A Gauge chart using the CSV reader

Note: For browser security reasons the AJAX demos don't work offline. You can view the demos on the RGraph website here: https://www.rgraph.net/demos/index.html

This demo fetchs the first row of the CSV file (not including the labels) but only uses the first value (as the Gauge value)

[No canvas support]

This goes in the documents header: 
<script src="RGraph.common.core.js"></script>
<script src="RGraph.common.csv.js"></script>
<script src="RGraph.gauge.js"></script>
Put this where you want the chart to show up: 
<canvas id="cvs" width="600" height="250">
    [No canvas support]
</canvas>
This is the code that generates the chart: 
<script>
    new RGraph.CSV('/sample.csv', function (csv)
    {
        // Fetch the the first row, 
        var row = csv.getRow(0, 1);

        var gauge = new RGraph.Gauge({
            id: 'cvs',
            min: -50,
            max: 50,
            value: row[0],
            options: {
                shadowBlur: 10,
                shadowColor: '#ddd',
                valueTextUnitsPost: 'mm',
                tickmarksSmall: 50,
                tickmarksMedium: 5,
                tickmarksBig: 5,
                labelsCounts: 10,
                colorsRanges: [[-50,-45,'red'], [-45,40,'yellow'], [-40,40, '#cfc'], [40,45, 'yellow'], [45,50,'red']]
            }
        }).grow()
    });
</script>