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I guess you are drawing the graph in a loop, perhaps only to test it. This may prevent the event dispatching thread from updating the rest of your UI. In real life you will have an external event that causes the graph to update. The time period between the events should give enough time for an UI up...

Thanks for the link. I'll try it out and report the outcome.

I remember having read a thread on the subject but I cannot find it anymore... When the user drags a zooming rectangle on an XYPlot and the plot gets an update while the user is still dragging, the rectangle gets distorted in a strange way. It is partly redrawn and changes its shape to a sort of pol...

Thanks again for your suggestions.

However, I do not like the idea of copying the entire ChartPanel and adapting it to my needs. I have decided to accept the drawback of disappearing trace lines for the time being.

Thanks a lot for your response, Gustavo, I appreciate it very much. While I was waiting for a reply I moved into the same direction as you described. Unfortunately, all trace line code is private, so I have to copy much of it into my derived classes. :cry: There is another drawback of using trace li...

Add a line: (sorry I could not resist)

Hi @ all, I seem to be in some confusion about crosshairs, trace lines, and markers. :roll: I'll try to describe what I want to achieve: I have a simple 2D x/y line plot. I want a crosshair cursor to be continuously updated during mouse movements, with the x crosshair following the mouse and the y c...