1. Error Drawing Realtime CompassPlot with multiple Datasets jfree.orgI'm trying to develop an app that uses compassPlot to display 2 real-time datastreams. I want each of the needles for each dataset to be a different color but what I'm finding is that both needles are following the style of the first dataset in the series. Here's my code (largely adapted from CompassPlotDemo): Code: Select all windHeading ... |
2. Chart drawing is slow for large dataset jfree.orgHi, i have a dataset for time series, that has data for the range of one or 2 months, and there are data points at every second. I am trying to display this chart but the chart comes up so slowly. There is a considerable amount of time, between when the user hits the button to see the chart and when ... |
3. Real time chart drawing with custom dataset? jfree.orgReal time chart drawing with custom dataset? A free public discussion forum for the JFreeChart class library. Post a reply 2 posts Page 1 of 1 Real time chart drawing with custom dataset? by 84923331 Mon Aug 10, 2009 8:52 pm I am trying to do some real time chart drawing with a custom dataset and am having troubles. ... |
4. Redrawing chart after dataset changed. How ? jfree.orgIt has been a long day and if anyone can help I would be most grateful. I have extended ChartPanel to enable me to implement KeyPressed events on the chart. I have got that working and I am incrementing / decrementing the value that was mouse clicked by using the up / down arrow. Having changed the dataset I was wondering ... |