{"id":8762,"date":"2018-12-13T23:04:59","date_gmt":"2018-12-13T14:04:59","guid":{"rendered":"http:\/\/r-dimension.xsrv.jp\/classes_j\/?p=8762"},"modified":"2022-11-13T17:54:35","modified_gmt":"2022-11-13T08:54:35","slug":"pie","status":"publish","type":"post","link":"https:\/\/r-dimension.xsrv.jp\/classes_j\/pie\/","title":{"rendered":"\u5186\u30b0\u30e9\u30d5"},"content":{"rendered":"\n

D3\u306f\u3055\u307e\u3056\u307e\u306a\u30b0\u30e9\u30d5\u3092\u6bd4\u8f03\u7684\u7c21\u5358\u306b\u4f5c\u6210\u3059\u308b\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002
Chord\u3001Cluster\u3001Force\u3001Pack\u3001Partition\u3001Pie\u3001Stack\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u305d\u306e\u4e2d\u3067\u3082\u6bd4\u8f03\u7684\u30b7\u30f3\u30d7\u30eb\u306a\u69cb\u9020\u3092\u3057\u3066\u3044\u308b\u306e\u306fPie\u30c1\u30e3\u30fc\u30c8\uff08\u5186\u30b0\u30e9\u30d5\uff09\u3067\u3059\u3002
\u5186\u30b0\u30e9\u30d5\u306f\u57fa\u672c\u7684\u306a\u30b0\u30e9\u30d5\u306e\u4e00\u3064\u3067\u3059\u304c\u3001\u4ed6\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\uff08Processing\u306a\u3069\uff09\u3067\u8a18\u8ff0\u3059\u308b\u306e\u306f\u306a\u304b\u306a\u304b\u5927\u5909\u3067\u3059\u3002D3\u306f\u591a\u304f\u306e\u90e8\u5206\u3092\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u53d7\u3051\u6301\u3063\u3066\u3044\u308b\u305f\u3081\u3001\u5186\u30b0\u30e9\u30d5\u3082\u6bd4\u8f03\u7684\u7c21\u5358\u306b\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u304b\u3089\u59cb\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n


01_empty_page_template<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n

\u307e\u305a\u306f\u3001\u753b\u9762\u3084dataset, \u5186\u30b0\u30e9\u30d5\u7528\u306e\u5909\u6570\u3092\u5ba3\u8a00\u3057\u307e\u3057\u3087\u3046\u3002\u3053\u3053\u3067\u3001\u5185\u5074\u306e\u5186\u306e\u534a\u5f84\u3068\u5916\u5074\u306e\u5186\u306e\u534a\u5f84\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u5185\u5074\u306e\u5186\u306e\u534a\u5f84>0\u3067\u3042\u308c\u3070\u3001\u30c9\u30fc\u30ca\u30c4\u578b\u306e\u5186\u30b0\u30e9\u30d5\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

var w = 300;\nvar h = 300;\n\nvar dataset = [ 5, 10, 20, 45, 6, 25 ];\n\nvar outerRadius = w \/ 2;            \/\/\u5916\u5074\u306e\u5186\u306e\u534a\u5f84\nvar innerRadius = 0;                \/\/\u5185\u5074\u306e\u5186\u306e\u534a\u5f84\nvar arc = d3.arc()   \/\/\u5185\u5916\u306e\u5186\u306e\u534a\u5f84\u3092\u30bb\u30c3\u30c8\u3059\u308b\n         .innerRadius(innerRadius)\n         .outerRadius(outerRadius);\n<\/code><\/pre>\n\n\n\n

\u6b21\u306b\u3001dataset\u306e\u5024\u3092\u5165\u308c\u308b\u3068\u5186\u5f27\u306e\u5f62\u3092\u8a08\u7b97\u3057\u3066\u304f\u308c\u308b\u95a2\u6570d3.pie()\u3092\u5ba3\u8a00\u3057\u307e\u3059\u3002.sort(null)\u3092\u4f7f\u308f\u306a\u3051\u308c\u3070\u3001\u5024\u304c\u5927\u304d\u3044\u9806\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
\/\/pie\u95a2\u6570\u3092\u8a2d\u5b9a\u3002.sort(null)\u3092\u8ffd\u52a0\u3059\u308b\u3068\u3001\u914d\u5217\u306e\u9806\u756a\u901a\u308a\u306b\u5186\u30b0\u30e9\u30d5\u304c\u4f5c\u3089\u308c\u308b\u3002\n\/\/sort()\u3092\u66f8\u304b\u306a\u3051\u308c\u3070\u3001\u5024\u306e\u5927\u304d\u3044\u9806\uff08\u964d\u9806\uff09\u306b\u306a\u308a\u3001\n\/\/.sort()\u306bd3.ascending\u3001d3.descending\u3092\u5165\u308c\u308b\u3068\u6607\u9806\u3001\u964d\u9806\u306b\u306a\u308b\u3002\nvar pie = d3.pie()  \n            .sort(null);<\/code><\/pre>\n\n\n\n

\u5186\u30b0\u30e9\u30d5\u306b\u4f7f\u308f\u308c\u308b\u8272\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\/\/6\u8272\u304c\u9806\u756a\u306b\u4e26\u3093\u3067\u3044\u308b\u914d\u5217\nvar color = d3.scaleOrdinal()\n              .range([\"#00FFFF\", \"#1E90FF\", \"#FFFF00\", \"#FF8C00\", \"#990099\", \"#7FFF00\"]);<\/code><\/pre>\n\n\n\n

SVG\u8981\u7d20\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\/\/SVG\u8981\u7d20\u3092\u4f5c\u6210\nvar svg = d3.select(\"body\")\n         .append(\"svg\")\n         .attr(\"width\", w)\n         .attr(\"height\", h);<\/code><\/pre>\n\n\n\n

\u30b0\u30eb\u30fc\u30d7\u3092\u4f5c\u6210\u3057\u3001\u753b\u9762\u306e\u4e2d\u5fc3\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\/\/pie\u95a2\u6570\u306bdataset\u306e\u5024\u3092\u5165\u308c\u308b\u3068\u3001\u81ea\u52d5\u3067\u8a08\u7b97\u3057\u3066\u5186\u5f27\u306epath\u306e\u5ea7\u6a19\u3092\u4f5c\u6210\u3059\u308b\u3002\nvar arcs = svg.selectAll(\"g.arc\")\n           .data(pie(dataset))\n           .enter()\n           .append(\"g\")\n           .attr(\"class\", \"arc\")\n           .attr(\"transform\", \"translate(\" + outerRadius + \",\" + outerRadius + \")\");<\/code><\/pre>\n\n\n\n

\u3053\u3053\u3067\u3001\u5909\u6570\u306e\u4e2d\u8eab\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u300cpie(dataset)\u300d\u3068\u8a18\u5165\u3057\u3001\u30ea\u30bf\u30fc\u30f3\u30ad\u30fc\u3092\u62bc\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u308c\u305e\u308c\u306e\u5186\u30b0\u30e9\u30d5\u306e\u69cb\u6210\u8981\u7d20\u306e\u914d\u5217\u306e\u4e2d\u8eab\u304c\u5206\u304b\u308a\u307e\u3059\u3002\u305d\u3046\u3067\u3059\u3001\u307e\u3055\u306b\u9023\u60f3\u914d\u5217\u306e\u5f62\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\"\"<\/a><\/figure>\n\n\n\n
\u7279\u306b\u3001startAngle\u3068endAngle\u306f\u5186\u5f27\u306e\u4e2d\u5fc3\u89d2\u3092\u8868\u3057\u3001\u5f27\u5ea6\u6cd5\uff080 ~ 6.283…\uff09\u3067\u8868\u8a18\u3055\u308c\u307e\u3059\u3002d3.pie()\u306f\u3053\u308c\u3089\u306e\u8a08\u7b97\u3092\u5168\u3066\u3084\u3063\u3066\u304f\u308c\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n
\u305d\u308c\u3067\u306f\u3001\u5186\u5f27\u3092path\u3067\u63cf\u753b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\/\/\u5186\u5f27\u306e\u30d1\u30b9\u3092\u4f5c\u6210\narcs.append(\"path\")\n    .attr(\"fill\", function(d, i) {\n      return color(i);\n    })\n    .attr(\"d\", arc);<\/code><\/pre>\n\n\n\n

\u6700\u5f8c\u306b\u30e9\u30d9\u30eb\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\/\/\u30e9\u30d9\u30eb\narcs.append(\"text\")\n    .attr(\"transform\", function(d) {\n      return \"translate(\" + arc.centroid(d) + \")\";\n    })\n    .attr(\"text-anchor\", \"middle\")\n    .attr(\"font-family\", \"sans-serif\")\n    .attr(\"font-size\", \"12px\")\n    .attr(\"fill\", \"black\")\n    .text(function(d) {\n      return d.value ;\n    });<\/code><\/pre>\n\n\n\n
\"\"<\/a><\/figure>\n\n\n\n

pie<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n
pie_v7<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n

\u5272\u5408\u3067\u8868\u793a\u3059\u308b\u306b\u306f\u3001\u307e\u305a\u914d\u5217\u306e\u8981\u7d20\u3092\u5168\u3066\u8db3\u3057\u305f\u5909\u6570totalNum\u3092\u7528\u610f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
var dataset = [5, 10, 20, 45, 6, 25];\n\nvar totalNum = 0;\nfor(var i = 0; i < dataset.length; i ++){\n   totalNum += dataset[i];\n}\n<\/code><\/pre>\n\n\n\n
\u305d\u3057\u3066\u3001\u6700\u5f8c\u306e\u30c6\u30ad\u30b9\u30c8\u8868\u793a\u306e\u969b\u306b\u3001d.value\u3092totalNum\u3067\u5272\u308a\u3001d3.format()\u3067\u5358\u4f4d\u3092\u5909\u63db\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
.text(function(d) {\n  return d3.format(\".1%\")(d.value \/ totalNum);\n});\n<\/code><\/pre>\n\n\n\n

pie_percent<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n
pie_percent_v7<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"
D3\u306f\u3055\u307e\u3056\u307e\u306a\u30b0\u30e9\u30d5\u3092\u6bd4\u8f03\u7684\u7c21\u5358\u306b\u4f5c\u6210\u3059\u308b\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002… 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-8762","post","type-post","status-publish","format-standard","hentry","category-d3-js","category-27"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t