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November 4, 2015 21:43
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Intermediate - Module 1 - Michelin Stars
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>Bar Chart</title> | |
| <script type="text/javascript" src="http://d3js.org/d3.v3.js"></script> | |
| <style type="text/css"> | |
| body { | |
| margin: 0; | |
| background-color: lightGray; | |
| font-family: Helvetica, Arial, sans-serif; | |
| } | |
| #container { | |
| width: 700px; | |
| margin-left: auto; | |
| margin-right: auto; | |
| margin-top: 50px; | |
| padding: 50px; | |
| background-color: white; | |
| box-shadow: 3px 3px 5px 6px #ccc; | |
| } | |
| h1 { | |
| font-size: 24px; | |
| margin: 0; | |
| } | |
| p { | |
| font-size: 14px; | |
| margin: 15px 0 10px 0; | |
| } | |
| a:link { | |
| text-decoration: none; | |
| color: gray; | |
| } | |
| a:hover { | |
| text-decoration: underline; | |
| } | |
| a:visited { | |
| color: gray; | |
| } | |
| a:active { | |
| color: steelBlue; | |
| } | |
| svg { | |
| background-color: white; | |
| } | |
| g.bar text { | |
| font-size: 11px; | |
| font-weight: bold; | |
| text-anchor: end; | |
| opacity: 0; | |
| } | |
| g.bar:hover rect { | |
| fill: orange; | |
| } | |
| g.bar:hover text { | |
| opacity: 1; | |
| } | |
| .axis path, | |
| .axis line { | |
| fill: none; | |
| stroke: black; | |
| shape-rendering: crispEdges; | |
| } | |
| .axis text { | |
| font-family: sans-serif; | |
| font-size: 11px; | |
| } | |
| .y.axis path, | |
| .y.axis line { | |
| opacity: 0; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="container"> | |
| <h1>Countries with the Most Michelin Stars, 2011-2014</h1> | |
| <p><strong>Source:</strong> <a href="https://en.wikipedia.org/wiki/List_of_Michelin_starred_restaurants">Wikipedia, 2014</a></p> | |
| </div> | |
| <script type="text/javascript"> | |
| var w = 700; | |
| var h = 600; | |
| var padding = [ 20, 10, 30, 120]; | |
| var widthScale = d3.scale.linear() | |
| .range([0, w - padding[1] - padding[3] ]); | |
| var heightScale = d3.scale.ordinal() | |
| .rangeRoundBands([ padding[0], h - padding[2] ], 0.1); | |
| var xAxis = d3.svg.axis() | |
| .scale(widthScale) | |
| .orient("bottom"); | |
| var yAxis = d3.svg.axis() | |
| .scale(heightScale) | |
| .orient("left"); | |
| //SVG goes into #container instead of body | |
| var svg = d3.select("#container") | |
| .append("svg") | |
| .attr("width", w) | |
| .attr("height", h); | |
| d3.csv("michelinstars.csv", function(data) { | |
| data.sort(function(a, b) { | |
| return d3.descending(+a.stars, +b.stars); | |
| }); | |
| widthScale.domain([ 0, d3.max(data, function(d) { | |
| return +d.stars; | |
| }) ]); | |
| heightScale.domain(data.map(function(d) { | |
| return d.country; | |
| }) ); | |
| //Bind data to groups (not bars directly) | |
| var groups = svg.selectAll("g") | |
| .data(data) | |
| .enter() | |
| .append("g") | |
| .attr("class", "bar"); | |
| //Add a rect to each group | |
| var rects = groups.append("rect") | |
| .attr("x", padding[3]) | |
| .attr("y", function(d) { | |
| return heightScale(d.country); | |
| }) | |
| .attr("width", 0) | |
| .attr("height", heightScale.rangeBand()) | |
| .attr("fill", "steelblue"); | |
| //Add a text element to each group | |
| groups.append("text") | |
| .attr("x", function(d) { | |
| return padding[3] + widthScale(d.stars) - 3; | |
| }) | |
| .attr("y", function(d) { | |
| return heightScale(d.country) + 11; | |
| }) | |
| .text(function(d) { | |
| return d.stars; | |
| }); | |
| rects.transition() | |
| .delay(function(d, i) { | |
| return i * 100; | |
| }) | |
| .duration(1000) | |
| .attr("width", function(d) { | |
| return widthScale(d.stars); | |
| }) | |
| svg.append("g") | |
| .attr("class", "x axis") | |
| .attr("transform", "translate(" + padding[3] + "," + (h - padding[2]) + ")") | |
| .call(xAxis); | |
| svg.append("g") | |
| .attr("class", "y axis") | |
| .attr("transform", "translate(" + padding[3] + ",0)") | |
| .call(yAxis); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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| country | stars | |
|---|---|---|
| France | 44 | |
| Germany | 29 | |
| Italy | 21 | |
| Spain | 18 | |
| Japan | 18 | |
| United States | 9 | |
| Netherlands | 9 | |
| Belgium | 8 | |
| Switzerland | 6 | |
| UK | 5 | |
| Sweden | 3 | |
| Macau | 3 | |
| Hong Kong | 3 | |
| Poland | 3 | |
| Monaco | 3 | |
| Ireland | 2 | |
| Luxembourg | 2 | |
| Greece | 2 | |
| Norway | 2 | |
| Finland | 2 | |
| Denmark | 2 | |
| Hungary | 1 | |
| Scotland | 1 | |
| Czech Republic | 1 |
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