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I think you want to look into over riding the default Mouse Behavior on the Chart Panel so you can perform your Java Script code.

You can start by writing a class that extends Chart Panel and implement your own mouse action behavior in there.

Thanks for the tips. For my application, I found that it works better to just "down sample" the data I'm displaying on screen. I don't need to show each of the 100,000 points, so by reducing it JFreeChart doesn't have to paint as many points to each pixel.

Thanks for the response!

*EDIT* I found the sticky on the "Fast plotting" classes so I'll investigate that to see if there's a solution in there. I also did notice that enabling buffering in the Chart constructor sped things up a bit as well....and I disabled the tool tips. Still, if anybody has a suggestion on how to updat...

Hello, I have a bit of a dilemma with a Chart App. I'm working on. I have a chart with two series contained in a dataset. The first being a very long series(~100,000 points) and the second being a very coarse approximation of the first (~20 points). You can think of the second series as "sampling" t...