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i have download the "jfreechart-1.0.12rt.zip" and compile it, then i run the demo example,but i found a little question,when i clicked the mouse,the chartpanel refresh and only redraw the new point. the older point not redraw. what happened? But I run the "rt_scroll_demo.jnlp" example, i haven't fo...

jxlayer is a good ,I've used it to do some landscaping in the chart. but how to do a realtime line with jxlayer. because draw a point everytime is important

Can i use bufferimage to improve efficiency ?

entirely reload so sad!

Why does the chart refresh all items every time? I try to use add() or addOrUpdate() methods add a new point or item to series,But when the dataset change ,all points will be refreshing. :( best cpu, poor efficiency how refresh the last item by 3 second? I notice that XYPlot have a segment code belo...