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Gauge

Gauges are used to display a single value within a quantitative context defined by minimum and maximum values. These values can either be fixed, or dynamic and based on statistics with filters. Like the indicator, the gauge shows the state of only one metric or value, unlike for instance, a pie chart, which can show the state of two or more values.

Gauges are intended to inform viewers of current situations, rather than past or general trends. To show the latter, a gauge can be grouped with another element better suited to show values over time, such as a line chart. Gauges are also effective in interactive dashboards as the target of an action. When this happens, actions performed on other elements, such as a selection on a list, can control the data available to be displayed on the gauge.

While configuring a gauge, you can choose from two styles: progress or meter.

Progress gauge

Progress gauges convey whether a value is moving forward within a quantitative context defined by minimum and maximum values. This value is represented by a colored band, and also shown in the center of the gauge as either a raw number or percentage. Progress gauges can be displayed in one of three shapes: circle, horseshoe, or half donut.

Gauge shapes

Also, you can define thresholds in terms of percentages in progress gauges. Thresholds are used to change the color of the band as the value progresses. In the below example, thresholds have been defined so that the band will appear as red, yellow, or green, depending on the current value.

Progress gauge with different thresholds

Meter gauge

Like progress gauges, meter gauges have a quantitative context defined by minimum and maximum values. However, they are better suited to show the amount, level, or contents of something, rather than illustrate if a value is progressing. Also, the position of the meter gauge's needle indicates the current value rather than a band, and the value can only be presented as a raw number in the center of the meter gauge. Another difference is that meter gauges can only be displayed as a horseshoe or half donut.

Meter gauge

You can define interval ranges, in terms of raw numbers or percentages, to create qualitative ranges in meter gauges. These ranges can indicate states such as good, average, or poor. You can also configure the gauge with a comparative measure, which facilitates comparisons to a pre-defined Key Performance Indicator (KPI) or goal.