Skip to content

Instantly share code, notes, and snippets.

@hdemers
Created May 6, 2012 14:23
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save hdemers/2622510 to your computer and use it in GitHub Desktop.
Save hdemers/2622510 to your computer and use it in GitHub Desktop.
D3.js bar chart tutorial, part 1
<!doctype html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>D3.js sandbox</title>
<script src="http://d3js.org/d3.v2.js"></script>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
<script src="http://documentcloud.github.com/underscore/underscore-min.js"></script>
<style type="text/css">
.chart rect {
stroke: white;
fill: steelblue;
}
.chart text {
fill: white;
font-size: 11pt;
}
.chart text.rule {
fill: gray;
}
</style>
</head>
<body id="body">
<p>
Example from the tutorial
<a href="http://mbostock.github.com/d3/tutorial/bar-1.html">
A Bar Chart, Part 1.
</a>
</p>
<svg></svg>
<script type="text/javascript">
var data = [4, 8, 15, 16, 23, 42],
chart = d3.select("svg")
.attr("class", "chart")
.attr("width", 440)
.attr("height", 25 * data.length)
.append("g").attr("transform", "translate(10, 15)"),
x = d3.scale.linear()
.domain([0, d3.max(data)])
.range([0, 420]),
y = d3.scale.ordinal()
.domain(data)
.rangeBands([0, 120]);
chart.selectAll("line")
.data(x.ticks(10))
.enter().append("line")
.attr("x1", x)
.attr("x2", x)
.attr("y1", 0)
.attr("y2", 120)
.style("stroke", "#ccc");
chart.selectAll("rect")
.data(data)
.enter().append("rect")
.attr("y", y)
.attr("width", x)
.attr("height", 20);
chart.selectAll("text")
.data(data)
.enter().append("text")
.attr("x", x)
.attr("y", function(d) { return y(d) + y.rangeBand() / 2; })
.attr("dx", -3) // padding-right
.attr("dy", ".35em") // vertical-align: middle
.attr("text-anchor", "end") // text-align: right
.text(String);
chart.selectAll(".rule")
.data(x.ticks(10))
.enter().append("text")
.attr("class", "rule")
.attr("x", x)
.attr("y", 0)
.attr("dy", -3)
.attr("text-anchor", "middle")
.text(String);
chart.append("line")
.attr("y1", 0)
.attr("y2", 120)
.style("stroke", "#000");
</script>
</body>
</html>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment