Graph « Dataset « JFreeChart Q&A

1. So many kinds of graphs and datasets, maybe I'm missing one

Hello everybody, I'm developing a really-simple application where I show in a chart the temperature in 7 locations for several different periods of time. One of my charts should display a tick for each day , the Y value being the average temperature for that day - I just calculate the average for the day an add it to a CategoryDataSet(so ...

2. Help for refresh graph after dataset changed

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 better performance