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Last active August 29, 2015 14:00
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Static Bar Chart
Raw
README.md

A horizontal bar chart with overlaid labels. Not as cool as the Live-Updating Bar Chart.

Raw
fakeData.json
[
{"key":"Obama Spends Another Night Searching Behind White House Paintings For Safes", "value":99},
{"key":"Report: Average American Consuming 4 Ounces Of Cheese Right Now", "value":78},
{"key":"Colorado Legalizes Medicinal Fireworks", "value":77},
{"key":"15-Second Meals", "value":64},
{"key":"Statshot: Why Aren't We Going To Prom?", "value":35},
{"key":"Report: U.S. Still Leads World With Highest Density Of Kevins", "value":33},
{"key":"Xylophonist Shredding It", "value":29},
{"key":"Man Has Story For Every Stain On Pants", "value":28},
{"key":"Music Playing In Bar Could Stand To Be Louder, Worse", "value":25},
{"key":"Grandfathers Accidentally Switched At Hospital", "value":21},
{"key":"Visit Home Referred To As Vacation By Parents", "value":19},
{"key":"Area Man Cleans Apartment Once Every Relationship", "value":18},
{"key":"Horoscopes", "value":15},
{"key":"White Male Privilege Squandered On Job At Best Buy", "value":14},
{"key":"Something Happens in Ukraine", "value":11}
]
Raw
index.html
<!DOCTYPE html>
<html>
<head>
<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
<link rel="stylesheet" href="style.css">
</head>
<body>
<div id="everything">
<h1>What People Are Reading Right Now (Static, Fake Data)</h1>
<h2>Top 10 Articles by Concurrent Page Views</h2>
<div id="chart"></div>
<h2>Headlines borrowed from <a href="http://www.theonion.com/">theonion.com</a></h2>
</div>
<script>
//staticBarChart.js
var setup = function(targetID){
//Set size of svg element and chart
var margin = {top: 0, right: 0, bottom: 0, left: 0},
width = 600 - margin.left - margin.right,
height = 400 - margin.top - margin.bottom,
categoryIndent = 4*15 + 5,
defaultBarWidth = 2000;
//Set up scales
var x = d3.scale.linear()
.domain([0,defaultBarWidth])
.range([0,width]);
var y = d3.scale.ordinal()
.rangeRoundBands([0, height], 0.1, 0);
//Create SVG element
d3.select(targetID).selectAll("svg").remove()
var svg = d3.select(targetID).append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
//Package and export settings
var settings = {
margin:margin, width:width, height:height, categoryIndent:categoryIndent,
svg:svg, x:x, y:y
}
return settings;
}
var drawChart = function(settings,dataset) {
//Import settings
var margin=settings.margin, width=settings.width, height=settings.height, categoryIndent=settings.categoryIndent,
svg=settings.svg, x=settings.x, y=settings.y;
//Set domains
y.domain(dataset.map(function(d) { return d.key; }));
var barmax = d3.max(dataset, function(e) {
return e.value;
});
x.domain([0,barmax]);
//Create chart row and move to the correct height
var chartRow = svg.selectAll("g")
.data(dataset, function(d){return d.key})
.enter()
.append("g")
.attr("class", "chartRow")
.attr("transform", function(d){ return "translate(0," + y(d.key) + ")"; });
//Add rectangles
chartRow.append("rect")
.attr("class","bar")
.attr("x", 0)
.attr("height", y.rangeBand())
.attr("width", function(d) { return x(d.value);})
//Add value labels
chartRow.append("text")
.attr("class","label")
.attr("y", y.rangeBand()/2)
.attr("x",0)
.attr("dy",".35em")
.attr("dx","0.5em")
.text(function(d){return d.value;});
//Add Headlines
chartRow.append("text")
.attr("class","category")
.attr("text-overflow","ellipsis")
.attr("y", y.rangeBand()/2)
.attr("x",categoryIndent)
.attr("dy",".35em")
.attr("dx","0.5em")
.text(function(d){return d.key;});
}
//Pulls data.
//Uses a callback because d3.json loading is asynchronous
var pullData = function(settings,callback){
d3.json("fakeData.json", function (err, data){
if (err) return console.warn(err);
formattedData = formatData(data);
callback(settings,formattedData);
})
}
//Sort data in descending order and take the top 10 values
var formatData = function(data){
return data.sort(function (a, b) {
return b.value - a.value;
})
.slice(0, 10);
}
//I like to call it what it does
var draw = function(settings){
pullData(settings,drawChart)
}
//setup
var settings = setup('#chart')
draw(settings)
</script>
</body>
Raw
style.css
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
margin: 0;
padding: 0;
border: 0;
font: inherit;
font-size: 100%;
vertical-align: baseline;
font-family: "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif;
font-weight: inherit;
}
h1 {
font-size:150%;
font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif;
font-weight: 300;
text-align: left;
margin-top: 5px;
margin-bottom: 5px;
}
h2 {
font-size: 12px;
font-style: italic;
color: gray;
margin-top:5px;
margin-bottom:5px;
}
#everything{
width:600px;
margin:20px;
}
#chart{
width:600px;
height:400px;
}
.bar{
fill:#eaeaea;
}
text.label{
fill: #777777;
color: #777777;
font-size: 20px;
font-weight: bold;
}
text.category{
fill: #666666;
font-size: 14px;
}
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