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I have a line chart that has two series, two vertical axis and one horizontal axis. It works well however I cannot add trackball behaviour on it because the vertical axis is set on the series rather on the chart. How can I get the trackball work given multiple vertical axis?
// This will make the trackball work
lineChart.setVerticalAxis(saleVAxis);
// This won't get the trackball work
salesSeries.setVerticalAxis(saleVAxis);