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I mean when you add a new data to dataset. It will automatically invoke redrawing the chart. You don't need to implicitly call function to invoke it unless you turn it off.

According to Dave:
"The cross-hair values are updated during the chart redraw, so
you'll see in the cross-hair demos that the code must wait until the
chart has been redrawn before querying these valies."
I will look into it this weekend. Thanks

I think everytimes you add new data to dataset it will invoke the chart refresh. My program has a thread which processes incoming data , filters it and feed them to the dataset. You need to turn off the invoke and then turn on for some period if you continuously feed the data too fast though for bet...

I just try to get the value to print out to the console. It always lags behind. For ex I click on the point(2,3). It prints out the previous point clicked. If I click another point, it will print out 2 3. Idea ? Thanks chartPanel.addChartMouseListener(this); public void chartMouseClicked(ChartMouseE...

Ok through JFreeChart API, I can set the crosshair using these methods xyplot.setDomainCrosshairVisible(true); xyplot.setDomainCrosshairLockedOnData(true); xyplot.setRangeCrosshairVisible(true); xyplot.setRangeCrosshairLockedOnData(true); I can get the value by these two methods xyplot.getRangeCross...

Is there anyway I can get the source code for these demo files ? I'm doing school proj. Thanks
My email is phu.t.tran@ou.edu

idea plzzzz

How can I get the value of a single point (both x and y axis) when using mouse point to that point on xy chart or a vertical line scroll through the chart ?
Please help !!! Thanks

nvm. I got it @@

I'm working on the graph which refreshes everytime the dataset changed. How can I do that? I'm appreciate all of your help. Thanks