Skip to content

Instantly share code, notes, and snippets.

@kristw
Last active October 15, 2016 23:43
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 kristw/12991fb0fec6e9287980902bfb746ef7 to your computer and use it in GitHub Desktop.
Save kristw/12991fb0fec6e9287980902bfb746ef7 to your computer and use it in GitHub Desktop.
Simple bar graph in v4 (with d3Kit)
license: mit
<!DOCTYPE html>
<meta charset="utf-8">
<style> /* set the CSS */
.bar { fill: steelblue; }
</style>
<body>
<div id="chart"></div>
<!-- load the d3.js library -->
<script src="//d3js.org/d3.v4.min.js"></script>
<script src="https://rawgit.com/twitter/d3kit/v3/dist/d3kit.min.js"></script>
<script>
var chart = new d3Kit.SvgChart('#chart', {
margin: {top: 20, right: 20, bottom: 30, left: 40},
initialWidth: 960,
initialHeight: 500,
});
// set the ranges
var x = d3.scaleBand()
.range([0, chart.getInnerWidth()])
.padding(0.1);
var y = d3.scaleLinear()
.range([chart.getInnerHeight(), 0]);
// get the data
d3.csv("sales.csv", function(error, data) {
if (error) throw error;
// format the data
data.forEach(function(d) {
d.sales = +d.sales;
});
// Scale the range of the data in the domains
x.domain(data.map(function(d) { return d.salesperson; }));
y.domain([0, d3.max(data, function(d) { return d.sales; })]);
// append the rectangles for the bar chart
chart.rootG.selectAll(".bar")
.data(data)
.enter().append("rect")
.attr("class", "bar")
.attr("x", function(d) { return x(d.salesperson); })
.attr("width", x.bandwidth())
.attr("y", function(d) { return y(d.sales); })
.attr("height", function(d) { return chart.getInnerHeight() - y(d.sales); });
// add the x Axis
chart.rootG.append("g")
.attr("transform", "translate(0," + chart.getInnerHeight() + ")")
.call(d3.axisBottom(x));
// add the y Axis
chart.rootG.append("g")
.call(d3.axisLeft(y));
});
</script>
</body>
salesperson sales
Bob 33
Robin 12
Anne 41
Mark 16
Joe 59
Eve 38
Karen 21
Kirsty 25
Chris 30
Lisa 47
Tom 5
Stacy 20
Charles 13
Mary 29
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment