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Hi, I'm using a DefaultXYDataset and XYPlot. I'm also using a crosshair and I am able to query the X and Y values where the crosshair points at. But I'd also like to have the values in the near area around the crosshair, e.g. the XY directly before and after to calculate a gradiant. How can I do thi...

I had the same problem and found a workaround with a combination of ChartMouseListener and ChartProgressListener. I can't see a significant performance impact, it was slow before and still is. Here is my code, maybe it helps: public class CrosshairListener implements ChartMouseListener, ChartProgres...