A Gauge chart using the Google Sheets connector

[No canvas support]

This goes in the documents header: 
<script src="../libraries/RGraph.common.core.js" ></script>
<script src="../libraries/RGraph.common.sheets.js" ></script>
<script src="../libraries/RGraph.gauge.js" ></script>
Put this where you want the chart to show up: 
<canvas id="cvs" width="300" height="300">
    [No canvas support]
</canvas>
This is the code that generates the chart: