templates/test_bar_chart.html.erb
<!DOCTYPE html>
<html>
<head>
<title>Innovative Graph Suite: Bar Chart</title>
<script type="text/javascript" src="https://raw.github.com/mbostock/d3/master/d3.js"></script>
<style type="text/css">
body {
font: 10px sans-serif;
}
</style>
</head>
<body>
<%= @render %>
</body>
</html>