How to Utilize plotLines Feature in Ad Hoc Chart

Use case

Customer created an Ad Hoc Chart and wants to utilize plotLines feature available in Highcharts library.

Resolution

Highcharts' plotLines is an array of objects represinting plot lines on a axis:

https://api.highcharts.com/highcharts/yAxis.plotLines

In order to utilize plotLines in Ad Hoc Chart designer, you need to go to 'Chart Format' menu, 'Advanced' tab and manually type yAxis.plotLines property name and array of objects escaped in double-quotes as a value, e.g.:

[
    {
        "color":"red",
        "value":"2000",
        "width":"2",
        "dashStyle":"longdashdot"
    },
    {
        "color":"yellow",
        "value":"5000",
        "width":"2",
        "dashStyle":"longdashdot"
    },
    {
        "color":"green",
        "value":"7000",
        "width":"4",
        "dashStyle":"solid"
    }
]

Please refer to printscreen

Please note that "width" property must be specified explicitly otherwise default value (undefined) is applied and the line is not visible

Solution tested with TIBCO JasperReports^® Server v.7.1.0

Ref. Case 01637993