{"id":8852,"date":"2018-12-21T10:10:29","date_gmt":"2018-12-21T01:10:29","guid":{"rendered":"http:\/\/r-dimension.xsrv.jp\/classes_j\/?p=8852"},"modified":"2022-12-05T15:54:34","modified_gmt":"2022-12-05T06:54:34","slug":"map","status":"publish","type":"post","link":"https:\/\/r-dimension.xsrv.jp\/classes_j\/map\/","title":{"rendered":"d3\u3067\u5730\u56f3\u3092\u63cf\u753b\u3059\u308b"},"content":{"rendered":"\n

\u3053\u306e\u9805\u3067\u306f\u3001d3\u3067\u5730\u56f3\u3092\u8868\u793a\u3059\u308b\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3059\u3002<\/p>\n\n\n\n

\u65e5\u672c\u5730\u56f3\u3092\u30d1\u30b9\u3067\u8868\u793a\u3059\u308b<\/h1>\n\n\n\n

\u4ee5\u4e0b\u306e\u30c7\u30fc\u30bf\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u89e3\u51cd\u3057\u3001html\u30d5\u30a1\u30a4\u30eb\u3068\u540c\u3058\u30d5\u30a9\u30eb\u30c0\u306b\u5165\u308c\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n


japan.geojson<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n

\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u3001json\u3068\u3044\u3046\u5f62\u5f0f\u306e\u4e00\u7a2e\u3067\u3059\u304c\u3001\u5730\u56f3\u60c5\u5831\u3092\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306b\u7279\u5316\u3055\u308c\u305fgeojson\u3068\u3044\u3046\u5f62\u5f0f\u3067\u8a18\u8ff0\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\u307e\u305a\u3001\u753b\u9762\u30b5\u30a4\u30ba\u3068\u5730\u56f3\u306e\u6295\u5f71\u6cd5\u3092\u9078\u3073\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u4ee3\u8868\u7684\u306a\u30e1\u30eb\u30ab\u30c8\u30eb\u56f3\u6cd5\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\/\/\u753b\u9762\u306e\u5e45\u3068\u9ad8\u3055\nvar w = 600;\nvar h = 600;\nvar scale = 1200; \/\/\u5730\u56f3\u306e\u30b9\u30b1\u30fc\u30eb\n\nvar projection = d3.geoMercator()\n   .center([ 136.0, 35.6 ])\n   .translate([w\/2, h\/2])\n   .scale(scale);\n<\/code><\/pre>\n\n\n\n

\u9078\u3093\u3060\u6295\u5f71\u6cd5\u306b\u5f93\u3063\u305fpath\u306e\u5909\u63db\u5f0f\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
var path = d3.geoPath().projection(projection);\n<\/code><\/pre>\n\n\n\n

svg\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
var svg = d3.select(\"body\")\n         .append(\"svg\")\n         .attr(\"width\", w)\n         .attr(\"height\", h);<\/code><\/pre>\n\n\n\n

\u90fd\u9053\u5e9c\u770c\u306e\u9818\u57df\u3092\u8a18\u8ff0\u3057\u305f\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002
\u30c7\u30fc\u30bf\u306f\u4ee5\u4e0b\u304b\u3089\u5f15\u7528\u3057\u307e\u3057\u305f\u3002
\/\/https:\/\/www.stat.go.jp\/data\/nihon\/02.html<\/a><\/p>\n\n\n\n
d3.json(\"japan.geojson\").then(function(json) {\n\n   svg.selectAll(\"path\")   \/\/\u90fd\u9053\u5e9c\u770c\u306e\u9818\u57df\u30c7\u30fc\u30bf\u3092path\u3067\u63cf\u753b\n      .data(json.features)\n      .enter()\n      .append(\"path\")\n      .attr(\"d\", path)\n      .style(\"stroke\", \"gray\")\n      .style(\"stroke-width\", 0.25)\n      .style(\"fill\", \"blue\");\n});<\/code><\/pre>\n\n\n\n
\"\"<\/a><\/figure>\n\n\n\n

japan_map<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n
japan_map_v7<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n
\u69d8\u3005\u306a\u5730\u56f3\u306e\u6295\u5f71\u6cd5<\/h1>\n\n\n\n
d3\u3067\u6271\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u5730\u56f3\u306e\u6295\u5f71\u6cd5\u306f\u3001\u30e1\u30eb\u30ab\u30c8\u30eb\u56f3\u6cd5\u3060\u3051\u3067\u306a\u304f\u69d8\u3005\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u30b5\u30a4\u30c8\u306b\u5229\u7528\u3067\u304d\u308b\u6295\u5f71\u6cd5\u306e\u4e00\u89a7\u304c\u63b2\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002
https:\/\/github.com\/d3\/d3-geo-projection<\/a><\/p>\n\n\n\n
\u3053\u308c\u3089\u306e\u6295\u5f71\u6cd5\u3092\u5229\u7528\u3059\u308b\u306b\u306f\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u8aad\u307f\u8fbc\u3080\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002d3\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u540c\u3058\u5834\u6240\u306b\u300cd3-array\u300d\u3001\u300cd3-geo\u300d\u3001\u300cd3-geo-projection\u300d\u306e3\u3064\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u8a18\u8ff0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n
<script type=\"text\/javascript\" src=\"https:\/\/d3js.org\/d3.v7.min.js\"><\/script>\n<script src=\"https:\/\/cdn.jsdelivr.net\/npm\/d3-array@3\"><\/script>\n<script src=\"https:\/\/cdn.jsdelivr.net\/npm\/d3-geo@3\"><\/script>\n<script src=\"https:\/\/cdn.jsdelivr.net\/npm\/d3-geo-projection@4\"><\/script><\/code><\/pre>\n\n\n\n
d3.geoMercator()\u3092\u3001\u8272\u3005\u306a\u6295\u5f71\u6cd5\u306b\u5909\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
var projection = d3.geoAitoff()\n   .center([ 136.0, 35.6 ])\n   .translate([w\/2, h\/2])\n   .scale(scale);<\/code><\/pre>\n\n\n\n
\"\"<\/a><\/figure>\n\n\n\n

japan_map_projection<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n
japan_map_projection_v7<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n
\u30c7\u30fc\u30bf\u3092\u5186\u306e\u5927\u304d\u3055\u306b\u5909\u63db\u3057\u3066\u8868\u793a\u3059\u308b<\/h1>\n\n\n\n
\u6b21\u306b\u3001\u5148\u307b\u3069\u5229\u7528\u3057\u305f\u90fd\u9053\u5e9c\u770c\u5e81\u6240\u5728\u5730\u306e\u5ea7\u6a19\u3068\u4eba\u53e3\u306eCSV\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
japan_pref<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n
\/\/\u90fd\u9053\u5e9c\u770c\u306e\u770c\u5e81\u6240\u5728\u5730\u3001\u4eba\u53e3\u3001\u7def\u5ea6\u7d4c\u5ea6\u306e\u30c7\u30fc\u30bf\u8aad\u307f\u8fbc\u307f\n\/\/https:\/\/www.benricho.org\/chimei\/latlng_data.html\nd3.csv(\"japan_pref.csv\").then(function(data) {\n\n   \/\/\u4eba\u53e3\u3092\u8868\u793a\u3059\u308b\u969b\u306e\u8868\u793a\u5f62\u5f0f\n   var formatAsThousands = d3.format(\",\");  \/\/3\u6841\u3054\u3068\u306b\u30ab\u30f3\u30de\u3092\u5165\u308c\u308b\n\n      \/\/\u65e2\u5b58\u306e\u30b3\u30fc\u30c9\n      \/\/\u90fd\u9053\u5e9c\u770c\u306e\u9818\u57df\u3092\u8a18\u8ff0\u3057\u305f\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u307f\n      \/\/https:\/\/www.stat.go.jp\/data\/nihon\/02.html\n      d3.json(\"japan.geojson\").then(function(json) {\n\n\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\/\/\u65e2\u5b58\u306e\u30b3\u30fc\u30c9\n\n      });\n});<\/code><\/pre>\n\n\n\n
path\u3092\u8868\u793a\u3057\u305f\u5f8c\u306b\u3001circle\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
svg.selectAll(\"circle\")  \/\/\u770c\u5e81\u6240\u5728\u5730\u306e\u5ea7\u6a19\u3068\u4eba\u53e3\u3092\u5186\u3067\u8868\u3059\n   .data(data)\n   .enter()\n   .append(\"circle\")\n   .attr(\"cx\", function(d) {\n       \/\/\u7d4c\u5ea6\u306flongitude, \u7def\u5ea6\u306flatitude\n      return projection([d.longitude, d.latitude])[0];\n   })\n   .attr(\"cy\", function(d) {\n      return projection([d.longitude, d.latitude])[1];\n   })\n   .attr(\"r\", function(d) {\n      return Math.sqrt(parseInt(d.population) * 0.01);\n   })\n   .style(\"fill\", \"yellow\")\n   .style(\"opacity\", 0.75)\n   .append(\"title\")        \/\/\u7c21\u5358\u306a\u30c4\u30fc\u30eb\u30c1\u30c3\u30d7\n   .text(function(d) {\n      return d.pref + \": \u4eba\u53e3: \"\n      + formatAsThousands(d.population) + \"\u5343\u4eba\";\n});<\/code><\/pre>\n\n\n\n
\"\"<\/a><\/figure>\n\n\n\n

japan_map_point<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n
japan_map_point_v7<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n
\u53c2\u8003\uff1a\u90fd\u9053\u5e9c\u770c\u306e\u9818\u57df\u306e\u30d1\u30b9\u3092\u8272\u4ed8\u3051\u3059\u308b<\/h1>\n\n\n\n
\u90fd\u9053\u5e9c\u770c\u5225\u306e\u4eba\u53e3\u30c7\u30fc\u30bf\u3092\u30d1\u30b9\u306e\u8272\u306b\u5909\u63db\u3057\u305f\u30b5\u30f3\u30d7\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n
\"\"<\/a><\/figure>\n\n\n\n

japan_map_point_color<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n
japan_map_point_color_v7<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"
\u3053\u306e\u9805\u3067\u306f\u3001d3\u3067\u5730\u56f3\u3092\u8868\u793a\u3059\u308b\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3059\u3002 \u65e5\u672c\u5730\u56f3\u3092… Read more »<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35,27],"tags":[],"class_list":["post-8852","post","type-post","status-publish","format-standard","hentry","category-d3-js","category-27"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/posts\/8852","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/comments?post=8852"}],"version-history":[{"count":25,"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/posts\/8852\/revisions"}],"predecessor-version":[{"id":13016,"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/posts\/8852\/revisions\/13016"}],"wp:attachment":[{"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/media?parent=8852"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/categories?post=8852"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/r-dimension.xsrv.jp\/classes_j\/wp-json\/wp\/v2\/tags?post=8852"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}