Created
June 18, 2012 04:10
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creating a bar chart in D3
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script type="text/javascript" src="http://mbostock.github.com/d3/d3.v2.js"></script> | |
| <style type="text/css"> | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| var players = [ | |
| {"First": "Harrison", "Last": "Barnes", "Votes": 61}, | |
| {"First":"Andre", "Last":"Drummond", "Votes":27}, | |
| {"First":"Bradley", "Last":"Beal", "Votes":"58"}, | |
| {"First":"Meyers", "Last":"Leonard", "Votes":8}, | |
| {"First":"Jared", "Last":"Sullinger", "Votes":8}, | |
| {"First":"Damian", "Last":"Lillard", "Votes":5}, | |
| {"First":"Terrence", "Last":"Jones", "Votes":2}, | |
| {"First":"Austin", "Last":"Rivers", "Votes":2}, | |
| {"First":"Perry", "Last":"Jones", "Votes":2}, | |
| {"First":"Others","Last":"","Votes":6} | |
| ], | |
| maxVotes = Math.max.apply(Math,players.map(function(o){return o.Votes;})), | |
| minVotes = Math.min.apply(Math,players.map(function(o){return o.Votes;})), | |
| numVotes = players.reduce(function(a,b) {return a+parseInt(b.Votes);},0), | |
| xOffset = 50, | |
| numPlayers = players.length, | |
| svgHeight = numPlayers*55, | |
| svgWidth = maxVotes + 200, | |
| yOffset = svgHeight/(numPlayers+1); | |
| function sorter(a,b) { | |
| return b.Votes - a.Votes; | |
| } | |
| players.sort(sorter); | |
| d3.select("body").append("svg") | |
| .attr("width",svgWidth) | |
| .attr("height",svgHeight); | |
| d3.select("svg").append("rect") | |
| .attr("x",0) | |
| .attr("y",0) | |
| .attr("width",svgWidth) | |
| .attr("height",svgHeight) | |
| .attr("style","fill-opacity:0; stroke:black;stroke-width:6px"); | |
| d3.select("svg") | |
| .append("g").attr("class","bars") | |
| .selectAll("rect") | |
| .data(players) | |
| .enter() | |
| .append("rect") | |
| .attr("x",xOffset) | |
| .attr("style","fill:gold; stroke:black") | |
| .attr("y", function(d,i) { | |
| return yOffset*i+50; | |
| }) | |
| .attr("width", function(d,i) { | |
| return d.Votes*2; | |
| }) | |
| .attr("height", 20); | |
| d3.select("svg") | |
| .append("g").attr("class","names") | |
| .selectAll("text") | |
| .data(players) | |
| .enter() | |
| .append("text") | |
| .attr("x", xOffset) | |
| .attr("y", function(d,i) { | |
| return yOffset*i+45; | |
| }) | |
| .attr("style","font-family: sans-serif; font-size: 12pt") | |
| .text(function(d) {return d.First+" "+d.Last;}); | |
| d3.select("svg") | |
| .append("g").attr("class","votes") | |
| .selectAll("text") | |
| .data(players) | |
| .enter() | |
| .append("text") | |
| .attr("x", function(d,i) { | |
| return xOffset+d.Votes*2+5; | |
| }) | |
| .attr("y", function(d,i) { | |
| return yOffset*i+45+20; | |
| }) | |
| .attr("style","font-family: sans-serif; font-size: 10pt") | |
| .text(function(d) {return parseInt(d.Votes) + " votes";}); | |
| d3.select("svg") | |
| .append("g").attr("class","percent") | |
| .selectAll("text") | |
| .data(players) | |
| .enter() | |
| .append("text") | |
| .attr("x", 10) | |
| .attr("y", function(d,i) { | |
| return yOffset*i+45+20; | |
| }) | |
| .attr("style","font-family: sans-serif; font-size: 10pt") | |
| .text(function(d) { | |
| return d3.format(".2p")(d.Votes/numVotes); | |
| }); | |
| d3.select("body").append("div") | |
| .text(numVotes+" votes"); | |
| </script> | |
| </body> | |
| </html> |
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