A simple Rose chart that has been configured with a pattern - the segments are growing in both angle and radius. The colors are set to be sequential.
This goes in the documents header:<script src="RGraph.svg.common.core.js"></script> <script src="RGraph.svg.rose.js"></script>Put this where you want the chart to show up:
<div style="width: 500px; height: 500px" id="chart-container"></div>This is the code that generates the chart: