Vaadin LineChart Tooltips not for all DataPoints in a DataSeries

Is it possible to somehow only show the Tooltip for some DataPoints in a Dataseries, not for every one, e.g. every second DataPoint?

This is an advanced topic and not easy to explain quicjly. But, yes it should be possible.

I recommend to investigate this method:

chart.getConfiguration().getTooltip().setFormatter(formatter String)

You can use some Javascript in the formatter. I remind that doing so have also dangers and it is a bit cumbersome to debug.

With some search I found an example here

Perhaps by using these ideas you can find a solution.