-openlayers","has-post-thumbnail-archive"],"_links":{"self":[{"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/posts\/2831","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/comments?post=2831"}],"version-history":[{"count":1,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/posts\/2831\/revisions"}],"predecessor-version":[{"id":2858,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/posts\/2831\/revisions\/2858"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/media\/2833"}],"wp:attachment":[{"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/media?parent=2831"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/categories?post=2831"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/tags?post=2831"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}