各インスタンスのUser数を面積として表示。
国コードの実際国名を知りたい方は、下記サイトの対応表をみてください。
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April 21, 2017 14:04
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Mastodon instances TreeMap
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| license: mit | |
| height: 1060 |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <title>Mastodon instances TreeMap</title> | |
| <style> | |
| body { | |
| font: 10px sans-serif; | |
| margin: 3px; | |
| position: relative; | |
| } | |
| .node { | |
| position: absolute; | |
| overflow: hidden; | |
| padding: 3px; | |
| border: 1px solid #666; | |
| box-shadow: 0 2px 3px rgba(0,0,0,0.4); | |
| box-sizing: border-box; | |
| } | |
| .node--internal { | |
| font-weight: bold; | |
| } | |
| .node--hover { | |
| padding: 2px; | |
| border: solid 1px #000; | |
| } | |
| #info { | |
| padding: 4px; | |
| margin: auto; | |
| position: absolute; | |
| top:0px; | |
| right: 0px; | |
| width: 150px; | |
| height: 20px; | |
| background-color:white; | |
| z-index: 999999; | |
| } | |
| </style> | |
| <body> | |
| <div id="info">update</div> | |
| <script src="//cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js"></script> | |
| <script> | |
| var width = 960, | |
| height = 1060, | |
| offset = 3; | |
| var format = d3.format(",d"); | |
| var normalization = d3.scaleLinear(); | |
| var color = d3.scaleOrdinal(d3.schemeCategory20); | |
| var stratify = d3.stratify() | |
| .parentId(function(d) { /*console.log(d.id.substring(0, d.id.lastIndexOf("."))); */return d.id.substring(0, d.id.lastIndexOf(".")); }); | |
| var stratify2 = d3.stratify() | |
| .parentId(function(d) { return d.id.substring(0, d.id.lastIndexOf(",")); }); | |
| var treemap = d3.treemap() | |
| .size([width, height]) | |
| .paddingInner(1) | |
| .paddingOuter(offset) | |
| .paddingTop(function(d) { return d.depth < 3 ? 19 : offset; }) | |
| .round(true); | |
| d3.json("https://shimizu-mastodon-instances.s3-ap-northeast-1.amazonaws.com/mastodon/Latest.json", function(error, data) { | |
| if (error) throw error; | |
| var list = []; | |
| d3.select("#info").text("Update: "+data.update) | |
| var parents = d3.nest() | |
| .key(function(d){ return d.properties.location.country }) | |
| .map(data.features).keys().map(function(key){ return {id:"mastodon instances,"+key.toLowerCase(), country:key}}) | |
| data.features | |
| .filter(function(d){ return +d.properties.Users > 10 ;}) | |
| .forEach(function(d){ | |
| var obj = {}; | |
| obj.id = "mastodon instances," + d.properties.location.country + "," + d.properties.Instance; | |
| obj.id = obj.id.toLowerCase() | |
| obj.country = d.properties.location.country; | |
| obj.instance = d.properties.Instance; | |
| obj.users = +d.properties.Users | |
| list.push(obj); | |
| }); | |
| var base = ([{id:"mastodon instances"}]).concat(parents.concat(list)) | |
| base.sort(function(a,b){ | |
| if(a.id < b.id) return -1; | |
| if(a.id > b.id) return 1; | |
| return 0; | |
| }); | |
| var root = stratify2(base) | |
| .sum(function(d) { return d.users; }) | |
| .sort(function(a, b) { return b.height - a.height || b.value - a.value; }); | |
| cascade(treemap(root)); | |
| d3.select("body") | |
| .selectAll(".node") | |
| .data(root.descendants()) | |
| .enter().append("div") | |
| .attr("class", function(d) { return "node" + (d.children ? " node--internal" : " node--left"); }) | |
| .attr("title", function(d) { return d.id.substring(d.id.lastIndexOf(",") + 1).split(/(?=[A-Z][^A-Z])/g).join("\u200b") + "\n Users:" + format(d.value); }) | |
| .style("left", function(d) { return d.x0 + "px"; }) | |
| .style("top", function(d) { return d.y0 + "px"; }) | |
| .style("width", function(d) { return d.x1 - d.x0 + "px"; }) | |
| .style("height", function(d) { return d.y1 - d.y0 + "px"; }) | |
| .style("background-color", function(d){ return color(d.data.country)}) | |
| .each(function(d) { d.node = this; }) | |
| .on("mouseover", hovered(true)) | |
| .on("mouseout", hovered(false)) | |
| .html(function(d) { | |
| var text = d.id.substring(d.id.lastIndexOf(",") + 1).split(/(?=[A-Z][^A-Z])/g).join("\u200b"); | |
| var html = (d.data.instance) ? ['<a target="_blank" href="https://', d.data.instance, '">' + text + "</a>"].join("") : text ; | |
| return html; | |
| }); | |
| }); | |
| //*/ | |
| function cascade(root) { | |
| return root.eachAfter(function(d) { | |
| if (d.children) { | |
| d.heightRight = 1 + d3.max(d.children, function(c) { return c.x1 === d.x1 - offset ? c.heightRight : NaN; }); | |
| d.heightBottom = 1 + d3.max(d.children, function(c) { return c.y1 === d.y1 - offset ? c.heightBottom : NaN; }); | |
| } else { | |
| d.heightRight = | |
| d.heightBottom = 0; | |
| } | |
| }).eachBefore(function(d) { | |
| d.x1 -= 2 * offset * d.heightRight; | |
| d.y1 -= 2 * offset * d.heightBottom; | |
| }); | |
| } | |
| function hovered(hover) { | |
| return function(d) { | |
| d3.selectAll(d.ancestors().map(function(d) { return d.node; })) | |
| .classed("node--hover", hover); | |
| }; | |
| } | |
| </script> |
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