The type of Gauge graph is designed to represent a clock with a value and through ranges determine its value.
1 Example
In this example, the total sales profit per year is shown.
You see the parameterization of the box:

- Selector type of Gauge graph.
- Filter by combo of the column the_year and multiple graphics mode and so show all the graphics per year.
- SQL statement to execute, in this case:
Copy
<select> <columns> YEAR(invoicedate) the_year, SUM(invoiceline.quantity * invoiceline.unitprice) - SUM(invoiceline.quantity * track.costprice) <alias name='the_profit'/> </columns> <from table='invoice'> <join table='invoiceline'> <on>invoice.invoiceid = invoiceline.invoiceid</on> <join table='track'> <on>invoiceline.trackid = track.trackid</on> </join> </join> </from> <group>1</group> <order>1</order> </select>
4.You see the symbology

5. The column ' the_profit' is added to the series

The result is:
