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When a mouse event is generated, get the point at which the event is generated using the mouse event reference. event.getPoint(); This call returns you a point in Java 2D co-ordinates.... So you need to convert this point to chart co-ordinates using the following method call: valueToJava2D() or tran...

I now realized that this is leading to an "Out of Memory Exception".... This may be too critical for the product.... Can any of you guide me as to how to goa bout it?

Thanks.

Hi,

I came across a weird behavior exhibited by JFreeChart today. I was continuously zooming out for a while and observed that the chart hangs. It did not even respond once I started Zooming in. Can you please help me understand the rootcause of this problem.

Thanks.

Hi, I am using an XYPlot to plot a Time vs Price chart. I am dynamically calculating the candlestick width for this candlestick chart as shown below. public XYItemRendererState initialise(Graphics2D g2, Rectangle2D dataArea, XYPlot plot, XYDataset dataset, PlotRenderingInfo info) { 1. IntervalXYData...

Hi, I am currently using a CombinedDomainXYPlot on which there are several sub plots such as Price Plot and Volume Plot by default. This chart supports the addition of another 10 subplots like Exponential Moving Average, Moving Average1, Moving Average2, Moving Average Convergence Dovergence etc. Pl...

Hi, I was playing on implementing the "Property Editors" for one of my charts and noticed that it does not take CombinedDomainXYPlot into account. In its constructor, where it tries to read the plot info such as domain axis, range axis, it only checks for an instance of XYPlot and retrieves domain a...

One thing you can do is to 1) create an annotation that draws the values need to be displayed 2) Hold a reference to this annotation 3) Make sure you remove this annotaion when a price change is notified 4) Add a new annotation with the latest values. This works for me as I need to do exactly the sa...