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Learning Highcharts by Joe Kuan

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Plotting a speedometer gauge chart

Gauge charts have a very different structure compared to other Highcharts graphs. For instance, the backbone of gauge charts is made up of a "pane". A pane is a circular plot area for laying out chart content. We can adjust the size, position, and the backgrounds of the pane. Once a pane is laid out, we can then put the axis on top of it. Highcharts supports multiple panes within a chart, hence we can display multiple gauges (that is multiple gauge series) within a chart. A gauge series is composed of two specific components—a pivot and a dial.

Another distinct difference in gauge charts is that the series is actually one dimensional data, that is a single value. Hence there is one axis, the y axis, used in this ...

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