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Thanks Martin, Dave, and all who contributed! I would like to share with you the charts I have created using this code, modified slightly to accomodate large-scale maps. As expected, the linear calculations of 2D points in XYShapeRenderer.drawItem() did not work well with a map of the entire United ...

Please make available your latest code - I would like to spend a day or two giving it a try. I wonder how well it will work with a much larger map (i.e. all of North America, or all of Europe). Thanks Martin!

I recently implemented a historical flight performance reporting tool using Jasper, JFreeChart, and OpenReports. I would like to add a new Geographic chart type which will display flight delays at airports around the globe. I have latitude/longitude for all the airports that I want to map. From read...