Highcharts: Is It Possible To Show Sunburst Chart Series Data Labels Outside The Leaf Level Nodes With Connectors?

Currently, it is observed that all series data labels when shown, overlap or only the show/hide behaviour of data labels can be achieved through the formatter function. Its observe

Solution 1:

Currently sunburst doesn't support data labels with connectors.

Share the idea of adding them to Highcharts here if you like: https://highcharts.uservoice.com/forums/55896-highcharts-javascript-api

You can create your own connectors functionality using SVGRenderer (first check whether the label appeared or not and draw a connector if needed) or you can try to adjust the functionality implemented for pie series to your case (overwriting sunburst core functions).

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API reference:https://api.highcharts.com/class-reference/Highcharts.SVGRenderer

Code reference:https://github.com/highcharts/highcharts/blob/master/js/parts/PieSeries.js

Docs reference:https://www.highcharts.com/docs/extending-highcharts/extending-highcharts